IT SysAdmin
Vistronix
ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer and Certified Great Place to Work™
Citizen with ability to obtain a Public Trust.
This contract will provide 24/7/365 operations support to the customer. Applicant must be able and willing to work on-call, shift, or surge if required. Must be flexible and able to travel when necessary. Will need a Real ID and current passport.
Work arrangement This position will require on-site occupancy at or near the Ft Sam Houston location. exception being shift-work (surge) or on-call staff. Telework may be considered on a position-by-position bases with approval by the customer.
We are currently seeking a Junior Systems Administrator – Tier-3 Level to support upcoming work located in San Antonio, TX.
Analyze, validate, implement, maintain, and configure current services and tools (examples include Active Directory (AD), System Center Operations Manager, Quest, Dell Quest maintenance tools.)
Support and maintain Lightweight Directory Access Protocol (LDAP) architecture to provide authentication, synchronization, user provisioning, and authorization services.
Validate data encryption services on desktops and laptops for adherence with Customer- and DoD regulations and policies; support deployment and maintenance approved data encryption solutions.
Manage and monitor Data Encryption services to ensure systems and all supported devices are updated; create, deploy, upgrade, and install data encryption client packages, files, and policies in accordance with maintenance window policies.
Support the Tier 3 Enterprise Operations mission.Validate Microsoft Intune (Cloud) and Microsoft BitLocker (On-Prem) solutions on desktops and laptops for adherence with Customer and DoD regulations and policies.
Manage and monitor Intune and BitLocker services to ensure systems and all supported devices are updated; create, deploy, upgrade, and install DAR data encryption client packages, files, and policies in accordance with maintenance window policies.
Work with the Project Office/Lead to collect and prioritize enhanced or new features for use in MED365.
Configure the Cloud Service Offering (CSO) to support user data retention, documentation-marking, redactions, policies, controls, and deduplication of files. Validate current processes and conduct testing / validation of implementation.
Processes tickets received from the Tier II support desk to resolution. Support the resolution of and monitor tickets with product vendors in support of the MED365 capability.
Develop plans and strategic communications for announcing capability enhancements and schedule that reflect Contractor planned releases to the capabilities being released into IL5.Using MS SCOM, monitor system uptime availability and maintain the framework for new and existing applications, servers, and services that require monitoring at the enterprise level.
Analyze Customer current enterprise system monitoring implementation and provide a status report before and after remediation actions engineered and executed. Customize enterprise monitoring rules, alerting, and reporting functions for applicable Customer applications and servers, and produce reports depicting the performance indicators for these applications and servers, such as “uptime” and “downtime.”
Maintain disaster recovery capability and procedures and ensure all enterprise monitoring servers are compliant to the latest appropriate DISA STIGs.
Implement digital signature and encryption requirements specified in DoDI 8520.02, “Public Key Infrastructure (PKI) and Public Key (PK) Enabling.” Manage, and maintain Public Key Encryption (PKE) and Public Key Infrastructure (PKI) in a Windows environment for compliance.
Develop, validate, and document Disaster Recovery (DR) procedures for all supported device types within the enterprise. Produce/update checklists, guides and/or standard operating procedures for enterprise monitoring and preventative maintenance. Citizen and obtain and maintain Public Trust.
Must be flexible to travel when needed. S. Passport.
Minimum of 2 years of relevant work experience with a BA/BS degree in Information Technology, Computer Science, Engineering Management or related discipline OR in lieu of a technical degree, must have BA/BS degree with a minimum of 4 years of relevant work experience in Information Technology, Computer Science, Engineering Management or related discipline OR
AA/AS degree or high school diploma with 6 years of experience in Information Technology or a related field.
Microsoft Certified: Windows Server Hybrid Administrator Associate
Quickly learn new IT technologies
Benefits offered may include health care, dental, vision, life insurance; paid time off including PTO, holidays, and any other paid leave required by law.
All qualified applicants will receive consideration for employment without regard to race, gender, color, age, sexual orientation, gender identification, national origin, religion, marital status, ancestry, citizenship, disability, protected veteran status, or any other factor prohibited by applicable law.
$101.36k - $109.67k
...databases for smooth and secure operation.Administer Red Hat Linux systems and troubleshoot database and system issues.Perform daily... ....Proficiency in SQL, PL/SQL, and Red Hat Linux command line administration.Strong troubleshooting skills for OS, hardware/software,...SuggestedFlexible hours- General information Job Posting Title System Administrator Date Monday, April 13, 2026 City San Antonio State TX Country United States Working time Full-time Description & Requirements Maximus is seeking an experienced System Administrator...SuggestedMinimum wageFull timeContract workTemporary workWork experience placement
- ASRC Federal is currently seeking a Junior Systems Administrator - Tier-2 Level to support upcoming work located in San Antonio, TX.Summary: This contract will provide 24/7/365 operations support to the customer. Applicant must be able and willing to work on-call, shift...SuggestedContract workWork experience placementRemote workFlexible hoursShift work
- ...System Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System Administrator to join our team and help...SuggestedTemporary workFor contractorsImmediate startFlexible hours
- ...University Health is seeking an experienced Systems Administrator with deep UKG Workforce Management expertise to support and enhance mission-critical financial, clinical, and administrative systems within a large, complex healthcare environment. This role is ideal for...Suggested
- ...Job Description: System Administrator II Location: Northwest San Antonio, TX 78257 Job Type: Full Time, On-Site Position Experience Level: Mid-Level Job Summary We are seeking a skilled and proactive System Administrator II to aid in the management, maintenance, and upgrade...Full timeWork at officeRemote work
$7.5k
...journey as we execute this mission-critical contract providing systems architecture and engineering in a world-wide multi-level... ...Junior Engineers, Telecommunication Technical Analysts and System Administrators, responsible for the architecture, engineering, integration,...Contract workWork experience placementImmediate startFlexible hours- ...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
- ...Operations Manager, who provides objectives, timelines, resources, and responsibilities. This position is responsible for the administration of various systems and platforms as well as providing support for operational goals and objectives. This position works collaboratively...Work at officeRemote work
- ...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...
