Position OverviewWe are seeking an experienced
Principal Windows Systems Administrator to join a dynamic IT team supporting classified programs. This role involves maintaining and enhancing secure, enterprise-level systems in a high-impact environment.
This is a
fully onsite position and requires working with classified systems.
Key Responsibilities- Administer and support Windows-based systems in a secure environment
- Maintain reliable operation of multi-user computer systems
- Collaborate with network engineers, system engineers, technicians, and end users
- Support multiple networks and ensure system administration tasks are completed
- Analyze requirements and recommend technical solutions
- Install, patch, upgrade, and monitor system performance
- Perform backup and recovery operations
- Manage file systems, disk space, and virus protection
- Create and manage user accounts, permissions, and access controls
- Test and validate new system releases
- Develop and maintain technical documentation
- Troubleshoot system issues across hardware, software, and network layers
- Ensure compliance with strict information security standards
- Maintain audit and logging processes
- Provide status updates on assigned efforts
- Lift equipment up to 40 lbs and support after-hours needs as required
Basic Qualifications- One of the following:
- Master's degree + 3 years of IT experience
- Bachelor's degree + 5 years of IT experience
- Associate's degree + 7 years of IT experience
- High School diploma/GED + 9 years of IT experience
- DoD 8570 IAT Level II certification or higher (e.g., Security+ CE)
- Experience managing Windows Server environments
- Experience with Active Directory, Group Policy, and domain architecture
- Active Top Secret/SCI clearance with a current or recent polygraph (within 5 years)
- Ability to obtain and maintain access to special programs
Preferred Qualifications- Bachelor's degree in Information Technology or related field
- Security+ CE, MCSE, or similar certifications
- 6+ years supporting Windows Server, VMware, Active Directory, Exchange, and Group Policy
- Experience working in secure or classified IT environments
- Familiarity with frameworks such as NISPOM, RMF, STIG, or JSIG
- Knowledge of networking concepts (subnets, routing, VLANs)
- Experience with system imaging and deployment
- VMware and SAN storage experience
- Linux administration experience and/or certifications
- Experience with monitoring tools (e.g., Splunk, SolarWinds)
- Scripting experience (mid to advanced level)
- Experience with Certification & Accreditation processes
- SAP/SAR access
Job Type & LocationThis is a Contract position based out of El Segundo, CA.
Pay and BenefitsThe pay range for this position is $30.00 - $46.50/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace TypeThis is a fully onsite position in El Segundo,CA.
Application DeadlineThis position is anticipated to close on May 31, 2026.
About TEKsystemsWe're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
About TEKsystems and TEKsystems Global Services We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.
Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.
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