The Maritime Systems Division (MSD) of Leidos is currently seeking a qualified, energetic, and resourceful engineer to fill the position of PLC Software Engineer. Leidos MSD develops and deploys advanced technology solutions that address existing and emerging maritime missions of national importance for a broad range of customers across the Department of Defense, Intelligence Community, other governmental agencies, and commercial clients.
The position will develop firmware and software for applications including maritime control systems and autonomy integration efforts for unmanned systems. This is an opportunity to assist in the development and demonstration of advanced ocean sensor systems and payload subsystems as well as integration of those systems with manned and unmanned maritime platforms.
This position will support up to a 25% teleworking schedule throughout the year. It could also require travel to and coordination with engineering activities at other Leidos facilities and government facilities in multiple locations across the United States and possibly the United Kingdom. Initial focus will be supporting various US Navy programs such as the Ghost Fleet in San Diego and Port Hueneme, CA.
Primary Responsibilities
- Develop and test PLC and HMI applications serving as the integration point for multiple ship systems
- Support software engineering activities including interface design, system integration, code reviews, and software testing
- Assist in integrating subsystems and provide field support for finished systems
- Perform research and development activities in a lab, in the field, or at sea
- Provide support for scientific measurements
- Assist in producing detailed test plans, procedures, and reports
Basic Qualifications
- Bachelor's degree in Electrical, Computer, or Software Engineering from an accredited program with 2+ years of applicable experience
- Experience with PLCs or other microcontrollers, networking, GUI development
- Hands-on PLC testing and debugging using vendor IDEs and open-source tools
- Familiarity with embedded development using Linux and C/C++
- Familiarity with Microsoft Office tools (Word, Excel, PowerPoint)
- Willingness to travel on average 25% of the time
- Must be able to obtain and maintain a DoD Secret-level security clearance, ship is required.
Expectations
- Work well both independently and with a team
- Excellent communication skills
- Proactive problem solving
- Willingness to learn and improve skillsets
Preferred Qualifications
- Experience with Python, Structured Text, Rockwell PLCs, STIGs, Siemens PLCs, Git, Atlassian Tools
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Original Posting:April 21, 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 $69,550.00 - $125,725.00
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.
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