Engineering matlab project jobs

I am seeking a tutor with a strong grasp on the energy transition topic for my upcoming exam. Key Requirements: - Proficiency in Renewabl...topics is essential. I need someone who can break down these complex ideas into simpler terms. Desired Outcome: - I'm looking to develop a comprehensive understanding of the energy transition topic. The candidate should be able to explain concepts and solve practice questions to ensure I'm well-prepared for the exam. Time Sensitivity: - I need this project to be completed ASAP. Ideal candidate should have: - A background in Energy Engineering, Renewable Energy, or a related field - Prior experience in tutoring or teaching at a graduate level - Strong communication skills to explain complex topics clearly - Proficiency in e...

...immediate production needs, while simultaneously focusing on the development and growth of the business. (2) instead of investing a substantial amount of capital in the beginning on equipment cost, it may be more feasible to contract and outsource whatever work we can to local shops and other businesses at pre-negotiated rates, and then invest into the needed equipment and facilities as we grow. Project scope of work: ***Key responsibilities will encompass, but is not limited to*** *Developing a strategic and comprehensive “detailed” business and operating plan *Offer insights, strategic and cost saving ideas on outsourcing needs, sourcing wholesale high quality raw materials and suppliers (locally and abroad) *Developing production processes, plans, and procedure...

I am seeking a proficient designer skilled in HTRI, Aspen, PV Elite, STAD Pro, and Creo or 3D. The primary focus of this project is designing & Estimation of heat exchangers, Pressure Vessel, API 650, AWWA D 100, Tanks, Boiler,. However, there are other aspects as well including: - Developing process simulations using ASPEN & HTRI. - Creating pressure vessel designs using PV Elite. - Generating structural analysis using STAD PRO. - Designing 3D models using CREO / Solid Work. An ideal candidate for this project would have prior experience in all these areas, but most importantly, in designing heat exchangers using HTRI. I expect high-quality work and timely delivery.

As an aspiring homeowner, I'm looking to have a residential pole barn designed. This is a unique project that requires a professional with a solid grasp of both structural engineering and residential architecture. Key Requirements: - I need an architect experienced in pole barn design - A structural engineer who can ensure the building's safety and stability - The design must be tailored to residential needs Ideal Skills: - Experience in residential architecture - Proficiency in pole barn design - Strong structural engineering background - Ability to create MPE plans - Knowledge of smart home technology is a plus I do not have architectural plans for this project, so the professional will need to start from a rudimentary drawing I made in renoplan a...

...for this project. The main purpose of this page will be to raise funds for the development of my engine. Key Details: - Purpose: A GoFundMe page to support the development of a high-efficiency MultiFuel engine. - Objective: Specifically, the focus will be on promoting the cause of improving fuel efficiency. - Current Stage: The project is currently in the prototype development phase. Experience and Skills: - Strong understanding of GoFundMe platform and page design. - Proven experience in creating engaging and successful crowdfunding campaigns. - Solid understanding of technical/engineering projects, particularly in the energy sector, would be a huge plus. Your main task will be to create a compelling and informative GoFundMe page that can attract potential back...

...involving multidirectional sound waves and sound streams, some of them barely audible to the human ear. The project primarily involves determining the source of the sound waves and capturing them, then amplifying them and saving them as playable content. Key Responsibilities: - Determine sound source, which may be multiple - Record and amplify the sound - Save the sound into playable content Ideal Candidate: - Strong background in sound engineering, with experience in recording and editing. - Familiarity working with diverse sound types - Excellent with sound wave manipulation - Comfortable amplifying faint sound Please note, the project has no strict deadline. You're welcome to give this project the time and attention it requires, as determining the ...

I'm looking for an experienced professional ...an experienced professional to assist me in reverse engineering with IDA Pro. This is a personal project, and my main goal is to create an offset values emulator. Key Responsibilities: - Utilize IDA Pro to reverse engineer specific C# applications - Develop an offset values emulator - Assist in understanding the functionality of the application Ideal Skills: - Proficient in C# and reverse engineering techniques - Experience with IDA Pro - Strong understanding of software vulnerabilities - Ability to create an offset values emulator - Excellent communication and team collaboration skills The project deadline is within 10 days. I look forward to working with a skilled and experienced professional who can assi...

