System Administrator
MAXIMUS
Maximus is seeking an experienced System Administrator to join our team! Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS221, T5, Band 8 Job-Specific Essential Duties and Responsibilities: The System Administrator provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing procedures, developing functional architectures, and other related management and technical duties. Responsible for supporting deployments of JCC2-R systems on the JCC2 AWS environment, if needed. Will be included as a member of the Fast Action Support Team and shall be responsible for providing critical and/or time sensitive analysis of application issues and providing recommendations for action such as, but not limited to, developing a hotfix or supporting a rollback. Responsible for providing support for the timely deployment of hotfixes/patches when necessary. Job-Specific Minimum Requirements: Must have an active TS/SCI Security Clearance. 10+ years of IT systems administrative experience with both Microsoft and Linux platforms. With 2 years proficient understanding of maintenance (patching, STIG, and upgrade processes) on AWS cloud infrastructure. 5 years’ experience working with DoD COCOM and other Service Cyber Components. Demonstrated experience and/or training in system administration and development best practices in AWS. Required Certifications: DoD IAT-II (Security+) Preferred Skills and Qualifications: AWS Solution Architect AWS SysOps Administrator certification Red Hat certification 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 . #J-18808-Ljbffr
$70k - $109.97k
...Description Job Title: Systems Administrator II Clearance Required: Secret Work Location: Onsite, San Antonio, TX Key Responsibilities: Maintain and troubleshoot enterprise level products and services, including hardware (servers) firmware, and software for both on-premise...SuggestedContract workWork experience placementRemote workFlexible hours- ...Aleut Federal, LLC Systems Administrator II Job Category: Technology Requisition Number: SYSTE003688 Posted: May 12, 2026 Schedule: Full Time Location: San Antonio, Texas 78201, United States Key Responsibilities Provide overall technical leadership for enterprise systems...SuggestedFull timeTemporary workLocal areaMonday to FridayWeekend work
- ...We need a team member that is excited about working at an MSP... More specifically, we need a System Administrator that is Humble, Hungry, and Smart! Do you want to work at a Security focused MSP that is growing, an MSP that has a framework to build processes and follow...SuggestedWork at officeRemote work
- ...Description We’re looking for a System Administrator who enjoys solving complex problems, strengthening infrastructure, and keeping mission‑critical systems running at peak performance. In this role, you’ll work with minimal supervision to provision, configure, maintain...SuggestedFlexible hoursNight shiftEarly shift
- ...this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Systems Administrator The Digital Modernization Sector within Leidos is seeking a System Administrator to support the DoD Mobility Classified...SuggestedShift workNight shift
- ...and direction in the implementation and operation of computer systems; used for Community First Health Plans, Inc. (Community First)... ...regulatory compliance. Certifications such as MCSE, RHCE, AWS Certified SysOps Administrator, or similar are preferred. #J-18808-Ljbffr...Work experience placement
- ...System Administrator Full Time Remote Top Secret/SCI Clearance This position is contingent upon contract award. Responsibilities Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement...Full timeContract workRemote work
$110k - $127k
...SRC, Inc. is currently seeking a certified System Administrator at Lackland AFB in San Antonio, TX. This position will support administration, configuration and maintenance and day-to-day operation of a complex, enterprise-capable, server environments consisting of application...Full timeLocal areaFlexible hoursShift work- ...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 obtain a Public...Contract workFor contractorsWork experience placementWork at officeRemote workFlexible hoursShift work
- ...services. This role ensures high availability, performance, security, and scalability across all networks, servers, and communications systems. Qualifications Associate or bachelor’s degree in computer science, Information Technology, or closely related field Industry...
$73.45k - $132.78k
...Description The Digital Modernization Sector within Leidos is seeking a System Administrator to support the GIG Service Management – Operations II (GSM-O II) program in San Antonio, TX. We’re seeking a candidate experienced and proficient with Windows server or Linux...Local area$75k - $113.79k
...Job Title Systems Administrator III Clearance Required Secret Work Location Onsite, San Antonio, TX Key Responsibilities Analyze, validate, implement, maintain, and configure current services and tools (examples include Active Directory (AD), System Center Operations Manager...Contract workWork experience placementFlexible hours- ...Description Position Summary The System Administrator career track (Levels I through III) supports the design, deployment, and ongoing maintenance of client server and storage environments. Each level builds upon the last, with increasing expectations for technical depth...
