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Firewall Engineer with Security Clearance

RMantra Solutions Inc.Arlington, VA🇺🇸United StatesPosted 17 Aug 2026

Why This Role Stands Out

This role offers a fantastic opportunity to enhance critical security infrastructure and gain deep expertise in firewall and load balancer management within a mission-driven environment. You'll thrive here if you possess strong analytical skills, a proactive approach to security, and a desire to contribute to national security objectives, making this an ideal next step in your cybersecurity career.

Quick Overview

Work Type
On Site
Schedule
Employee
Level
Mid Senior

Job Description

This position is 100% Onsite. This position is in Arlington, VA, with occasional/situational travel. Certificate 8570 IAT Level II Baseline Certification (e.g. CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP) Location: 4800 Mark Center Drive, Alexandria, VA 22311 Schedule 100% onsite Clearance US Citizens with DOD Top Secret/SCI Responsibilities Qualifications

  • Identify and remediate misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers
  • Provide Tier 3 support to members of the operations network administrations.
  • Maintain all HW and SW components at vendor supported levels.
  • Support mission-critical Continuity of Operations (COOP).
  • Conduct a minimum of two (2) assessment of firewall each month on CESO and customer devices and generate assessment reports and provide recommendations for improvements.
  • Support the creation of network device performance and traffic utilization monthly reports.
  • Develop and/or participate in After Action Reports (AARs)
  • Provide expert advice and direction regarding the management and operation of all Palo Alto devices in the DISA CESO enterprise architecture.
  • Interact with the customer point of contact to set objectives/goals based on Palo Alto Networks technologies and available technology roadmap for architecture and design discussions.
  • Evaluate current technologies and processes associated with DISA CESO to identify gaps.
  • Provide requirements and strategies for future cybersecurity operations.
  • Active participant in meetings with DISA CESO and mission partner working groups.
  • Adhere to applicable DOD STIGs, DISA applicable orders, and JSIG policy, guidelines, and regulations.

Basic Qualifications

  • Bachelor’s degree and 8+ years of directly relevant experience. Add’l experience may be considered in lieu of degree.
  • 5+ years of hands-on Cisco / Palo Alto Firewall experience in both engineering and Operations and maintenance roles.
  • Strong knowledge of Palo Alto concepts and best practices:
  • Panorama Installation
  • Panorama HA Config
  • Panorama Template and Template Stacks
  • Panorama Policy creation and push to group of Firewalls and Verify Push
  • Palo Alto Route configuration
  • Palo Alto IPSec Site to Site VPN Config and Troubleshooting
  • Palo Alto VM in AWS
  • Palo Alto IPS Configuration
  • Palo Alto Virtual Router / Systems
  • Palo Alto Firewall HA
  • Experience working in a high op-temp, Top Secret environment.
  • Candidate must possess an active DOD Top Secret level security clearance, and be eligible to obtain and maintain a TS/SCI
  • Candidate must be willing to take and maintain a CI/Poly
  • 8570 IAT Level II Baseline Certification (e.g. CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP) Preferred Qualifications
  • Prior experience with DISA and DISA’s support to mission partners

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