
Working at STS
For over 35 years, we at STS in Sirnach have been developing and manufacturing precise pressure measurement solutions for demanding applications worldwide. Our approximately 130 employees work with dedication and expertise to understand and implement the specific requirements of our customers.
Tailor-made solutions are created at our innovation center in Sirnach - from the initial idea to series production. We rely on interdisciplinary collaboration, short decision-making processes and a culture of thinking along with our customers.
Become part of our team
Do you enjoy technology that works and prefer to take on responsibility rather than just completing tasks? Do you have the courage to question things and are you interested in open and uncomplicated cooperation at eye level? Then we have a few things in common. We look forward to getting to know you!
Vacancies
SWITZERLAND, Sirnach, Thurgau
Head of Development & Engineering (100%)
Immediately or by arrangement
What we’re looking for:
We are seeking a strong leader with technical depth and entrepreneurial thinking to take our products and customer-specific solutions to the next level. In this key role, you will shape the technological advancement of our company together with a dedicated team.
You combine strategic vision with operational execution, act in a structured and pragmatic way, and consistently drive projects to success. Your openness to change, your clear leadership style, and your passion for technical excellence make you the ideal fit for this position.
Your responsibilities:
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Operational management of employees in Development, Engineering, and Project Management
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Ensuring efficient, agile project management – hands-on and results-oriented
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Responsibility for quality, timelines, and budgets within projects
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Further development of internal processes and standards in your area of responsibility
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Fostering a culture of trust, execution power, innovation, and pragmatic thinking
Your profile:
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Technical university degree
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Extensive experience leading interdisciplinary teams (internal and external)
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Strong technical expertise in development, engineering, industrialization, and project management of products, customized solutions, and related tools
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Willingness to travel internationally to our customers and locations
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Excellent command of German and English
You as a person:
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You lead with respect, clarity, and integrity
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You are hands-on, decisive, and stay on top of things even in complex situations
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You think entrepreneurially, act pragmatically, and get things done
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You know how to connect technology and organization, and how to inspire people towards shared goals
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You communicate openly, bring in ideas, and foster cross-team collaboration
What to expect at STS:
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A central role in a globally active Swiss technology company
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Room for impact and growth in a phase of transformation
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A professional and collaborative environment with short decision-making paths
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A modern workplace with flexible working models
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Flat hierarchies, real responsibility, and genuine team spirit
Ready for your next step?
We look forward to your application. Please submit your complete documents via the “Apply now” button.
If you have any questions, Dr. Holger von Both, CEO, will be happy to assist you.
Area Sales Manager (100 %)
Immediately or by arrangement
Your tasks
- Customer support: You take over, support and expand existing national and international customers (cross-selling, upselling)
- New customer acquisition: you generate new national and international customers through targeted acquisition measures
- Sales processes: You manage sales opportunities including the preparation of offers, follow-up and negotiation of contracts
- Project support: You ensure the professional support of sales projects
- CRM maintenance: You maintain our CRM system (HubSpot) with the corresponding data
- Willingness to travel: You are prepared to travel at least 60% nationally and internationally
Your profile
- Education: You are a technician or graduate engineer or have a comparable qualification
- Further training: You have further training in business administration
- Languages: You are fluent in English
- Experience: You have sound sales experience
- Specialist knowledge: You have basic knowledge of sensor technology
You as a person
- Goal orientation: You have a positive mindset and want to achieve set goals
- Willingness to learn: You are open-minded and eager to learn
- Team spirit: You enjoy working in a team and are good at approaching people
- Personal responsibility: Entrepreneurial action and initiative are a matter of course for you
What we offer
- Responsibility: High level of competence
- Flexibility: Flexible working hours (home office)
- Working environment: Helpful and motivated colleagues
- Atmosphere: Familiar working atmosphere
- Induction: Structured induction program
