Minimum Requirements:
Education & Experience Requirements (TESA):

Bachelor’s degree in Computer Science, Cybersecurity, or related field and 8 years of relevant experience,ORAssociate’s Degree and 10 years relevant experience, ORHigh School Diploma and 12 years relevant experience.

Certifications (8140 DCWF Code 441):

DCWF Code: 441

Required Certifications:

SecurityX / CASP+

CCNP Security, CCSP, GCIA, GCED, GCIH

AND ONE of the following:

Network Firewall, IDS, F5-CA, F5-CTS, F5-CSE, BCCPA, CCNP Security, CCIE Security, Cisco CyberOps Professional

Hands-On Expertise:

Minimum 8years designing and administering Cisco ASA or Firepower Firewall, Cisco ISE in large-scale environments.

Experience with Cisco Firepower management platforms (FMC and FDM).

Understanding of network security principles, including ACLs, NAT, and IPS/IDS.

Deep understanding of 802.1X, RADIUS, TACACS+, TrustSec, Software-Defined Access.

Familiarity with command-line interfaces (like TMSH), networking concepts and protocols, and security principles.

Strong command of Cisco routing/switching, firewalls (ASA/FW-A), remote-access VPNs, IPS/IDS, F5 Big-IP, Blue Coat proxy.

In-depth knowledge of F5 Big-IP platforms and technologies like LTM, GTM, and TMOS.

Familiarity with PKI, certificate lifecycle management, and AAA integrations.

Soft Skills & Clearance:

Demonstrated analytical, troubleshooting, and communication experience and capabilities.

Ability to thrive in fast-paced, mission-critical settings.

U.S. citizenship required.

Active DoD Secret security clearance required.

We are seeking a highly skilled Network Security Firewall Engineer to join our team supporting the U.S. Army Europe Regional Cyber Center (RCC-E).



This role focuses on designing, implementing, and maintaining advanced network security solutions to ensure the integrity and availability of mission-critical systems.

Location:Wiesbaden, Germany(On-site at U.S. Army Europe Regional Cyber Center - RCC-E)
Key Responsibilities:
Cisco ASA & Firepower

Lead design, implementation, and maintenance of Cisco Firepower infrastructure.

Focus on threat prevention, intrusion detection/prevention, and policy management.

Perform OS upgrades on Cisco ASA, FTD, and FMC platforms.

Troubleshoot VPNs, policies, and connectivity issues related to FTD and FMC.

Conduct security audits and performance tuning for high availability.

Cisco Identity Services Engine (ISE)

Design, deploy, configure, and maintain ISE across the Army Top-Level Architecture (ATLA).

Implement 802.1X authentication for wired and wireless users.

Develop posture-assessment policies and TrustSec segmentation strategies.

Configure and administer TACACS+ and RADIUS for AAA services.

Integrate ISE with Active Directory, PKI, RAVPN, and other technologies.

Provide Tier-3 support for identity and access incidents.

Monitor ISE health and generate compliance reports.

F5 Load Balancers

Design and implement F5 BIG-IP solutions including LTM and GTM.

Configure virtual servers, pools, SNATs, and network settings.

Perform firmware upgrades and configuration changes.

Monitor traffic and troubleshoot F5-related performance issues.

Documentation & Collaboration

Maintain architecture diagrams, runbooks, and SOPs.

Participate in formal change-control processes.

Collaborate with network, application, and security teams to integrate solutions.

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📌 Network Security Firewall Engineer (NAC) / Active Secret (San Felipe Jalapa de Díaz)
🏢 Peraton
📍 San Felipe Jalapa de Díaz