Principal Systems Administrator

Leidos; Bethesda (MD); On-site; USD 126,000 - 210,000; Full time

Job summary

Leidos in Bethesda, MD seeks a Principal Systems Administrator to support IS ASBA operations. You will deliver enterprise IT services across multi-enclave networks, leveraging SIEM/ITSM tools and collaborating with stakeholders.

Top candidates hold an active TS/SCI with Polygraph and have strong leadership and communication skills. Responsibilities include M&S ops in a large environment, mentoring staff, documenting processes, and providing root-cause analyses to improve reliability.

Qualifications

• Bachelor's degree with 12+ years or Master's with 10+ years (additional experience may substitute).
• Active TS/SCI with a Polygraph required.
• Ability to communicate effectively with executive leadership regarding significant matters.
• In-depth understanding of technical principles and their application across the program.
• Serves as a subject matter expert within the technical domain area.
• Excellent oral and written communication skills.

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 issues.
• Coordinate with customers and stakeholders to collect data, conduct analysis, and implement incident solutions.
• Provide general systems administration mentoring and training to personnel.
• Develop and update operations and maintenance documentation.
• Resolve highly complex problems with significant technical knowledge and analysis.
• Provide root cause analysis and reporting for process improvements.
• Remotely log into end-user endpoints to perform configuration and remediation actions.

Skills

Communication with leadership

Subject matter expert

Analytical thinking

Mentoring

Education

Bachelor's degree

Master'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. 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.