Network Firewall Administrator

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 a DoW 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.

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#GDITRecruiting

#GDITArmy

Salary

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.

Work Hours & Travel

Scheduled Weekly Hours: 40

Travel Required: 10-25%

Telecommuting Options

Onsite

Work Location

DEU Wiesbaden - Wiesbaden Army Airfield (APC180)

Additional Work Locations

None specified

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 benefit