Systems Administrator, Tier 3
ASRC Federal
Fort Sam Houston, San Antonio, TX 78234, USA Job Description Posted Friday, May 16, 2025 at 4:00 AM 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 Clearance : U.S. Citizen with ability to obtain a Public Trust. Summary: 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. Core hours are 6:00am – 6:00pm; 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 an Intermediate Systems Administrator – Tier-3 Level to support upcoming work located in San Antonio, TX. Responsibilities: 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 to 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. Design and test capability enhancements for use in MED365. 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. Escalation point from Tier II. Elevate appropriate tickets to Tier IV for 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. As necessary, prepare After Action Reports. Requirement Must be a U.S. Citizen and obtain and maintain Public Trust. Must successfully complete a government issued background investigation. Must be flexible to travel when necessary. Must have Real ID, and ability to obtain a U.S. Passport. Education : Minimum of 4 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 6 years of relevant work experience in Information Technology, Computer Science, Engineering Management or related discipline. MA/MS degree in Information Technology, Computer Science, Engineering Management or related discipline, with 2 years of relevant experience ORAA/AS degree or high school diploma with 8 years of experience in Information Technology or a related field. Required Certifications : Applicants will be required to have: incumbents have 6 months to obtain Microsoft Certified: Windows Server Hybrid Administrator Associate Must have the ability to : Interface with users in a pleasant and tactful manner. Be self-motivated. Quickly learn new IT technologies. Occasionally work non-standard hours as required. Be a Team Player with the ability to work well independently with limited direction. We invest in the lives of our employees, both in and out of the workplace, by providing competitive pay and benefits packages. Benefits offered may include health care, dental, vision, life insurance; 401(k); education assistance; paid time off including PTO, holidays, and any other paid leave required by law. EEO Statement ASRC Federal and its Subsidiaries are Equal Opportunity employers. 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. Fort Sam Houston, San Antonio, TX 78234, USA #J-18808-Ljbffr ASRC Federal
- A federal IT solutions provider is seeking a Tier 3 Systems Administrator to support a large-scale IT environment. This role involves managing enterprise services, ensuring compliance with security standards, and providing advanced support for cloud technologies. Ideal...SuggestedRemote job
- ...to Work ( ASRC Federal is currently seeking a Junior Systems Administrator - Tier-2 Level to support upcoming work located in San Antonio, TX... ...resolve an issue, escalate to Enterprise Operations (Tier 3). Provide the de-escalation path back to the lower tier....SuggestedContract workFor contractorsWork experience placementRemote workFlexible hoursShift work
- Job Description Position: Junior Systems Administrator - Tier‑2 Level (San Antonio, TX) Summary: Provide 24/7/365 operations support to the customer... ...government equipment as needed. Escalate unresolved issues to Tier 3 operations and provide the de‑escalation path back to lower...SuggestedWork experience placementRemote workFlexible hoursShift work
- ASRC Federal in San Antonio, TX, seeks an Intermediate Systems Administrator with expertise in Active Directory and data encryption. This role requires U.S. Citizenship and the ability to obtain a Public Trust. Responsibilities include analyzing, validating, and configuring...Suggested
- ASRC Federal is looking for a Senior Systems Administrator in San Antonio, TX, to provide 24/7 operations support. Candidates should have a strong technical background with at least 8 years of experience in Information Technology, alongside the ability to work on-site at...Suggested
- Job Description ASRC Federal is currently seeking a Senior Systems Administrator - Tier-2 Level to support upcoming work located in San Antonio, TX.... ...be resolved locally, escalate to Enterprise Operations (Tier 3). Provide de‑escalation path back to lower tier. Monitor enterprise...Remote workFlexible hoursShift work
- ASRC Federal is seeking a Junior System Administrator in San Antonio, TX. The position requires on-site support and responsibilities including analyzing and maintaining IT services. Applicants must have a BA/BS degree in related fields and the ability to obtain Public...Flexible hours
- ASRC Federal is looking for a Senior Systems Administrator - Tier-2 Level in San Antonio, TX. This role includes managing personnel and providing continuous IT support, ensuring the maintenance of enterprise-level systems. The ideal candidate must be a U.S. Citizen with...Flexible hours
- ...San Antonio, TX, US Job Title: Enterprise System Administrator - Intermediate (Support Services) Location: San Antonio, TX Education... ...Hybrid Administrator Associate Position Description: The Tier 3 Systems Administrator delivers advanced sustainment and...
