External Job Posting Title Senior Systems Engineering Support (OS) / Active Secret

Peraton; Wiesbaden; Vor Ort; EUR 97.000 - 154.000; Vollzeit

Zusammenfassung

Peraton is hiring for a Senior Systems Engineering Support (OS) role based in Wiesbaden, Germany, within the RCC-E program. You will manage OS lifecycles, enforce STIG/IAVA, maintain AD and virtualization environments, and develop RMF documentation for ATO.

Requires DoW 8140 and active secret clearance; German location on-site with 2nd/3rd shifts possible. Experience with Windows/Linux servers, AD, VMware/Hyper‑V, and federal security controls is essential.

Qualifikationen

• Bachelor’s degree (STEM/Business Admin) with 8 years of relevant experience.
• 4 extra years may substitute for degree; DoW 8140 IT Administrator - Advanced.
• Active DoW Secret clearance and U.S. citizenship required.
• Certifications from the list (M365 Admin/SAO, Azure Architect, Windows Server Hybrid Admin).
• Minimum 5 years UNIX/Microsoft Server OS experience; 2+ years MS Server products.

Aufgaben

• Oversee OS lifecycle for Windows Server and UNIX/Linux across RCC-E enclaves.
• Enforce STIG compliance and IAVA patch management with ISSM/ISSO.
• Administer AD infrastructure: DCs, GPOs, DNS, DHCP, PKI for thousands of users.
• Design and manage virtualization: VMware vSphere/Hyper-V, clustering.
• Prepare RMF documentation: SSPs, POA&Ms, inventories for ATO.
• Support Exchange, SharePoint, and collaboration platforms; plan capacity.

Kenntnisse

Windows Server

UNIX/Linux

Active Directory

RMF/ATO support

PowerShell scripting

Security/STIG compliance

Ausbildung

Bachelor’s degree in STEM or related

10 years associative path substitute option

Tools

VMware vSphere

Hyper-V

MECM

SCOM

Active Directory DCs

DISA STIG Viewer

Jobbeschreibung

Responsibilities

Peraton is currently hiring for a Senior Systems Engineering Support (OS) role with its' Regional Cyber Center-Europe program.

• Location: On-site, Wiesbaden, Germany
• Shift work – 2nd and 3rd shift possible

Responsibilities:

• Manage the full OS lifecycle for enterprise Windows Server and UNIX/Linux systems across multiple RCC-E enclaves, including installation, configuration, patching, and decommissioning in accordance with Army IT standards
• Implement and enforce STIG compliance and IAVA patch management across all managed server platforms, coordinating with the ISSM/ISSO to maintain an acceptable security posture and support RMF authorization activities
• Administer and maintain Active Directory infrastructure including domain controllers, Group Policy Objects (GPOs), DNS, DHCP, and PKI services supporting thousands of users across the OCONUS enterprise
• Design, deploy, and manage virtualization environments (VMware vSphere/Hyper‑V), including VM provisioning, resource optimization, snapshot management, and support for high‑availability clustering
• Develop and maintain RMF documentation packages including System Security Plans (SSPs), POA&Ms, and hardware/software inventories to support Authority to Operate (ATO) maintenance and continuous monitoring
• Support enterprise services including Microsoft Exchange, SharePoint, and collaboration platforms, performing capacity planning, performance tuning, and integration with identity management systems

#RCC-E

Qualifications

Required:

• Bachelor’s degree (STEM/Business Admin) and 8 years of relevant experience
  • An associate’s degree 10 years specialized experience.
  • An additional 4 years of experience may substitute for degree
  • Must meet TESA requirements
• DoW 8140 - IT (System Administrator) - Advanced
• Certifications — must hold one active certification (one of the following):
  • Microsoft 365 Certified: Administrator Expert; OR
  • Microsoft 365 Certified: Security Operations Analyst Associate; OR
  • Azure Solutions Architect Expert; OR
  • Microsoft Certified: Windows Server Hybrid Administrator
• Minimum of 5 years of specific UNIX/Microsoft Server OS experience
• Minimum of 2 years of experience with Microsoft Server products, HP-UX, or Solaris
• Minimum of 2 years with U.S. military C2 or commercial LAN/WAN systems
• U.S. citizenship required
• Active DoW Secret security clearance

Preferred:

• Proficiency with PowerShell scripting for automation of administrative tasks and compliance reporting
• Experience with VMware vSphere, vCenter, and ESXi host management in enterprise environments
• Familiarity with Microsoft Endpoint Configuration Manager (MECM) for software deployment and patch management
• Experience with System Center Operations Manager (SCOM) or equivalent enterprise monitoring platforms
• Knowledge of Microsoft Azure hybrid cloud integration, Azure AD Connect, and cloud-based identity services
• Experience with Group Policy design and management in large, multi-domain Active Directory environments
• Familiarity with DISA STIG Viewer, SCAP Compliance Checker (SCC), and automated compliance scanning tools
• Knowledge of Hyper‑V failover clustering and Windows Server high‑availability configurations

Peraton Overview

Peraton is a next‑generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.