Journeyman System Administrator

Essential Duties and Responsibilities Execute CVE-based patching by severity across client, server, cloud, and on-prem environments. Develop, test, maintain, and deploy system images and standardized configurations to support secure and consistent enterprise deployments. Perform manual Linux/UNIX patching activities across physical and virtual server environments, including validation and rollback when required. Track, document, and report patching activities and remediation status to support compliance and audit visibility. Conduct post-deployment validation, monitor system impacts, and ensure operational stability across production and non-production environments. Meet critical and high-severity vulnerability remediation timelines and execute contingency/rollback procedures as needed. Support large-scale endpoint and infrastructure environments, including workstations, mobile devices, voice/video endpoints, and physical/virtual servers. Minimum Requirements 7+ years of system administration experience within enterprise IT environments. Ability to obtain and maintain a Public Trust is required. An active Public Trust and/or DHS suitability is preferred. Must be a U.S. Citizen without dual citizenship. Bachelor's degree in Computer Science, Information Technology, or related field. Enterprise patch and vulnerability management (CVE, severity-based remediation). Windows Server and Linux/UNIX administration (manual patching experience required). Physical and virtual server administration (on-prem and cloud environments). Change, configuration, and release management processes. System imaging, configuration baselines, and rollback procedures. Compliance-driven documentation and reporting. Scripting experience (PowerShell, Bash, Python). Preferred Skills & Qualifications Scripting experience (PowerShell, Bash, Python). Exposure to configuration management or automation tooling (e.g., Ansible). Experience supporting large-scale endpoint environments (30k+ workstations, mobile, VoIP, VTC). Familiarity with ITSM platforms and operational reporting. Experience working in federally regulated IT environments. Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. Minimum Salary $ 70,000.00. Maximum Salary $ 100,000.00. #J-18808-Ljbffr