Windows System Administrator - CESO

Windows Systems Admin (Server)

Leidos 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.

• 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.

• Experience with configuration, troubleshooting and maintaining VMware environments.
• Experience with Remote Desktop Services
• Experience with Power Shell 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.

• Windows
• Windows server
• Active directory
• GPO
• Aws

• Windows
• Windows server
• Active directory
• GPO
• Aws

• 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.

• Position for our standard Windows System Administrator.
• Server experience is a must, AWS experience is a bonus.
• Current opening is on the PM shift currently running from Noon to 8PM.
• If the customer activates the 24/7 option the timing will move to 2PM to 10PM.
• Our environment has a lot of requirement for these positions but our PM shift lead is also our Windows System lead so if the person is a little more junior within the required qualifications they will still have great support in the position.

Intermediate Level

This is a Contract position based out of Arlington, VA.

The 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)

This is a fully onsite position in Arlington, VA.

This position is anticipated to close on Aug 31, 2026.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran…