Senior Software Engineer - C# / PLC (m/f/d)

Job Description Summary
At Colibrium Additive, part of GE Aerospace, we work every day to bring the transformative power of additive manufacturing to businesses around the globe.
In this role, you will design, develop, deliver, and maintain software applications and services that run our additive manufacturing machines. Your main focus will be on on-machine software development for electron beam-based additive manufacturing systems, primarily using C#/.NET and Python, as well as PLC programming to support machine functionality and future technology development.
This role is ideal for a hands-on software engineer who enjoys working close to the machine, combining application software, industrial communication, and controls-related development in an advanced manufacturing environment. This role is based in Mölndal, Gothenburg, and we offer a hybrid working model with up to two home-office days per week.

Job Description

Roles and Responsibilities

In this role, you will:

• Develop and enhance our EBM (Electron Beam Melting) on-machine software products in close collaboration with Product Management, Engineering leadership, and other software teams.
• Design, build, test, and maintain Windows-based machine software primarily in C#/.NET.
• Develop and maintain Siemens PLC code in TIA Portal to support machine control and future machine technology developments.
• Contribute to software solutions used for process control, as well as pre-processing and post-processing of data relevant to the additive manufacturing process.
• Define and implement robust and scalable client-server interfaces and asynchronous communication mechanisms.
• Collaborate in an Agile/Scrum team to refine requirements, develop technical solutions, and deliver high-quality software increments.
• Create and maintain technical documentation, including specifications, interface descriptions, and design documentation.
• Work closely with cross-functional stakeholders to troubleshoot issues, improve machine functionality, and support software deployment in a production environment.
• Support and coach team members by sharing technical knowledge and software development best practices.

Required Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, Mechanical Engineering, or another STEM-related field.
• Several years of professional experience in software development for industrial systems, machine software, automation software, or similar technical environments.
• Strong hands-on experience in C#/.NET and object-oriented software development; Python experience is a plus.
• Experience with or strong interest in PLC programming and working closely with machine hardware and industrial systems.
• Interest in working close to machine hardware and industrial processes.
• Good understanding of the software development lifecycle, including Agile methods, testing, maintainability, and software quality practices.
• Fluent in English.
• Strong collaboration and communication skills, with the ability to work effectively across functions and teams.

Desired Characteristics

• Experience with Siemens PLCs and TIA Portal.
• Experience with Python.
• Experience in additive manufacturing or other industrial machinery / automation environments.
• Knowledge of industrial communication protocols such as OPC UA, WebSocket, or similar.
• Comfortable working in a multidisciplinary environment combining software, hardware, and process engineering.
• Curious, hands-on mindset with a strong willingness to learn and solve technical problems.
• Ability to balance technical depth with pragmatic execution in a fast-evolving engineering environment.

Colibrium Additive, part of GE Aerospace, is an Equal Opportunity Employer where inclusion matters. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.

Why join us

At Colibrium Additive, part of GE Aerospace, you will work in a flexible, innovative, and technically advanced environment at the forefront of additive manufacturing.

We believe great work happens when people are supported both professionally and personally. That is why we encourage flexible working arrangements where possible and value a healthy work-life balance. This role is based in Mölndal, Gothenburg, and we offer a hybrid working model with up to two home-office days per week.

Joining our team means becoming part of a global and collaborative organization where you can:

• Work on exciting and meaningful technology
• Grow your skills in an advanced engineering environment
• Collaborate with experienced and committed colleagues from different cultures
• Benefit from flexible working hours as well as health and pension insurance benefits
• Build valuable experience that contributes to your long-term development

It is our people that make the difference.

#LI-MW

#LI-Hybrid

Additional Information

Relocation Assistance Provided: No