1,661,131open jobs
99,603companies
254,506added this week
Browse all
Salary
≈ $69k – $139k per year (Estimated)
Location
In office (San Antonio)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Sep 16, 2026.

Overview
Company
Impact
Profile match

FD

The Federal Public Defender for the Western District of Texas is accepting applications for the position Operating Systems Administrator, to be stationed in the San Antonio office.

POSITION DUTIES

The Operating Systems Administrator role involves developing, executing, and supporting the national Federal Defender Microsoft Windows infrastructure. Specialized duties include:

  • Windows client and server operating system installation, deployment, maintenance, and support.
  • Administration and troubleshooting Active Directory and Group Policy.
  • Manage and maintain third-party applications in conjunction with vendor support.
  • Serve as a Tier-3 escalation resource for complex Windows infrastructure issues with the ability to troubleshoot across infrastructure boundaries.
  • Communicate technical issues, to both a nontechnical and technical audience, with excellent customer service skills.
  • Drive infrastructure related projects independently or through collaboration with team members.
  • Evaluate technologies and technical solutions and provide recommendations concerning enterprise systems, platforms, and services.
  • Utilize enterprise tools to manage, monitor, and secure large enterprise data center environments.
  • Prepare and present reports on usage and system health.
  • Serve as a Microsoft Windows escalation resource and mentor team members.
  • Demonstrate attention to detail and maintain effective working relationships with those contacted during course of work.
  • Occasional travel and lifting equipment up to 50 pounds.
  • Monitor enterprise infrastructure including storage area networks (SAN) and Windows

server environments.

  • Develop and maintain project documentation such as: Infrastructure diagrams, installation documentation, upgrade assessments, knowledge base articles.
  • Implementing and troubleshooting security controls within Microsoft Windows environments, including hardening, patch management,

privileged access, and endpoint security.

MINIMUM QUALIFICATIONS

  • High school diploma or equivalent.
  • 3 years of general experience (relevant accredited coursework may substitute for part).
  • 4 years of specialized experience (education may substitute for part).
  • Employment contingent on a satisfactory background check (FBI name & fingerprints).
  • Experience performing Microsoft Windows Server maintenance to ensure the system is secure, healthy, and highly available.
  • Comfortable working beyond documented procedures to identify root cause and implement sustainable solutions.
  • Practical and in-depth understanding of networking principles.
  • Advanced Active Directory and Group Policy administration and troubleshooting.
  • Demonstrated proficiency using PowerShell to administer, troubleshoot, and automate Windows infrastructure.
  • Knowledge of data center technologies, functions, and infrastructure.
  • Experience in leading projects and providing architectural input for system design.
  • Experience diagnosing complex virtualization, performance, resource, and availability issues is highly desirable.
  • 3 + years experience supporting Microsoft Windows Server deployments in virtualized environments including Failover Clustering.
  • 3 + years experience administering and supporting enterprise Microsoft Windows server operating systems (2019, 2022, 2025, Hyper-V), server class hardware, and enterprise storage (SAN) technologies.

BENEFITS

  • Retirement benefits under the Federal Employees Retirement System.
  • Optional participation in Federal Employees Health Benefits (FEHB).
  • Optional participation in Federal Employees Dental and Vision Insurance Program (FEDVIP).
  • Optional participation in Federal Employees’ Group Life Insurance (FEGLI).
  • Position is excepted service, without competitive civil service tenure.

HOW TO APPLY

  • Cover letter and resume.
  • Three professional references with their contact information.
  • Form AO-78 - All sections of the AO-78 must be completed in full, with dates in the following format: mm/dd/yyyy.
  • Apply by sending your application via email. You can find it in the "How to Apply" section here: 26-54 NITOAD Operating Systems Administrator.pdf. Attach your cover letter, resume, references and the AO-78 in one pdf. Incomplete applications will not be considered.

To request a reasonable accommodation for any part of the application or interview process, contact personnel administrator

Michelle Higgins at 210-981-2081.

