Network Firewall Administrator - Secret Clearance - Wiesbaden, Germany

Clearance Level
Network Engineering
Wiesbaden, Germany
Onsite Workplace
Key Skills For Success

Cisco Routers and Switches

Network Management

Virtual Private Networks (VPNs)

REQ#: RQ140814
Requisition Type: Regular
Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description

GDIT is in need of a Network Firewall Administrator to support our Enterprise Mission Information Technology Services (EMITS) program in Wiesbaden, Germany.

The Network Firewall Administrator is responsible for the implementation of network firewalls across coalition and mission partner networks. Configures and troubleshoots firewalls and resolves any connectivity issues.  Monitors, manages, and troubleshoots perimeter security devices to include: firewalls, IDS/IPS, routers, and switches.  Implements firewall change requests.  Supports existing firewall devices, such as  Cisco ASA 5500 and Firepower 2100/4100, as well as Cisco IOS/IOS-XE/CatOS based routers and switches.  Uses network management tools and packet captures to resolve operational issues.   Supports Security Computer Incident Response Teams by implementing IP Address denials as directed.  Interfaces with end-users, systems administrators, and engineers for scheduling and implementing firewall modifications.

Monitors security system logs and status.  Performs daily tuning of firewall and IPS tools.  Monitors, troubleshoots and performs health checks on multiple perimeter security devices.  Performs recurring device maintenance activities such as applying system patches and device reboots. Routinely updates architecture diagrams using Visio.  Drafts, coordinates and publishes Outage Notifications as required.  Maintains standard operating procedures and guides.  Creates and maintains system documentation and architecture diagrams to support the RMF accreditation process.


  • Secret Level Security Clearance with an SSBI/T5 investigation

  • BA/BS, 5+ years experience.

  • CCNA Security required; CCNP Security preferred.

  • First-hand experience with supporting the monitoring and configuration of Firewall/DMZ infrastructure including Network and Application Firewall Packet Filtering technologies.  

  • Basic knowledge in configuring Cisco switches.

  • Must be able to meet German TESA requirements.

  • Must possess DoD 8570 IAT Level II certification on Day 1.

  • Must obtain ITIL Foundation certification within 90 days of hire.

TESA requirements:

  • A bachelors degree plus 3 years of recent specialized experience, OR;

  • An associates degree plus 7 years of recent specialized experience, OR; A major certification plus 7 years of recent specialized experience, OR; 11 years of recent specialized experience.

#DefenseOCONUS #GDITArmy

Work Requirements
Years of Experience

5 + years of related experience

* may vary based on technical training, certification(s), or degree


CCNP Collaboration - Cisco Systems

CCNA Data Center - Cisco Systems

Travel Required


About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.