For further information, please contact Mr. Dominik Sutter (CSO). Please send your application via the "Apply now" button. We look forward to receiving your application!
Developer for Operating Equipment (100%)
Immediately or by arrangement
Your tasks
- Development: Design and development of complex equipment to support production processes, including connection to database systems.
- Implementation: Implementation and qualification of equipment and training of employees.
- Optimization: Strategic analysis and improvement of existing equipment to increase efficiency and product quality.
- Cooperation: Close cooperation and coordination with production, quality assurance and engineering.
- Documentation: Creation and maintenance of technical documentation and detailed operating and service instructions.
Your profile
- Education: Degree in engineering or comparable qualification.
- Experience: Several years of extensive experience in the development and implementation of complex equipment in the manufacturing industry.
- Knowledge: Sound knowledge of LabVIEW and basic knowledge of TestStand. Experience with hardware, database systems and other programming languages an advantage.
- Communication: Very good knowledge of German and English.
You as a person
- Confidence: You like to approach people, support your colleagues and build trust.
- Courage: You are characterized by a proactive, structured, independent way of working and are happy to take responsibility for complex projects.
- Passion: You have analytical skills, are open to new methods and technologies and share your passion by communicating knowledge in an understandable way.
- Team spirit: You value regular exchanges in an interdisciplinary team and actively contribute to an open communication culture and a positive working atmosphere.
What we offer
- Varied activities: A challenging and varied job in a dynamic and innovative working environment.
- Creative team: A well-coordinated, creative and competent team that supports each other.
- Opportunities to help shape the company: High level of co-design opportunities and the chance to influence the future of our company.
For further information, please contact Mr. Lukas Lehr. Please send your application via the "Apply now" button. We look forward to receiving your application!
Project Manager Product Development (100%)
Immediately or by arrangement
Your tasks
- Collaboration: You enjoy working in interdisciplinary teams as well as with customers and external development partners, also internationally.
- Project management: You will assume comprehensive responsibility for the development and industrialization of sensor products and customer-specific solutions. You will manage projects from the concept phase through to market launch and ensure that all project goals are achieved in terms of quality, cost and timeframe.
- Project reporting: You report regularly and transparently on the project status, budget and milestones, including in higher-level meetings, and consistently track the achievement of objectives.
- Development process: You are experienced in development processes, particularly in a regulatory environment, and can navigate and complete complex projects with confidence.
Your profile
- Education: Completed technical studies, ideally supplemented by further training in project management.
- Experience: Several years of experience in managing projects in the manufacturing industry and in the technical management of interdisciplinary teams. You have already successfully implemented complex projects and have sound knowledge of project management.
- Entrepreneurial thinking: You have an entrepreneurial mindset and communicate clearly and confidently. You have a strong understanding of economic interrelationships and can make strategic decisions.
- Language skills: Very good German and English language skills are required.
- Willingness to travel: You are prepared to travel 10-20% of your working time.
You as a person
- Confidence: You enjoy approaching people, supporting your colleagues and building trust.
- Courage: Independent, structured working methods and initiative are a matter of course for you. You are not afraid to take on responsibility and make difficult decisions.
- Passion: You have analytical skills, are open to new methods and technologies and share your passion by communicating knowledge in an understandable way.
- Team spirit: Regular exchange within an interdisciplinary team is a matter of course for you. You promote open communication and a positive working atmosphere.
What we offer
- Varied activities: An exciting and varied job in a dynamic working environment.
- Creative team: A well-coordinated, creative and competent team that supports each other.
- Opportunities to help shape the company: Active co-design opportunities and the chance to help shape the future of our company.
For further information, please contact Dr. Holger von Both. Please send your application via the "Apply now" button. We look forward to receiving your application!
Accountant / Administrative Assistant (50%)
Immediately or by arrangement
- Finance: You will support the accounting department in financial accounting, reconciliation and the preparation of monthly and annual financial statements.
- Administration: You will take on general administrative tasks, coordinate internal processes and ensure a smooth flow of information.
- Organisation: You will assist with scheduling, correspondence and document management.
- Collaboration: You will work closely with HR, finance and other internal departments and actively contribute to efficient processes.
Your profile:
- Basic commercial training with further education and experience in finance and accounting (e.g. finance and accounting certificate an advantage).
- Several years of experience in accounting and administration, ideally in an international SME.
- Confident use of modern IT tools and in-depth knowledge of ERP systems, preferably Microsoft Business Central 365.
