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Firewall Administrator

Job in Alexandria, Fairfax County, Virginia, 22350, USA
Listing for: Quadrant, Inc.
Full Time position
Listed on 2026-05-05
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security
Salary/Wage Range or Industry Benchmark: 100000 USD Yearly USD 100000.00 YEAR
Job Description & How to Apply Below

Firewall Administrator

REMOTE

Pay From $100,000 Per Year

MUST
  • Firewall Administrator
  • Top Secret Clearance required
  • Required

    Certifications:

    IAT Level II certification or higher (one of the following): CCNA Security, CySA+, GICSP, GSEC, Security+CE, CND, SSCP, CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH, or CCSP.
  • Computing Environment (One of the following): CCSA, CCSE or CCSM
  • One of the following is preferred, but not required: AWS Cloud Practitioner, Microsoft Certified:
    Azure Fundamentals, or Comp TIA Cloud+
  • Five (5) years relevant experience to include:
    CheckPoint firewalls to include versions R80.40 and R81.10 and industry standard network environments to include firewall and security hardware/software.
  • Must have knowledge and understanding of Information Assurance Best Practices.
  • Must have in depth knowledge of LAN and WAN operations, understanding of how to use Incident Ticket Tracking systems for inputting incident tickets and creating work orders along with a comprehensive knowledge of DOD and DLA security regulations, guidelines, and policies to include, but not limited to, IA standards.
  • Required hands‑on experience with the installation, configuration, and day‑to‑day sustainment of network equipment, to include but not limited to firewalls, proxy servers, cloud services and other network appliances.
  • BS Degree
DUTIES
  • Plan and deploy Enclave Boundary Defense systems and programs including firewall, proxy server, cloud services and other devices and applications to all DLA enclaves.
  • Plan and deploy De‑Militarized Zones (DMZs) for each managed firewall as required.
  • Provide onsite and remote support to boundary security and programs, which include Checkpoint Firewalls, Aviatrix Product Suite, various types of cloud security, security controls and any other platforms.
  • Participate in the development, testing, and implementation of firewalls and proxy servers.
  • Verify devices are configured in accordance with DISA Security Technical Implementation Guides (STIGs).
  • Product lifecycle management and upgrades to include installation of hotfixes, patches, and any other features to improve product performance.
  • Evaluate and recommend firewall solutions for technology refreshes.
  • Deploy and sustain new firewall solutions as prescribed by the government.
  • Coordinate with Tier III support teams and government customers throughout design, planning, implementation, and sustainment phases.
  • Research and provide quotes and documents necessary to renew licenses and equipment maintenance for firewall, proxy and cloud services.
  • Maintain all current applicable firewall, proxy appliance and cloud services policies to include DoD; participate in the development, implementation, and maintenance of a secure and effective means of remote access for employees who are working offsite.
  • Develop and deliver briefings to upper‑level management as required on a variety of subjects relating to Enclave Boundary Defense.
  • Provide firewall troubleshooting (24/7/365 on‑call support).
  • Review and resolve automated firewall log issues as to threats or possible compromises.
  • Provide daily maintenance and support for all DLA Enterprise Boundary Defense systems including monitoring system and log files.
  • Notify appropriate personnel of possible threats or system vulnerabilities.
  • Respond appropriately to reported or identified incidents in accordance with the Incident response plan.
  • Conduct CSP Security Posture Assessment.
  • Security Architecture Documentation, Design and Implementation.
  • Cloud Security Operations and Monitoring.

Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act.

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