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Job Posting Title
System Administrator
Date
Wednesday, February 18, 2026
City
San Antonio
State
TX
Country
United States
Working time
Full-time
Maximus is a trusted federal partner supporting mission‑critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus’ role as a reliable prime for high‑impact government missions. Joining Maximus means contributing to meaningful work in fast‑paced environments alongside professionals committed to service, accountability, and results.
This position is contingent upon contract award and position availability. Selected candidates will receive a contingent offer of employment, which will become final only upon successful contract award to Maximus, availability of the position, and receipt of authorization to proceed.
This position is fully onsite in San Antonio, TX and requires an active TS/SCI or higher.
Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS221, T5, Band 8
Job-Specific Essential Duties and Requirements:- 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 architecture, and other related management and technical duties.
- Responsible for supporting deployments of the JCO system on the JCC2 AWS environment, if needed.
- Responsible for providing support for the timely deployment of hotfixes/patches when necessary.
-
Active TS/SCI clearance
-
Ability to report on-site in San Antonio, TX up to five days per week, based on customer requirements
- IAT Level II certification (DoD 8570/8140 compliant)
-
At least 10 years of IT systems administration experience supporting Microsoft and Linux platforms
-
Hands-on experience administering AWS GovCloud environments, including s
ystem maintenance activities such as patching, STIG implementation, upgrades, and vulnerability remediation
- Experience supporting DoD security, compliance, and authorization (RMF/ATO) requirements
- Demonstrated experience administering, securing, and operating cloud-based systems in AWS environments supporting mission-critical workloads
-
Experience with containerization and orchestration technologies, including:
* Deploying, managing, and supporting Kubernetes clusters in production environments
* Operating and maintaining containerized workloads using Docker and Kubernetes
* Managing Kubernetes resources such as namespaces, deployments, services, ingress, and storage
- Experience with DevOps and automation practices, including:
* CI/CD pipelines and tooling (e.g., GitLab or similar)
* Infrastructure as Code and configuration management tools such as Terraform, Ansible, Helm, Kustomize
-
Familiarity with secrets management tools (e.g., Vault)
- Experience working in cloud environments, with AWS preferred; exposure to Azure or Google Cloud Platform a plus
- Bachelor’s degree in Computer Science, Information Systems, or a related field
- AWS certifications, such as:
* AWS Solutions Architect
* AWS SysOps Administrator
-
Red Hat certification (RHCSA, RHCE, or similar)
- Kubernetes certifications (e.g., CKA, CKAD, or equivalent)
#techjobs #clearance #veteranspage #USCYBERCOM
Minimum Requirements
TCS221, T5, Band 8
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.
AccommodationsMaximus 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
applicantaccom@maximus.com
.
Minimum Salary
$
130,000.00
Maximum Salary
$
160,000.00
hackajob is partnering with Archer to fill this position. Create a profile to be automatically considered for this role—and others that match your experience.