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# Systems Administration Support (UNIX/Linux OS) / Active Secret

- **Company:** Peraton
- **Location:** Wiesbaden, Germany
- **Experience:** Experienced
- **Salary:** €80,000.0 - €128,000.0
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Unix, Configuration Management, Cyber Security, Domain Name System (DNS), HP-UX, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Oracle (Applications), Package Development Process, Red Hat Enterprise Linux, Ansible, Shell Script, Solaris (Operating System), VMware VSphere, Wide Area Networks, Scripting, System Availability, Patch Management, Nessus, Puppet, Scap Compliance Checker, User Administration
- **Published:** June 10, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=a5474dacf868340d

## About the Role

* Bachelor's degree (STEM/Business Admin) and a minimum of 4 years of UNIX/Linux systems administration experience
 + Associate's degree + 7 years specialized experience; OR
 + 11 years of experience (no degree)
 + Must meet TESA qualification
 * DoD 8140 - IT (System Administrator) - Advanced
 * Certifications - must hold active certifications (one of the following):
 + UNIX Certified Administrator
 + RHCE (Red Hat Certified Engineer)
 + RHCSA (Red Hat Certified System Administrator)
 + RHCA (Red Hat Certified Architect)
 * 4 years UNIX Server OS administration;
 * 2 years HP-UX, Solaris, or similar enterprise UNIX platforms;
 * 2 years U.S. military command and control or commercial LAN/WAN systems experience
 * U.S. citizenship required
 * Active Secret security clearance

Preferred:

 * Proficiency in Bash and Python scripting for systems automation and configuration management
 * Experience with Ansible or Puppet for automated UNIX/Linux configuration management at enterprise scale
 * Familiarity with Red Hat Satellite for patch management and system lifecycle administration
 * Working knowledge of VMware vSphere for managing virtualized UNIX/Linux workloads
 * Experience with DISA STIG compliance tools (SCAP Compliance Checker, ACAS/Nessus)
 * Familiarity with HP-UX and Oracle Solaris administration in a DoD or enterprise environment
 * Understanding of RMF processes and experience supporting ATO package development
 * Experience operating in an OCONUS DoD or Army enterprise IT environment

## Description

* Administer and maintain UNIX/Linux servers (Red Hat Enterprise Linux, HP-UX, Solaris) supporting DoDIN enterprise services across the RCC-E operational environment
 * Develop and execute patch management plans in compliance with IAVA directives, applying OS-level patches and security updates to minimize vulnerability exposure on classified networks
 * Implement and validate DISA Security Technical Implementation Guides (STIGs) for UNIX/Linux systems, conducting periodic compliance scans and remediating findings using ACAS/Nessus
 * Author and maintain shell scripts (Bash, Python) to automate routine administrative tasks including log rotation, user account provisioning, system health monitoring, and scheduled backups
 * Support enterprise services including DNS, NFS, NTP, and LDAP on UNIX/Linux platforms, ensuring high availability and performance for mission-critical Army command and control applications
 * Coordinate with the RCC-E Cybersecurity team to respond to security incidents, implement corrective actions, and ensure UNIX/Linux systems maintain Authority to Operate (ATO) status under the Risk Management Framework (RMF)


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