Windows Systems Administrator

Leidos Holding • $73K — $132K *
Arlington, VA 22204In-Person
Aerospace & Defense
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Bachelor's degree and 4+ years of relevant experience with Windows servers (2008r2, 2012r2) or equivalent training/experience.
  • Active TS/SCI security clearance is required.
  • Must possess DoD 8750 certification at least IAT level II (e.g. Security+ce).
  • Experience with VMware environments and Remote Desktop Services.
  • Proficient in PowerShell scripting and additional languages like Python.
  • Experience managing Active Directory and applying Local Security Policies.

Responsibilities

  • Create and maintain documentation for standard system operating procedures across the enterprise.
  • Develop, implement, and monitor IT policies regarding computing resource allocation.
  • Analyze hardware and software solutions for cost-effectiveness and make recommendations.
  • Review and oversee work performed by junior technical staff.
  • Coordinate with network administrators to ensure optimal multi-user computer system operation.

Benefits

  • Opportunity to work in cutting-edge secure cloud migration projects.
  • Work with a team focused on high-level security and automated platform development.
  • On-site position fostering direct collaboration with colleagues in Arlington, VA.
  • 2nd Shift hours allowing for potential flexibility in personal schedules.
Full Job Description
Job Description

We are currently 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. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system administration.

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

  • Bachelor's degree and 4+ years of overall related experience with a Windows servers environment (e.g. 2008r2 and 2012r2). Additional experience, education and training may be considered in lieu of degree.

  • An active TS/SCI security clearance is required for this position.

  • Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce.

  • Candidate may be asked to obtain CI Poly in future

  • 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.

Preferred 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.



Original Posting:
July 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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* Ladders Estimates

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