System Engineer/System Administrator with Security Clearance

R-00190722 Description Leidos is looking for a System Engineer with Systems Administration experience and some Software Engineering experience to join a high performing agile team using Agile methodology providing system and software engineering, development, test, integration and operational support. Program execution follows DEVOPS best practices and employs robust development, test and production environments.  Also requires maintenance of legacy IT systems and services.

Primary Responsibilities: The selected individual will provide hands-on system administration support for a complex network environment that is locally and with geographically distributed components. They will interface with system engineers, integration engineers, test engineers, information assurance engineers, and other project team members in an Agile environment. They will be responsible for ensuring the proper degree of engineering rigor is applied to all assigned tasks.

They will collaborate with other program technical professionals on a day-to-day basis and will be an active participant in related agile team activities. Assist with hardware and software troubleshooting, maintenance, Virtual environment stand ups, and patch installations. Be flexible enough to learn new practices and apply them as needed. Be able to assist development team with system administration and network support.

Basic Qualifications

• BS and 8+ years of prior relevant experience, Master’s with 6 years of prior relevant experience, or High School Diploma (or equivalent) and 12 years of specialized systems administration experience, which may be satisfied through relevant military service.
• US Citizenship and a Top Secret / SCI Clearance is required for this position with ability to obtain a Polygraph
• Must be capable of performing systems and software engineering activities in support of agile teams.
• Must be familiar with systems administration roles and functions.
• Must be familiar with secure systems engineering and development.
• Must be familiar with WINDOWS environments.
• Must be comfortable working on multiple systems simultaneously.
• Must have strong verbal and written communications skills.
• Must be committed to adopting and adhering to best practices.
• Must be able to communicate clearly regarding technical options and trade-offs.
• Must be comfortable working both independently and with a team in a fast-moving environment.
• Familiar with shell scripting such as PowerShell or Bash.
• Compliant with DoD 8570 IAT Level II (Security+, SSCP, etc.)
• Familiar with VM ware and Docker environments Note: Approved Military Job Codes (MOS / AFSC / SFSC / Naval Rating && NEC): To satisfy the experience requirement without a college degree, candidates must have held a relevant military technical specialty focused on IT infrastructure, routing, or systems administration.

Examples of qualifying codes include, but are not limited to: Army / Marine Corps (MOS): 35T / 33W (Military Intelligence Systems Maintainer), 25B (Information Technology Specialist), 25D (Cyber Network Defender) Navy (Rating/NEC): IT (Information Systems Technician), ITS (Information Systems Technician Submarines) Air Force (AFSC): 1D7X1 (Cyber Defense Operations) Space Force (SFSC): 5D7X1 (Cyber Space Operations) Preferred Qualifications: • Top Secret Clearance/SCI • Familiarization with a major programming language such as Python, or Java • Familiarization with LINUX environments. #Chinook #NSBA If you're looking for comfort, keep scrol ling.

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: August 27, 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 $107,900.00 - $195,050.00 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.

About 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 $16.7 billion for the fiscal year ended January 3, 2025. 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 at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work).

Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination 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.