Sr. Systems Engineer
San Diego, CA - USA
Job Summary
Leidos has a new and exciting opportunity for a Sr. Systems Engineer in our National Security Sectors (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!
Job Summary:
This projectprovidesthe full range of systems design analysis integration verification and validation activities in support of the Navys Key Management project portfolio.The selected candidate will provide systemsengineeringexpertisein the following areas: system architecture and design; development and integration; requirements analysis data flow analysis; network design and implementation; test/verification and validation; and documentation for the system.The selected candidatewillbe responsible forcollaborating with internal technical professionals on a day-to-day basis and with POCs from customer organizations when necessary.
Additionalposition responsibilities alsoinclude:
Lead system engineering hardware and software analysis to support the Navys Key Management project portfolio.
Define and apply systems engineering processes to develop systems that meet customer requirements.
Manage requirements including decomposition allocation verification and validation forsubsequentuse by the development and test teams.
Define and develop System Architecture CONOPS and use case development using systems engineering methodologies.
Participate and lead discussions at customer meetings working groups and technical interchange meetings associated with the work performed in this project.
Required to research design write and review a wide range of technical documentation that will include but not be limited to: technical manuals design specification documents interface requirements specification system user guides reference manuals installation guides and data sheets that may be required to assist with the design integration testing and fielding of the system; will provide project briefing materials upon request.
Optionto work a 9/80 work schedule (i.e. 9 hour days then work 8 hours on first Friday and off the second Friday)
The selected candidate willbe requiredto work at the customer facilities up to 5 days a week. Some teleworking may be available.
Required Qualifications:
Bachelors Degree in System Engineering Computer Science Information Systems Engineering Science Engineering Management or a related field with 8 years of experience. Will consider experience in lieu of a degree.
Position requires US citizenship and an active Secret DoD security clearance.
Experience thatdemonstratesability to analyzerisks and uncertaintiesand ability to navigate projects through established processes.
Model based systems engineering experience.
Experience with database management software such as MySQL Oracle RDBMS and Microsoft SQL Server.
Familiarity with operating systems such as Linux and UNIX.
Understanding complex system development methods.
Experience with technical documentation development.
Knowledge of software design patterns.
Knowledge of Agile Development methodologies.
DoD 8570 approved security certification (i.e. Security ) (Will be90 days after hire).
Desired Qualifications:
Software development or shell scripting experience.
Past experienceusing CAMEO a plus.
Excellent scripting skills with knowledge of programming languages such as Perl Ruby and Python.
Good knowledge of networking protocols such as TCP IP and OSI models.
PastTest DrivenDevelopment (TDD) experience a strong plus.
Experience with CUCUMBER or similar TDD automation framework a plus.
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
April 8 2026For 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 $107900.00 - $195050.00The 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.
Required Experience:
Senior IC
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.