de Glossar


Sigrist - Manufacturer of High Quality Process Photometers

Sigrist-Photometer AG, with its roots and headquarters in Ennetbürgen in Switzerland, has been developing, manufacturing and marketing high-quality optical measuring instruments for use in the fields of water treatment, food industry, industrial processes as well as traffic and environment since 1946. The company is one of the technology and quality leaders and sells its products in more than 80 countries. With great commitment, its 85 employees contribute to the sustainable positive development of the company and its value-based culture.

The wide network of sales and service partners provides competent advice worldwide and supports customers in the practical use and service of all Sigrist products and systems.

What our employees say

Our open positions

Sigrist headquarters



Mathias Bermejo Director of Personnel and Business Administration
Florian Bodmer Director of Sales and Distribution
Dr. Marc Achermann Director of Research and Development
Ruedi Tschanz Director of Production
Matthias Schulthess Director of Product Management and Customer Service




One of the first Sigrist Photometer


Working at Sigrist

As a locally rooted and globally active SME, we create and maintain professionally and personally attractive jobs in Central Switzerland. With around 30 different job profiles in the areas of sales, development, production and administration, we offer a variety of interesting jobs in the beautiful place of Ennetbürgen.

We cultivate an appreciative, open and familiar company culture, in which the development of the expertise and social skills of our employees is of great importance. In addition to this, the cooperation in partnership between all stakeholders and the employee as an individual is anchored in our guiding values.

With part-time work, home office and flexible working hours, we are committed to helping our employees combine family and career. At the same time, we support individual training and create development opportunities to provide targeted career advancement for our approximately 85 employees.

What our employees say

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Open Positions

Join our team and participate in the creation of innovation, quality and precision.

Sigrist Switzerland (Ennetbürgen NW)

Sigrist Germany (Estenfeld)

You have not found a suitable position? As a growing Swiss SME, we are always interested in high-performing and quality-conscious employees at all levels of the company. Send us your complete application documents without obligation.

Training / Internship

With passion, flexibility and individuality, we are committed to training young professionals in the following professions:

  • Electronics Technician EFZ
  • Logistician EFZ
  • Polymechanic EFZ

We also offer trial apprenticeships as part of the career selection process.

Interested? Then we are looking forward to your application.

For students of the University of Applied Sciences who have not completed an apprenticeship in a relevant profession, we offer tailor-made, professional internships as a competent industrial partner. In doing so, students can put their basic knowledge into practice and gain practical industrial experience in the relevant field.


Das sagen unsere Mitarbeitenden über uns

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The goal of our management system is to permanently improve all internal processes and activities, and also to optimally tailor our services and products according to the needs and expectations of our customers and stakeholders. To this end, our management system is a comprehensive planning, management and control tool for the constant optimization of our processes and services.

Zertifikat ISO 9001:2015

System certifications

  • Quality management according to ISO 9001:2015
  • Environmental management according to ISO 14001:2015
  • Occupational health and safety management according to ISO 45001:2018

Product certifications and testing

  • ATEX 2014/34/EU, EN ISO 80079-34 and IECEx OD 025 Ed. 3 for equipment used in explosive atmospheres
  • Manufacturer’s declarations according to EN 1935/2004 for equipment with special hygiene requirements
  • Component certifications according to the European Hygienic Engineering & Design Group (EHEDG) (Type EL – Class I) for individual instruments.
  • Suitability criteria met according to EN 14181 and EN 14956 QAL 1 for dust measuring devices.
  • IMO certificate (U.S. Coast Guard Certificate) and KCs certificate (Korea Safety Certification)

These certificates can be found on the corresponding product page, under documents / certificates.

Other roles and commitments

  • Member of the SUVA "Sicherheits-Charta" (safety charter)
  • We support the “Conflict Minerals” supply chain initiative as detailed in the Dodd-Frank Wall Street Reform and Consumer Protection Act. As a manufacturer of optical measuring instruments, we strive to ensure all of our purchased parts are made from conflict-free materials.
  • We fully implement the provisions of the RoHS Directive 2011/65/EU. Our products do not contain any substances in concentrations that exceed the limits for forbidden materials as detailed in the EU Directive.


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René Gehri
Water, Beverages & Food, Industrial Processes
Florian Bodmer
Ihr Businesspartner für Getränke & Lebensmittel:
Für Wasser, Industrielle Prozesse, Verkehr & Umwelt kontaktieren Sie unseren Hauptsitz.

Your distribution partner for beverages & food:
For water, industrial processes, traffic & environment please contact our headquarters

Ihr Businesspartner für Getränke & Lebensmittel:
Für Wasser, Industrielle Prozesse, Verkehr & Umwelt kontaktieren Sie unseren Hauptsitz.

Your distribution partner for beverages & food:
For water, industrial processes, traffic & environment please contact our headquarters

Contact headquarters

Felix Joller
Sales Manager ScrubberGuard
Montag–Freitag 08:00–12:00 und 13:30–17:00
Feiertage & Betriebsferien:
Seppitag: 19. März 2024, Ostern: 29. März – 01. April 2024, Auffahrt: 09. Mai 2024, Pfingstmontag: 20. Mai 2024, Fronleichnam: 30. Mai 2024, Bundesfeiertag: 01. August 2024, Maria Himmelfahrt: 15. August 2024, Allerheiligen: 01. November 2024, Maria Empfängnis: 08. Dezember 2024, Betriebsferien: 24. Dezember 2024 – 02. Januar 2025
Opening hours:
Monday–Friday 08:00am–12:00pm und 1:30pm–5:00pm
Public & company holidays:
St Joseph's Day: 19. March 2024, Easter: 29. March – 01. April 2024, Ascension Day: 09. May 2024, Whit Monday: 20. May 2024, Corpus Christi: 30. May 2024, Federal Holiday: 01. August 2024, Assumption Day: 15. August 2024, All Saints Day: 01. November 2024, Conception of Mary: 08. December 2024, Company holidays: 24. December 2024 – 02. January 2025