Network Security Engineer - Work from home

Senior Network Security Engineer

We are currently seeking a Senior Network Security Engineer within the Security Architecture and Engineering team, part of our client's Technology Information Security organization. The role focuses on complex, enterprise‑level security and networking projects, applying security governance and managing firewall policies and configurations for a small team of three members.

• Evaluate incoming firewall rule requests, perform risk assessments, and compare policies against internal standards and frameworks such as CIS and NIST 800‑53 to ensure compliance before approving them.
• Coaching stakeholders on why certain protocols are non‑compliant and providing guidance on policy adherence.
• Handle business exception requests for firewall policies and maintain accurate documentation of approved exceptions.
• Ensure baseline firewall configurations remain compliant, monitoring and maintaining configuration integrity across the environment.
• Implement continuous monitoring for security baselines, including automation with tools such as Firemon and Skybox.
• Assist with domain whitelisting using Cisco Umbrella and support URL whitelisting via web proxy solutions.
• Develop custom policy sets within NScope to meet evolving security requirements.

• Network security and information security fundamentals.
• Experience with Palo Alto firewalls and general firewall administration.
• Knowledge of CIS and NIST 800‑53 frameworks.
• Proficiency in scripting or Python for automation tasks.
• Prior experience with Cisco networking products is preferred.
• Financial services industry experience is preferred.

Expert level

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. TEKsystems is a team of 80,000 professionals working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. We are a leading provider of Full‑Stack Technology Services, Talent Services, and real‑world application solutions, driving change for progressive leaders.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.