Senior IT Systems Administrator (UNIX/Windows) – Onsite, TS/SCI

WOOD Consulting Services, Inc.

San Antonio (TX)

On-site

USD 151,000 - 166,000

Full time

14 days+
Application generator

An application made for this job — a tailored resume and cover letter that speak straight to the posting.

Get past ATS filters

Job summary

WOOD Federal Solutions, Inc. is seeking an IT Systems Administrator who thrives in fast-moving technical environments to support and maintain a broad IT infrastructure. You’ll oversee daily operations, resolve system issues, and ensure UNIX and Windows platforms remain reliable and well-optimized.

Your work includes Tier 1/2 troubleshooting, user assistance, and clear leadership communications. The role emphasizes configuring UNIX and Windows OS, OS updates, system integrity, and performance

Qualifications

  • Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
  • Bachelor's degree in a technical discipline from an accredited college or university is required.
  • Five (5) years of additional SA experience may be substituted for a bachelor's degree.

Responsibilities

  • Provide support for implementation, troubleshooting and maintenance of IT systems.
  • Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems.
  • Manage the daily activities of configuration and operation of IT systems.
  • Provide assistance to users in accessing and using IT systems.
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning.
  • Provide in-depth experience in trouble-shooting IT systems.
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
  • Configure and manage UNIX and Windows (or other applicable) operating systems and installs / loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
  • Support the design of systems, mission architecture and associated hardware.
  • Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA).
  • Analyze and resolve complex problems associated with server hardware, applications and software integration.

Skills

UNIX administration
Windows administration
Troubleshooting
IT systems operations
User support
Network knowledge

Education

Bachelor's degree in a technical discipline

Tools

UNIX
Windows Server

Job description

paid time off, sick time, 401(k), retirement plan, remote work

United States, Texas, San Antonio

Aug 19, 2026

Job ID
WOOD-0231
# Positions
2

Location

US-TX-San Antonio
Experience (Years)
15
Posted Date
5 hours ago (8/19/2026 1:16 PM)
Category
IT Operational Support


System Administrator, Level 3



Job ID
WOOD-0231
# Positions
2

Location

US-TX-San Antonio
Experience (Years)
15
Posted Date
5 hours ago (8/19/2026 1:16 PM)
Category
IT Operational Support


Overview

System Administrator, Level 3

woodfederalsolutions.com

Location: San Antonio, Texas, USA

Job Type: Full-Time

Shift: Day

Telework: None

Salary Range: **$150,800 to $165,800 per year

** Starting salary is based on minimum education and years of experience and increases based on education and/or experience.

Overview: We're looking for an IT Systems Administrator who thrives in fastmoving technical environments and enjoys keeping complex systems running at their best. In this role, you'll support and maintain a wide range of IT infrastructure-overseeing daily operations, resolving system issues, and ensuring all devices across server, storage, network, and mobile environments remain reliable. You'll handle Tier 1 and Tier 2 troubleshooting, assist users, and keep agency leadership informed through clear, timely status updates. Your work will include configuring and managing UNIX and Windows platforms, installing and updating operating systems, strengthening system integrity, and enhancing performance through thoughtful optimization. If you're ready to sharpen your skills, take on meaningful challenges, and grow your career in a role where reliability and innovation go handinhand, this opportunity is for you.

Security Clearance Requirements:

This position requires all candidates to be U.S. Citizens and possess an active TS/SCI Security Clearance with a Polygraph.



Responsibilities

    Provide support for implementation, troubleshooting and maintenance of IT systems.
  • Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems.
  • Manage the daily activities of configuration and operation of IT systems.
  • Provide assistance to users in accessing and using IT systems.
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning.
  • Provide in-depth experience in trouble-shooting IT systems.
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
  • Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
  • Support the design of systems, mission architecture and associated hardware.
  • Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA).
  • Analyze and resolve complex problems associated with server hardware, applications and software integration.