$50k
...limited supervision, responsible for activities related to Systems Administration and the integration with server operating systems and applications... ...the enterprise and various customer accounts. Provides tier 2/3 technical support and serves as systems person on-call for...Bank staffLocal areaRemote workFlexible hours$75k - $113.79k
Job Title Systems Administrator III Clearance Required Secret Work Location Onsite, San Antonio, TX Key Responsibilities Analyze, validate... ...availability to ensure high reliability and uptime. Provide Tier 3 support for Exchange Online‑related issues and coordinate with...Contract workWork experience placementFlexible hours- ## System Administrator IApplylocations: San Antonio, TXtime type: Full timeposted on: Posted 2 Days... ...Administrators will work with Engineers and Tier II Administrators to monitor and... ...* 5 years of IT related experience with 3 years of system administration experience...Full timeBank staffWork at officeFlexible hoursWeekend work
- Job Title: Systems Administrator II Clearance Required: Secret Work Location: Onsite, San Antonio, TX Key Responsibilities Maintain and troubleshoot... ...to resolve an issue, elevate to Enterprise Operations (Tier 3) and provide de‑escalation path back to the MTF or lower...Remote workFlexible hours
- ASRC Federal is seeking an Intermediate Systems Administrator to support operations in San Antonio, TX. This role involves 24/7 operational support and requires candidates to work on-site at Ft Sam Houston. Responsibilities include troubleshooting server issues, managing...
- ASRC Federal is hiring a Junior Systems Administrator in San Antonio, TX, to provide critical 24/7 support for operational needs. The successful candidate will manage and troubleshoot enterprise services, including Active Directory, while maintaining security and operational...
- A technology support company in San Antonio is seeking a Desktop Support Technician (Tier 1) to provide maintenance and support for client desktop and laptop computers. Responsibilities include troubleshooting technical issues, training users, and configuring hardware....Work at office
- ...technical puzzles, and help defend critical systems, this is a place where your skills matter... ..., you'll be instrumental in performing Tier II and III testing, troubleshooting, and analyzing... ...~ CompTIA Linux + Certification ~3+ years of executing command line Linux operations...Full time
- ...global level. Perform local database administration for standard database software for common... ...virtual filers including Virtual File Manager system. Identify and replace failed hardware... ...Required Skills & Qualifications: • 3+ years’ experience supporting DoD Networks...Civilian ContractorLocal area
- Description Position Summary The System Administrator career track (Levels I through III) supports the design, deployment, and ongoing maintenance... ...Skills and Qualifications Level I - System Administrator I 1-3+ years of experience in IT support or system administration,...
$73.45k - $132.78k
...The Digital Modernization Sector within Leidos is seeking a System Administrator to support the GIG Service Management - Operations II (GSM-O... ...systems, networks, databases and applications. Experience with Tier 2 system administration. Experience with scripting/...Local area- University Health is seeking an experienced Systems Administrator with deep UKG Workforce Management expertise to support and enhance mission-critical... ...basic & advanced scheduling, timekeeping, and time clocks 3+ years of systems administration, programming, or system...
- Christus Health is looking for an EUC Systems Administrator II in San Antonio to manage the end-user computing infrastructure. This role involves... ...with corporate policies. The ideal candidate will have 3-5 years of end-user device support experience and a Bachelor...
$60k - $65k
...nation. About This Position The Endpoint Administrator is responsible for the configuration and... ...installs, and deploys multiple operating systems and applications using industry standard... ...ll Need Required Bachelor’s degree with 3 years of experience or master’s degree with...Temporary workWork at officeImmediate startRemote work- Position Summary We are seeking a hands‑on Systems Administrator to support a mixed Windows, Linux, virtualization, networking, Microsoft 365, and... ...and basic service troubleshooting. Required Qualifications 3+ years of hands‑on systems administration or advanced...For contractors
- System Administrator Mission First Solutions San Antonio, Texas, United States About this position About Locked Core Tech, LLC Locked Core Tech... ...experience may be considered. Experience Minimum of three (3) years of experience supporting healthcare information systems...Work at officeLocal 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... ...Security+ certificate or obtain certification within first 6 months 3+ years of experience administering user system access and...Permanent employmentFull timeInterim roleRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift- EUC Systems Administrator II at Christus Health Christus Health has an opening for a EUC Systems Administrator II in San Antonio. This role focuses... .... Self‑motivated with strong time‑management skills. 3-5 years of end‑user device support experience (desktops, laptops...Full timeShift work
$61.75 per hour
JOB TITLE: Numerical Control Programmer Level 3 LOCATION: San Antonio, TX PAY RATE: $61.75/hour We are a national aerospace and defense... ...seeking highly qualified candidates for a position with a top‑tier client. Job Details Job Type: Contract (6 months with potential...Contract workWork experience placement- T and T Consulting Services Inc is hiring a System Administrator in San Antonio. This position requires active DOD Secret Clearance and involves... ...permissions, and ensure the operational integrity of data systems. With 3+ years supporting DoD Networks, you must have strong...
- Def-Logix, Inc. is looking for a Systems Administrator to support a mixed environment of Windows, Linux, and Microsoft 365. The role combines production... ...onsite user support. The ideal candidate should have over 3 years of experience, robust networking skills, and...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator, Tier 3. Be the first to apply!
- server administrator San Antonio, TX
- IT administrator San Antonio, TX
- systems administrator San Antonio, TX
- microsoft systems administrator San Antonio, TX
- remote systems administrator San Antonio, TX
- enterprise administrator San Antonio, TX
- computer systems administrator San Antonio, TX
- system admin San Antonio, TX
- application system administrator San Antonio, TX
- IT infrastructure administrator San Antonio, TX

