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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Test Automation Engineer - **Company:** The 3M Company - **Location:** Maplewood, MN, United States - **Experience:** Expert - **Salary:** $145,676.0 - $178,049.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, C++ (Programming Language), Computer Networks, Databases, Computer Engineering, Embedded Software, Interoperability, Message Queuing Telemetry Transport (MQTT), Software Tools, OPC Unified Architecture, Software Engineering, Software Systems, Systems Integration, Working Model 2D, Wi-Fi Technology, Backend, Information Technology, Low Latency, Software Performance, Service Stack - **Published:** October 11, 2026 - **Apply:** https://www.juju.com/job/1_3m2-R01168756 ## About the Role Here, you will make an impact by: + Designing, coding, and maintaining automated tests for server-side software components, APIs, services, and integrations. + Developing and enhancing reusable automation frameworks, test utilities, mock services, and validation tools. + 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. + Identifying, documenting, troubleshooting, and tracking software defects in collaboration with development teams. + 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 Engineeringor a related technical field (completed and verified prior to start)from an accredited institution. + Seven (7) years of software development experience including coding automated tests for server-side or backend software systemsin 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. + Experience testing APIs, services, databases, and distributed software systems. + Have a working knowledge of industrial automation protocols such as CIP, OPC-UA, and MQTT. + Experience with C/C++ and embedded applications. + Understanding of low-latency, time-critical network communications over Wi-Fi + 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. ## Description 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.** **3M Global Terms of Use and Privacy Statement** Carefully read these Terms of Use before using this website. Your access to and use of this website and application for a job at 3M are conditioned on your acceptance and compliance with these terms. Please click on the following links and select the country where you are applying for employment to review the applicable Terms of Use (link here) (https://multimedia.3m.com/mws/media/2653553O/3m-website-terms-of-use-global.pdf) and Privacy Policy (link here) (https://multimedia.3m.com/mws/media/1259100O/3m-jobs-country-data-privacy-statements-internal.pdf) . Before submitting your application, you will be asked to confirm your agreement with the terms. At 3M we apply science in collaborative ways to improve lives daily as our employees connect with customers all around the world. Learn more about 3M's creative solutions to global challenges at www.3M.com or on Twitter @3M or @3MNews. 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.