Senior C/C++ Software Engineer

Job Description:

Collaborate with Innovative 3Mers Around the World Choosing where to start and grow your career has a major impact on your professional and personal life, so it’s equally important you know that the company that you choose to work at, and its leaders, will support and guide you. With a wide variety of people, global locations, technologies and products, 3M is a place where you can collaborate with other curious, creative 3Mers.

This position provides an opportunity to transition from other private, public, government or military experience to a 3M career.

The Impact You’ll Make in this Role As a Senior C/C++ Software Engineer, you will have the opportunity to tap into your curiosity and collaborate with some of the most innovative people around the world. Here, you will make an impact by:

• Contributing to the architecture, design, and implementation of scalable, maintainable, and high-quality software, electronic and digital solutions for Linux and Windows-based platforms.
• Developing software for Personal Safety Division's Connected Worker program.
• Designing low-latency, time-critical network communications over Wi-Fi
• Implementing short-range, low-power wireless technologies such as Bluetooth Low Energy, NFC and UWB.
• Appling security best practices, including encryption and secure communications, across system design and implementation.
• Troubleshooting and optimizing software performance, reliability, and interoperability across hardware and software interfaces.
• Developing, enhancing, and maintaining high-performance, complex C/C++ software for embedded and device-level systems.
• Providing technical leadership on a cross-functional team and contribute to engineering best practices appropriate for a mid-senior level role.

Your Skills and Expertise To set you up for success in this role from day one, 3M requires (at a minimum) the following qualifications:

• Bachelor’s degree or higher in Computer Science, Software Engineering, Computer Engineering, Information Technology, Electrical Engineering or a related technical field (completed and verified prior to start) from an accredited institution.
• Seven (7) years of full-stack or embedded device software development in a private, public, government or military environment

Additional qualifications that could help you succeed even further in this role include:

• Master’s degree in Computer Science, Software Engineering, Computer Engineering, Information Technology, Electrical Engineering or a related technical field (completed and verified prior to start) from an accredited institution.
• Deep knowledge of audio and voice processing algorithms.
• Experience with digital signal processing concepts and implementations.
• Have a working knowledge of industrial automation protocols such as CIP, OPC-UA, and MQTT.
• Ability to work effectively across a broad technology stack and to coordinate with external development resources.
• Proficiency with AI software development tools

Work location:

• Work location: This role follows an on-site working model, requiring the employee to work at least four days a week at the 3M Center in Maplewood, MN.
• Travel: May include up to 10% domestic or international
• Relocation: May be authorized

Must be legally authorized to work in country of employment without sponsorship for employment visa status (e.g., H1B status).

Supporting Your Well-being 3M offers many programs to help you live your best life – both physically and financially. To ensure competitive pay and benefits, 3M regularly benchmarks with other companies that are comparable in size and scope.

Chat with Max For assistance with searching through our current job openings or for more information about all things 3M, visit Max, our virtual recruiting assistant on 3M.com/careers.

Applicable to US Applicants Only:The expected compensation range for this position is $145 676 - $178 049, which includes base pay plus variable incentive pay, if eligible. This range represents a good faith estimate for this position. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience. In addition, this position may be eligible for a range of benefits (e.g., Medical, Dental & Vision, Health Savings Accounts, Health Care & Dependent Care Flexible Spending Accounts, Disability Benefits, Life Insurance, Voluntary Benefits, Paid Absences and Retirement Benefits, etc.). Additional information is available at: https://www.3m.com/3M/en_US/careers-us/working-at-3m/benefits/.

Good Faith Posting Date Range 11/12/2026 To 12/12/2026 Or until filled

All US-based 3M full time employees will need to sign an employee agreement as a condition of employment with 3M. This agreement lays out key terms on using 3M Confidential Information and Trade Secrets. It also has provisions discussing conflicts of interest and how inventions are assigned. Employees that are Job Grade 7 or equivalent and above may also have obligations to not compete against 3M or solicit its employees or customers, both during their employment, and for a period after they leave 3M.

Learn more about 3M’s creative solutions to the world’s problems at www.3M.com or on Instagram, Facebook, and LinkedIn @3M.

Responsibilities of this position include that corporate policies, procedures and security standards are complied with while performing assigned duties.

Safety is a core value at 3M. All employees are expected to contribute to a strong Environmental Health and Safety (EHS) culture by following safety policies, identifying hazards, and engaging in continuous improvement.

Pay & Benefits Overview: https://www.3m.com/3M/en_US/careers-us/working-at-3m/benefits/

3M does not discriminate in hiring or employment on the basis of race, color, sex, national origin, religion, age, disability, veteran status, or any other characteristic protected by applicable law.

Please note: your application may not be considered if you do not provide your education and work history, either by: 1) uploading a resume, or 2) entering the information into the application fields directly.

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