Demo

Firewall Administrator

Harmonia Holdings Group, LLC
Washington, DC Full Time
POSTED ON 5/8/2026
AVAILABLE BEFORE 6/4/2026
Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.

We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.

Title: Firewall Administrator

Location: Washington, D.C. (Onsite)

Terms: Full-time

Clearance: Active Top Secret with SCI eligibility

Travel:

Position Description

We have an exciting full time opportunity for an experienced Firewall Administrator to join our growing team in DC supporting a highly secure, mission critical environment. The ideal candidate will manage and administer firewall solutions ensuring the secure and efficient operation of firewall systems to protect classified government information and networks.

What You'll Do

As the Firewall Administrator you will:

  • Administer and manage firewalls, including deployment, configuration, and maintenance.
  • Monitor, analyze, and troubleshoot firewall traffic to identify and mitigate security threats.
  • Implement and maintain firewall rules, policies, and configurations based on security best practices and organizational requirements.
  • Collaborate with security teams to ensure compliance with government security standards and protocols.
  • Perform regular security assessments and audits to ensure firewalls are properly configured and functioning.
  • Provide documentation and support for network architecture and firewall configurations.
  • Respond to security incidents and conduct root cause analysis to prevent future occurrences.
  • Maintain up-to-date knowledge of emerging security threats and technologies.

Required Qualifications:

  • Active Top Secret clearance with SCI eligibility.
  • Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent work experience).
  • 6 years network administration or network engineering experience
  • 3 years firewall administration.
  • Strong understanding of firewall configurations, rule sets, and network security best practices.
  • Excellent troubleshooting and analytical skills, with the ability to quickly resolve complex security issues.
  • Strong documentation skills to create and maintain firewall configuration and operational procedures.
  • Occasional after-hours work may be required for maintenance and upgrades.

Preferred Qualifications:

  • Experience with Palo Alto technologies and Palo Alto Panorama.
  • Palo Alto certifications such as Palo Alto Networks Certified Network Security Administrator (PCNSA) or Palo Alto Networks Certified Network Security Engineer (PCNSE).
  • Experience with other security technologies such as VPNs, IDS/IPS, and SIEM solutions.
  • Familiarity with automation tools and scripting for firewall management.
  • Knowledge of government cybersecurity policies, including NIST, FISMA, and DoD security frameworks.
  • Experience with monitoring tools and incident management in secure environments.

___________________________________________________________________________________________________________

Here at Revolutional we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day. Some of these recognitions include:

  • Recognized as a Top 20 "Best Place to Work in Virginia"
  • Recipient of Department of Labor's HireVets Gold Medallion
  • Great Place to Work Certification for five years running
  • A Virginia Chamber of Commerce Fantastic 50 company
  • A Northern Virginia Technology Council Tech 100 company
  • Inc. 5000 list of fastest growing companies for eleven years
  • Two-time SBA SBIR Tibbett's Award winner
  • Virginia Values Veterans (V3) Certification

We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Revolutional family! In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to

  • Traditional and HSA- eligible medical insurance plans
  • 100% employer-paid dental and vision insurance options
  • 100% employer-sponsored STD, LTD, and life insurance
  • 5% 401(k) company matching
  • Flexible-schedules and teleworking options
  • Paid holidays and PTO Accrual Plans
  • Paid Parental Leave
  • Professional development and career growth opportunities
  • Team and company-wide events, recognition, and appreciation-- and so much more!

Check out our Revolutional | LinkedIn to find out a little more about who we are and if we are the right next step for your career!

Revolutional is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Revolutional does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties in addition to those listed may be assigned as necessary to meet business needs. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you are in need of an accommodation, please contact HR@revolutional.com.

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