Qualifications

Required Education & Years of Experience:

  • Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
  • Bachelor's degree in a technical discipline from an accredited college or university is required.
    • Five (5) years of additional SA experience may be substituted for a bachelor's degree.


About WOOD

Fringe Benefits:

  • Health Insurance: Comprehensive medical, dental, and vision plans.
  • Retirement Plan: 401(k) with company match.
  • Paid Time Off: Generous PTO policy including vacation, sick leave, and holidays.
  • Professional Development: Opportunities for training, certifications, and career advancement.
  • Work-Life Balance: Flexible work schedules and remote work options.
  • Wellness Programs: Employee assistance programs, wellness initiatives, and gym membership discounts.

Why Join Us?

  • Career Growth: Take advantage of professional development opportunities and career advancement. As a vital part of impactful projects, you will have the chance to drive innovation and shape the future of government systems engineering.

  • Supportive Environment: Work in a collaborative and flexible environment that values work-life balance. Join a team of top-tier professionals and engage in dynamic, cross-functional collaboration. Your strategic mindset and proactive approach will be highly valued and supported.

  • Competitive Compensation: Enjoy a competitive salary and comprehensive benefits package. We recognize and reward your expertise and dedication to excellence.

WOOD Federal Solutions, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Helping all candidates find great careers is our goal. The information you provide here is secure and confidential.

We are now directing you to the original job posting. Please apply directly for this job at the employer’s website.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

System Administrator, Level 3
System Administrator, Level 3

WOOD Federal Solutions • San Antonio (TX)

On-site
USD 151,000 - 166,000
Health Insurance
401(k) Plan
Paid Time Off
+3
Senior IT Systems Administrator (TS/SCI) – Fort Meade
Senior IT Systems Administrator (TS/SCI) – Fort Meade

WOOD Consulting Services, Inc. • Fort Meade (MD)

On-site
USD 141,000 - 156,000
Health Insurance
401(k) Retirement Plan
Generous PTO
+3
System Administrator, Level 3
System Administrator, Level 3

WOOD Consulting Services, Inc. • San Antonio (TX)

On-site
USD 151,000 - 166,000
System Engineer, TS/SCI – Lifecycle & Mission Systems
System Engineer, TS/SCI – Lifecycle & Mission Systems

WOOD Consulting Services, Inc. • San Antonio (TX)

On-site
USD 164,000 - 179,000
Health Insurance
401(k) Plan
PTO
+3
System Administrator, Level 2
System Administrator, Level 2

WOOD Consulting Services, Inc. • Fort Meade (MD)

On-site
USD 141,000 - 156,000
Health Insurance
401(k) Retirement Plan
Generous PTO
+3
Software Engineer - TS/SCI Cleared (Level 1)
Software Engineer - TS/SCI Cleared (Level 1)

WOOD Consulting Services, Inc. • San Antonio (TX)

On-site
USD 130,000 - 145,000
Health Insurance
Retirement Plan
Paid Time Off
+3
System Network Administrator with Database experience
System Network Administrator with Database experience

Wood Consulting Services, Inc. • Laurel (MD)

On-site
USD 165,000 - 195,000
Health Insurance
401(k) plan
Paid Time Off
+3
System Administrator Level 2 (Infrastructure Operations)
System Administrator Level 2 (Infrastructure Operations)

WOOD Federal Solutions • Fort Meade (MD)

On-site
USD 150,000 - 215,000
Health Insurance
Retirement Plan
Paid Time Off
+3
System Administrator – Linux/Windows & Security (Mid or Senior)
System Administrator – Linux/Windows & Security (Mid or Senior)

Wood Consulting Services, Inc. • Corridor North (MD)

On-site
USD 175,000 - 210,000
Health Insurance
Retirement Plan
Paid Time Off
+3
Senior System Engineer (TS/SCI) — Mission-Critical Programs
Senior System Engineer (TS/SCI) — Mission-Critical Programs

WOOD Consulting Services, Inc. • Fort Meade (MD)

On-site
USD 204,000 - 219,000
Health Insurance
401(k) retirement plan
Paid Time Off
+4