Intermediate System Administrator
Semper Valens Solutions
Intermedia System Administrator (Kubernetes/Cloud Infrastructure) Full Time, San Antonio, TX OR Ft. Meade, MD Secret Clearance with TS/SCI eligibility Overview Semper Valens is seeking an experienced Systems Administrator with strong Kubernetes experience to help design, operate, and support our production environment. This role bridges traditional systems administration functions and modern cloud-native operations, ensuring systems reliability, scalability, and security across critical mission platforms. You will work closely with developers, DevOps, and cybersecurity teams to support the adoption of Kubernetes clusters, automating infrastructure, and maintain high-availability/high-stability environments. Required Skills & Qualifications 10 years of IT systems administrative experience with both Microsoft and Linux platforms. With two years proficient understanding of maintenance (patching, STIG, and upgrade processes) on AWS cloud infrastructure IAT-Level-II Certified Demonstrated experience and/or training in system administration and development best practices in AWS Demonstrated experience in managing and adopting Kubernetes in production environments Ability to deploy, manage, and support Kubernetes clusters Experience operating and maintaining containerized workloads using Docker and Kubernetes Experience managing Kubernetes resources including namespaces, deployments, services, ingress, and storage Experience with container technologies (Docker) Demonstrated experience with cloud platforms (AWS, Azure, Google Cloud) and Linux Demonstratable experience with Helm, Terraform, Ansible, Vault, CI/CD pipelines, GitLab, and Kustomize Required Certifications IAT Level II – Security+ & CISSP Desired Qualifications AWS Solutions Architect certification AWS SysOps Administrator certification Red Hat certification 5 years' experience in CI/CD SW development Kubernetes certifications (CKA, CKAD, or similar) Semper Valens Solutions is an Equal Opportunity Employer Semper Valens Solutions proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital/parental status, pregnancy/childbirth, or related conditions, physical or mental disability, genetic information, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with Semper Valens Solutions through its online applicant system, please contact Semper Valens Solutions Human Resources Department at View phone number on click.appcast.io. Semper Valens Solutions is an affirmative action/equal opportunity employer - minorities, females, disabled, and protected veterans are urged to apply. Applicants have rights under Federal Employment Laws. #J-18808-Ljbffr Semper Valens Solutions
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- ...System Administrator Full Time Remote Top Secret/SCI Clearance **This position is contingent upon contract award** Job Description... ..., hiring at all levels of the experience spectrum; intermediate, journeyman and senior. Consider us for your career plan....SuggestedFull timeContract workRemote work
- ...shareholders. Join our team and discover why we are a top veteran employer ( and Certified Great Place to Work ( Position : Intermediate System Administrator, Tier-3 Location : San Antonio, TX (On-Site.) Clearance : U.S. Citizen with ability to obtain a Public Trust....Contract workFor contractorsWork experience placementWork at officeRemote workFlexible hoursShift work
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- A leading government contractor in Texas is seeking an Intermediate System Administrator - Tier-3 Level to provide 24/7 operations support. The role requires on-site presence and U.S. citizenship to obtain Public Trust. Responsibilities include managing services like Active...For contractors
- A leading government contractor in San Antonio is seeking an Intermediate Systems Administrator for 24/7 operations support. The role requires moderate experience in systems administration and the ability to troubleshoot complex IT issues. Applicants must be U.S. citizens...For contractors
- ASRC Federal is hiring an Intermediate Systems Administrator (Tier-2) to support operations in San Antonio, Texas. The role involves troubleshooting and maintaining enterprise products while providing continuous operational support. Applicants must have a relevant degree...
$32.84 - $67.88 per hour
...problem solver on a wide range of Data Center environment and systems you understand which issues to escalate to the appropriate... ...in Data Center infrastructure Operations support and server administration in a mid-sized environment (200 - 1000+ server systems) ~3-...Hourly payTemporary workWork experience placementLocal areaFlexible hours- ...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...
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- ...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...Temporary workFor contractorsImmediate startFlexible hours
$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...Full timeLocal areaFlexible hoursShift work- ...Job Type Full-time 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...Full time
- ...technical ambition? Join us and experience a company where your contributions truly make a difference! System Administrator 3/ EMC/GEM Desk needed! Group: EMC/GEM Must have TS/SCI with active polygraph. Hours: Tues-Sat, 9pm to 5am...Contract workWork experience placementImmediate start
$70k - $109.97k
...Systems Administrator II Job Category: Information Technology Work Location: Onsite, San Antonio, TX Description Key Responsibilities: Maintain and troubleshoot enterprise level products and services, including hardware (servers) firmware, and software...Contract workWork experience placementRemote workFlexible hours- ...Essential Duties and Responsibilities: - Provide senior-level administration and operational support for ServiceNow ITSM and ITOM modules,... ...workflows, integrations, user roles, access controls, and system enhancements within the ServiceNow platform to improve automation...Minimum wageContract workTemporary workWork experience placementRemote work
- ...System Administrator IBC Bank successes are the result of an aggressive and innovative attitude. The Bank's "We Do More" philosophy reflects its dedication to the growth and success of its employees, customers and communities. IBC bank hires talented, creative and...Full timeBank staffWork at officeWeekend work
$75k - $113.79k
...Systems Administrator III Job Category: Information Technology Requisition Number: SYSTE002274 Posted: March 18, 2026 Full-Time On-site Location: San Antonio, TX 78226, USA Job Description Job Title: Systems Administrator III Clearance Required...Full timeContract workWork experience placementFlexible hours$50k - $80k
...Description Administers, develops, runs tests on, implements, and maintains operating system and related software. Description Responsibilities Manage and administrate all operating systems and their corresponding or associated software Manage communications...Permanent employmentContract workTemporary workFor contractorsWork experience placementLocal areaImmediate start- ...violations at local, group, or global level. Perform local database administration for standard database software for common user services.... .... Manage virtual filers including Virtual File Manager system. Identify and replace failed hardware with government furnished...Civilian ContractorLocal 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
$750 per month
...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 uniquely...16 hoursTemporary work- ...System Administrator SAWS is looking for an experienced Systems Administrator. The Systems Administrator is responsible for developing and implementing network server standards, procedures and measures regarding security, recoverability, and performance including...Work experience placement
- ...System Administrator The Digital Modernization Sector within Leidos is seeking a System Administrator to support the DoD Mobility Classified Capability (DMCC) program as part of GSM-O II in San Antonio, TX. We're seeking a candidate experienced with Windows server...Shift workNight shift
$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...Contract workWork experience placementLocal area
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