- Very good German skills and good written and spoken English skills.
- Precise, independent and structured way of working with a high sense of responsibility.
You as a person:
- Trust: You work reliably and responsibly and value open, collegial cooperation.
- Courage: You show initiative, take responsibility and are not afraid to tackle things actively.
- Passion: You enjoy working with numbers, organisation and administration and apply your skills with commitment.
- Team spirit: You promote respectful cooperation, are communicative and maintain an overview even in hectic phases.What we offer:
What we offer:
- Varied tasks: A diverse position with insight into accounting, administration and internal processes.
- Qualified team: A motivated, well-coordinated and supportive team.
- Opportunities to contribute: Room for initiative and the chance to actively shape processes.
- Flexibility: Modern working conditions and part-time hours that leave room for your personal planning.
For further information, please contact Theresa Di Stasio (hr@stssensors.com). We look forward to receiving your application. Please send your complete application documents exclusively to hr@stssensors.com.
Purchasing clerk (50–80%)
Immediately or by arrangement
- Procurement and securing materials: With your proactive approach and forward-looking demand planning, you will ensure the supply security of mechanical and electronic components and assemblies.
- Quality: With your keen understanding of quality, you will guarantee a flawless supply of materials in close cooperation with suppliers.
- Support: You will actively participate in strategic purchasing projects with interdisciplinary teams, communicate with suppliers and support other teams with your purchasing expertise.
- Optimisation: Using analyses and modern IT tools, you will improve material availability and maintain procurement and material master data in the ERP system.
- Collaboration: You are a reliable, independent person with a positive attitude to work. Internally, you maintain the network and support the interfaces (development, quality assurance, product management and production) by working closely together in a friendly, international SME.
- Education: Basic technical training followed by further training in the commercial field or commercial training with additional technical qualifications.
- Experience: You have several years of professional experience in the industrial manufacturing environment, ideally supplemented by relevant further training (e.g. purchasing clerk, purchasing specialist, technical commercial clerk).
- Working style: You work in a structured manner and have strong negotiating skills. You act according to entrepreneurial principles and communicate clearly and convincingly.
- Language skills: Very good German and English skills are required.
- IT affinity: You are proficient in the use of modern IT tools and have in-depth knowledge of ERP systems, ideally Microsoft Business Central 365 and/or Dynamics 365 Finance & Operations.
- Trust: You enjoy talking to people, actively support your teammates and promote open, trusting cooperation.
- Courage: An independent, structured way of working and initiative come naturally to you. You enjoy taking on responsibility and are not afraid to actively tackle challenging tasks.
- Passion: You have analytical skills, are open to new methods and convey your enthusiasm through clear and understandable knowledge transfer.
- Team spirit: Regular exchange within an interdisciplinary team is a matter of course for you. You promote open communication and a positive working atmosphere.
- Varied work: Exciting and varied work in a dynamic, international working environment.
- Qualified team: A well-coordinated, creative and competent team that supports each other.
- Opportunities to get involved: Active opportunities to get involved and the chance to help shape the future of our company.
GERMANY, Sindelfingen, Baden-Württemberg
Sales Representative Southern Germany (100 %)
Immediately or by arrangement
Your tasks
- Customer support: Manage and support our existing customer base in Southern Germany.
- New business development: Acquire new customers through targeted sales initiatives.
- Sales project management: Ensure professional handling and execution of sales projects.
- Solution matching: Identify and connect customer applications with our development capabilities.
- Field presence: Spend 3–4 days per week on-site with customers.
Your profile
- Education: Degree as a technician, engineer (Dipl.-Ing.), or equivalent technical background.
- Technical knowledge: Basic knowledge of measurement and control technology (MSR).
- Experience: Solid experience in technical sales and customer relationship management.
- Work style: Independent, self-motivated, and reliable work ethic from a home office setup.
You as a person
- Mindset: You bring a positive attitude and are driven to achieve goals.
- Openness: You are approachable, curious, and eager to learn.
- Teamwork: You enjoy working in a team and are comfortable engaging with people.
- Initiative: Entrepreneurial thinking and proactive action are second nature to you.
What we offer
- Responsibility: High level of autonomy and decision-making authority.
- Flexibility: Flexible working hours and home office option.
- Team culture: Supportive and motivated colleagues in a family-oriented work environment.
- Onboarding: Structured onboarding and training program.
- Compensation: Competitive base salary with attractive commission scheme.
- Company car: Neutral company car also available for private use.
For further information, please contact Mr. Grigorios Kenanidis. Please send your complete and compelling over the Button "Apply now".
STS as an employer

More responsibility. More impact.

Direct routes. Clear decisions.

Teamwork at eye level.

Further training with prospects.

Thinking globally, anchored locally.