Senior Firewall Engineer – Palo Alto (Onsite Arlington)

Leidos LLC; Arlington (VA); On-site; USD 92,000 - 167,000; Full time

Benefits offered by this job

Health and Wellness programs

Paid leave and retirement benefits

Job summary

Leidos is seeking a Firewall Engineer to support the CESO GSM-O II contract in Arlington, VA. This role requires 10+ years of hands-on experience in virtualized and cloud environments with deep Palo Alto and Cisco firewall expertise.

You will optimize firewall/load balancer configurations, provide Tier 3 support, and ensure compliance with DoD STIGs and JSIG. The position is 100% onsite in Arlington, with occasional travel in the DC area.

Qualifications

• Bachelor's degree and 8+ years of directly relevant experience.
• 5+ years of hands-on Cisco / Palo Alto Firewall experience in both engineering and O&M.
• Active DoD Top Secret clearance or eligible for TS/SCI.
• Willing to obtain CI/Poly 8570 IAT Level II Baseline Certification.

Responsibilities

• Identify and remediate misconfigurations, security gaps, and optimize firewall configurations.
• Provide Tier 3 support to operations network administrations.
• Maintain hardware and software at vendor-supported levels.
• Support Continuity of Operations and security posture improvements.
• Produce monthly network device performance and traffic reports.

Skills

Palo Alto Firewall

Cisco Firewall

Firewall configuration

Panorama

Security best practices

Education

Bachelor's degree

Additional experience may be considered in lieu of degree

Tools

Palo Alto VM in AWS

PANORAMA

Job description

Leidos is seeking a Firewall Engineer to support the CESO GSM-O II contract in Arlington, VA. This role requires 10+ years of hands-on experience in virtualized and cloud environments with deep Palo Alto and Cisco firewall expertise.

You will optimize firewall/load balancer configurations, provide Tier 3 support, and ensure compliance with DoD STIGs and JSIG. The position is 100% onsite in Arlington, with occasional travel in the DC area.