Systems Administrator
Location: Suitland, MD
Clearance: Active TS/SCI Required
Leidos is seeking an experienced Systems Administrator with Windows and macOS experience to support the Office of Naval Intelligence (ONI) in Suitland, MD.
In this role, you will provide critical IT and cybersecurity support for systems used in Scientific and Technical Intelligence (S&TI) analysis. You'll work with advanced workstations, graphics systems, laboratory equipment, and specialized technologies supporting engineering analysis, parametric modeling, and foreign material exploitation.
This is an opportunity to apply your technical expertise in a mission focused environment where system reliability, security, and performance directly support national security operations.
Primary Responsibilities
- Troubleshoot and resolve technical issues involving Windows systems, hardware, software, and network components within established timelines.
- Support Windows 11 upgrades, system maintenance, software updates, and hardware replacements.
- Perform Active Directory administration, including account creation and troubleshooting.
- Support SCCM deployments, SQL Server troubleshooting, and Group Policy updates.
- Implement and maintain Security Technical Implementation Guide (STIG) configurations and updates.
- Track and document change requests and trouble tickets using ServiceNow or Remedy AR.
- Maintain configuration management records, asset lifecycle documentation, and Standard Operating Procedures (SOPs).
- Prepare weekly reports documenting completed work and system activities.
- Support desktop system updates, security accreditation activities, and system authorizations.
- Assist with Risk Management Framework (RMF) activities and compliance with ODNI, ATLAS, DORA, ORCA, DIA, DoD, DISA, Navy, NIA, and ONI policies.
- Collaborate with technical teams to support IT infrastructure, applications, and services.
Basic Qualifications
- Active TS/SCI clearance in DISS and required program access.
- Bachelor's degree with 8+ years of experience or a Master's degree with 6+ years of experience. Additional training, certifications, or work experience may be considered in lieu of a degree.
- Active DoD 8140 IAT Level II certification (such as CompTIA Security+ CE) or the ability to obtain within 30 days of offer acceptance.
- 5+ years of Windows Systems Administration experience, including Windows 11 upgrades and extensive knowledge of Windows hardware, software, and networking components.
- Hands-on experience with Active Directory administration and account creation, SCCM deployments, SQL Server troubleshooting, Group Policy management, and STIG implementation and updates.
- Experience with IT infrastructure installation, evaluation, maintenance, and Microsoft Azure Cloud Administration.
- Knowledge and experience with C&A, DIACAP, RMF, ICD-503, and/or NIST Framework requirements.
- Experience maintaining technical documentation, preparing weekly reports, and creating and updating Standard Operating Procedures (SOPs).
- Strong troubleshooting, problem solving, and communication skills, including the ability to coordinate with technical teams to support services and applications.
- Ability to work onsite during core business hours.
Preferred Qualifications
- 1+ years of experience with Lynex administration.
- Current Microsoft Azure certification(s).
- Active DoD TS/SCI clearance with polygraph.
DABAOPP1
NITESONI
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:November 2, 2026For 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.
The Leidos pay range for this job level is a general guideline only and 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.
Skills Required
- Active TS/SCI clearance in DISS and required program access
- Bachelor’s degree with 8+ years of experience or Master’s degree with 6+ years of experience; equivalent training, certifications, or experience may substitute
- Active DoD 8140 IAT Level II certification, such as CompTIA Security+ CE, or ability to obtain within 30 days of offer acceptance
- 5+ years of Windows Systems Administration experience, including Windows 11 upgrades and Windows hardware, software, and networking components
- Hands-on experience with Active Directory administration, SCCM deployments, SQL Server troubleshooting, Group Policy management, and STIG implementation and updates
- Experience with IT infrastructure installation, evaluation, maintenance, and Microsoft Azure Cloud Administration
- Knowledge and experience with C&A, DIACAP, RMF, ICD-503, and/or NIST Framework requirements
- Experience maintaining technical documentation, preparing weekly reports, and creating and updating SOPs
- Strong troubleshooting, problem-solving, communication, and technical team coordination skills
- Ability to work onsite during core business hours
- 1+ years of Lynex administration experience
- Current Microsoft Azure certification(s)
- Active DoD TS/SCI clearance with polygraph
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
-
Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
-
Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
-
Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
