Journeyman System Administrator

The Journeyman System Administrator will be supporting enterprise Patch and Upgrade Management operations. Responsible for executing vulnerability remediation, system patching, image maintenance, and post-deployment validation across large-scale endpoint, server, cloud, and on-prem environments., * 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.

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, * 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 and 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

$70,000

Maximum Salary

$100,000

Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Our work focuses on sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment to mission success for our customers. Joining Maximus means becoming part of a collaborative, mission-driven organization where teamwork, accountability, and professional growth are core to how we operate. We invest in our workforce through training, education, and career development, empowering professionals to deliver high-impact solutions while contributing to outcomes that matter at a national scale. This position is contingent upon contract award and position availability. Selected candidates will receive a contingent offer of employment, which will become final only upon successful contract award to Maximus, availability of the position, and receipt of authorization to proceed.