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Full time
Engineering

Lead Firewall Engineer

LeidosLorton, VA🇺🇸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 | Lorton, VA, United States | On-site | $131,300.00 - $237,350.00 This employer is a leader in digital modernization, known for its innovative solutions and commitment to supporting critical government missions. They are seeking a skilled and experienced Lead Firewall Engineer to enhance network security and lead a technical team on a significant program. This is an opportunity to work at the forefront of cybersecurity defense within a highly respected organization. The Role • Design, implement, and manage complex firewall solutions (Cisco ASA/Firepower, Juniper SRX, Palo Alto). • Monitor firewall performance, analyze security logs, and mitigate potential threats. • Develop and enforce network security policies and procedures, ensuring compliance with standards and regulations. • Lead and mentor personnel supporting the Firewall Task Area, serving as the primary focal point for all related tasks and projects. • Collaborate with cross-functional IT, Security, and Network teams to integrate firewall solutions. • Troubleshoot and resolve network and firewall-related issues and maintain firewall configurations. What You'll Need • Bachelor's degree with 12+ years of directly relevant experience, or equivalent work experience. • Minimum of 3 years of firewall experience within a DoD environment. • Demonstrated knowledge in leading a Firewall Team and implementing perimeter and internal firewalls (physical and virtual). • Advanced experience managing baseline configurations across numerous firewalls and evaluating rules for optimal security. • 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 range of $131,300.00 - $237,350.00. • Opportunity to lead a technical team and drive strategic security initiatives. • Comprehensive benefits package including health, wellness, income protection, paid leave, and retirement. • Work on a vital program supporting national security missions. Apply via Haystack today!

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