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# Lead Firewall Engineer in Temple Hills

- **Company:** Energy Jobline
- **Location:** Temple Hills, MD, United States
- **Experience:** Expert
- **Salary:** $131,300.0 - $237,350.0
- **Contract:** Permanent contract
- **Skills:** Cisco PIX, Cyber Security, Network Security, Network Architecture, Firewalls (Computer Science), Juniper, Cisco
- **Published:** July 31, 2026
- **Apply:** https://www.energyjobline.com/job/lead-firewall-engineer-temple-hills-31292178

## About the Role

Leidos' Digital Modernization sector is seeking a Senior Firewall Engineer to support the GSM-O effort. This position is located at the Pentagon and is 100% on-site. This role requires an engineer who can design, implement, and manage complex firewall solutions to ensure the security and integrity of network infrastructure. The ideal candidate has experience with firewall technologies including Cisco ASA, Juniper SRX, and Palo Alto, as well as a strong background in security networking., * Must have, at minimum, an active DoD Top Secret security clearance with ability to obtain TS/SCI. An active TS/SCI is .
\n

 * Must have DoD 8570 IAT II or higher certification prior to start.
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 * Must have a Juniper, Cisco, or Palo Alto certification prior to start.
\n, * BS degree and 12+ years of directly relevant experience. Additional military or relevant work experience may be considered lieu of a degree.
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 * 3+ years of Firewall experience within the DoD environment
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 * Demonstrated knowledge in planning, directing, and managing a Firewall Team in an organization similar in size to this acquisition
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 * Demonstrated knowledge of Implementation of Perimeter and Internal Firewalls (both physical and virtual contexts)
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 * Demonstrated advanced experience in managing standard baseline configuration across numerous firewalls
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 * Demonstrated advanced experience in evaluating rules to ensure maximum security while minimizing redundancy in rules
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 * Demonstrated experience with researching and fielding new and innovative firewall technology
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## Description

Through the J6 Penetration Handling, Incident, System Health (PHISH) support services task order on the GSM-O contract, we provide IT products, services and solutions to the Pentagon and other DoD offices and agencies for them to meet mission and business requirements. Our Cybersecurity team performs cyber defensive actions in support of J6 to prevent, detect, respond and recover from adversarial activities.


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