Security Engineers For Hire
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Hire touhidecevw
touhidecevw touhidecevw
$60 USD / hour
Network & System Specialist|CCNP|Fortinet|RHCE|CEHBangladesh✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication. less -
Hire srmukul2
**Certifications:** - Certified in Digital Forensics - Certified Ethical Hacker - Certified in API Security **Professional Overview:** I’m Shofiur Rahman, a Certified Ethical Hacker and Professional Penetration Tester with over a decade of experience in the cybersecurity field. Recognized as one of the top 1% of...**Certifications:** - Certified in Digital Forensics - Certified Ethical Hacker - Certified in API Security **Professional Overview:** I’m Shofiur Rahman, a Certified Ethical Hacker and Professional Penetration Tester with over a decade of experience in the cybersecurity field. Recognized as one of the top 1% of Cybersecurity Engineers on Freelancer.com, I have established a reputation for delivering exceptional security services tailored to meet the needs of diverse clients. I offer a comprehensive suite of cybersecurity services, including white, gray, and black hat penetration testing, network and host auditing, policy development, and Business Impact Analysis. My expertise extends to black and gray box testing in both live environments and controlled lab settings. I am proficient in identifying and mitigating a wide range of attack vectors, including zero-day vulnerabilities (0days), and I am experienced in conducting vulnerability assessments for PCI and HIPAA compliance. **Why Choose Me:** - **Proven Expertise:** With a rich portfolio that highlights my work on critical projects, I have consistently delivered high-impact solutions that protect and strengthen security postures. - **Trusted Professional:** As one of the most trusted cybersecurity experts on Freelancer.com, my work is characterized by its precision, thoroughness, and adherence to best practices. - **Comprehensive Reporting:** I provide detailed, actionable reports that not only identify vulnerabilities but also offer clear guidance on remediation. My reports are crafted to meet the needs of both technical and non-technical stakeholders, ensuring that everyone involved can understand and act on the findings. **Explore My Work:** To gain further insight into my capabilities, I invite you to review my portfolio. Additionally, you can request a sample of a previous Penetration Testing report, which showcases my approach, methodologies, and the depth of my analysis. This will give you a clear understanding of my skills and the quality of work I deliver. **Service Description:** **Core Skills:** - Penetration Testing - Web Application Security - Social Engineering - Red Team Assessment - Ethical Hacking & Countermeasures - Vulnerability Assessment - Malware Analysis - Server Security Hardening **Tools of the Trade:** - BurpSuite Professional - sqlmap - nmap - Metasploit - OpenVAS - Mimikatz With a commitment to excellence and a proven track record of success, I am confident in my ability to help secure your digital assets against emerging threats. Let’s work together to build a safer, more secure environment for your business less -
Hire SEOGlobalLLC
You don’t just need code. You need a team that understands the business outcome behind it. SEO Global is a full-stack development group working with founders, agencies, and growing companies that want senior-level execution without the overhead of hiring or micromanaging freelancers. We design, build, and maintain...You don’t just need code. You need a team that understands the business outcome behind it. SEO Global is a full-stack development group working with founders, agencies, and growing companies that want senior-level execution without the overhead of hiring or micromanaging freelancers. We design, build, and maintain scalable digital products—from polished frontend experiences to robust backend systems. What sets us apart isn’t just technical ability. It’s product thinking. We don’t blindly build feature lists. We help you focus on what actually drives results, then design and develop solutions that are clean, fast, and built to scale. Our Expertise * Custom web applications and platforms * Android & iOS mobile app development * E-commerce systems and payment flows * Trading systems, automation, and market data tools * AI-powered features and workflow automation * Web scraping, data extraction, and crawling systems * Bot development (Telegram, Discord, automation bots) * API development and third-party integrations * Performance optimization and technical SEO * Ongoing product iteration, maintenance, and support If you’re looking for a reliable development team that thinks in terms of outcomes—not just tasks—let’s talk. less -
Hire sahilcomputers39
