Senior Firewall Architect for Enterprise Security

Leidos; Huntsville (AL); On-site; USD 92,000 - 167,000; Full time

Benefits offered by this job

Health and Wellness programs

Income Protection

Paid Leave

Retirement

Job summary

Leidos is seeking an experienced Firewall Engineering Architect to provide senior-level leadership and architectural oversight 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 LAN, WAN, Mission Network, and cloud-connected environments.

The ideal candidate will serve as the lead architect for NASA’s Firewall Engineering domain, guiding a

Qualifications

• Bachelor’s degree in Engineering, Computer Science, Cybersecurity, or a related field.
• 8–12 years of enterprise network security or firewall engineering experience.
• Experience designing and managing large-scale firewall and perimeter security infrastructures.
• Deep expertise with next-generation firewall platforms (Palo Alto, Fortinet, Cisco, Juniper).
• Strong understanding of zero-trust, segmentation, IDS/IPS, and risk management.
• Excellent communication and leadership skills.

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.

Skills

Firewall engineering

Leadership

Stakeholder engagement

Enterprise security

Cloud and data center security

Education

Bachelor’s degree in Engineering, Computer Science, Cybersecurity, or related field

Master’s degree preferred

Tools

Palo Alto

Fortinet

Cisco

Juniper

Job description

Leidos is seeking an experienced Firewall Engineering Architect to provide senior-level leadership and architectural oversight 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 LAN, WAN, Mission Network, and cloud-connected environments.

The ideal candidate will serve as the lead architect for NASA’s Firewall Engineering domain, guiding a