Associate Software Development Engineer In Test Jobs in Mississippi

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Are you ready for your next challenge?

Leidos is seeking Computer Engineers and Electrical Engineers for cutting-edge engineering efforts within the Maritime System Solutions (MSS) Portfolio of our Undersea Systems Division (USD). This role is an opportunity to contribute to innovation in underwater vehicle systems, maritime sensors, subsea telemetry, and ISR solutions that support critical defense and national security missions.

What's in it for you?

You'll work with a multidisciplinary team developing advanced maritime technologies, from prototype design to full-scale system deployment for ongoing Navy missions.

THE CHALLENGE (primary responsibilities)

Leidos' Undersea Systems Division is a recognized leader in C4ISR technologies, delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms. We're known for achieving "industry firsts" in the most challenging maritime domains.

Join us and be part of a world-class team delivering unmatched solutions for today's most pressing maritime missions.

• Make an Impact: Your work will directly support U.S. maritime dominance and national security.

• Lead Innovation: Be at the forefront of applying innovative technology and autonomy to real-world maritime systems.

• Work with Experts: Collaborate with a top-tier team of engineers, scientists, and technicians located across the U.S.

• Shape the Future: Help us build next-generation subsea technologies.

What You'll Do

• Contribute to technical innovation and product improvements aligned with customer needs and mission goals.

• Firmware & Software development for microcontrollers and FPGAs.

• Circuit board level design of high reliability, high voltage (1kV or greater) DC/DC power systems

• Circuit board level design of simultaneously sampled remote analog data acquisition equipment

• Design of long-distance fiber optic telemetry systems

• Support system architecture, subsystem trade studies, and design decisions across hardware, firmware, software, mechanical, manufacturing, and test disciplines.

• Plan, execute, and document verification and validation activities, including engineering tests, qualification tests, acceptance tests, troubleshooting, and anomaly resolution.

• Create and maintain engineering documentation including specifications, interface control documents, schematics, test procedures, test reports, design analyses, build documentation, and lifecycle support artifacts.

• Support design reviews, production readiness reviews, failure investigations, corrective actions, and technical risk reduction activities.

• Work with manufacturing, quality, supply chain, and program teams to transition designs from prototype through production and field support.

• Contribute to configuration management, change control, design release, and product baseline maintenance for hardware, firmware, and documentation.

WHAT SETS YOU APART (basic qualifications)

• Bachelor's degree or Master's degree in Electrical or Computer Engineering

• At least 1 year of experience with subsea maritime systems or other integrated electro-mechanical systems

• Experience with requirements traceability, verification planning, and objective quality evidence (OQE) generation.

• Experience with design, prototype, production and test of multi-layer printed circuit board assemblies (PCBAs)

• Experience with FPGAs, MCUs and Hardware Description Languages (VHDL, Verilog)

• Experience with Python, Bash, MATLAB, SPICE, C/C++

• Functional literacy of Linux operating systems and ability to use basic command line tools

• Ability to apply basic software engineering practices to firmware & software development

• Ability to troubleshoot complex integrated systems across electronics, firmware, software, sensors, telemetry, power, and mechanical interfaces.

• Experience producing complete and accurate engineering documentation, including designs, procedures, analyses, and test results, suitable for design reviews, manufacturing, quality, program execution, and long-term sustainment.

• Experience working independently and collaboratively towards defined objectives within a multidisciplinary geographically diverse team

• U.S. Citizenship with ability to obtain a SECRET clearance

Preferred Experience:

• Experience with Altium Designer

• Experience with Xilinx Zynq FPGAs and Vivado IDE

• Experience with cross-platform compiling C/C++ for ARM systems

• Experience with Microchip PIC32 & PIC24, STMicroelectronics STM32

• Experience with UUVs, deployed subsea systems, and underwater payloads

• Familiarity with ISO 9001:2015 and quality-focused engineering processes

• Exposure to DoD technical program execution

• Familiarity with IPC-A-610 and J-STD-001

• Willing to travel up to 10%

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.

The 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.