$60k - $65k
...facilities across the nation. About This Position The Endpoint Administrator is responsible for the configuration and maintenance of... ...This position tests, installs, and deploys multiple operating systems and applications using industry standard tools, while maintaining...Temporary workWork at officeImmediate startRemote work- ...customer experience, operational excellence, and community impact. We are seeking a detail-oriented and solutions-focused Dayforce System Administrator to support the administration, optimization, and ongoing improvement of our Dayforce HCM platform. This role is responsible...H1bVisa sponsorshipWork visaFree visa
- ...System Administrator The Digital Modernization Sector within Apriva is seeking a System Administrator to support the DoD Mobility Classified Capability (DMCC) program as part of GSM-O II in San Antonio, TX. This shift is for Sun – Wed 3rd shift 8pm to 6am Primary...Shift workNight shift
- ...throughout the UnitedStatesand Europe. We are seeking a IT Systems Administratorto own the day-to-day health, security, and... ...Preferred Education and Experience: Microsoft Certified: Azure Administrator Associate or Microsoft 365 Certified. Experience in healthcare...Local areaWorldwideFlexible hours
$125k - $135k
GovCIO is currently seeking a Senior Linux Administrator to support the installation, configuration, maintenance, and optimization of Linux based systems in support of 616th Operations Center (616 OC) operations. This position will be located in San Antonio, TX and will...Local areaRemote work$70k - $109.97k
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 and MED...Contract workWork experience placementRemote workFlexible hours$125k
...Opportunity We are seeking a highly skilled and self-drivenSenior Systems Administratorto join a growing production organization. This... ...and Group Policy Exchange Online and Microsoft 365 administration Enterprise networking, wireless technologies, and firewalls...Monday to Friday- ...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...
- ...and direction in the implementation and operation of computer systems; used for Community First Health Plans, Inc. (Community First)... ...compliance. Certifications such as MCSE, RHCE, AWS Certified SysOps Administrator, or similar are preferred. #J-18808-Ljbffr Community First...Work experience placement
- Systems Administrator II - TS/SCI Clearance Required - JBSA Lackland - San Antonio, TX Job Description The Systems Administrator II provides day-to-day administration, maintenance, and support for mission-critical Windows, Linux, virtualization, and endpoint environments...
- General information Job Posting Title Senior AWS Cloud Systems Operations Administrator Date Friday, June 26, 2026 City San Antonio State TX Country United States Working time Full-time Description & Requirements Maximus is looking...Minimum wageFull timeContract workTemporary workWork experience placement
$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- Job Description Now Hiring: AppDynamics Administrator / Systems Administrator Support mission‑critical Commercial and Federal Healthcare environments while leveraging your expertise in Application Performance Monitoring (APM), AppDynamics, Windows/Linux administration,...Immediate start
$750 per month
Description Seeking experienced System Administrators to grow their knowledge and further their career. Interclypse has numerous openings on a variety of government projects allowing us to find the best fit for your personal skillset. Requirements Interclypse provides a...16 hoursTemporary work- ...Job Description Job Description Intermedia System Administrator (Kubernetes/Cloud Infrastructure)Full Time, San Antonio, TX OR Ft. Meade, MDSecret Clearance with TS/SCI eligibility Referral bonus: $500 Overview:Semper Valens is seeking an experienced Systems Administrator...Full time
- ...Description Job Description 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...Work at officeRemote work
- ...Job Description Job Description We are looking for an experienced Systems Administrator to support and enhance the organization’s Microsoft-centric technology environment in San Antonio, Texas. This position combines infrastructure administration, endpoint management...Work at office
- 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 24/7/365 operations support to the customer. Applicant must be able and willing...Contract workWork experience placementRemote workFlexible hoursShift work
- ...to excellence drives us to develop and maintain cutting-edge systems and capabilities in direct support of the warfighter. Currently... ...G6CS is seeking a motivated and mission-oriented Linux System Administrator to join our team in support of Air Force operations at...
- ...ASP Web Solutions is searching for a fulltime remote System Administrator Jr. to support an Air Force Medical Command (AFMEDCOM) requirement involving the Defense Medical Logistics Standard Support (DMLSS) system. This is a remote position, subject to Government...Full timeContract workLocal areaRemote workMonday to Friday
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to IT SysAdmin. Be the first to apply!
- remote systems administrator San Antonio, TX
- systems administrator San Antonio, TX
- application system administrator San Antonio, TX
- system admin San Antonio, TX
- computer systems administrator San Antonio, TX
- IT infrastructure administrator San Antonio, TX
- server administrator San Antonio, TX
- microsoft systems administrator San Antonio, TX
- enterprise administrator San Antonio, TX
- IT administrator San Antonio, TX