I'm seeking a skilled professional who can assist me in creating a precise plot plan and fence engineering plans for my upcoming steel iron fence. Key Responsibilities: - Develop a detailed plot plan for a wrought iron fence - Develop a detailed fence engineering plan Ideal Skills and Experience: - Proficiency in fence design and plot planning - Experience with wrought iron fence installation - Prior work with automatic gate systems - Creative flair for incorporating decorative elements without compromising privacy and security. Additional Information -Plans are needed to apply for a city fencing permit -Rough sketches of plot plan and fence design are attached below. Looking forward to collaborating with a freelancer who can bring my vision to life.

...purpose of this prototype is to test its functionality. I have the basic design and concept ready, so your job would be to bring it to life and make sure it works as intended. The market evaluation is a crucial part of this project, and the feedback I'm looking to gather includes product desirability, price point acceptance, and feature preferences. This will help me understand if my product is viable and appealing to potential customers, as well as what improvements might be necessary. Ideal candidates for this position will have experience with: - Product engineering and design - Prototype development - Market evaluation - Consumer feedback collection Please only apply if you have the relevant experience and skills, and are willing to commit to the entire proc...

...seasoned screenwriter skilled in creating content for my engineering-themed, Spanish YouTube channel. Each script is budgeted at 8 - 10 euros. - The Screenplay Language: I prefer my scripts to be written exclusively in Spanish, so fluency and understanding of technical engineering terms in Spanish would be ideal. - Ideal Candidate: I am seeking someone who can detail their proposal for my project. Show me how you can enhance my content with your expertise. Please include how you plan to approach the niche subject matter, the tone you would use, and how you would make the content informative and engaging for my viewers. - Script Style: The scripts should be written in a concise, informative style. The ability to deliver complex engineering concepts in an e...

Hi, I'm looking for a private tutor for the subject of machine dynamics, undergraduate level of mechanical engineering, need a experienced tutor to solve questions step by step. Message me for details, belt drives, epicyclic gears, simple gear train, mass moment of inertia and so on.

I'm looking for an audio professional who can help me enhance a recorded speech. The audio has background noise, echo, and distortion, it's quite distracting. My goal is to make it clearer and more professional, also I need the audio levels to be balanced. Key requirements: - Experience in audio enhancement and sound engineering - Ability to effectively reduce background noise, echo, and distortion - Skilled in achieving a clear and balanced sound - Proficiency in working with recorded speech Please include any relevant experience or samples of your previous work in your bid. The successful candidate will be someone who can deliver high quality results in a timely manner.

...construction project. Key Requirements: - Soil Testing: The engineer should have the expertise and resources to conduct thorough and accurate soil testing. The data derived from these tests will be crucial for the subsequent foundation design. - Foundation Design: The selected professional should be adept at designing stable, safe and suitable foundations based on the soil test results. Additional Information: - Data Availability: Currently, I'm uncertain about whether geotechnical data or reports have already been obtained for this project. The freelancer should be able to determine if such data exists and if it can be used for the current assignment. Ideal Skills and Experience: - Proficiency in Geotechnical Engineering: A strong background in geotechni...

- all history and Engineering , Economics , Physics , Earth Sciences, Mathematics , Computer Science All PDFs in these categories will be downloaded!

I need an electric bike model that I designed as a mechanical engineering student to be analyzed in an environment with potholes and bumps. Unfortunately, I could not specialize in vehicle dynamics during my undergraduate education and I am currently trying to develop a project on this. - Expertise in mechanical engineering, especially vehicle dynamics. - Solid understanding of mechanical simulation software, dynamics, kinematics and physics. Your role is vital as simulation results will significantly impact design choices and improvements. You may be asked to describe these simulation results to me with an appropriate explanation. CAD models will be provided by me.

...in need of a skilled developer with experience in Generative AI, RAG, Prompt Engineering, and Workflow AI chatbot development. Your main responsibilities will consist of: - Building and enhancing chatbot features using Generative AI, RAG and Prompt Engineering methodologies - Leveraging workflow AI concepts to make the chatbot more efficient and user-friendly - Must have excellent skills in React, Node.js, Langchain and Pinecone What I expect: - An expert in these four areas: Generative AI, RAG, Prompt Engineering and Workflow AI chatbot - Proficiency in at least React, Node.js, Langchain, and Pinecone. - Good problem-solving skills and creativity - Excellent time-management capabilities since I need this project completed asap. If you think you match th...

