Network Security Engineer

The Network Security Engineer is responsible for the day-to-day operations, maintenance, and continuous improvement of perimeter security services across global data centers and cloud environments. This role focuses on firewall, proxy, and zero-trust solutions, ensuring secure, reliable connectivity while proactively identifying risks and driving improvements.

You will act as a key technical resource, collaborating with internal teams and stakeholders to troubleshoot issues, implement solutions, and support ongoing infrastructure initiatives—including coordination with teams supporting Operational Technology (OT) environments.

Key Responsibilities

• Manage and support perimeter security technologies, including firewalls, proxies, and zero-trust platforms across on-prem and cloud environments
• Administer and optimize solutions from key vendors such as Check Point (firewalls) and Zscaler (zero trust / proxy)
• Install, configure, and maintain network security hardware and software
• Monitor system performance, troubleshoot issues, and ensure high availability of services
• Contribute to infrastructure projects, including design, deployment, and optimization of security solutions
• Proactively identify risks, inefficiencies, and improvement opportunities; propose and implement solutions
• Maintain accurate documentation (architecture diagrams, procedures, runbooks)
• Collaborate with cross-functional IT teams, including coordination with OT security teams where network and industrial environments intersect
• Provide support for service requests and incidents, and participate in on-call rotation

Required Qualifications

• Minimum 5 years of experience in IT, with a strong focus on network security
• Hands-on experience with enterprise firewall technologies, preferably Check Point
• Experience with secure web gateway / zero trust platforms, preferably Zscaler
• Experience designing and deploying firewall solutions in data center environments (3+ years)
• Experience with cloud platforms such as Microsoft Azure, AWS, or VMware NSX (2+ years)
• Solid understanding of networking concepts (TCP/IP, routing, switching, VPNs)
• Strong troubleshooting and operational support skills

Preferred Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or a related field
• Experience supporting or collaborating with OT (Operational Technology) or industrial network environments
• Experience working in global or multi-data center environments
• Familiarity with infrastructure documentation and standard operational processes
• Strong communication and collaboration skills

Nice to Have

• Experience with automation or scripting (e.g., Python, PowerShell)
• Exposure to security frameworks and best practices
• Relevant certifications (e.g., Check Point, Zscaler, CCNP Security, CISSP)