Network Security Consultants For Hire
Showing 69 results
Sponsored Freelancers
-
Hire iosifpeterfi
Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive less -
Hire offensiumvault
Offensium Vault Private Limited is an ISO/IEC 27001:2022 and ISO 9001:2015 certified cybersecurity company delivering advanced offensive and defensive security services. Our certifications validate our commitment to world-class information security and consistent service quality, making us a trusted partner for...Offensium Vault Private Limited is an ISO/IEC 27001:2022 and ISO 9001:2015 certified cybersecurity company delivering advanced offensive and defensive security services. Our certifications validate our commitment to world-class information security and consistent service quality, making us a trusted partner for businesses globally. We help startups, enterprises, and international clients secure their digital assets with industry-standard methodologies, highly skilled professionals, and a complete security lifecycle approach. We offer a comprehensive suite of services: ⭐ Our Core Cybersecurity Services ✅ Vulnerability Assessment & Penetration Testing (Web, API, Mobile – Android/iOS, Network) ✅ Red Team Operations (Adversary Simulation & Breach Testing) ✅ Blue Team Services (Defensive Monitoring & Threat Mitigation) ✅ Source Code Review & Application Security ✅ Cloud Security & Configuration Review ✅ Infrastructure Security & Hardening ✅ Container & DevOps Security Solutions ✅ Security Automation & Threat Detection ✅ Web Application Firewall (WAF) Configuration – Cloudflare & Others ✅ Continuous Vulnerability Management ✅ Incident Response & Digital Forensics ✅ Security Audits & Ongoing Consultancy ✅ Security Training & Awareness Programs ✅ Compliance Support (ISO, PCI-DSS, SOC 2, GDPR, etc.) ✅ Bug Bounty Program Management ⭐ Why Clients Choose Offensium Vault ✅ ISO 27001:2022 Certified – Highest global standard for information security ✅ ISO 9001:2015 Certified – Assured service quality & delivery excellence ✅ 100% on-time & on-budget delivery record ✅ Clear, professional reporting with actionable fixes ✅ Transparent communication and 24/7 availability ✅ Expertise across fintech, healthcare, SaaS, eCommerce & government sectors ✅ Trusted by global clients for high-risk, high-impact projects ⭐ Professional Guarantee We deliver security work with full confidentiality, structured methodologies (OWASP, NIST, OSSTMM), and verifiable certification-backed processes. Every engagement includes: ✅ Detailed VAPT report ✅ Risk ratings & CVSS scoring ✅ Mitigation guidance ✅ Retesting & verification ✅ Optional security certificate of testing completion Our client-focused approach ensures tailored solutions, actionable insights, and 24/7 support for your peace of mind. Whether you're a startup or an established enterprise, Offensium Vault is committed to safeguarding your operations, data, and reputation. Choose us for reliable, transparent, and cutting-edge cybersecurity services. Contact us today to fortify your digital defenses. less -
Hire ramygoda1590
Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks...Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks quickly. below is a brief on my experience: Technology Specialist: --------------------- - Can design, implment large scale networking and make exaplanation reports. - Practice on Cisco Packet Tracer, GNS-3, EVE-NG. - Excellent pracitce on VMware WorkStation, Virtual-Box - VPN (IPSEC,IKE v1 or v2 ,L2TP ,OPENVPN, DUO Authentication). - Routing Protocols (BGP, OSPF, EIGRP .. ). - Wrie Technical Reports with excellent and format. Skills and Hands on Experience: ------------------------------- - Cisco devices (routers, switches), routing protocols, IPSEC, Cisco ASA Firewall. - Fortinet Devices: FortiGate, Forti Manager, Forti Analyzer. - wireless (WLC, Access Points): CISCO, Aruba, ubiquiti. - Juniper (M7, M10, MX 480, MX 960) and SRX (300, 500). - Operating Systems: Linux servers (Ubuntu, RedHAT, Debian), windows (Windows server 2012, 2016 ..etc). Regards, Ramy less -
Hire Mluis07
Soy estudiante de ciberseguridad con conocimientos sólidos en redes, administración de sistemas Linux y programación. Tengo experiencia trabajando con configuración de redes (VLANs, direccionamiento IP, routing, etc), uso de herramientas como Cisco Packet Tracer y gestión de sistemas desde la línea de comandos...Soy estudiante de ciberseguridad con conocimientos sólidos en redes, administración de sistemas Linux y programación. Tengo experiencia trabajando con configuración de redes (VLANs, direccionamiento IP, routing, etc), uso de herramientas como Cisco Packet Tracer y gestión de sistemas desde la línea de comandos (CLI). Me caracterizo por ser responsable, puntual y comprometido con cada proyecto, asegurando entregas dentro del tiempo establecido y con altos estándares de calidad. Además, estoy en constante aprendizaje para mejorar mis habilidades y adaptarme a nuevas tecnologías, lo que me permite ofrecer soluciones eficientes y actualizadas. Estoy listo para ayudarte en proyectos relacionados a redes, soporte técnico, automatización básica y tareas en entornos Linux. less -
