Senior Systems Engineer
Leidos
Listing collected from Leidos's career site. NextChapter is independent of Leidos.
St. Petersburg, FL · Posted October 16, 2026
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November 2026
- #5Best cities for junior jobs in Florida40% · of 21
- #12Best college towns for junior jobs in the Southeast42% · of 64
- #17Cities where the biggest share of jobs do not need a four-year degree in the Southeast19% · of 69
- #19Best cities for junior jobs in the Southeast40% · of 87
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 192 open senior systems engineer listings that state pay, the middle half runs $133,000 to $174,000 and the median is $133,000.
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Senior Systems Engineer salaries by state · Check your own pay
Leidos has filed 4 layoff notices in the last twelve months, covering 404 workers, most recently September 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
The Maritime Systems Division of Leidos is seeking a systems engineer with experience Model Based Systems Engineering, requirements development, test plan and procedure creation, and algorithm development. A successful candidate will have a strong understanding of systems engineering processes and experience with hardware/software integration. Customer communication skills are highly desirable.
The candidate should work well in a collaborative environment, understand Agile development methodologies, and seek to identify and champion both technical and process innovations.
The C4I Prototype is a new product that is rapidly maturing and nearing readiness for deployment. The program provides for deployment, monitoring, and communications of a buoy that includes a software defined radio. The implementation in Rust controls the radio in meeting key mission objectives. Tasking and responsibilities will vary depending on project objectives and may extend to programs beyond the C4I Prototype.
Primary Responsibilities
Support the development and maintenance of systems engineering artifacts including:
Requirements
SysML models
Test Plans
Test Procedures
Formal Test Reports
Basic Qualifications
US Citizenship required
Requires BS degree in Computer Science, Computer Engineering, Electrical Engineering, Mechanical Engineering, Physics, or Mathematics and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience.
Active Secret clearance
Proven experience in all phases of Systems Engineering including requirements, algorithms, integration, test, and modeling
Excellent verbal, written and interpersonal communication skills are required for an effective interface with all internal and external contacts.
Possess business and technical vision
Experience with SysML
Preferred Qualifications
Experience with the Navy’s Cooperative Engagement Capability
Experience using the Atlassian toolset
Experience with Cameo/Magic Draw
Experience in Agile development methods, including Scrum
Experience developing and giving presentations to a government customer
Experience with MATLAB is beneficial.
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 16, 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 $87,100.00 - $157,450.00
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.