Senior Systems Engineer

Leidos has a new and exciting opportunity for a Senior Systems Engineer in our Intel Sectors, 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!

Following an initial 6–8 week onboarding period, this role offers a flexible hybrid schedule offering one day of remote work.

The Systems Engineer (SE) will work closely with the team of software developers, Subject Matter Experts, and analysts to perform requirements derivation and refinement. The candidate must be a proactive, self- starter with significant technical leadership experience and excellent communication skills.

Primary Responsibilities

Requirements gathering and development, experience with systems integration and interoperability, experience with systems design and architecture

Derive functional, system, and performance requirements

Develop various systems engineering artifacts (CONOPs, architecture diagrams, etc.)

Develop schedules for features; Perform backlog grooming

Write or review documentation

Create various status reports

Basic Qualifications

Bachelor's degree in Systems 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.

14 years' experience as a SE in programs and contracts of similar scope, type, and complexity is required.

Clearance Requirement: Top Secret/SCI with Polygraph

Preferred Qualifications

Experience in planning and leading Systems Engineering efforts

Participate in an Integrated Product Team to design new capabilities based upon evaluation of all necessary all development and operational considerations

Support the planning and test analysis of the DoD Certification/Accreditation Process (as well as other Government Certification and Accreditation (C&A) processes)ed.

Experience with Atlassian tools (Jira, Confluence)

Agile experience

Experience with MS Project and/or Visio

CONMD

CSSRC

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 23, 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 $131,300.00 - $237,350.00

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.