Software Test Automation Engineer

3M; Maplewood (MN); On-site; USD 146,000 - 178,000; Full time

Job summary

3M is seeking a mid-senior level software test engineer to design, code, and maintain automated tests for server-side components and APIs. You will develop reusable automation frameworks and validation tools, and ensure security is integrated across design and implementation.

The role involves troubleshooting across hardware and software interfaces and collaborating with cross-functional teams. Required are a bachelor’s degree (or higher) in a technical field and 7+ years of software development

Qualifications

• Bachelor's degree or higher in Computer Science, Software Engineering, Computer Engineering, Information Technology, Electrical Engineering or related field (completed and verified).
• Seven (7) years of software development experience including coding automated tests for server-side or backend systems.
• Master's degree in Computer Science, Software Engineering, Computer Engineering, Information Technology, Electrical Engineering or related field (completed and verified).
• Experience testing APIs, services, databases, and distributed software systems.
• 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 coordinate with external development resources.

Responsibilities

• Designing, coding, and maintaining automated tests for server-side components, APIs, services, and integrations.
• Developing and enhancing reusable automation frameworks, test utilities, mock services, and validation tools.
• Applying security best practices across system design and implementation.
• Troubleshooting and optimizing software performance, reliability, and interoperability across hardware and software interfaces.
• Identifying, documenting, troubleshooting, and tracking defects with development teams.
• Providing technical leadership on a cross-functional team and contributing to engineering best practices.

Skills

C/C++

Embedded applications

APIs testing

AI software development tools

Security best practices

Low-latency networking

Cross-team collaboration

Education

Bachelor's degree

Master's degree

Tools

OPC-UA

CIP

MQTT

Job description

Job Description

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. W ith a wide variety of people, global locations, technologies and products, 3M is a place where you can collaborate with other curious, creative 3Mers.

The Impact You'll Make in this Role

• Design ing , cod ing , and maintain ing automated tests for server-side software components, APIs, services, and integrations.
• Develop ing and enhanc ing 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.
• Identif ying , document ing , troubleshoot ing , and track ing software defects in collaboration with development teams.
• Provid ing technical leadership on a cross-functional team and contribute to engineering best practices appropriate for a mid-senior level role.

Your Skills and Expertise

• 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 software development experience including coding automated tests for server-side or backend software systems in a private, public, government or military environment
• 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.
• P roficiency 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.

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/.

All US-based 3M full time employees will need to sign an employee agreement as a condition of employment with 3M.