Network Firewall Administrator

DEU WiesbadenFull-time$102k–$138kPosted Jul 14, 2026
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Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Secret

Clearance Level Must Be Able to Obtain:

Secret

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Cisco Routers and Switches, Network Management, Virtual Private Networks (VPNs)

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

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

MEANINGFUL WORK AND PERSONAL IMPACT

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.

WHAT YOU’LL NEED TO SUCCEED:

  • Security Clearance: Secret Level Security Clearance with an SSBI/T5 investigation

  • Education: BA/BS, 5+ years experience.

  • Certification: Must possess DoD 8570 IAT Level II certification on Day 1; Must obtain ITIL Foundation certification within 90 days of hire

  • CCNA Security required; CCNP Security preferred.

  • Skills & Experience: 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..

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.

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

  • Growth: AI-powered career tool that identifies career steps and learning opportunities

  • Support: An internal mobility team focused on helping you achieve your career goals

  • Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off

  • Community: Award-winning culture of innovation and a military-friendly workplace


OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#DefenseOCONUS #GDITArmy

The likely salary range for this position is $102,000 - $138,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Total compensation for international positions varies by tax, social security, and immigration statuses, as well as location. Generally, an international assignment may include allowances, premium uplifts, and/or relocation or transportation benefits, above base salary range noted.

Scheduled Weekly Hours:

40

Travel Required:

10-25%

Telecommuting Options:

Onsite

Work Location:

DEU Wiesbaden - Wiesbaden Army Airfield (APC180)

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

 

 

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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