I'm in need of an intermediate skilled SolidWorks user to create a dimensional engineering drawing for manufacturing purposes. The project involves drawing a non mechanical static home building component. Your role will be to create a technical drawing that can be provided to manufacturers to produce the part. Your ability to produce drawings accurate in dimensions and interpretation of design to simplify the production process will be critical. Please provide evidence of prior work in SolidWorks, ideally with similar home building components like handrail or stair parts. Specifically I will need a drawing completed for a handrail profile for manufacturers to build the component.

...highly skilled data analyst or biomedical engineer. The candidate needs to be adept in MATLAB and knowledgeable in the processing and analysis of raw EMG data. Your duties include: - Conducting signal processing to unravel the complexity of the raw data. - Extracting features from the processed data to identify essential characteristics. - Executing statistical analysis to interpret and justify the data significance. The purpose of this project is two-fold: 1. Identifying patterns within the EMG data which will contribute to a deeper understanding of the collected data. 2. Evaluating muscle activity which is vital in determining the muscle group's functionality and efficiency. At the end of this project, I expect: - A comprehensive visualization of the dat...

I require precise and accurate structural engineering calculations for my multi-story residential building. More specifically, I need these calculations for: - Foundations: Demonstrate a sound understanding of soil mechanics, bearing capacity, and foundational materials. Previous experience with foundation calculations for multi-story residential buildings is a plus. - Roof: Address loads such as wind, snow, and self-weight. A proficient understanding of the different types of roofing systems and their materials is expected. The freelancer should hold demonstrable experience working with multi-story residential buildings and have a firm understanding of structural engineering principles. A qualification in Civil or Structural Engineering would be highly desirable. E...

I'm i...professional who specializes in Azure Security Engineering and ForgeRock Training. Key tasks include: - Azure security configuration - Conducting vulnerability assessments - Undertaking threat hunting exercises Additionally, expertise in ForgeRock training covering the following topics will greatly benefit my team: - Identity and Access Management (IAM) - Single Sign-On (SSO) - User Provisioning The ideal candidate is required to hold an 'Azure Security Engineer Certification'. This certification will give me confidence in your capabilities to successfully execute the necessary tasks. Your adeptness in handling Azure security coupled with your ability to impart crucial knowledge in ForgeRock makes you an integral team player for my project. I loo...

I require proficient help for an image processing project. The main objective is to detect conditions like diabetic retinopathy and cataracts in images. Development needs: * Recognise the mentioned conditions using Python, MATLAB, or LabView. * Implement and optimize neural networks, machine learning principles and image segmentation techniques. * Enhance images to increase detection accuracy. Skills & Experience Required: * Proficiency in Python, MATLAB, and LabView. * Sound understanding of neural networks and machine learning principles. * Solid skills in image segmentation. * Previous work in medical image processing, especially in ophthalmology, is a plus.

I'm in need of a highly skilled MATLAB professional to extract edge data from color profiled JPEG images. Specific edge information is essential for my project so your strong background in image processing is vital. You should be proficient in working with JPEG formats, and extracting edge data specifically. Key responsibilities: - Edge data extraction from color profiled JPEG images - Proficient use of MATLAB for data extraction and re-plotting purposes. Ideal experience: - High proficiency in MATLAB - Detailed understanding of JPEG image formatting - Image processing with a focus on edge data extraction.

In this exciting project, I am looking to collaborate with a seasoned professional who specializes in Electromagnetic theory, particularly Electromagnetic Waves and Radiating Systems. The primary objective of this project is to construct a functional simulation model. Your responsibility will be to implement this model in MATLAB, allowing us to further our understanding and application of complex electromagnetic concepts. Successful completion of this project requires a deep knowledge and significant experience in: - Electromagnetic theory, with a particular focus on Electromagnetic Waves and Radiating Systems. - MATLAB software for implementation and simulation. This is a demanding project that necessitates a high level of technical proficie...

Hi Narola Infotech, I noticed your profile and would like to offer you my project. We can discuss any details over chat.

