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Full time
Engineering
LE

Firewall Engineer

LeidosArlington, VA🇺🇸United StatesPosted Apr 2, 2026

Quick Overview

Salary
$92.3k - $166.8k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
On Site
Location
Arlington, VA, United States

Job Description

Firewall Engineer | Arlington, VA, United States | On-site | $92,300.00 - $166,850.00

This employer is a leading technology provider known for its innovative solutions and commitment to national security. They are seeking a skilled Firewall Engineer to join a critical program focused on transforming secure web services and modernizing IT infrastructure for a major government agency. This is an opportunity to work on cutting-edge technology within a dynamic and high-impact environment.

  • *The Role**
  • Identify and remediate firewall and load balancer misconfigurations, security gaps, and optimize rule-sets.
  • Provide Tier 3 support for network operations and administrations.
  • Maintain all hardware and software components at vendor-supported levels.
  • Support mission-critical Continuity of Operations (COOP).
  • Conduct regular assessments of firewalls and generate improvement recommendations.
  • Develop and participate in After Action Reports (AARs).
  • Provide expert advice on the management and operation of Palo Alto devices.
  • Evaluate current technologies and processes to identify gaps and strategize for future cybersecurity operations.

  • *What You'll Need**
  • Bachelor's degree and 8+ years of directly relevant experience, or equivalent experience in lieu of a degree.
  • 5+ years of hands-on Cisco / Palo Alto Firewall experience in engineering and operational roles.
  • Strong knowledge of Palo Alto concepts and best practices, including Panorama, IPSec VPNs, and firewall HA.
  • Experience working in a high-tempo, Top Secret environment.
  • Active DOD Top Secret level security clearance, eligible for TS/SCI.
  • Willingness to take and maintain a CI/Poly.
  • 8570 IAT Level II Baseline Certification.

  • *What's On Offer**
  • Competitive salary range of $92,300.00 - $166,850.00.
  • Opportunity to work on advanced cybersecurity technologies with a prominent government contractor.
  • Focus on professional growth within a mission-critical program.
  • Comprehensive benefits package including health, wellness, and retirement programs.

Apply via Haystack today!

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