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From the employer's careers site First seen 1 Nov 2026

Firewall Engineer

Leidos Arlington, VA On-site senior full-time

Salary

$92,300 - $166,850 per year

Apply on Leidos

Description

We are seeking a seasoned Firewall Engineer to support the Compartmented Enterprise Services Office (CESO) Task Order for the GIG Service Management – Operations II (GSM-O II) contract. The successful candidate will have at least 10 years of hands-on engineering and testing experience in virtualized and cloud environments.

The CESO program aims to transform the existing Secure Web Services (SWS) environment into a more mature service offering to meet the DoD and IC community needs. As part of this task order, Leidos will manage the commercial cloud migration, automate the continuous development and continuous integration environment, and implement ITIL/DevSecOps-based processes.

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 hardware and software components at vendor-supported levels
  • Support mission-critical Continuity of Operations (COOP)
  • Conduct assessments of firewalls and generate assessment reports
  • Support the creation of network device performance and traffic utilization monthly reports
  • Develop and participate in After Action Reports (AARs)
  • Provide expert advice and direction regarding the management and operation of Palo Alto devices

Qualifications:

  • Bachelor's degree and 8+ years of directly relevant experience
  • 5+ years of hands-on Cisco/Palo Alto Firewall experience in engineering and operations and maintenance roles
  • Strong knowledge of Palo Alto concepts and best practices
  • Experience working in a high operational tempo, Top Secret environment
  • Active DOD Top Secret level security clearance and eligibility to obtain and maintain a TS/SCI
  • Willingness to take and maintain a CI/Poly
  • 8570 IAT Level II Baseline Certification

Pay Range: $92,300.00 - $166,850.00

Skills

Required

  • Palo Alto Firewall
  • Cisco Firewall
  • Network Security
  • Cloud Environment
  • ITIL/DevSecOps

Nice to have

  • DISA
  • Top Secret clearance
  • CI/Poly

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Arlington-VA/Firewall-Engineer_R-00192840

Apply on Leidos