...outdoors. The key requirements for this role include: - Live mixing for bands: You'll be responsible for ensuring the audio quality and sound balance for multiple bands during the event. This includes setting up sound equipment, adjusting levels and effects, and ensuring a seamless audio experience for the audience. The ideal candidate for this position has: - Extensive experience in live audio engineering, particularly in outdoor settings. - Proficiency in setting up and operating sound equipment. - Strong communication skills to coordinate with bands and other event staff. - A proactive and problem-solving mindset to address any unexpected audio issues that may arise during the event. Your expertise will play a crucial role in the success of this live music event, so I...

I have a current fixture design in cad that holds a medical product. I need this fixture modified to hold a very similar product with just slight differences being made to the original design.

I require an expert in property assessment with a thorough understanding of topography and lot front visual view obscuration. The task will include: - Topographic analysis aimed at assessing a lot's front visual view obstruction. - Implementing an on-site visual inspec...at assessing a lot's front visual view obstruction. - Implementing an on-site visual inspection to measure the degree of the view obstruction, taking regard of the lot's specific constraints and opportunities. The ideal freelancer for this task has a background in civil engineering or similar, and should have insightful experience in conducting on-site visual inspections. Knowledge of topographical analysis and an understanding of how to effectively measure levels of view obstruction are c...

I am seeking a highly skilled and experienced electronics engineer who can develop a wireless...is necessary. - Resistance Measurement: The device must measure resistance without error. A strong background in this area is required. The output from these measurements should be conveniently displayed on a mobile app. For this, I need a developer with experience in wireless communication and mobile application development. Overall, the ideal freelancer for this project will have a strong background in electronic engineering, experience with ESP32, precision instrumentation and developing mobile applications for connectivity. Your portfolio should showcase similar projects. I'm looking forward to working with someone who can deliver a high-quality, efficient and reliabl...

I'm a senior-level professional in the field of cloud security engineering. I'm looking for a talented resume writer to help me build a resume that showcases my extensive experience in the field of cloud security engineering. Key Requirements: - Craft a professional and engaging resume that highlights my experience, skills, and achievements in the cloud security field. - The resume should be tailored for the cloud security engineering field and should follow the preferred formatting style of a Cloud Security Engineer. - Experience in writing resumes for senior-level professionals in the tech industry, especially in cloud security engineering, would be an asset. - Familiarity with the specific skills and technologies relevant to cloud platforms like M...

...a microgrid project and I need a skilled professional to assist me in implementing distributed secondary control using Simulink. I want you to simulate this project in Matlab Simulink. I will need the simulation files as well. - The main purpose of the project is to ensure the stability and reliability of the microgrid through an effective distributed secondary control mechanism. - The microgrid comprises of Solar PV, Generator, and a Battery storage system. - The primary power quality issues that require addressing are related to voltage and frequency. - I'll need you to explain the project design once you are done on zoom call or something as I need to write my thesis on this so I'll need know all the details about the project. ...

I am seeking a structural engineer to assist with the design and planning of a residential ...Responsibilities: - Collaborate with architects to determine structural requirements for the building. - Develop the design and planning of the foundation. - Perform detailed structural load analysis to ensure the building can withstand various loads. - Provide recommendations on how to enhance the structural integrity of the building. Ideal Skills and Experience: - Proven experience in structural engineering, specifically related to residential buildings. - Proficiency in structural load analysis software. - Strong knowledge of foundation design principles. - Excellent problem-solving skills and attention to detail. Note: Please include examples of similar projects you have worked on in...

I need a recruitment funnel that can target entry-level candidates either in college or coming out of college. The ideal candidate for this project should have experience in creating and implementing a seamless and efficient recruitment process through a website application form. Job description: Job Title: Junior Solar Survey Technician (Residential Apprentice) Company: Ciellie Location: On the Road 50 - 150mi Employment Type: 1099. Gigs. Part-time. Set your own schedule & travel radius. Salary Range: Training starts at $50/survey & 25c/mi & pay increases after training PLEASE READ THIS POSTING AND JOB REQUIREMENTS/QUALIFICATIONS CAREFULLY BEFORE SUBMISSION. IF YOU ARE INTERESTED IN MORE THAN ONE LOCATION, YOU NEED ONLY SUBMIT ONCE. THANK YOU! We are currently seeking ...

