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Full time
Engineering

Lead Firewall Engineer

LeidosGreenbelt, MD🇺🇸United StatesPosted 28 Mar 2026

Quick Overview

Salary
$131.3k - $237.3k/yr
Work Type
On Site
Schedule
Full Time
Level
Mid Senior

Job Description

Lead Firewall Engineer | Greenbelt, MD, United States | On-site | $131,300.00 - $237,350.00 We're hiring on behalf of a globally recognised technology and industry leader that provides advanced digital and mission-focused innovations to government and commercial clients. This organisation is known for its relentless pursuit of innovation and its commitment to solving complex challenges in critical sectors. The Role • Design, implement, and manage complex firewall solutions using Cisco ASA/Firepower, Juniper SRX, and Palo Alto technologies. • Monitor firewall performance and security logs to proactively identify and mitigate potential threats. • Develop and enforce robust network security policies and procedures to maintain integrity. • Conduct system audits to ensure compliance with established standards and regulations. • Collaborate effectively with IT, Security, and Network teams for seamless integration of firewall solutions. • Serve as a People Leader for the Firewall Task Area, overseeing operations, projects, and assessments. What You'll Need • Bachelor's degree with 12+ years of directly relevant experience (or equivalent military/work experience). • At least 3 years of firewall experience within a DoD environment. • Demonstrated knowledge in planning, directing, and managing a Firewall Team. • Proven experience with perimeter and internal firewalls (physical and virtual). • Advanced experience in managing baseline configurations and evaluating firewall rules for optimal security. • An active DoD Top Secret security clearance with the ability to obtain TS/SCI. • DoD 8570 IAT II or higher certification and a Juniper, Cisco, or Palo Alto certification. What's On Offer • Competitive salary ranging from $131,300.00 to $237,350.00. • Comprehensive health and wellness programs. • Robust income protection and paid leave benefits. • Valuable retirement savings plans. Apply via Haystack today!

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