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System Administrator

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Booz Allen Hamilton
Full Time, Part Time position
Listed on 2026-10-05
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Windows Server
Salary/Wage Range or Industry Benchmark: 61900 - 141000 USD Yearly USD 61900.00 141000.00 YEAR
Job Description & How to Apply Below
System Administrator

The Opportunity:

As a system administrator on our project, you’ll ensure mission-critical infrastructure and systems remain secure, functional, and available while identifying opportunities to improve system performance, reliability, and security. You’ll support system administration, maintenance, upgrades, patching, troubleshooting, and lifecycle activities across enterprise IT environments. You’ll provide your customers insight into their network and systems through monitoring, analysis, and performance management. Your system administrator expertise will be vital as you identify problem areas and opportunities for improvement across mission-critical systems and network infrastructure.

You’ll help your team better understand the environment by turning system metrics, audit logs, vulnerability data, and performance information into actionable insights and explaining their meaning. This is an opportunity to broaden your skillset into areas like cybersecurity compliance, RMF, cloud computing, virtualization, and enterprise infrastructure modernization. We focus on growing as a team, so you’ll share your expertise through leadership and mentoring as you help the team work through technical challenges and develop new methodologies.

As a system administrator, you’ll identify new opportunities to modernize and secure the environment so your clients can achieve their mission goals. Work with us and resolve daily challenges as we improve the reliability, security, and effectiveness of technology supporting critical DoD missions. Join us. The world can’t wait.

You Have:
  • 2+ years of experience supporting IT, systems administration, cybersecurity, or enterprise technology environments
  • Experience administering, maintaining, and troubleshooting Windows Server and Windows workstation environments
  • Experience with Palantir, Active Directory, Group Policy, user account administration, permissions, and access controls
  • Experience troubleshooting enterprise LAN/WAN, server, workstation, and network infrastructure issues
  • Experience implementing cybersecurity requirements, including STIGs, vulnerability remediation, RMF, or NIST SP 800-53 security controls
  • Top Secret clearance
  • Bachelor's degree
  • DoD 8570 IAT Level II Certification
Nice If You Have:
  • Experience supporting DoD enterprise systems, mission‑critical systems, or classified environments
  • Experience with Cisco routing and switching, VMware virtualization, and enterprise network infrastructure
  • Experience supporting RMF documentation, ATO readiness, security hardening, and vulnerability management activities

Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information;
Top Secret clearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well‑being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work‑life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs.

Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location,…

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