I'm searching for an experienced developer to build an Engineering Resource Planner with distinct features, such as Resource allocation and Reporting. Key requirements and features include: - A system that allocates resources; to manage the assignment of people/materials to projects seamlessly. - A refined reporting feature, to deliver accurate representation of the resources at disposal on a regular basis. Your ability to utilize historical data currently in spreadsheet format to create this planner is crucial. Hence, I'm majorly looking for individuals with an understanding of data handling/analysis and system development. I anticipate your expertise will bring accuracy and efficiency to our resource planning and reporting operations with this tool. Your contri...

Hello, U.S. Bank is seeking an accomplished Principal Network Engineer, with multi-network (z/OS and Mainframe) technologies and technical leadership experience. to contribute toward the success of our technology initiatives. The Mainframe Network Systems Programmer is responsible for the analysis, development, modification, installation, testing, and maintenance of operating systems software. Supports network protocols for the mainframe. Working experience 10 + yrs. With managing day-to-day delivery of satisfactory network services to clients. Mandatory: Key Skills: Mainframe, VTAM, TCPIP, zSeries, TN3270, IBM3270, TPX, z/OS, FTP-ATTLS. If interested Pls share resume on LinkedIn Thanks-Uday/US Bank

I'm in need of an experienced MATLAB expert to handle some electrical simulations. The task at hand includes: - Conducting electrical simulations: The project requires you to simulate electrical systems using MATLAB. This will involve running the simulations, analyzing the results, and providing insights based on the findings. This job is ideal for someone with a strong background in electrical engineering, MATLAB, and simulation techniques. Experience with similar projects in the past would be a big plus.

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I'm in need of a skilled architect or structural engineer to create a detailed pole barn design for my new garage. This will be a 30' deep by 40' wide structure with 3 overhead doors. It will be attached to my house. Per local building code I can do so as long as I use pre-cast perma columns into the ground. I want a 5/12 pitch on the roof. 10' ...necessary elements - The space should be well-suited for accommodating multiple vehicles, so must be spacious and structurally sound Ideal Skills and Experience: - Experience in designing pole barn structures or similar - Proficient in architectural software for creating detailed plans - Familiarity with designing structures for multiple vehicle storage - Strong understanding of structural engineering to ensure th...

...enhance the aesthetics to match our modern and high-performance simulator systems. Responsibilities: -Design a visually appealing, modern, and sleek housing for the traction loss platform that complements the existing frame design. -Ensure that the housing facilitates easy access to the mechanical components for maintenance and adjustment without compromising on style. -Collaborate with the engineering team to integrate technical specifications and ensure the housing accommodates all mechanical movements (left-right and forward-backward) efficiently. -Create CAD drawings and 3D models that reflect the intended contemporary design and are ready for production. -Consider materials and manufacturing processes that are suitable for a durable and aesthetically pleasing finish. Requ...

...clean lines. -Ensure that the metal case is robust and durable, suitable for the rigors of sim racing while maintaining a modern and attractive appearance. -Collaborate closely with our engineering team to ensure that the case meets all functional specifications and integrates seamlessly with other simulator components. -Produce detailed CAD drawings and 3D models that reflect a contemporary, sleek design style. Requirements: -Proven expertise in industrial design, specifically with experience designing metal product casings. -Mastery of CAD software and 3D modeling tools necessary for creating detailed engineering drawings and aesthetic visualizations. -Strong portfolio showcasing a flair for modern, sleek designs in metal, demonstrating an ability to merge durability w...

I am in need of a skilled 3D artist to create two high-detail 3D images of a structural reinforced ground beam. These images will be used specifically as presentation materials. Key Requirements: - The images need to be highly detailed, including lighting, shadows, and intricate textures. I'm looking for a realistic and visually appealing res...the concrete poured in place which covers the reinforcement creating the completed ground beam Maybe have both shown with a house adjoining it so the ground beam forms the foundation for an extension Ideal Skills and Experience: - Proficiency in 3D modelling and rendering software. - Experience in creating high-detail 3D images for presentation purposes. - An understanding of structural engineering concepts would be beneficial, but...

I'm currently on the search for a proficient Civil Engineer with an expertise in site planning, particularly for commercial buildings. Given that th...stores, office spaces or restaurants. The potential freelancer should: - Have a rich background in site planning for commercial buildings - Exhibit adaptability and creativity in engineering planning - Showcase previous work samples related to commercial building projects Although not mandatory, previous experience in infrastructure planning for different types of commercial establishments—retail stores, office spaces, restaurants—will be a strong advantage. This job requires the ability to solve unique problems creatively, anticipate potential issues, and plan for efficient use of space. Please provide proj...