Certified AWS Architect & DevOps Engineer 15+ years of experience in designing, implementing, and optimizing cloud-based solutions with a strong focus on automation, scalability, and reliability. Key Highlights: • Expertise in planning and building custom AWS environments tailored to customer needs, ensuring ...Certified AWS Architect & DevOps Engineer 15+ years of experience in designing, implementing, and optimizing cloud-based solutions with a strong focus on automation, scalability, and reliability. Key Highlights: • Expertise in planning and building custom AWS environments tailored to customer needs, ensuring seamless integration and performance. • Skilled in leveraging AWS best practices to deliver secure, scalable, and cost-effective solutions. • Specialized in automation, containerization, and rapid deployments using Terraform, ECS, EKS, Kubernetes, Argo CD, AWS CodePipeline, and Jenkins pipelines. • Experienced in multi-cloud environments, including AWS, Google Cloud Platform, Microsoft Azure, Digital Ocean, and GoDaddy. • Adept at collaborating with customers to address issues, provide solutions, and ensure satisfaction. Core Competencies: • CI/CD Pipelines: Expertise in Jenkins, Argo CD, AWS CodePipeline, GitLab CI/CD, and Bitbucket Pipelines for continuous integration and deployment. • Version Control: Proficient in Git, Bitbucket, GitHub, and AWS CodeCommit. • Infrastructure as Code (IaC): Skilled in Terraform for automating infrastructure provisioning. • Containerization & Orchestration: Hands-on experience with Docker, Kubernetes, and AWS EKS for containerized application deployment and management. • Monitoring & Alerting: Proficient in Nagios, Datadog, and PagerDuty. • Web Servers: Expertise in Nginx, Apache, httpd, Wildfly, and Tomcat. • Databases: Strong knowledge of MySQL/MariaDB and MongoDB. • Email Services: Experience with Postfix, Amazon SES, and Sendmail. Previous Roles & Responsibilities: • Led system deployment, configuration, and optimization to ensure high availability and performance. • Collaborated with developers and project managers to streamline deployments and improve delivery timelines. • Acted as the single point of contact for IT and support-related incidents, ensuring quick resolution. • Performed advanced Linux debugging and server health monitoring to maintain system stability. • Optimized internal infrastructure to enhance efficiency and reduce costs. Specialized in Multi-Cloud Environments: • AWS: Deep expertise in EC2, S3, RDS, Lambda, CloudFormation, EKS, CodePipeline, and more. • Google Cloud Platform (GCP): Experience in deploying and managing workloads. • Microsoft Azure: Familiarity with Azure services for cloud-based solutions. • Digital Ocean & Linode: Hands-on experience with smaller cloud providers for cost-effective solutions. Additional Skills: • Strong focus on security and compliance, ensuring adherence to industry standards. • Experience in disaster recovery planning and backup strategies for business continuity. • Skilled in cost optimization for cloud resources, reducing expenses while maintaining performance. • Passionate about mentoring and knowledge sharing, helping teams adopt DevOps practices effectively. less -
Hire umg536
Modular Solutions® Modular Solutions has a track record of 100 percent, all 5 stars and a go-to firm for harnessing the latest advancements in engineering and development to propel your business forward. We're a team of passionate professionals with a proven track record, consistently earning over 100 ecstatic...Modular Solutions® Modular Solutions has a track record of 100 percent, all 5 stars and a go-to firm for harnessing the latest advancements in engineering and development to propel your business forward. We're a team of passionate professionals with a proven track record, consistently earning over 100 ecstatic 5-star reviews from satisfied clients. Our expertise lies in: Data Analysis: Utilizing industry-leading tools like SPSS, R, Hadoop, and Spark, we extract actionable insights from complex data sets, empowering data-driven decision-making. Software Development: We wield a diverse arsenal of programming languages (Python, Java, C++, etc.) to craft custom software solutions that streamline workflows and meet your specific needs. Engineering Services: Our expertise spans across electrical, mechanical, civil, and software engineering, leveraging industry-standard software like AutoCAD, SolidWorks, and ANSYS to deliver precise and efficient solutions. Machine Learning & AI: We stay at the forefront of technological advancements, integrating machine learning and artificial intelligence into your projects to automate tasks and optimize processes. Development: best on any freelance websites, freelancer platform we offer developers software, hire freelancers from laravel developers to wordpress website developer or freelance digital marketing. Collaboration is paramount. We work closely with you, prioritizing transparency throughout the project lifecycle to ensure your vision becomes reality. Let Modular Solutions be your trusted partner in innovation. By leveraging our expertise in big data, automation, and cutting-edge technologies, we'll craft solutions that unlock your business potential and drive tangible results. Ready to join the ranks of our 100+ satisfied clients? Contact us for a free session today to discuss your project and see how Modular Solutions can help you achieve your goals. less -
