Senior Principal Mechanical Engineer

Renewable energy
Vacancy ID


  • We are looking for a Senior Principal Mechanical Engineer with significant industry experience to join the engineering team based in our The Hague, NL office, reporting to the Mechanical Engineering Manager EMEA;
  • Requisitioning engineer for the planning, specification and subsequent purchase order management of a range of mechanical equipment which may include Pressure Vessels, Dehydration Packages, Cooling Towers, Water Treatment, Reformers, Adsorption Skids, Clarifiers, Pumps, Compressors and similar;
  • Competent to undertake the design and analysis of equipment typical of the above;
  • Reviewing customer technical requirements to prepare execution strategies, technical specification packages for enquiry/purchase and undertaking technical evaluations and risk assessment of supplier proposals, coordinating the necessary cross-functional input to support this;
  • Ability to act as a lead engineer where required, coordinating workload to meet schedule, quality and budget requirements together with timely reporting on status and progress for themselves and for members of their team who may in the UK or overseas;
  • Liaising with other engineering functions and coordinating cross-functional reviews of supplier designs and documentation to facilitate the integration of purchased equipment into the overall plant design;
  • Able to support the Mechanical discipline in the preparation of hours and resource estimates, P&ID reviews, HAZOP, model reviews;
  • Willing to undertake witness inspections and acceptance testing of purchased equipment;
  • Resolving customer or joint-venture partner comments on equipment selections;
  • Providing technical support throughout construction and commissioning phases of projects retaining overall technical responsibility for equipment during and after successful handover;
  • Willing to undertake international travel to equipment suppliers and site locations at appropriate times throughout the project delivery.


  • Degree level qualification in Mechanical Engineering (or related);
  • Chartered Engineer (CEng), European Engineer (EUR ING) or equivalent affiliation with a professional body;
  • Demonstrable experience in the specification, evaluation and engineering of a range of equipment types in an EPC project environment;
  • Strong working knowledge of International Codes and experience with the Pressure Equipment Directive (PED) and CE/UKCA marking;
  • Experience in commissioning or operations within working facilities, able to demonstrate fault finding, issue resolution and decision-making skills is desirable;
  • Experience with equipment in cryogenic, ammonia or hydrogen service is desirable;
  • Engineering software skills, examples include: Compress, Aspen, HTRI, ANSYS;
  • A demonstrable understanding of cross-functional interfaces and overcoming the associated challenges in an EPC environment for process facilities;
  • Experience leading or supervising engineers both in the home office and overseas would be desirable;
  • Highly competent written and spoken communication and able to use a range of standard software such as MS Word and MS Excel to prepare technical documents and to write technical reports.

Let us handle the details

We at STAR are happy to take care of the details

01 // Permanent contract

After a specified period at this company, you will be offered a permanent contract. In other words, this is not a temporary position or project, but a permanent appointment and the selection procedure and terms of employment are not ours but those of your future employer.

02 // Education and development

Standing still in this fast-changing market is not an option. That's why you can combine this position at STAR with courses to further your specialist knowledge and skills. It's the best of all worlds: work, learn and be part of a challenging project all at the same time. Whether you need a springboard to launch your career or simply want to update your expertise, the training programmes offered by our STAR Academy ensure that your qualifications are always in line with your ambitions.

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