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.

Ability to obtain and maintain a Public Trust is required. Active Public Trust and/or DHS Suitability is preferred. U.S. citizenship or U.S. national status required. This role is remote.

The Senior System Administrator provides senior-level IT operations and ServiceNow platform administration support. The role supports enterprise IT/OT services with a focus on CMDB accuracy, ITSM/ITOM operations, system reliability, and compliance with federal standards.

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS220, T4, Band 7

Job-Specific Essential Duties and Responsibilities:

• Provide senior-level administration and operational support for ServiceNow ITSM and ITOM modules, ensuring platform stability, availability, and performance across the enterprise.
• Manage and maintain the Configuration Management Database (CMDB) as the authoritative source for configuration items, ensuring accurate data, reconciliation, and lifecycle management in accordance with agency processes.
• Configure and support workflows, integrations, user roles, access controls, and system enhancements within the ServiceNow platform to improve automation, standardization, and transparency of IT services.
• Support enterprise IT/OT service management operations, ensuring services meet agency requirements for reliability, scalability, and security.
• Perform troubleshooting, incident resolution, and root cause analysis for ServiceNow platform issues and IT service disruptions, documenting actions and outcomes in agency-approved systems.
• Support configuration, change, and release management processes, ensuring updates, enhancements, and fixes are properly tested, approved, documented, and deployed.
• Provide enterprise Software Asset Management (SAM) tool support and ongoing maintenance as required.
• Ensure compliance with agency and federal IT standards, policies, and directives, and support continuous service improvement initiatives.

• Senior-level experience administering and supporting ServiceNow ITSM and ITOM modules in an enterprise IT environment, including platform configuration, workflow management, user/role administration, and operational support.
• Demonstrated experience managing and maintaining an enterprise Configuration Management Database (CMDB), including configuration item lifecycle management, data accuracy, reconciliation, and governance in accordance with established IT service management processes.
• Experience supporting IT Service Management (ITSM) and IT Operations Management (ITOM) functions to ensure enterprise services meet reliability, scalability, and security requirements.
• Proven ability to support incident, problem, change, configuration, and release management processes, including troubleshooting, root cause analysis, documentation, and coordination across technical teams.
• Experience administering enterprise platforms in compliance with federal IT standards, policies, and directives, supporting auditability and operational transparency.
• Experience supporting enterprise monitoring, asset management, or software asset management (SAM) tools, including maintenance and operational support.
• Ability to document system configurations, operational procedures, and service management activities using government-approved systems and tools.
• Bachelor’s degree in Information Technology, Computer Science, or a related discipline (or equivalent experience)
• 8+ years of progressive experience in systems administration and enterprise IT operations, including senior-level platform or tool administration

Preferred Skills and Qualifications:

• Advanced experience administering ServiceNow ITSM/ITOM modules in a large enterprise environment
• Strong CMDB governance, data integrity, and discovery/reconciliation experience
• Experience supporting federal IT environments and compliance with agency standards
• Familiarity with configuration, change, and release management processes
• Experience supporting enterprise monitoring, asset management, and service reliability initiatives
• Strong documentation, communication, and stakeholder coordination skills

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$70,000

Maximum Salary

$100,000