Senior System Administrator
$70k - $100kMAXIMUS
Maximus TCS (Technology and Consulting Services) 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. Minimum Requirements 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. 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 information and other legally protected characteristics. Pay Transparency Maximus compensation is based on various factors including job location, education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis, seniority and merit systems, as well as internal pay alignment. Annual salary is one component of Maximus's total compensation. Other rewards may include short- and long-term incentives as well as program-specific awards. Compensation ranges may differ based on contract value but will be commensurate with the job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Maximus will comply with regulatory minimum wage rates and exempt salary thresholds in all instances. Accommodations Maximus provides reasonable accommodations to individuals requiring assistance during any stage of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment process—including accessing job postings, completing assessments, or participating in interviews—please contact People Operations at View email address on click.appcast.io. Compensation Minimum Salary $70,000.00. Maximum Salary $100,000.00. #J-18808-Ljbffr
$68.9k - $131.1k
...DoD Directive 8140 / 8570 certification (CompTIA Security+ CE or equivalent) within 6 months. What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Work with Windows Server internals or Linux...SeniorFull timeTemporary workFlexible hours$68.9k - $131.1k
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$68.9k - $131.1k
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$68.9k - $131.1k
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...technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting SIPR and other information...SeniorFull timeTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$68.9k - $131.1k
...Date Posted: 2026-05-20 | Country: United States of America | Location: Tucson, AZ | Position: System Administrator, High Performance Computing (HPC) – P2 Senior Analyst Role Type: Onsite | Citizenship: U.S. Citizen required | Clearance: Secret (Active and transferable...SeniorTemporary workRelocationRelocation packageFlexible hours$107.5k - $204.5k
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$86.8k - $165.2k
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$86.8k - $165.2k
...Location & Employment Type Location: Tucson, AZ. Position: Principal System Administrator (Infrastructure). Employment type: Full-time, Onsite. What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment...Full timeTemporary workFlexible hours$107.5k - $204.5k
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$132.4k - $251.6k
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$57.2k - $108.8k
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$110k
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$86.8k - $165.2k
...Management (SWCM), department, is hiring a Senior Digital Product Configuration Management... ...deliverable artifacts, Model Based Systems Engineering (MBSE) system models or related... ...build and versioning Provide DPCM Tool administration / management control/access to CM relevant...SeniorFull timeTemporary workWork experience placementWork at officeRemote workWorldwideRelocationFlexible hours- ...member for developing and implementing new technologies in a fast-paced environment. Responsibilities include troubleshooting HPC systems, collaborating with Cybersecurity professionals, and mentoring juniors. Qualified candidates should have a bachelor’s degree or relevant...
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