$130k - $140k
...System Administrator (SA) Skill Level 3 The System Administrator (SA) Skill Level 3 provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems...Full timeContract workWork experience placementImmediate startShift work- ...this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. System Administrator Full Time DOD ARMY RNEC C4/IT Support, San Antonio, TX, US 7 days ago Requisition ID: 2067 *This position requires a...Civilian ContractorFull timeLocal area
$88.4k - $119.6k
...Join to apply for the Mid-Level Systems Administrator role at Boeing Join to apply for the Mid-Level Systems Administrator role at Boeing Get AI-powered advice on this job and more exclusive features. Job Description At Boeing, we innovate and collaborate to make the world...Permanent employmentFull timeInterim roleRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift- ...Department of Defense and often focused on the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in San Antonio, Texas. This position will be on‑site and will require an active...Work experience placementLocal areaLong distance
- ...problems associated with server hardware, applications, and software integration. Configure and manage UNIX and Windows operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing...
- ...Systems Administrator/Platform Automation Engineer with a minimum 8 years of systems administration, platform engineering, DevOps, SRE, or infrastructure operations experience supporting enterprise or government environments. 5 years of Linux and Windows server or endpoint...
- ...expertise, project management, technical guidance and direction in the implementation and operation of computer systems; used for financial, clinical and/or administrative systems. Organizes and schedules a variety of major and/or complex computer system tasks, including...Work experience placement
- ...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...
- ...Systems Administrator 3 Duration: 6-12 months Location: Denison, TX Remote Work: None Primary Skills: Systems Analysis Notes: Required Skills Job Description The Factory IT Support Analyst Role provides a unique opportunity to support a multitude of...Work at officeRemote workShift workWeekend workAfternoon shift
- ...San Antonio, TX, US Job Title: Enterprise System Administrator - Intermediate (Support Services) Location: San Antonio, TX Education: BS degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science or Military Training...
- ...Description Applied Research Solutions is seeking a full-time Systems Administrator located at Lackland AFB, Texas. Why Work with us? ? ?Applied Research Solutions (ARS) is respected as a world-class provider of technically integrated solutions as we deliver premier...Full timeFor contractorsFor subcontractorLocal area
- ...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;...Contract workTemporary workWork experience placement
- ...Trust (ADP/IT-II) or Tier 3 Investigation (NACLC) The Endpoint System Admin is responsible for architecting, developing, and... ...DoD 8140 Qualification Matrices) 1) Microsoft Certified: Azure Administrator Associate or Windows Server Hybrid Administrator Associate 2)...
- Position Overview Harbor Health is seeking a driven and resourceful Regional IT Systems Administrator to join our growing team. As Harbor Health's frontline technology partner for clinic adoptions and ongoing site operations, you will blend hands‑on field work with systems...Shift work
- A technology solutions company in San Antonio, Texas, is seeking a Systems Administrator to support and manage IT systems and infrastructure. The ideal candidate will provide Tier 1 to Tier 3 support, handle troubleshooting, and system maintenance, while ensuring the reliability...
- B.E.A.T. Llc. seeks an Intermediate System Administrator in San Antonio to provide enterprise-level endpoint engineering and support for DHA's IT services. The role requires expertise in managing security controls and developing compliance dashboards. The ideal candidate...
- We are seeking an experienced and highly skilled Integration Systems Administrator to support, maintain, and optimize enterprise integration systems, application servers, and middleware platforms. This role is vital in ensuring the stability, performance, and security of...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to System Administrator. Be the first to apply!
- remote systems administrator San Antonio, TX
- system admin San Antonio, TX
- application system administrator San Antonio, TX
- server administrator San Antonio, TX
- systems administrator San Antonio, TX
- IT administrator San Antonio, TX
- IT infrastructure administrator San Antonio, TX
- enterprise administrator San Antonio, TX
- computer systems administrator San Antonio, TX
- microsoft systems administrator San Antonio, TX

