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# Network Firewall Administrator

- **Company:** Gdit.
- **Location:** Wiesbaden, Germany
- **Experience:** Expert
- **Salary:** €102,000.0 - €138,000.0
- **Contract:** Permanent contract
- **Skills:** Application Firewall, Cisco PIX, Cisco IOS, Cisco Routers, Software Documentation, System Configuration, Data Centers, IP Addressing, Intrusion Detection Systems, Virtual Private Networks (VPN), Microsoft Visio, Packet Analyzer, Network Administration, Network Management System, Network Routers, In-Plane Switching (IPS), Firewalls (Computer Science), Information Technology, Firepower, Cisco Switches, Cisco
- **Published:** July 15, 2026
- **Apply:** https://dejobs.org/x/x/7572273D2E764B81877DF17626292312/job/

## About the Role

**Req ID:** RQ224306 **Type of Requisition:** Expatriate **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Cisco Routers and Switches,Network Management,Virtual Private Networks (VPNs) **Certifications:** CCNP Collaboration - Cisco Systems - Cisco Systems, CCNA Data Center - Cisco Systems - Cisco Systems **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



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