Annex Oil & Gas Services will never ask you to pay for anything during interviews and contracting processes. Beware of scammers and check our real offers on our career page

Careers at Annex Oil & Gas Services

You may be a seasoned professional looking to move to a dynamic, innovative organisation, or you could earn while you learn and join us as a Graduate, Professional Trainee or an Apprentice.

If you have drive, ambition and a desire to work in an international environment, then Annex Oil & Gas Services offers a fantastic chance to build a career within any of the disciplines we cover.

So’Annex People

Diversity in numbers

Year 2023

Number of employees
Different Nationalities
Countries our employees work from

Annex Oil & Gas Services’ skills management program

Bernhart Annex Oil & Gas Services Team
Christophe Bernhart
Managing Director of Annex Petroleum Services

Employees of Annex Oil & Gas Services are our greatest asset and they play an essential role in our performance.

Our skills management program aims to make our business more visible and understandable and to facilitate the support of our talents within Annex Oil & Gas Services. It identifies and develops the skills for:

  • Encouraging internal promotion, which is one of the essential values ​​of Annex Oil & Gas Services.
  • Providing a better vision of offers and career prospects within our Company, in particular, and Annex Group, in general.
  • Adapting to new markets and continuous technological developments.

The objective of this program is to support all our Employees in developing their careers and to offer a better visibility of their career paths.”

Annex Oil & Gas Services’ CSR commitment is in line with its values of proximity,
performance & responsibility

CO2 Emissions


Annex Oil & Gas Services is committed to the energy transition, therefore being exemplary in terms of environmental protection is a sign of professionalism. Shared rules that have been defined by Annex are simple to apply in the field. Our employees are encouraged to adopt them on a daily basis and incorporate them into our service offerings to help our partners and customers reduce their carbon footprint.


At Annex we consider diversity to be an integral part of corporate social responsibility and a driver for our development. Inextricably bound up with the group’s guiding principles and management values in general, it is a cornerstone of our company-wide project “SPIE, sharing a vision for the future”. Annex is committed to preventing discrimination and fostering equal opportunities and treatment, both during the recruitment process and throughout its employees’ careers.


Time for


As part of the Group’s CSR (Corporate Social Responsibility) policy, Annex Oil & Gas Services has been encouraging for several years now its employees to dedicate their time for a sustainable world by volunteering in local associations, schools and other organisations. From 2021, these actions will focus on two major themes: access to water & energy and education. Such initiatives are the perfect opportunity for our employees to put into actions our shared values of proximity and responsibility.

Ready for the next 120 years

Since its very beginnings, Annex has contributed to every subsequent technological revolution within the transport, energy and communications sectors.

The company has, alongside its employees, pursued its technical and human adventure and has never stopped redefining itself to grow and become the independent European leader in multi-technical services in the fields of energy and communications.

Ever faithful to the spirit of the entrepreneurs who created Annex and have developed it over the last 120 years, our company now employs 46,000 men and women who are committed to achieving the energy and digital transition alongside our customers.
More than ever, our actions focus on the long-term challenges posed by climate change.