Firewall Engineer

Leidos

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profile Job Location:

Arlington, TX - USA

profile Monthly Salary: $ 92300 - 166850
Posted on: 19 hours ago
Vacancies: 1 Vacancy

Job Summary

The DISA IT Operation within Leidos Digital Modernization Group is seeking a Firewall Engineer to support the Compartmented Enterprise Services Office (CESO) Task Order for the GIG Service Management Operations II (GSM-O II) contract. This person should be a seasoned self-motivated professional with at least 10 years of hands-on engineering and testing experience in virtualized and cloud environments. A skilled engineer knowledgeable and experienced in developing and implementing Firewall/Networking Security Solutions.

With the CESO program the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment used to provide secure information sharing to the community into a more mature service offering to meet the DoD and IC community. As part of this task order Leidos will manage the commercial cloud migration and fully automate the continuous development & continuous integration environment fourth estate consolidation professionalize services ITIL/DevSecOps based processes improve the customer experience 1st call resolution and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model.

This position is 100% onsite in Arlington VA with occasional/situational travel within the Washington Metro Area.

PRIMARY RESPONSIBILITIES:

  • Identify and remediate 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
  • Provide Tier 3 support to members of the operations network administrations.
  • Maintain all HW and SW components at vendor supported levels.
  • Support mission-critical Continuity of Operations (COOP).
  • Conduct a minimum of two (2) assessment of firewall each month on CESO and customer devices and generate assessment reports and provide recommendations for improvements.
  • Support the creation of network device performance and traffic utilization monthly reports.
  • Develop and/or participate in After Action Reports (AARs)
  • Provide expert advice and direction regarding the management and operation of all Palo Alto devices in the DISA CESO enterprise architecture.
  • Interact with the customer point of contact to set objectives/goals based on Palo Alto Networks technologies and available technology roadmap for architecture and design discussions.
  • Evaluate current technologies and processes associated with DISA CESO to identify gaps.
  • Provide requirements and strategies for future cybersecurity operations.
  • Active participant in meetings with DISA CESO and mission partner working groups.
  • Adhere to applicable DOD STIGs DISA applicable orders and JSIG policy guidelines and regulations.

QUALIFICATIONS:

  • Bachelors degree and 8 years of directly relevant experience. Addl experience may be considered in lieu of degree.
  • 5 years of hands-on Cisco / Palo Alto Firewall experience in both engineering and Operations and maintenance roles.
  • Strong knowledge of Palo Alto concepts and best practices:
    • Panorama Installation
    • Panorama HA Config
    • Panorama Template and Template Stacks
    • Panorama Policy creation and push to group of Firewalls and Verify Push
    • Palo Alto Route configuration
    • Palo Alto IPSec Site to Site VPN Config and Troubleshooting
    • Palo Alto VM in AWS
    • Palo Alto IPS Configuration
    • Palo Alto Virtual Router / Systems
    • Palo Alto Firewall HA
  • Experience working in a high op-temp Top Secret environment.
  • Candidate must possess an active DOD Top Secret level security clearance and be eligible to obtain and maintain a TS/SCI
  • Candidate must be willing to take and maintain a CI/Poly
  • 8570 IAT Level II Baseline Certification (e.g. CCNA Security CySA GICSP GSEC Security CE CND SSCP)

Preferred Qualifications

  • Prior experienced with DISA and DISAs support to mission partners

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

May 21 2026

For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92300.00 - $166850.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.


Required Experience:

IC

The DISA IT Operation within Leidos Digital Modernization Group is seeking a Firewall Engineer to support the Compartmented Enterprise Services Office (CESO) Task Order for the GIG Service Management Operations II (GSM-O II) contract. This person should be a seasoned self-motivated professional wit...
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About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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