Senior System Administrator
MAXIMUS
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 #techjobs #clearance #veteransPage #LI-remote
Minimum Requirements
TCS220, T4, Band 7
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 but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus's total compensation package. Other rewards may include short- and long-term incentives as well as program-specific awards. Additionally, Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with 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 phase 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 .
Minimum Salary
$
70,000.00
Maximum Salary
$
100,000.00
- ...Senior System Administrator The Senior System Administrator will perform installation, maintenance and repair of telecommunications systems. Key Responsibilities • Performs installation, maintenance and repair of telecommunications systems • Provide 24/7 mission...Senior
- ...and direction in the implementation and operation of computer systems; used for Community First Health Plans, Inc. (Community First)... ...best practices and regulatory compliance. Certifications such as MCSE, RHCE, AWS Certified SysOps Administrator, or similar are preferred.SeniorWork experience placement
- ...shareholders. Join our team and discover why we are a top veteran employer ( and Certified Great Place to Work ( Position : Senior System Administrator, Tier-3 Level Support Services. Location : San Antonio, TX (On-Site.) Clearance : U.S. Citizen with ability to...SeniorContract workFor contractorsWork experience placementWork at officeRemote workFlexible hoursShift work
- ...Senior Systems Administrator-IT Operations The Senior Systems Administrator-IT Operations works under the general direction of the Manager-IT Operations. Responsibilities include planning and designing the data center infrastructure and enterprise storage solutions...SeniorContract workTemporary workWork experience placement
$130k - $140k
Itezz, Inc. is looking for a System Administrator (SA) Skill Level 3 to provide support for implementation, troubleshooting, and maintenance of IT systems. The successful candidate will manage IT system infrastructure, providing both Tier 1 and Tier 2 support. Required...SeniorFull time$50k
Under limited supervision, responsible for activities related to Systems Administration and the integration with server operating systems and applications. May lead or mentor lower level team members. Applicants local to the San Antonio area are highly preferred. Although...SeniorBank staffLocal areaRemote workFlexible hours- A leading government solutions provider based in San Antonio is seeking a Tier 3 Level Systems Administration Support Services expert. This role involves providing advanced support for military healthcare systems and requires an ability to obtain a public trust. Candidates...Senior
- FLASH Technology Group in San Antonio, Texas, is seeking a System Administrator for the EMC/GEM desk. Candidates must have a TS/SCI clearance with active polygraph and be available for Tuesday to Saturday shifts from 9 PM to 5 AM. The ideal candidate will be responsible...SeniorShift work
- BUSINESS ENABLED ACQUISITIONandTECHNOLOGY Inc based in San Antonio, Texas is seeking an Intermediate Enterprise System Administrator. This crucial role manages advanced sustainment and troubleshooting of enterprise systems, ensuring their availability, reliability, and...Senior
- A leading Federal IT solutions provider is seeking a Systems Administrator III in San Antonio, TX. The role involves advanced management of Active Directory services, supporting data encryption processes, and ensuring compliance with DoD regulations. Candidates should possess...Senior
- A trusted federal partner is seeking candidates for a position requiring active TS/SCI clearance and significant IT systems administrative experience. This fully onsite role in San Antonio, TX demands proficiency in Microsoft and Linux systems, as well as AWS management...Senior
- A leading government contractor is seeking a Senior Systems Administrator in San Antonio, TX. This role involves managing Tier 2 support and requires 8 years of relevant IT experience. Candidates must be U.S. citizens able to obtain a Public Trust, and have certifications...SeniorFor contractors
- ...discover why we are a top veteran employer ( and Certified Great Place to Work ( ASRC Federal is currently seeking a Senior Systems Administrator - Tier-2 Level to support upcoming work located in San Antonio, TX. Position: Senior System Administrator, Tier-3...SeniorContract workFor contractorsWork experience placementRemote workFlexible hoursShift work
$120k - $200k
...Console and CLI to operate, maintain, and troubleshoot systems. Support development teams with system administration on AWS and Kubernetes. Adhere to best practices... ...(CKA), Red Hat Certified Engineer (RHCE) Seniority level Mid-Senior level Employment type Full-time...SeniorFull time$67k - $136.8k
