Windows System Administrator - TS/SCI Required

DescriptionTEKsystems is seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. This position is based in Arlington, VA and is 100% on-site. 2nd Shift hours are Monday-Friday, 12pm-8pm.Primary Responsibilities • Create, maintain, and implement detailed documentation for standard systems operating procedures to be used across the enterprise. • Develop, implement, and monitor policies and standards for allocation related to the use of computing resources. • Analyze available hardware and software from outside vendors and make recommendation for purchase and installation of cost-effective solutions. • Review work performed by lower-level technical staff. • Work both independently as well as in coordination with network administrators to maintain the smooth operation of a multi-user computer system.Basic Qualifications: • Experience with configuration, troubleshooting and maintaining VMware environments. • Experience with Remote Desktop Services • Experience with PowerShell scripting and experience in other languages like Python. • Experience with application of security settings and other commercial best practices such as DISA STIGS. • Experience with Security Content Automation Protocol (SCAP) • Experience with Group Policy Management (GPO) and applying Local Security Policies • Experience with Windows Task Scheduler • Experience Managing Active Directory • Experience with System (hardware) and application (software) installation and configuration. • Application of security settings and other commercial best practices such as DISA STIGS.Additional Skills & QualificationsPreferred Qualifications • Prior experienced with DISA and DISA’s support to mission partners • TS/SCI w/CI Poly Preferred • Integration of Network Management (NM) and Element Management (EM) systems with network performance, trouble ticketing, and security subsystems highly desired. • Experience with support systems to include enclave Ethernet switches, storage area networks (SAN), and network attached storage (NAS). • Candidates with a thorough knowledge of networking principles to included TCP/IP a plus. • Experience with a ticketing system such as BMC Remedy. • ITIL v3 Foundation certified • Linux OS experience. • Solaris OS experience. • Experience working with virtual environments.Job Type & LocationThis is a Contract position based out of Arlington, VA.

Pay and BenefitsThe pay range for this position is $50.00 - $65.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.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 Arlington,VA.

Application DeadlineThis position is anticipated to close on Aug 31, 2026.

About TEKsystems

We'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.