Principal Systems Administrator

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

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#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. Step 10 is ancient history. We’re already at step 30 - 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 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. #J-18808-Ljbffr Leidos