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Job #: R-00029813
Location: Washington, DC
Category: Network Administration and Ops
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance Required: Secret
Referral Eligibility: Eligible
Group: Defense

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Job Description:

Leidos has a current job opportunity for a Firewall Engineer at the Pentagon.

This individual will serve as a Firewall Engineer on the DISA GSM-O program supporting the Joint Service Provider (JSP). The Firewall Engineer is responsible for supporting the Firewall and load balancer Assurance Program (FAP) to ensure Firewall and load balancer security compliance by performing firewall and load balancer automated and manual assessment to deter and prevent exposure to cyber-attacks.



  • Support the FAP by utilizing applicable DOD STIGs, NIST, DISA applicable orders, and NSA policy, guidelines, and regulations.
  • Identify misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers
  • Oversee and conduct a minimum of two (2) firewall and a minimum of two load balancer assessments every month on JSP and customer devices and generate assessment reports
  • Develop After Action Reports (AARs)
  • Provide recommendations for firewall changes to include JRSS firewalls



  • Bachelor's degree and 8+ years of Firewall experience; additional related years of experience is accepted in lieu of a degree
  • 3+ years of Firewall experience within the DOD environment
  • Must have a certification that satisfies DoD-8570 IAT Level 2 requirements upon start
  • Must have a certification that satisfies DoD-8570 CSSP Auditor requirements upon start
  • Must have a Juniper, Cisco, Palo Alto certification upon start
  • Demonstrated knowledge of Implementation of Perimeter and Internal Firewalls (both physical and virtual contexts)
  • Demonstrated advanced experience in managing standard baseline configuration across numerous firewalls
  • Demonstrated advanced experience in evaluating rules to ensure maximum security while minimizing redundancy in rules
  • Must have an active DoD Secret security clearance and be Top Secret – Sensitive Compartmented Information (TS/SCI) Eligible (DIA Adjudicated or capable of reciprocal acceptance by DIA)


External Referral Bonus:


Potential for Telework:


Clearance Level Required:



Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Network Administration and Ops


Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

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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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