Leidos
Firewall Engineering Architect at Leidos
Leidos is seeking an experienced Firewall Engineering Architect to provide senior‑level technical leadership, architectural oversight, and strategic direction for NASA’s enterprise security and network modernization initiatives. This role is central to designing, evolving, and optimizing the firewall, security, and perimeter protection services that safeguard NASA’s Local Area Network (LAN), Wide Area Network (WAN), Mission Network, and cloud‑connected environments.
Key Responsibilities
Lead the Firewall Engineering Architecture Team, providing technical direction for enterprise firewall, IDS/IPS, and security control design and integration.
Define NASA’s enterprise firewall architecture strategy, ensuring alignment with zero‑trust, mission‑security, and risk management requirements.
Serve as the senior technical authority and escalation point for complex firewall, perimeter security, and cross‑domain protection issues.
Develop modernization roadmaps and standards for firewall performance, resiliency, rule/policy lifecycle management, and automation.
Oversee large‑scale firewall migrations, data center and cloud integrations, and enterprise segmentation initiatives.
Partner with NASA and Leidos leadership to support proposals, technical volumes, and Basis of Estimates (BOEs) related to security architecture efforts.
Drive innovation in areas such as firewall automation, orchestration, SDN‑based security, cloud‑native firewalls, and threat visibility enhancements.
Establish governance processes for rule validation, configuration baselines, policy stewardship, and continuous monitoring.
Mentor engineers, establish training pipelines, and promote technical rigor and standardization across the Firewall Engineering discipline.
Deliver data‑driven technical briefings and executive‑level recommendations to NASA and Leidos senior management.
Basic Qualifications
Bachelor’s degree in Engineering, Computer Science, Cybersecurity, or a related field (Master’s preferred).
12–15+ years of experience in enterprise network security or firewall engineering, with 8–10+ years serving in senior engineering, architectural, or leadership roles.
Proven experience designing and managing large‑scale, mission‑critical firewall and perimeter security infrastructures.
Deep expertise with next‑generation firewall platforms (e.g., Palo Alto, Fortinet, Cisco, Juniper) and enterprise‑grade security services.
Strong understanding of network architecture, routing/switching, zero‑trust principles, intrusion detection/prevention, and segmentation strategies.
Demonstrated ability to lead multidisciplinary engineering teams in complex, high‑visibility operational environments.
Experience supporting large IT infrastructure programs, including proposal development and BOE creation.
Excellent communication, leadership, and stakeholder engagement skills.
U.S. Citizenship required; must be eligible for NASA or Federal security clearance.
Preferred Qualifications
Experience supporting government, aerospace, or NASA environments.
Industry certifications such as CISSP, CCNP Security, JNCIS/JNCIP Security, PCNSE, or equivalent.
Familiarity with cloud security architecture, cloud‑native firewalls, and SDN‑based security models.
Experience leading geographically distributed engineering or security teams.
Original Posting November 24, 2025
Pay Range $89,700.00 – $162,150.00 (general guideline only; actual compensation may vary based on responsibilities, experience, and market factors).
About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, Leidos employs 47,000 global employees and reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025.
Pay and Benefits Competitive compensation and benefits, including Health and Wellness programs, Income Protection, Paid Leave, and Retirement plans. More details available at www.leidos.com/careers/pay-benefits.
Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment‑ information during any part of the employment application process. If you receive an unsolicited email requesting such details, report it to LeidosCareersFraud@leidos.com.
Commitment to Non‑Discrimination 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 for employment qualified applicants with criminal histories consistent with relevant laws.
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Leidos is seeking an experienced Firewall Engineering Architect to provide senior‑level technical leadership, architectural oversight, and strategic direction for NASA’s enterprise security and network modernization initiatives. This role is central to designing, evolving, and optimizing the firewall, security, and perimeter protection services that safeguard NASA’s Local Area Network (LAN), Wide Area Network (WAN), Mission Network, and cloud‑connected environments.
Key Responsibilities
Lead the Firewall Engineering Architecture Team, providing technical direction for enterprise firewall, IDS/IPS, and security control design and integration.
Define NASA’s enterprise firewall architecture strategy, ensuring alignment with zero‑trust, mission‑security, and risk management requirements.
Serve as the senior technical authority and escalation point for complex firewall, perimeter security, and cross‑domain protection issues.
Develop modernization roadmaps and standards for firewall performance, resiliency, rule/policy lifecycle management, and automation.
Oversee large‑scale firewall migrations, data center and cloud integrations, and enterprise segmentation initiatives.
Partner with NASA and Leidos leadership to support proposals, technical volumes, and Basis of Estimates (BOEs) related to security architecture efforts.
Drive innovation in areas such as firewall automation, orchestration, SDN‑based security, cloud‑native firewalls, and threat visibility enhancements.
Establish governance processes for rule validation, configuration baselines, policy stewardship, and continuous monitoring.
Mentor engineers, establish training pipelines, and promote technical rigor and standardization across the Firewall Engineering discipline.
Deliver data‑driven technical briefings and executive‑level recommendations to NASA and Leidos senior management.
Basic Qualifications
Bachelor’s degree in Engineering, Computer Science, Cybersecurity, or a related field (Master’s preferred).
12–15+ years of experience in enterprise network security or firewall engineering, with 8–10+ years serving in senior engineering, architectural, or leadership roles.
Proven experience designing and managing large‑scale, mission‑critical firewall and perimeter security infrastructures.
Deep expertise with next‑generation firewall platforms (e.g., Palo Alto, Fortinet, Cisco, Juniper) and enterprise‑grade security services.
Strong understanding of network architecture, routing/switching, zero‑trust principles, intrusion detection/prevention, and segmentation strategies.
Demonstrated ability to lead multidisciplinary engineering teams in complex, high‑visibility operational environments.
Experience supporting large IT infrastructure programs, including proposal development and BOE creation.
Excellent communication, leadership, and stakeholder engagement skills.
U.S. Citizenship required; must be eligible for NASA or Federal security clearance.
Preferred Qualifications
Experience supporting government, aerospace, or NASA environments.
Industry certifications such as CISSP, CCNP Security, JNCIS/JNCIP Security, PCNSE, or equivalent.
Familiarity with cloud security architecture, cloud‑native firewalls, and SDN‑based security models.
Experience leading geographically distributed engineering or security teams.
Original Posting November 24, 2025
Pay Range $89,700.00 – $162,150.00 (general guideline only; actual compensation may vary based on responsibilities, experience, and market factors).
About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, Leidos employs 47,000 global employees and reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025.
Pay and Benefits Competitive compensation and benefits, including Health and Wellness programs, Income Protection, Paid Leave, and Retirement plans. More details available at www.leidos.com/careers/pay-benefits.
Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment‑ information during any part of the employment application process. If you receive an unsolicited email requesting such details, report it to LeidosCareersFraud@leidos.com.
Commitment to Non‑Discrimination 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 for employment qualified applicants with criminal histories consistent with relevant laws.
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