CompTech Computer Technologies - Linux Administrator
Requirements
• Minimum 3 years of Linux systems administration experience. • Minimum 3 years of Linux shell scripting (BASH) experience. • Minimum 1 year of enterprise application administration experience. • Strong experience using the Linux command line and managing Linux file systems. • Experience working with Linux directories, permissions, file management, configuration files, and system utilities. • Experience creating, modifying, debugging, and maintaining shell scripts. • Strong troubleshooting skills involving Linux operating systems, applications, and network connectivity. • Ability to diagnose and resolve production issues in complex enterprise environments. • Strong analytical, problem-solving, and critical thinking skills. • Strong organizational skills with excellent attention to detail and follow-through. • Excellent written and verbal communication skills. • Ability to work independently while collaborating effectively within a technical team. • Experience administering IBM Transformation Extender (ITX) application servers. • Familiarity with Electronic Data Interchange (EDI) processing. • Experience working with one or more of the following data formats: • Experience supporting DoD or Federal Government enterprise environments. • Experience with system monitoring, automation, and operational documentation. • Previous experience serving as a technical lead or mentoring junior administrators. • Linux system performance tuning • Enterprise application support • Root cause analysis • Network connectivity troubleshooting • Configuration management • Change management • Incident response • Production operations support • Documentation development • Process improvement • DoD 8570/8140 IAT Level II certification (e.g., Security+ CE, CySA+, SSCP, or equivalent) prior to start or as required by the contract. • IAT Level II • Security+ CE, CySA+, SSCP, • Preferred: • Red Hat Certified System Administrator (RHCSA) • Red Hat Certified Engineer (RHCE) • LPIC-1 or LPIC-2 • Education: • Bachelor’s degree in information technology, Computer Science, Engineering, or a related discipline. • Four (4) additional years of relevant experience may be substituted for a degree, when applicable.
Responsibilities
• Install, configure, administer, and maintain Red Hat Enterprise Linux (RHEL) and other Linux-based servers supporting DLA eBusiness applications. • Monitor system health, performance, availability, and security to ensure reliable operation of production environments. • Perform system patching, upgrades, backups, and routine maintenance activities. • Troubleshoot Linux operating system, application, network connectivity, and infrastructure issues. • Administer Linux file systems, directories, permissions, and user access controls. • Create, modify, troubleshoot, and maintain BASH shell scripts to automate administrative and operational tasks. • Configure and maintain Linux configuration files, initialization (.ini) files, and application-specific configuration files. • Support enterprise application administration, including learning and administering IBM Transformation Extender (ITX) application server environments. • Analyze and troubleshoot Electronic Data Interchange (EDI) processing and translation issues involving MILS, ANSI X12, XML, and related data formats. • Support application deployments, upgrades, and production releases. • Work closely with application developers, database administrators, and network engineers to resolve production issues. • Maintain detailed technical documentation, standard operating procedures (SOPs), and system configurations. • Assist in disaster recovery planning, system restoration, and business continuity initiatives. • Participate in system monitoring, incident response, root cause analysis, and continuous process improvement efforts. • Provide technical leadership, knowledge sharing, and documentation support for team members.
Benefits
• $105,000 - $115,000 plus full benefits, PTO, 401k+
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