Senior Software Test Automation Engineer (On-Site)

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

Job summary

3M Center in Maplewood, MN is seeking a Senior Software Test Automation Engineer to design, code, and maintain automated tests for server-side components, APIs, services, and integrations. You will help develop reusable automation frameworks, test utilities, mock services and validation tools, and apply security best practices across system design and implementation.

This mid-senior level role requires coordinating across a cross-functional team, identifying and tracking defects with development

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).
• Seven (7) years of software development experience including coding automated tests for server-side or backend software systems.

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, 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.

Skills

Automation testing

Backend testing

AI development tools

Security testing

Education

Bachelor’s degree or higher in a related technical field

Master’s degree in a related field (advantage)

Tools

C/C++

OPC UA

MQTT

Embedded systems

Job description

3M Center in Maplewood, MN is seeking a Senior Software Test Automation Engineer to design, code, and maintain automated tests for server-side components, APIs, services, and integrations. You will help develop reusable automation frameworks, test utilities, mock services and validation tools, and apply security best practices across system design and implementation.

This mid-senior level role requires coordinating across a cross-functional team, identifying and tracking defects with development