​​Senior System Administrator​

Posted Yesterday
Be an Early Applicant
2 Locations
In-Office
92K-167K Annually
Senior level
Information Technology • Software
The Role
As a Senior System Administrator, you will resolve system access issues, manage user support operations, and ensure system configuration and availability, collaborating with various teams to improve services.
Summary Generated by Built In

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. 

#ADVANA

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, 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 $92,300.00 - $166,850.00

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

  • Associate degree or higher from an accredited college or university OR 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
  • Top Secret clearance

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

Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
Alexandria, VA
27,104 Employees
Year Founded: 1969

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.

Similar Jobs

GCyber Logo GCyber

Senior Windows System Administrator

Information Technology • Cybersecurity
In-Office
Arlington, VA, USA
48 Employees

ECS Logo ECS

System Administrator - Senior

Artificial Intelligence • Cloud • Information Technology • Security • Software
In-Office
Fairfax, VA, USA
2129 Employees
In-Office
Fort Belvoir, VA, USA
200 Employees

ECS Logo ECS

Training System Administrator - Senior

Artificial Intelligence • Cloud • Information Technology • Security • Software
In-Office
Fairfax, VA, USA
2129 Employees

Similar Companies Hiring

Golden Pet Brands Thumbnail
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo, California
178 Employees
Kepler  Thumbnail
Fintech • Software
New York, New York
6 Employees
Onshore Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
60 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account