This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senior System Administrator to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.
In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.
This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.
Primary Responsibilities:
Resolve access issues related to system configurations and platform-specific permissions.
Support ServiceNow and Jira access provisioning and troubleshooting.
Serve as an escalation point for technical issues beyond standard IAM workflows.
Ensure system availability and correct configuration across supported platforms.
Operate and improve User Support Systems and Services for all System users.
Fulfill account requests, onboarding, offboarding, and access requirements.
Allocate resources and provide common support services.
Troubleshoot and mitigate operational or technical issues users may encounter.
Prepare, improve, maintain, and execute a User Support Operations Plan (USOP).
Design, operate, and maintain an User Support Desk.
Provide user support services via multiple channels including email, chat, and ticketing systems.
Operate the User Support Desk across various security enclaves (IL2/IL5, IL6, JWICS).
Manage service ticket processes, including categorization, routing, and resolution.
Implement and operate access management mechanisms for data, tools, and services.
Monitor, track, and report SLA performance measures and Key Performance Parameters (KPPs).
Basic Qualifications:
Associate degree or higher from an accredited college or university OR offerings listed in DoD 8140 Training Repository OR Cloud+ or GICSP or GSEC or SSCP.
Minimum of 5 years of experience in system administration or related field.
Experience with ServiceNow and Jira.
Strong understanding of IAM workflows and system configurations.
Experience in user support operations and automation.
Ability to operate across multiple security enclaves (IL2/IL5, IL6, JWICS).
Experience in service ticket management and resolution.
Top Secret clearance required.
Preferred Qualifications:
Bachelor’s degree in Computer Science, Information Technology, or related field.
TS/SCI clearance.
Experience with cloud environments such as AWS GovCloud, SC2S AWS Secret Region Cloud, and C2S AWS Cloud.
Familiarity with DoD systems and environments.
Experience with AI/ML tools and services.
Strong problem-solving and troubleshooting skills.
Excellent communication and customer service skills.
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:March 3, 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.
Top Skills
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.
