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Temporary/Casual
Administrative
Firewall Engineer with Security Clearance
TEKsystems c/o Allegis GroupAlexandria, VA🇺🇸United StatesPosted 13 Jul 2026
Quick Overview
Salary
€90/hr
Work Type
Hybrid
Schedule
Temporary/Casual
Level
Mid Senior
Job Description
Pay rate: $75-90/hr We are seeking a Senior Firewall Engineer to support the GSM-O effort. This position is located at the Pentagon. This role requires an engineer who can design, implement, and manage complex firewall solutions to ensure the security and integrity of network infrastructure. The ideal candidate has experience with firewall technologies including Cisco ASA, Juniper SRX, and Palo Alto, as well as a strong background in security networking. Primary Responsibilities: Design, Implement Manage 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. Perform system audits to ensure compliance with standards and regulations. Collaborate with other IT, Security and Network teams to integrate firewall solutions. Troubleshoot and resolve network and firewall related issues promptly and document within ticket systems. Maintain and update firewall configurations (security polices/firewall ACLs as approved by Change Management) Serve as a People Leader for personnel supporting the Firewall Task Area:
Serve as the focal point for all firewall tasks, operations, projects, and assessments.
Ensure all tasks are delivered according to timelines
Provide written reports and oral briefings to the Government Task Lead and PMO Team
Conduct annual performance assessments to include periodic check ins.
Provide coaching/mentoring to personnel.
Develop and Execute Continual Service Improvement technical strategies to modify and enhance operational processes and impact strategic project/program goals and business results.
Required Clearance and Certifications: Must have, at minimum, an active DoD Top Secret security clearance with ability to obtain TS/SCI. An active TS/SCI is preferred.
Must have DoD 8570 IAT II or higher certification prior to start.
Must have a Juniper, Cisco, or Palo Alto certification prior to start.
Required Qualifications: BS degree and 12+ years of directly relevant experience. Additional military or relevant work experience may be considered lieu of a degree.
3+ years of Firewall experience within the DoD environment
Demonstrated knowledge in planning, directing, and managing a Firewall Team in an organization similar in size to this acquisition
Demonstrated knowledge of Implementation of Perimeter and Internal Firewalls (both physical and virtual contexts)
Demonstrated advanced experience in managing standard baseline configuration across numerous firewalls
Demonstrated advanced experience in evaluating rules to ensure maximum security while minimizing redundancy in rules
Demonstrated experience with researching and fielding new and innovative firewall technology Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave) · This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) · Because an active or interim DoD clearance is required, U.S. Citizenship is required
Serve as the focal point for all firewall tasks, operations, projects, and assessments.
Ensure all tasks are delivered according to timelines
Provide written reports and oral briefings to the Government Task Lead and PMO Team
Conduct annual performance assessments to include periodic check ins.
Provide coaching/mentoring to personnel.
Develop and Execute Continual Service Improvement technical strategies to modify and enhance operational processes and impact strategic project/program goals and business results.
Required Clearance and Certifications: Must have, at minimum, an active DoD Top Secret security clearance with ability to obtain TS/SCI. An active TS/SCI is preferred.
Must have DoD 8570 IAT II or higher certification prior to start.
Must have a Juniper, Cisco, or Palo Alto certification prior to start.
Required Qualifications: BS degree and 12+ years of directly relevant experience. Additional military or relevant work experience may be considered lieu of a degree.
3+ years of Firewall experience within the DoD environment
Demonstrated knowledge in planning, directing, and managing a Firewall Team in an organization similar in size to this acquisition
Demonstrated knowledge of Implementation of Perimeter and Internal Firewalls (both physical and virtual contexts)
Demonstrated advanced experience in managing standard baseline configuration across numerous firewalls
Demonstrated advanced experience in evaluating rules to ensure maximum security while minimizing redundancy in rules
Demonstrated experience with researching and fielding new and innovative firewall technology Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave) · This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) · Because an active or interim DoD clearance is required, U.S. Citizenship is required
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