Startup Engineer

Location: 's-Hertogenbosch

HYDROTHANE STP B.V. (NL) is looking for a

Process Design Engineer & Start‑Up Advisor (F/M)

Localisation : 's Hertogenbosch , The Netherlands

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Axens group provides a complete range of solutions for the conversion of oil and biomass to cleaner fuels, the production and purification of major petrochemical intermediates, the chemical recycling of plastics, all natural gas treatment and conversion options along with water treatment and carbon capture. The offer includes technologies, equipment, furnaces, modular units, catalysts, adsorbents and related services. Axens is also specialized in Carbon Capture.

Axens is ideally positioned to cover the entire value chain, from feasibility study to unit start‑up and follow‑up throughout the entire unit life cycle. This unique position ensures the highest level of performance with a reduced environmental footprint. Axens global offer is based on highly trained human resources, modern production facilities and an extended global network for industrial, technical supports & commercial services.

Axens combines the friendliness of a company on a human scale and the influence of a multinational environment whose customers are spread over more than 85 countries.

Axens is an IFP Group company.

Its subsidiary, Hydro Thane STP  is a specialist in anaerobic industrial wastewater treatment with more than 35 years of experience and a proven track record across 170+ installations in over 35 countries. Large international companies are among the customers of Hydro Thane STP technologies. Due to the rapid growth of our company, we are looking for a motivated employee for this position.

Hydro Thane STP is informal, entrepreneurial and flexible. We enjoy our work and are happy to invest our knowledge and time in your development. We offer a very varied position within a company with a future, where taking responsibility and initiative is encouraged.

Due to the rapid growth of our company, we are looking for a motivated employee for the position of Process Design Engineer & Start‑Up Advisor.

Missions :
What will you do?

This position combines process design engineering with commissioning and start‑up advisory activities. You will be assigned to engineering or start‑up tasks depending on project needs and workload.

The Process Engineering activities are dedicated to execution of the projects for our international customers with either limited scope (basic engineering, supply of proprietary equipment, supervision of site activities) or the complete treatment solution (turn‑key projects).

The Start‑up activities concern advising and supporting our client during equipment installation, commissioning and start‑up steps of new units

1. Process Design Engineering

Simulate process units to establish material and heat balances and deliver unit documentation (PFD, P&, MMD).

Size piping and specify instruments and safety elements of the unit.

Participate in customer meetings throughout the project lifecycle.

Occasionally contribute to the development of new technologies and continuous improvement of existing solutions.

Ensure that construction and installation activities are carried out in accordance with project requirements and industry standards.

Prepare and deliver commissioning and start‑up procedures and guidelines for customers and project teams.

Provide on‑site technical support during commissioning and start‑up phases to ensure safe, efficient, and successful project delivery.

Troubleshoot operational issues and recommend improvements to support reliable and optimized plant performance.

Monitor commissioning activities and performance testing to verify that operational objectives are achieved.

Collaborate with customers, contractors, and internal stakeholders throughout project…