Principal Systems Administrator

Leidos; McLean (VA); On-site; USD 116,000 - 210,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with 6% match and immediate vest

Flexible Schedules

Discounted Stock Purchase Plans

Technical Upskilling

Education and Training Support

Parental Paid Leave

Job summary

Leidos seeks a Principal Systems Administrator to support IS ASBA, delivering complex systems and software operations in a multi-enclave enterprise. The role emphasizes incident resolution, data collection, and root-cause analysis to improve processes.

The ideal candidate will have a TS/SCI with a Polygraph and substantial experience, with strong communication to executives and stakeholders. Leidos offers competitive pay, comprehensive benefits, and career growth opportunities.

Qualifications

• Bachelor's degree with 12+ years of relevant experience or Master’s with 10+ years of relevant experience.
• Active TS/SCI with a Polygraph is required.
• Ability to communicate effectively with executive leadership regarding matters of significant importance.
• Subject matter expert within technical domain area.

Responsibilities

• Provide systems and software operations and maintenance support in a large network enterprise, multi-enclave environment.
• Coordinate with customers to collect data, conduct analysis, and implement solutions for incidents and requirements.
• Provide mentoring and training to personnel on operations and maintenance.
• Develop and update operations documentation for personnel.
• Perform remote troubleshooting and software configuration on end-user endpoints.

Skills

Executive communication

Education

Bachelor's degree

Tools

JIRA

ServiceNow

Remedy

Job description

Leidos has a new and exciting opportunity for a Principal Systems Administrator in our Intel Sector's (IS) Solutions Analysis Business Area (ASBA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Description The Principal Systems Administrator will provide customer service representative support for Service Desk operations. This role requires an individual that is technical, customer-oriented and familiar with using desktop software applications such as web browsing and client software, as well as IT Service Management software such as JIRA, ServiceNow, or Remedy. The selected individual must be detail-oriented in order to capture customer inquiries appropriately.

Primary Responsibilities:

Provides systems and software operations and maintenance support in a large network enterprise, multi-enclave environment. Rapidly distinguish isolated user problems from enterprise-wide application/system problems. Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements. Provide general systems administration mentoring and training to personnel. Develop and update operations and maintenance documentation for personnel Resolve highly complex problems using significant application of technical knowledge, conceptualizing, reasoning and interpretation. Work to convince others to accept area’s view/current practices and agree/accept new concepts, practices and approaches. Provide follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives. Remotely log into the end users' endpoint (desktops and/or servers with Windows or Linux OS) to perform technical software configuration, rebooting, and other remedial actions.

Basic Qualifications:

Bachelors degree with 12+ years of prior relevant experience or Masters with 10+ years of prior relevant experience. Additional years of experience may be substituted in lieu of a degree. Must have an active TS/SCI with a Polygraph, to be considered Ability to communicate effectively with executive leadership (internally or client) regarding matters of significant importance to the organization/project. In-depth understanding of technical principles, theories, concepts and their application across the program. Serves as a subject matter expert within technical domain area. Excellent oral and written communication skills #CABARESTON #ASBA #HALO #HALOincumbents

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. Step10 is ancient history. We're already at step30 — and moving faster than anyone else dares.

Original Posting: October 14, 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 $116,350.00 - $210,325.00 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.

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.