Firewall Engineering Manager at Leidos Greenbelt, MD

JIT Global Freight Solution P Ltd; Greenbelt (MD); On-site; USD 112,450 - 203,275; Full time

Job summary

Leidos is seeking an experienced Firewall Engineering Manager to lead a team responsible for designing, implementing, and maintaining NASA's enterprise firewall and perimeter security infrastructure.

This role provides hands-on technical leadership, operational oversight, and strategic direction to ensure the security, resilience, and reliability of NASA's LAN, WAN, Mission Networks, and cloud-connected environments.

Qualifications

• Bachelor's degree in Engineering, Computer Science, Cybersecurity, or related field; Master’s preferred.
• 10-12+ years in network security or firewall engineering with 5+ years in leadership.
• Proven experience with large-scale firewall/perimeter security infrastructures.
• Experience with NGFW platforms (Palo Alto, Fortinet, Cisco, Juniper).

Responsibilities

• Lead and manage the Firewall Engineering Team for enterprise firewall, IDS/IPS, and perimeter design, implementation, and operations.
• Implement NASA's firewall strategy in line with zero-trust principles and cybersecurity frameworks.
• Serve as senior escalation point for complex firewall, policy, and cross-domain issues.
• Develop and maintain firewall standards, baselines, and governance processes.
• Oversee migrations, data center/cloud integrations, segmentation, and modernization efforts.
• Support proposal development and Basis of Estimates related to firewall engineering.
• Drive automation, orchestration, change control, and monitoring improvements.
• Ensure compliance with NASA, Federal, and organizational security policies.
• Mentor and develop staff; deliver briefings and recommendations to leadership.

Skills

Firewall engineering

Technical leadership

Zero-trust security

Stakeholder engagement

Education

Bachelor's degree in Engineering/related field

Tools

Palo Alto

Fortinet

Cisco

Juniper

Job description

Job Title: Firewall Engineering Manager

Location: Greenbelt, MD

Leidos is seeking an experienced Firewall Engineering Manager to lead a team of security and network engineers responsible for designing, implementing, and maintaining NASA's enterprise firewall and perimeter security infrastructure. This role provides hands‑on technical leadership, operational oversight, and strategic direction to ensure the security, resilience, and reliability of NASA's Local Area Networks (LAN), Wide Area Networks (WAN), Mission Networks, and cloud‑connected environments.

Key Responsibilities

• Lead and manage the Firewall Engineering Team, providing oversight for enterprise firewall, IDS/IPS, and perimeter security system design, implementation, and operations.
• Implement NASA's firewall and perimeter security strategy in alignment with zero‑trust principles, mission requirements, and cybersecurity frameworks.
• Serve as the senior escalation point for complex firewall, policy, and cross‑domain security issues.
• Develop and maintain firewall standards, configuration baselines, rule governance processes, and lifecycle management practices.
• Oversee enterprise firewall migrations, data center and cloud integrations, segmentation initiatives, and modernization efforts.
• Support proposal development and Basis of Estimates (BOEs) related to firewall engineering and security architecture.
• Drive improvements in automation, orchestration, change control, and monitoring to enhance security and operational efficiency.
• Ensure compliance with NASA, Federal, and organizational security policies and directives.
• Mentor and develop engineering staff, fostering technical growth and operational excellence.
• Deliver technical briefings, reports, and recommendations to NASA and Leidos leadership.

Basic Qualifications

• Bachelor's degree in Engineering, Computer Science, Cybersecurity, or a related technical field (Master's preferred).
• 10‑12+ years of experience in network security or firewall engineering, including 5+ years in a technical leadership or management role.
• Proven experience managing or supporting large‑scale, mission‑critical firewall and perimeter security infrastructures.
• Strong expertise with next‑generation firewall platforms (e.g., PaloAlto, Fortinet, Cisco, Juniper).
• Solid understanding of routing/switching concepts, intrusion detection/prevention, segmentation, and zero‑trust security.
• Demonstrated ability to lead engineering teams in complex, high‑visibility environments.
• Experience supporting large infrastructure programs, including proposal development and BOEs.
• Excellent communication, leadership, and stakeholder engagement skills.
• U.S. Citizenship required; must be eligible for a NASA or Federal security clearance.

Preferred Qualifications

• Experience supporting government, aerospace, or NASA environments.
• Relevant industry certifications (e.g., CISSP, CCNP Security, PCNSE, JNCIS/JNCIP Security).
• Experience with cloud networking, cloud‑native firewall solutions, or SDN‑based security models.
• Experience managing geographically dispersed engineering teams.

Pay Range

$112,450.00 – $203,275.00

Equal Opportunity Employment

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider qualified applicants with criminal histories consistent with relevant laws.

Posted: November 25, 2025