...career wherever you want it to go. Join EY and help to build a better working world. Service Delivery Center –System Application Administrator – Senior Databricks System administrator The opportunity We are seeking a highly motivated System Application...SeniorSummer holidayRelocationMonday to FridayFlexible hoursWeekend work- A leading technology firm is looking for a System Administrator to support multiple Air Force training locations. This position requires an active secret clearance, previous system administration experience, and proficiency in IAT/M level III certification. Responsibilities...SeniorContract work
- ...looking for a technical expert responsible for managing computer systems and ensuring efficient operation. You will provide project... ...virtualization. Certifications like MCSE or AWS Certified SysOps Administrator are also valued. Join us in supporting effective health plans...Senior
- Texas Health and Human Services is seeking a Systems Administrator IV. This role involves advanced deskside support within a call center, requiring independent judgment for complex systems administration tasks. Ideal candidates will have experience with troubleshooting...Senior
- ...server and virtualization experience, displaying strong project management skills. Certifications like MCSE or AWS Certified SysOps Administrator will be advantageous. Join a team focused on improving health solutions and adhering to strict regulatory standards. #J-18808-...Senior
$67k - $136.8k
...your career wherever you want it to go. Join EY and help to build a better working world. Service Delivery Center - System Application Administrator - Senior Databricks System Administrator We are seeking a highly motivated System Application Administrator to join EY’s...SeniorSummer holidayRelocationMonday to FridayFlexible hoursWeekend work- ...we are a top veteran employer ( and Certified Great Place to Work ( ASRC Federal is currently seeking a Senior Enterprise Management Systems Administrator - Tier-3 Level to support upcoming work located in San Antonio, TX. Summary: This contract will provide...SeniorContract workFor contractorsWork experience placementRemote workFlexible hoursShift work
$147k
...Maximus is looking to hire a Senior AWS Cloud Systems Operations Administrator. This is an on-site position in San Antonio, Texas. This role requires a TS/SCI clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS221, T5, Band...Senior$94.4k - $120k
...Sr Systems Administrator San Antonio, TX Because You Deserve More Than Just a Job In order for you to join the ELEVI Team, you will need: You must be willing to work in the San Antonio, TX area You must have a current TS/SCI FS clearance Fifteen (1...SeniorContract workWork experience placementLocal area- Emtakllc is seeking an experienced System Admin L3 to provide telecommunications and network support for mission-critical infrastructure. This role requires candidates to have a high level of expertise in installations, maintenance, and operational coordination in a 24...Senior
- A leading technology solutions provider based in the United States is seeking a Tier 3 Level Systems Administration Support Services role. This position involves managing Active Directory and Entra ID architecture, ensuring compliance with data encryption services, and...Senior
- A leading government contractor in San Antonio is seeking a Senior System Administrator to provide Tier-3 level support in IT services. This role demands a U.S. citizen with a capacity to obtain a Public Trust clearance and a minimum of 8 years of relevant experience in...SeniorFor contractors
- Semper Valens Solutions is seeking a System Administrator for a full-time remote position, requiring a Top Secret/SCI Clearance. The ideal candidate will have over 10 years of IT systems administration experience across Microsoft and Linux platforms and a strong understanding...SeniorRemote jobFull time
- ...Job Description Job Description University Health is seeking an experienced Senior Systems Administrator with deep PeopleSoft expertise to support and enhance mission-critical financial, clinical, and administrative systems within a large, complex healthcare environment...Senior
- Feditc, LLC in San Antonio, Texas, is seeking a Windows Domain Controller/Active Directory Administrator. This role focuses on managing and optimizing ePolicy Orchestrator implementations in compliance with DoD standards. The ideal candidate will have over 5 years of experience...Senior
- ...Antonio, Texas is seeking a Tier 3 Level Enterprise Management Administration Support Services. The role requires experience in Active... ...involves ensuring compliance with security requirements, monitoring system uptime, managing risks, and providing Tier 3 support. This...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior System Administrator. Be the first to apply!
- system admin San Antonio, TX
- IT administrator San Antonio, TX
- IT infrastructure administrator San Antonio, TX
- application system administrator San Antonio, TX
- microsoft systems administrator San Antonio, TX
- systems administrator San Antonio, TX
- remote systems administrator San Antonio, TX
- server administrator San Antonio, TX
- computer systems administrator San Antonio, TX
- enterprise administrator San Antonio, TX