I'm on the hunt for a highly skilled CAD designer to assist with 2D drafting for a floorplan - Extensive experience with 2D drafting - Specialized in the field of engineering schematics. Bring your sharp professional skills, attention to detail, and innovative thinking to my project, and let’s design the future together.

I'm currently renovating a residential property that's under 1,000 sq ft. I'm seeking a professional engineer who can provide me with expert guidance and plans for the renovation. Specifically, I need your expert...make recommendations for any necessary changes. - Electrical Systems: Help me design an efficient, safe electrical system for the property. - Plumbing and HVAC: Assist with the planning and implementation of plumbing and HVAC systems. Ideal candidates for this project should have experience in residential projects, particularly in renovation, and be familiar with local building codes and regulations. A good understanding of cost-effective yet quality solutions is a plus. Additionally, the ability to communicate complex engineering concepts in a cle...

...and heat flux in the rooms, hallways, and staircases. Key Requirements: - Conduct a CFD analysis focusing on the mentioned areas - Provide an overview of the fire spread - Analyze temperature distribution, pressure distribution, and heat flux - Prepare a detailed but basic CFD analysis report - Offer some insights into technical aspects of the findings Ideal Freelancer: - Holds a degree in engineering with a specialization in CFD - Has experience in simulating fire spread in large complex structures - Proficient in using CFD software and interpreting results - Can translate complex technical data into understandable insights - Good communication skills and able to provide a clear, comprehensive report on the CFD analysis. Please note that I need a basic overview, not an in-d...

I require a skilled and creative freelancer capable of producing compelling promotional, explainer, and animated videos. These creations will be shared across Instagr...shared across Instagram, Facebook, and YouTube. Our goal is to leverage these videos and designs for boosting brand awareness, promoting products/services, and engaging with our audience. Ideal Skills: • Video Editing • Graphic Design • Animation • Content Creation • Social Media Management Experience in crafting content for student services, medical services, engineering services, and real estate services is highly valued. This project seeks a high-impact visual strategy so a knack for visually arresting media is a must. Show me your creativity, impress me with your portfolio, and...

I'm seeking a skilled sound engineer who specializes in the Hip Hop/Rap genre. The primary goal of this project is to mix and master a selection of music tracks. Key Responsibilities: - Mix the different audio elements of the tracks to create a balanced and coherent sound - Master the final mixes, ensuring the overall sound is polished and ready for distribution Ideal Candidate: - Prior experience in mixing and mastering Hip Hop/Rap music - Proficiency in sound engineering software and tools - A good understanding of the nuances of the Hip Hop/Rap genre - Strong attention to detail and ability to deliver high-quality work It is important that the selected candidate has a portfolio that showcases previous work in this genre. I'm looking for a professional who can...

I'm looking for a proficient Autocad designer to assist with an architectural design project. This task entails creating technical drawing standards including geometric dimensioning for a tech gadget product and a strong understanding of AutoCad software is essential Also, should have a knowledge of design Principles such as scale, proportion, balance, symmetry and aesthetics and basic knowledge of engineering principles, materials and components

I'm seeking skilled Fusion 360 designers to help i...component, - Creating designs that integrate seamlessly with existing parts, - Producing Fusion 360 drawings for fabrication (usually CNC machining). The ideal candidate should have: - Experience in automotive parts design, - Extensive familiarity with Fusion 360, and in many cases heavy use of Reverse Engineering from scan data - Comprehensive understanding of industrial machinery for automobiles, ASME Y14.5 GD&T - An inventive approach towards new product development. This project is meant for those who have a passion for creating innovative solutions in the aftermarket automotive parts industry. If you can visualize and design components that fit perfectly in a vehicle while improving its performance, yo...

I am in need of a structural engineering stamp for a residential solar array. The solar array will be installed on mixed roof types - some with asphalt shingles. Key Points: - Provide a stamped design for a residential solar array - Mixed roof types, primarily with asphalt shingles - Focus on structural engineering specifics to ensure safety and durability Ideal Experience/Skills: - Proven experience in structural engineering related to solar arrays - Understanding of various roof materials, particularly asphalt shingles - Familiarity with residential solar array design and installation.