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Senior Systems Administrator 102289 with Security Clearance

Information Technology Engineering CorporationColumbia, MD🇺🇸United StatesPosted 4 Aug 2026

Quick Overview

Work Type
Hybrid
Schedule
Employee
Level
Mid Senior

Job Description

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Since 1999, ITEC has delivered mission-critical support to the DoD and Intelligence Community. Now part of ManpowerGroup Public Sector (MGPS), we continue that work with expanded capabilities. Employees hired through this process will join MGPS and receive a comprehensive benefits package and competitive pay.  
U.S. Citizenship Mandatory: Due to our US federal government contract, candidates for this position are required to be a US Citizen and will be subject to a background investigation.  
Job Description: The Senior Systems Administrator is to provide support for the implementation, troubleshooting, and maintenance of Linux-based Information Technology (IT) systems, manage Linux IT system infrastructure, and any processes related to these systems. The Systems Administrator will configure and manage Linux operating systems, and will be responsible for installing operating system software, troubleshooting, maintaining integrity, and configuring network components, along with implementing operating system enhancements to improve reliability and performance.  
Job Responsibilities: Manage the daily activities of configuration and operation of IT systems. Provide Tier 3 (Subject Matter Expert) problem identification, diagnosis, and resolution of problems. Provide support to IT systems, including day-to-day operations, monitoring, and problem resolution for all of the client/server/storage/network devices, etc. Provide support for the escalation and communication of status to agency management and internal customers. Optimize system operations and resource utilization, and perform system capacity analysis and planning. Provide assistance to users in accessing and using IT systems. Provide in-depth experience in troubleshooting IT systems. Provide support for the system and hardware problems, and remain involved in the resolution process. Configure and manage Linux operating systems, install and load operating system software, troubleshoot issues, maintain the integrity of network components, and implement operating system enhancements to improve reliability and performance. Support the design of systems, mission architecture, and associated hardware. Analyze and resolve complex problems associated with server hardware, applications, and software integration.  
Required Skills: Fifteen (15) years of experience as an SA in programs and contracts of similar scope, type, and complexity is required. 15 years of Linux experience. Level 3 Tech Support. Active TS/SCI security clearance with a current polygraph is required.  
Education: Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.

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