The Federal Public Defender is an equal-opportunity employer.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,661,131 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

DevOps
Similar stack
Same company
San Antonio
≈ $101k – $205k per year (Estimated) • In office • 3+ years exp • Plano
Python
DevOps
Terraform
AWS
Kubernetes
Amazon EKS
Amazon ECS
Management
ITIL
Apply
≈ $69k – $139k per year (Estimated) • In office • Full-Time • 2+ years exp • Bachelor's Degree • New Orleans
Apply
≈ $100k – $193k per year (Estimated) • In office • Secret • 6+ years exp • Dahlgren
DevOps
Red Hat
Windows Server
Linux
Windows
Unix
DNS
Apply
≈ $94k – $182k per year (Estimated) • In office • Secret • 6+ years exp • Dahlgren
DevOps
Windows Server
Windows
Apply
≈ $100k – $193k per year (Estimated) • In office • Secret • 6+ years exp • Dahlgren
DevOps
Red Hat
Windows Server
Linux
Windows
Unix
DNS
Apply
$108k – $131k per year • In office • 11+ years exp • Bachelor's Degree • United States
Python
PowerShell
Bash
DevOps
Red Hat
VMWare
Windows Server
Linux
Windows
TCP/IP
DNS
DHCP
Cybersecurity
Active Directory
Apply
≈ $58k – $115k per year (Estimated) • In office • Contractor • Dortmund
Python
PowerShell
Bash
DevOps
Terraform
GCP
Azure
CI/CD
AWS
Docker
Bitbucket
GitHub
GitLab
Windows
Apply
$70k – $110k per year • In office • 10+ years exp • Bachelor's Degree • Jacksonville
DevOps
Azure
AWS
Windows
Cybersecurity
Active Directory
Management
Microsoft Teams
Apply
$70k – $110k per year • In office • 10+ years exp • Bachelor's Degree • Lewiston
DevOps
Azure
AWS
Windows
Cybersecurity
Active Directory
Management
Microsoft Teams
Apply
$107k – $146k per year • In office • 12+ years exp • Bachelor's Degree • United States
Python
JavaScript
Java
PowerShell
Bash
Java
Apache Tomcat
Frontend
npm
DevOps
Ansible
Red Hat
OpenShift
VMWare
Docker
Kubernetes
HPC
Linux
DNS
DHCP
VLAN
Apache HTTP Server
Cybersecurity
Active Directory
LDAP
Apply
Investigator 9 days ago
≈ $56k – $112k per year (Estimated) • In office • Full-Time • 3+ years exp • High School Diploma • San Antonio
Apply
Legal Assistant 1 month ago
≈ $49k – $118k per year (Estimated) • In office • Full-Time • 2+ years exp • High School Diploma • Del Rio
Management
Microsoft Office
Apply
Legal Assistant 1 month ago
≈ $49k – $118k per year (Estimated) • In office • Full-Time • 2+ years exp • High School Diploma • United States
Management
Microsoft Office
Apply
≈ $73k – $180k per year (Estimated) • In office • Full-Time • 3+ years exp • Del Rio
Apply
≈ $68k – $166k per year (Estimated) • In office • Full-Time • 3+ years exp • Midland
Apply
$28k – $38k per year • In office • Part-Time • 1+ year exp • High School Diploma • San Antonio
Apply
$36k – $50k per year • In office • 1+ year exp • High School Diploma • San Antonio
Apply
≈ $39k – $87k per year (Estimated) • Remote (United States) • San Antonio
DevOps
DHCP
Wi-Fi
Apply
$34k – $38k per year • Equity • In office • 2+ years exp • Bachelor's Degree • San Antonio
Apply
$34k – $38k per year • Equity • In office • 2+ years exp • Bachelor's Degree • San Antonio
Apply
See all jobs
This is one of many
1,661,131 more open roles from verified company boards, updated every day.