System Administrator III

Company: Wrenchio LLC
Location: Annapolis Junction
Posted on: February 18, 2026

Job Description:

Job Description Job Description Description: The role of the System Administrator includes supporting the implementation, troubleshooting, and upkeep of Information Technology (IT) systems. This involves overseeing the IT system infrastructure and associated processes, providing assistance for day-to-day operations, monitoring, and resolving issues related to client/server/storage/network devices, as well as mobile devices. The role entails diagnosing and resolving problems, configuring, and managing UNIX and Windows operating systems, installing, and maintaining operating system software, ensuring integrity, and configuring network components. Additionally, System Administrators implement enhancements to operating systems to enhance reliability and performance. Requirements: -Provide expert in troubleshooting IT systems - Able to review IAVAs and write POAMs as needed - Experience with LINUX Administration - Maintain and troubleshoot servers running CentOS or RHEL - Manage the daily activities of configuration and operation of IT systems - Provide thorough analysis and feedback to management and internal customers regarding escalated tickets - Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems - Extend support for dispatch system and hardware issues, remaining actively engaged in the resolution process - Handle configuration and management of UNIX and Windows (or other relevant) operating systems, including installation/loading of software, troubleshooting, maintaining integrity, configuring network components, and implementing enhancements to improve reliability and performance Qualifications: - Ten (10) years of experience of professional experience as a SA. - Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree. Security/equivalent or higher required - Security Clearance Required * EOE/Affirmative Action, including disability/vets

Keywords: Wrenchio LLC, Reading , System Administrator III, IT / Software / Systems , Annapolis Junction, Pennsylvania