Hire ravikumarsingh1
ravikumarsingh1 ravikumarsingh1
$15 USD / hour
AWS DevOps,Linux ,Excel,PowerBI,N8N & Zoho 5+ yearIndia🚀 Automation, DevOps & Full-Stack Engineer | AI Workflows | AWS Cost Optimization I help startups and businesses automate operations, scale infrastructure, and build production-grade applications using an automation-first engineering approach. 🤖 Automation & AI Systems (Primary Focus) I design end-to-end automation...🚀 Automation, DevOps & Full-Stack Engineer | AI Workflows | AWS Cost Optimization I help startups and businesses automate operations, scale infrastructure, and build production-grade applications using an automation-first engineering approach. 🤖 Automation & AI Systems (Primary Focus) I design end-to-end automation workflows that eliminate manual work and connect business tools into self-running systems. Expertise n8n workflow automation (self-hosted & cloud) AI integrations (OpenAI / ChatGPT) Lead capture → qualification → booking automation WhatsApp, Instagram & CRM automation API integrations, webhooks & backend orchestration Google Sheets & database automation ✔ Reduce manual work by 70–90% ✔ Instant lead response & automated operations ⚙️ DevOps & Cloud Engineering Production-ready cloud infrastructure focused on scalability, reliability, and cost efficiency. AWS architecture & cost optimization (30–40% savings) Kubernetes deployment & disaster recovery CI/CD pipelines (Jenkins, GitHub Actions, CodePipeline) Terraform & Ansible (Infrastructure as Code) Docker & microservices Monitoring: CloudWatch, Prometheus, ELK, Grafana Impact: Reduced deployment time by 50% and recovered critical production systems under pressure. 💻 MERN Stack Development (React / Next.js) Building fast, scalable applications with modern performance standards. React.js & Next.js (SEO & performance optimized) Node.js / Express APIs MongoDB & PostgreSQL REST & GraphQL APIs Redis caching Apps handling 8k+ daily users with <2s load time. 🛒 Shopify & 🌐 WordPress Solutions Shopify setup, customization & automation High-performance WordPress sites (90+ PageSpeed) SEO-first architecture Performance & hosting optimization Automation integrations ☁️ Data Engineering & Automation Python & PySpark pipelines AWS Glue, Lambda & ETL workflows Automated testing (PyTest, BDD) 📊 Proven Results • FinTech: AWS cost reduced ₹2.8L → ₹1.6L/month • Healthcare SaaS: Kubernetes recovery in 4.5 hrs • E-commerce: Analytics dashboard serving 8k+ users/day 🧰 Tech Stack AWS, Docker, Kubernetes, Terraform, Jenkins, n8n, OpenAI APIs, React, Next.js, Node.js, Python, MongoDB, PostgreSQL, Shopify, WordPress, Linux, Git, Networking. ✅ Why Clients Hire Me ✔ Automation-first mindset ✔ DevOps + Full-Stack + AI expertise in one engineer ✔ Fast communication & reliable delivery ✔ Scalable, production-grade solutions less -
Hire sedawy
DevOps & Cloud Engineer | Security & Python Expert. 15+ yrs in IT infra delivering ERP deployments, CI/CD, Kubernetes, Terraform & multi-cloud automation (AWS, Azure, GCP). Secure, scalable, proven. I’ve delivered for clients in the US, Germany, UK, and the Gulf across FinTech, Media, Education, and Healthcare. What...DevOps & Cloud Engineer | Security & Python Expert. 15+ yrs in IT infra delivering ERP deployments, CI/CD, Kubernetes, Terraform & multi-cloud automation (AWS, Azure, GCP). Secure, scalable, proven. I’ve delivered for clients in the US, Germany, UK, and the Gulf across FinTech, Media, Education, and Healthcare. What I do best: - Build CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI) - Deploy Kubernetes, Docker, Terraform on AWS/Azure/GCP - Secure networks & firewalls (F5, FortiGate, Palo Alto) - Cloud Security & compliance (IAM, VPN, Firewalls, Monitoring) - Python automation for infrastructure & workflows Why hire me: 🎯 15+ years in Infrastructure, DevOps & Security 💼 Full-time availability, fast response, clear documentation 🎓 MBA in E-Business → I align IT with business needs Let’s make your systems faster, safer, and smarter. Message me to start. less -
Hire yuriihal
Hello! I’m a No-Code & Automation Engineer with a strong background in backend development, cloud infrastructure, and system design. I specialize in building scalable automation systems that eliminate manual work, improve efficiency, and help businesses operate faster and smarter. I combine no-code tools with...Hello! I’m a No-Code & Automation Engineer with a strong background in backend development, cloud infrastructure, and system design. I specialize in building scalable automation systems that eliminate manual work, improve efficiency, and help businesses operate faster and smarter. I combine no-code tools with engineering-level thinking to design reliable, production-ready workflows and integrations tailored to real business needs. 