Senior Systems Administrator

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS221, T5, Band 8

Job-Specific Essential Duties and Responsibilities:

- Design and implement enterprise-wide patching and upgrade strategies across on-premises, cloud, and hybrid environments.

- Architect, automate, and maintain patching and upgrade workflows using scripting, orchestration, and configuration management tools to support large-scale, repeatable deployments.

- Lead technical planning, testing, and execution of complex system upgrades, including operating systems, infrastructure platforms, and supporting services.

- Coordinate patch and upgrade activities through formal change, configuration, and release management processes, including documentation, rollback planning, and post-deployment validation.

- Monitor vulnerability sources (e.g., CVEs, KEVs, vendor advisories) and ensure timely remediation.

- Provide senior-level technical support and guidance to system administrators, serving as an escalation point for complex patching, upgrade, and configuration issues.

- Develop and maintain technical documentation, standard operating procedures, and reporting artifacts to support auditability, compliance, and continuous service improvement.

Job-Specific Minimum Requirements:

- 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.

- Enterprise patch and upgrade management across Windows and/or Linux environments.

- Experience remediating vulnerabilities in accordance with federal security directives.

- Automation and scripting for patching and configuration management (e.g., PowerShell, Bash, orchestration tools).

- Change, configuration, and release management in regulated enterprise environments.

- Systems engineering support for large-scale infrastructure deployments (on-prem, cloud, hybrid).

- Technical documentation and audit-ready reporting.

- Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field.

- 10+ years of progressive experience in systems engineering and enterprise system administration, with demonstrated focus on patching and upgrade management.

Preferred Skills and Qualifications:

- Experience supporting federal government agencies.

- Familiarity with enterprise ITSM tools (e.g., ServiceNow) for change and incident tracking.

- Experience with image development, system hardening, and baseline configuration management.

- Exposure to cloud platform patching and lifecycle management (Azure and/or AWS).

- Strong collaboration skills supporting cross-functional engineering and operations teams.

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Minimum Requirements

TCS221, T5, Band 8

EEO Statement

Maximus is an equal opportunity employer.

We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic in...