Senior Systems Engineer

Leidos Holdings Inc

St. Petersburg, FL

JOB DETAILS
SALARY
$87,100–$157,450 Per Year
SKILLS
Agile Programming Methodologies, Algorithms, Communication Skills, Computer Engineering, Computer Science, Electrical Engineering, Government, Hardware-Software Integration, Integration Testing, Interpersonal Skills, Legal, MATLAB, Mathematics, Mechanical Engineering, Physics, Presentation/Verbal Skills, Procedure Development, Prototyping, Requirements Management, Scrum Project Management and Software Development, Secret Clearance, Systems Engineering, Systems Maintenance, Team Player, Test Plan/Schedule, Testing, United States Citizen, Writing Skills
LOCATION
St. Petersburg, FL
POSTED
8 days ago

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:

July 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.

About the Company

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Leidos Holdings Inc

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions. We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
2013
WEBSITE
https://jobs.saic.com/