🔧 Services I Offer |- End-to-End Workflow Automation (Zapier / Make / n8n) ||- Multi-step automations with logic, conditions, and error handling |||- Webhook-based systems & event-driven workflows |- API Integrations & System Connections ||- REST APIs, JSON handling, OAuth / API key authentication |||- Custom integrations between SaaS platforms |- Internal Tools & Data Systems ||- Airtable / Notion / Google Sheets as databases |||- Data pipelines, syncing, and transformation |- Business Process Automation ||- CRM automation (HubSpot, Salesforce) |||- Email workflows (Resend, Mailchimp) |||- Payment automation (Stripe) |- Cloud & Backend Support ||- AWS (Lambda, S3, API Gateway, SQS) |||- Serverless workflows & scalable backend logic |- AI & GenAI Integrations ||- OpenAI / LangChain / Hugging Face |||- AI-powered workflows, content processing, automation 🧠 My Approach I focus on building systems that are: • Scalable → ready to grow with your business • Reliable → proper error handling & monitoring • Maintainable → clean structure and documentation • Efficient → reducing manual work and costs I don’t just connect tools — I design complete systems that work seamlessly in real-world conditions. 💡 Why Work With Me • Strong engineering background (not just no-code user) • Experience with cloud, APIs, and scalable architectures • Focus on real business impact, not just automation setup • Clear communication and fast execution 🤝 Let’s Work Together If you’re looking to automate your processes, integrate your tools, or build a scalable no-code system — I can help. less -
Hire tajk7
Devops, Cybersecurity, anti-virus, automation, Network Engineering, VPN Development, Linux development, reverse engineering, cracking and so on. I have owned low level security technologies.Devops, Cybersecurity, anti-virus, automation, Network Engineering, VPN Development, Linux development, reverse engineering, cracking and so on. I have owned low level security technologies. less -
Hire arwamoizds
A dominant Harvard Grad who is simultaneously being integrated into the diverse business consciousness with an in-depth understanding of how to scale operations for best results, I am skilled at guiding people and businesses, and developing processes to ignite growth within an organization for funding, expanding, and...A dominant Harvard Grad who is simultaneously being integrated into the diverse business consciousness with an in-depth understanding of how to scale operations for best results, I am skilled at guiding people and businesses, and developing processes to ignite growth within an organization for funding, expanding, and maximizing profits. Whether you need your idea to be analyzed that how feasible it is, your firm to be formed or registered, multiply your revenues through a new marketing approach, expand in new markets through successful strategies, or revive from de-growth by competing with the industry giants, my professional attitude and services are available to assist you in achieving the goals. Better to be called a Business Consultant, I'm here to help you discover the answers on how to improve your Business Processes, Blueprint, Margins, Efficiency, and even Customer Satisfaction. Whether an Advisory Project or Implementation Project, I am capable of managing all the phases starting from the Preparation, Information Gathering, Data Analysis, till the deliverable of information for all the stakeholders involved. I revel in facilitating collaboration and contributing to the overall performance of each, such as Creatrox.com, as I assisted them from soup to nuts now it became a brand & generating great revenues annually. As a market analyst, I have assessed details like the economic, employment, educational, and even the ecological health of the area. I have examined local social, technology, and political issues, and determined whether those factors match your personal and financial goals and preferences. I don't settle for anything less than your very best, so connect with me! less -
Hire juanrod
Full-stack developer with strong experience in React Native, mobile app development, and web platforms. I build clean, functional applications ready for real-world use — not just prototypes. I have hands-on experience developing cross-platform mobile apps (iOS & Android) with React Native, integrating Firebase for...Full-stack developer with strong experience in React Native, mobile app development, and web platforms. I build clean, functional applications ready for real-world use — not just prototypes. I have hands-on experience developing cross-platform mobile apps (iOS & Android) with React Native, integrating Firebase for real-time data, authentication, and cloud functions, and implementing role-based access control and secure data handling aligned with HIPAA-aware architecture principles. My work spans AI-driven notification systems, real-time activity feeds, live camera integrations, and multi-role dashboards — exactly the kind of features needed for healthcare communication platforms connecting families with care facilities. I deliver well-documented, maintainable code and prioritize professional UI/UX that's investor and demo ready. If you're building a platform like FamilyBridge, I can help you get it across the finish line. Let's build something that works. less
