← Back to Jobs
Full time
Engineering
Lead Firewall Engineer
LeidosAlexandria, VA🇺🇸United StatesPosted 28 Mar 2026
Why This Role Stands Out
Advance your career as a Lead Firewall Engineer at Leidos, where you'll lead critical security initiatives and gain extensive experience with cutting-edge firewall technologies. This impactful role is perfect for a seasoned engineer with expertise in Cisco, Juniper, and Palo Alto, eager to mentor a team and drive innovative security solutions within a reputable organization offering a competitive salary range. Take this opportunity to shape the future of network security and apply today!
Quick Overview
Salary
$131.3k - $237.3k/yr
Work Type
On Site
Schedule
Full Time
Level
Mid Senior
Job Description
Lead Firewall Engineer | Alexandria, VA, United States | On-site | $131,300.00 - $237,350.00
This employer is seeking a highly skilled Lead Firewall Engineer to join a critical program supporting a significant government agency. They are looking for an individual who thrives in a fast-paced, mission-driven environment and is dedicated to maintaining the highest levels of network security. This is an opportunity to lead a team and significantly impact the security posture of a vital infrastructure.
The Role
• Design, implement, and manage complex firewall solutions using Cisco ASA/Firepower, Juniper SRX, and Palo Alto.
• Monitor firewall performance and security logs to identify and mitigate potential threats.
• Develop and enforce network security policies and procedures, and perform system audits.
• Serve as a People Leader for personnel supporting the Firewall Task Area, providing guidance, performance assessments, and coaching.
• Collaborate with other IT, Security, and Network teams to ensure seamless integration of firewall solutions.
• Troubleshoot and resolve network and firewall-related issues, ensuring prompt documentation within ticket systems.
What You'll Need
• BS degree and 12+ years of directly relevant experience, or equivalent military/work experience.
• Active DoD Top Secret security clearance with ability to obtain TS/SCI (active TS/SCI preferred).
• DoD 8570 IAT II or higher certification prior to start.
• Juniper, Cisco, or Palo Alto certification prior to start.
• Demonstrated experience in managing firewalls within a DoD environment and implementing perimeter and internal firewalls.
• Advanced experience managing baseline configurations and evaluating rules for maximum security and efficiency.
What's On Offer
• Competitive salary and comprehensive benefits package.
• Opportunity to lead a dedicated team and drive impactful security initiatives.
• Professional development and learning opportunities within a leading technology organization.
• A dynamic work environment where innovation and speed are highly valued.
Apply via Haystack today!
Similar jobs
Senior Cyber Security Engineer (Splunk/TS) - USSOCOM EDAT Zero Trust
Kentro · Tampa, United States
1 hour agoCorp- Corp- Sr. Network Security Engineer with Financial client at Alpharetta, GA- Only Locals-
Algo Soft Solutions LLC · Alpharetta, United States
1 hour agoEDAT- Cyber Security Engineer- Tampa FL with Security Clearance
Barbaricum · Tampa, United States
2 hours agoCyber Intelligence Engineer with Security Clearance
MITRE Corporation · McLean, United States
3 hours ago$172.8k - $216k/yrCyber Security Engineer (supporting U.S. Space Force) with Security Clearance
ASRC Federal · Colorado Springs, United States
3 hours agoPrincipal Cyber Threat Intelligence Analyst with Security Clearance
MITRE Corporation · San Antonio, United States
3 hours ago$172.8k - $216k/yr