Senior System Administrator — Patch & Vulnerability Ops

Maximus; United States; On-site; USD 70,000 - 100,000; Full time

Job summary

Maximus is seeking a Journeyman System Administrator to support enterprise patch and upgrade management across large-scale endpoints, servers, cloud, and on‑prem environments. You will execute vulnerability remediation, build and deploy standardized images, and validate deployments to ensure security and stability.

Required: ability to obtain a Public Trust, U.S. citizenship or national status, and a BS in CS or IT.

Qualifications

• 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).
• On‑prem and cloud server administration.
• Change, configuration, and release management processes.
• System imaging, configuration baselines, and rollback procedures.
• Scripting in PowerShell, Bash, Python; ITSM and operational reporting.

Responsibilities

• 7+ years of system administration experience within enterprise IT 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.
• Perform manual Linux/UNIX patching across physical and virtual servers with validation/rollback.
• Track, document, and report patching activities and remediation status for compliance.
• Post-deployment validation, monitor impacts, ensure stability in production and non-production.
• Meet critical/high-severity remediation timelines and execute contingencies as needed.
• Support large-scale endpoints, workstations, mobile devices, and servers.

Skills

PowerShell

Bash

Python

Scripting experience

ITSM experience

Education

Bachelor's degree in Computer Science or related field

Tools

Ansible

Job description

Maximus is seeking a Journeyman System Administrator to support enterprise patch and upgrade management across large-scale endpoints, servers, cloud, and on‑prem environments. You will execute vulnerability remediation, build and deploy standardized images, and validate deployments to ensure security and stability.

Required: ability to obtain a Public Trust, U.S. citizenship or national status, and a BS in CS or IT.