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Full time
Engineering
Lead Firewall Engineer
LeidosMount Rainier, 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 | Mount Rainier, MD, United States | On-site | $131,300.00 - $237,350.00
This employer is a leader in digital modernization, seeking a senior engineer to uphold the security and integrity of critical network infrastructure. Known for its innovation and commitment to mission success, this organization operates at the forefront of cybersecurity for government agencies. They are looking for individuals who are driven, disruptive, and ready to outpace the status quo.
The Role
• Design, implement, and manage firewall solutions with 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, performing system audits for compliance.
• Collaborate with IT, Security, and Network teams to integrate firewall solutions effectively.
• Serve as a People Leader for the Firewall Task Area, overseeing operations, projects, and assessments.
• Provide coaching, mentoring, and performance assessments for personnel supporting the firewall team.
What You'll Need
• BS degree with 12+ years of directly relevant experience (additional work experience may substitute for a degree).
• At least 3 years of Firewall experience within the DoD environment.
• Demonstrated knowledge in planning, directing, and managing a Firewall Team of similar organizational size.
• Advanced experience managing baseline configurations and evaluating rules across numerous firewalls for maximum security.
• Must possess an active DoD Top Secret security clearance with the ability to obtain TS/SCI.
• Must hold a DoD 8570 IAT II or higher certification and a Juniper, Cisco, or Palo Alto certification prior to starting.
What's On Offer
• Competitive salary within a significant pay range.
• Opportunity to work on impactful cybersecurity initiatives for government agencies.
• Professional development through leading innovative firewall technologies.
• A challenging and fast-paced environment that fosters continuous improvement.
Apply via Haystack today!
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