Hire HaroonKareem
I am a Senior IT & Cloud Infrastructure Consultant with 16+ years of hands-on experience helping businesses design, secure, optimize, and troubleshoot their IT environments. I hold a Master’s degree in Networks & Security (Scholarship-based) and multiple industry certifications. I specialize in Microsoft Azure,...I am a Senior IT & Cloud Infrastructure Consultant with 16+ years of hands-on experience helping businesses design, secure, optimize, and troubleshoot their IT environments. I hold a Master’s degree in Networks & Security (Scholarship-based) and multiple industry certifications. I specialize in Microsoft Azure, Windows Servers, Networking, Firewalls, Security, VDI, Monitoring, and Backup & Disaster Recovery. I work with both on-premise and cloud environments, providing fast, reliable, and cost-effective solutions with clear communication. What I help clients with: Cloud Services: Microsoft Azure, AWS, Google Cloud – setup, migration, performance tuning & cost optimization Servers & Virtualization: Windows Server, Active Directory, GPO, DNS, DHCP, Hyper-V, VMware ESXi, clustering & high availability Networking & Wireless: Network design, troubleshooting, VLANs, routing, VPNs, MPLS, SD-WAN (Cisco, Aruba, Fortinet, Mikrotik, UniFi) Security & Firewalls: Fortinet, Palo Alto, Sophos, Cisco ASA, pfSense, email security (SPF, DKIM, DMARC), endpoint protection VDI & Remote Access: Azure Virtual Desktop, Citrix VDI, VMware Horizon Monitoring & Cybersecurity: SolarWinds, PRTG, Zabbix, vulnerability scanning & security reporting Backup & DR: Veeam, Acronis, NetBackup – backup design, testing & recovery PBX & Collaboration: 3CX, FreePBX Documentation & Consulting: Technical documentation, policies, diagrams, audits, and reports I am experienced in remote IT support, urgent troubleshooting, migrations, and long-term IT management. My focus is always on security, performance, uptime, and business continuity. ✔ Clear communication ✔ Fast response time ✔ Enterprise-level experience ✔ Short-term fixes or long-term support I am available for one-time tasks, ongoing support, consulting, and complex infrastructure projects. less -
Hire MariamQadeem
Hi, I'm Mariam Qadeem, an experienced software engineer passionate about crafting efficient, real-world solutions. From development to logic building, I specialize in tackling complex problems with clean, maintainable code. I'm committed to ensuring your project receives the dedicated attention it deserves, turning...Hi, I'm Mariam Qadeem, an experienced software engineer passionate about crafting efficient, real-world solutions. From development to logic building, I specialize in tackling complex problems with clean, maintainable code. I'm committed to ensuring your project receives the dedicated attention it deserves, turning your ideas into impactful results. Let's collaborate to bring your vision to life! What I Offer: -> Python Programming -> JavaScript & Full Stack MERN Applications -> Django Development -> JavaFX & Swing GUI Design -> Client-Server Architecture -> C & C++ Programming -> Problem Solving & Algorithm Design -> Data Structures -> Object-Oriented Programming (OOP) -> Graphical User Interfaces (GUI) -> Database Design & SQL Queries -> Entity-Relationship Diagrams (ERD) -> Normalization (1NF, 2NF, 3NF) -> Software Development & Optimization -> Networking -> Operating Systems Let's turn your ideas into amazing software solutions! Reach out anytime--I can't wait to help you create something incredible! Thanks for visiting my profile! Warm Regards less -
Hire ajittkumark
Experienced Full-Stack Senior .NET Developer specializing in SaaS application development, enterprise software architecture, backend engineering, and scalable cloud solutions. With years of practical experience, I build secure, high-performance web platforms using .NET, ASP.NET Core, Azure, SQL Server, and JavaScript...Experienced Full-Stack Senior .NET Developer specializing in SaaS application development, enterprise software architecture, backend engineering, and scalable cloud solutions. With years of practical experience, I build secure, high-performance web platforms using .NET, ASP.NET Core, Azure, SQL Server, and JavaScript frameworks, helping businesses launch reliable digital products faster. 🚀 Core Expertise ✅ Senior .NET Development with .NET Core, ASP.NET Core, C#, and Enterprise Backend Architecture ✅ Scalable REST API Development, Microservices, Distributed Systems, and Backend Integration ✅ Secure Authentication & Authorization using JWT, OAuth, Role-Based Access Control, and Identity Management ✅ Database Architecture, SQL Server Performance Tuning, Azure SQL, Query Optimization, and Data Modeling ✅ Responsive Frontend Development, Modern Web UI Engineering, and Full-Stack Application Design ✅ Reusable Component-Based Architecture for Maintainable and Scalable Web Applications ✅ Microsoft Azure Cloud Infrastructure, Docker, DevOps, CI/CD Pipelines, and Release Automation 🌐 Domain Expertise ✅ Healthcare Application Development ✅ SEO Platforms and Marketing Tools ✅ Cybersecurity Software Solutions ✅ E-Commerce Platforms ✅ SaaS Products ✅ Enterprise Applications ☁️ Cloud, SaaS & Performance Engineering ✅ Microsoft Azure Services including App Services, Azure SQL, Storage Accounts, Functions, and Cloud Deployment ✅ CI/CD Pipeline Design, Deployment Automation, and DevOps Best Practices ✅ Application Performance Optimization, Monitoring, Logging, and Reliability Engineering ✅ SaaS Product Development for Startups, Growing Businesses, and Enterprise Platforms ✅ Multi-Tenant SaaS Architecture with Subscription Management and Payment Gateway Integration ✅ Scalable Software Architecture designed for long-term growth and high availability 💼 Services I Provide ✅ Custom SaaS Product Development from MVP to Production Release ✅ Enterprise Web Application Development with Secure and Scalable Architecture ✅ REST API Development, Third-Party Integrations, and Backend Modernization ✅ Modern Frontend Interfaces with Clean UX and Responsive Design ✅ Cloud Hosting, Infrastructure Optimization, and Deployment Automation ✅ Ongoing Product Maintenance, Feature Expansion, and Technical Support 🌟 Why Clients Choose Me ✅ Years of Real-World Software Development Experience ✅ Strong Technical Depth with Business-Focused Solution Design ✅ Clean, Maintainable, and Future-Proof Code Architecture ✅ Clear Communication, Fast Response, and Reliable Collaboration ✅ Consistent On-Time Delivery with High Quality Standards ✅ Long-Term Technical Partnership for Product Growth and Stability From solution design and development to cloud deployment and long-term maintenance, I can take full responsibility for delivering scalable, production-ready software solutions. less -
Hire martini002
Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software...Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software integration using tools like Raspberry Pi and Arduino. ✴️ Core Technical Skills - Python Development – Efficient and scalable backend systems - Django & Django REST Framework – Clean, secure, and well-documented APIs - Process Automation – From workflow optimization to RPA and web scraping - Hardware Integration – Raspberry Pi, Arduino, sensors, and custom electronics - Linux Server Administration – Secure deployments, performance tuning, and uptime reliability - Database Management – MySQL, PostgreSQL, SQLite - Basic Frontend Development – Clean and functional interfaces using HTML, CSS, and JavaScript ✴️ What I Build - Custom RESTful APIs for mobile or web apps - End-to-end IoT solutions and embedded systems - Automation tools that reduce manual work - Monitoring dashboards with real-time hardware data - Backend platforms with hardware communication layers ✴️ Why Work With Me? - Specialized Expertise – I solve technical problems with depth, not with shortcuts - End-to-End Ownership – From architecture to deployment and post-launch support - Clear Communication – Technical concepts translated into actionable plans - Long-Term Support – I don’t disappear after delivery; I ensure everything works and improves Let’s Work Together If you’re looking for a backend engineer who understands both software and hardware, and who can deliver efficient, future-ready solutions, I’d love to hear about your project. ✴️ Reach out to discuss how we can bring your ideas to life. less -
Hire C0RETECHIES
At Core Techies, we've delivered 35+ AI-powered systems since 2023 — from voice agents handling 5000+ daily calls to n8n automation workflows processing 10,000+ transactions monthly. We build AI Agents, Voice Bots, Chat Bots, Automation Systems, and AI SaaS MVPs with a 99% on-time, 97% on-budget track record across...At Core Techies, we've delivered 35+ AI-powered systems since 2023 — from voice agents handling 5000+ daily calls to n8n automation workflows processing 10,000+ transactions monthly. We build AI Agents, Voice Bots, Chat Bots, Automation Systems, and AI SaaS MVPs with a 99% on-time, 97% on-budget track record across 200+ projects. 🔊 Voice AI — We build AI voice agents using VAPI, Retell AI, Twilio, Eleven Labs and Deepgram for inbound/outbound call handling, appointment booking, lead qualification, and customer support. Integrates with CRMs, Google Sheets, and booking systems. ⚡ AI Automation & Workflows — End-to-end business process automation using n8n, Make.com (Integromat), and Zapier integrated with DeepSeek, OpenAI GPT-5 (ChatGPT), Anthropic's Claude, and Google's Gemini. We automate Marketing workflows, Sales workflows, Operation workflows, HR Onboarding, Invoice Processing and Customer Support Triage etc. 🔥 AI Agents — Custom AI agents for 24/7 customer engagement, sales qualification, document processing, and internal operations. Built with LangChain, CrewAI, and OpenAI function calling. 🔌 AI Integrations — We integrate AI capabilities into your existing tech stack — CRMs, ERPs, e-commerce platforms, mobile apps. DeepSeek, OpenAI GPT-5 (ChatGPT), Anthropic's Claude, and Google's Gemini API integrations with your business systems. 🚀 AI SaaS MVPs — Full AI-native product development from concept to launched MVP in under 30 days. RAG systems, AI chatbots, AI-powered dashboards, and AI SaaS applications. Scalable and production-ready. less
