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Senior Systems Administrator (Commercial Solutions for Classified)

CACI International Inc
Poznań, Polandfull_timeVerifiedPosted 7 Aug 2025
💰 $199,100/yr($94,800/yr$199,100/yr)

About the role

Senior Systems Administrator (Commercial Solutions for Classified)

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular-Long Term Assignment

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

The Opportunity: 

Are you interested in continuing your career in Europe in a mission focused environment? CACI has established upcoming positions throughout the European theater supporting multiple customers for the Department of Defense. We are looking for experienced, innovative and motivated IT Specialists to support enablement of USAREUR-AF and their Mission Partners mission objectives. 

 

CACI has an excellent opportunity for an experienced, self-directed,  

Systems Administrator (Commercial Solutions for Classified (CSfC)), Senior. This position is in support of the USAEUR Mission Partner the ARN located in Poznan, PolandThis position is located OCONUS. 

 

Responsibilities: 

  • Maintains, administers, and troubleshoots CSfC solutions 

  • Maintains technical expertise on CSfC solution architectures and designs  

  • Supports installing operating system software, patches, and upgrades, including cloud-based systems 

  • Provides support and tech expertise in systems technology, including virtual hardware and cloud capabilities, and documentation development, including user documentation, training materials, and compliance reports 

  • Manages network and systems configurations to improve performance and maintain compliance with security requirements 

  • Maintains network Active Directories (ADs), file servers, and print servers 

  • Assesses and supports testing of proposed configuration changes and documents configuration changes 

  • Ensures configurations enable automated updating (e.g., System Center Configuration Manager) 

  • Administers and maintains virtualization platforms (e.g., VMware) 

  • Ensures system backups, recovery, and storage provisioning are adequate to support Continuity of Operations (COOP) and Disaster Recovery (DR) plans 

  • Supports COOP and DR reviews and exercises, including developing plans or scenarios, and implements changes identified and approved as a result of exercises 

  • Performs routine audits of operating systems, servers, and applications, including forensic audits and reports or resolutions for incidents 

  • Analyzes, troubleshoots, and resolves system hardware, software, and networking issues, including system outages 

  • Monitors response times, evaluating user satisfaction levels and making recommendations for system improvements 

  • Interfaces with vendors/Government/technical staff on technical solutions, system implementation, optimization, and ongoing management 

  • May participate and contribute to discussions and evaluations of new technologies 

  • Mentors less experienced personnel 

  • Possesses and applies a comprehensive knowledge across key tasks and high-impact assignments 

  • Functions as a

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Company

CACI International Inc

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