Lead Firewall Engineer - Network Security Expert Job at Leidos, Washington DC

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  • Leidos
  • Washington DC

Job Description

Salary: $131,300 - 237,350 per year Requirements:

  • Active DoD Top Secret security clearance with the ability to obtain TS/SCI (active TS/SCI preferred)
  • DoD 8570 IAT II or higher certification before starting
  • Juniper, Cisco, or Palo Alto certification prior to beginning
  • Bachelors degree and 12+ years of relevant experience (additional military or relevant work experience may substitute for a degree)
  • 3+ years of firewall experience within the DoD environment
  • Proven ability to lead a Firewall Team in a similarly sized organization
  • Experience implementing perimeter and internal firewalls in both physical and virtual environments
  • Advanced expertise in managing standard baseline configurations across multiple firewalls
  • Advanced skills in evaluating firewall rules for optimal security with minimal redundancy
  • Background in researching and deploying new innovative firewall technologies
Responsibilities:
  • Design, implement, and manage firewall solutions using Cisco ASA/Firepower, Juniper SRX, and Palo Alto
  • Monitor firewall performance and security logs to detect and address potential threats
  • Create and uphold network security policies and procedures
  • Conduct system audits to ensure adherence to standards and regulations
  • Collaborate with other IT, Security, and Network teams to integrate firewall solutions
  • Troubleshoot and resolve network and firewall issues efficiently while documenting them in ticketing systems
  • Maintain and update firewall configurations, including security policies and firewall ACLs as approved by Change Management
  • Serve as a People Leader for staff involved in the Firewall Task Area:
  • - Act as the primary contact for all firewall-related tasks, operations, projects, and assessments
  • - Ensure timely delivery of all tasks
  • - Provide written reports and oral briefings to the Government Task Lead and PMO Team
  • - Perform annual performance reviews with periodic check-ins
  • - Validate and approve time charging for Leidos and vendor personnel
  • - Offer coaching and mentoring to team members
  • - Develop and implement continual service improvement technical strategies to enhance operational processes and achieve strategic project goals
Technologies:
  • Cisco
  • Firewall
  • Network
  • Security
  • Support

More:

Leidos Digital Modernization sector is on the lookout for a Senior Firewall Engineer to bolster our GSM-O effort. This position is based at the Pentagon and is entirely on-site. We pride ourselves on delivering IT products, services, and solutions to the Pentagon and other DoD offices, helping them fulfill their mission needs. Our Cybersecurity team engages in defensive actions to prevent, detect, and respond to adversarial threats. At Leidos, we believe in pushing boundaries and innovating without limits, ensuring our team excels in a dynamic environment.

last updated 12 week of 2026

Job Tags

Full time, Work experience placement

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