Det-Tronics is a $200M global technology leader in industrial life safety solutions, specializing in high-end flame and gas detection and automation control systems. As part of Spectrum Safety Solutions with 1,700 employees across 20+ countries we serve mission-critical environments in oil & gas, clean energy, marine, and infrastructure. Backed by Sentinel Capital Partners, we’re driving innovation and growth across our portfolio.

The Principal Embedded Software Engineer will lead the firmware design, implementation and test aspects of New Product Development programs (NPD) and Sustaining products throughout their entire lifecycle. The chosen candidate will own the software architecture and design execution, along with processes, tools, and metrics used for new product development and on-going sustaining programs.

This position is located onsite in Minnesota, however if the applicant has a strong skillset and industry experience, we can offer the position as remote.

Key Responsibilities

Translate high-level concepts into robust, maintainable firmware architectures.
Capture and document requirements and rationale for regulated products to ensure traceability and compliance.
Collaborate with hardware engineers to define and implement hardware/firmware integration strategies and diagnostic coverage.
Work with Product Owners and stakeholders using Agile practices to maintain alignment and transparency throughout the development lifecycle.
Adhere to and champion development processes, lead technical reviews, and implement source code that meets product requirements and complies with coding standards.
Ensure all code is well-documented, rigorously tested, and version-controlled.
Perform unit testing using tools such as IDEs, debuggers, emulators, communication analyzers, oscilloscopes, and logic analyzers.
Provide work breakdown plans and task estimates to support project planning and tracking.
Contribute to product roadmap planning, identify competency and resource gaps, and implement plans to close the gaps.
Develop metrics to track progress and identify areas for improvement.
Support multiple product development programs simultaneously.
Develop and implement risk mitigation strategies throughout the firmware development lifecycle.

Required Qualifications

Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field.
8+ years of experience developing embedded software/firmware using C/C++.
3+ years of experience with Real-Time Operating Systems (RTOS).

Preferred Qualifications

Background in regulated industries (e.g., medical, industrial safety, automotive).
Skilled in using firmware debugging tools such as JTAG/SWD debuggers, oscilloscopes, logic analyzers, and protocol analyzers (e.g., UART, I2C, SPI, Ethernet).
Proven ability to deliver firmware across the full development lifecycle—from requirements capture to design, implementation, and validation.
Proficient in Agile development and DevOps tools such as Git, CI/CD pipelines, and automated testing frameworks.
Experience contributing to FMEAs and implementing risk mitigation strategies in firmware.
Strong communication and writing skills for collaboration with project stakeholders (Product Managers, Customers, and other Engineers).
Skilled in collaborating with other engineers to distill market needs into defined technical requirements and system/subsystem/module architectures.
Self-motivated with a proven track record of leading process improvement efforts.

Why Join Us?

Work with a globally respected brand in life safety
Influence strategic decisions at the executive level
Drive innovation and transformation in a high-growth environment
Enjoy development opportunities within a dynamic, private equity-backed company

Benefits

At Det-Tronics, we believe in taking care of our people. Our comprehensive benefits package includes:

Health & Wellness: Medical, dental, and vision insurance plans with company contributions
Financial Security: 401(k) retirement plan with company match, life and disability insurance
Time Off: Generous paid time off (PTO), holidays, and flexible scheduling options
Professional Growth: Career development programs, training opportunities, and tuition reimbursement
Employee Support: Employee Assistance Program (EAP), wellness resources, and global mobility support
Ownership Culture: Participation in our Ownership Program, empowering employees to share in our success
Candidates must be local to Bloomington, MN. No relocation will be offered.

Ready to shape the future of industrial safety?

Apply now and join us in making every life safe and sound.