Leidos has a new and exciting opportunity for a Principal Systems Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). 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!  

Leidos is seeking a versatile and proactive Principal Systems Engineer to serve as the central point of coordination for the delivery, support, and evolution of a newly launched technical product. This role will govern operational readiness, customer support structures, and backend integrations—ensuring the team hits the ground running and stays ahead of performance challenges.

The ideal candidate is part strategist, part technologist, and all about making things work—for both users and internal teams.

Primary Responsibilities:

Serve as the primary point of contact across engineering, DevOps, and help desk functionsGovern end-to-end operations including support tickets, CONOPS development, and incident responseLead the analysis and triage of user issues—distinguishing between data, infrastructure, or software causesDefine and oversee the product's customer support system, ensuring clear escalation pathsCollaborate with backend engineers and DevOps to optimize system configuration and uptimeShape and document product operations, support processes, and usage guidanceProactively drive improvements in data handling, user workflows, and system setup

Basic Qualifications:

Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor’s degree.Twenty (20) years’ experience as a Systems Engineer supporting programs and contracts of similar scope, type, and complexity is required.Demonstrated experience in planning and leading Systems Engineering efforts is required.Clearance Required:  Must have an active TS/SCI with Polygraph.

Desired Qualifications:

Proven experience as a Systems Engineer supporting real-world deploymentsStrong understanding of DevOps, backend system architecture, and software workflowsExperience managing ticketing systems and support pipelinesAble to interpret and represent data effectively to technical and non-technical audiencesExperience developing CONOPS or similar operational frameworks

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

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Original Posting:July 23, 2025

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 $148,850.00 - $269,075.00

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.