Senior Mechanical Engineer · Hybrid

Location:

Region: Rotterdam
Country: Netherlands

Role:

  • Industry: Engineering, Mechanical
  • Job Type: Contract / Freelance
Working Arrangement: Hybrid
Rate: Negotiable

Application Details:

Start Date: ASAP
Expiry Date: 31/05/2026
Job Reference: 1004202636

Senior Mechanical Engineer · Hybrid

Senior Mechanical Installations Engineer – Long‑Term Freelance Contract (Netherlands)

Dutch-speaking required | Complex buildings

 

About the Role

A leading international engineering consultancy is seeking an experienced Senior Mechanical Installations Engineer (ZZP/Freelance) to support a portfolio of highly complex construction projects across the Netherlands. From high‑performance laboratories and hospitals to large‑scale high‑rise buildings and sustainable redevelopment projects, you will play a key role in shaping advanced mechanical installation designs.

In this role, you’ll lead the technical development of mechanical building systems from concept through detailed design. You’ll work closely with multidisciplinary teams—architects, structural engineers, sustainability specialists, and digital engineering experts—while contributing to future‑ready, high‑quality engineering solutions.

This long‑term freelance assignment offers continuity, technical depth, and the opportunity to influence landmark projects in both Dutch and international markets.

 

Key Responsibilities

  • Lead the development of mechanical installation designs from VO through detailed engineering
  • Coordinate closely with multidisciplinary teams to create integrated, high‑performing technical solutions
  • Contribute to mechanical concepts for complex buildings such as laboratories, hospitals, and high‑rise structures
  • Ensure engineering quality, structure, and consistency across all project stages
  • Review designs, guide improvements, and bring forward new technical ideas and innovations
  • Support design reviews, technical evaluations, and stakeholder meetings
  • Mentor and support junior engineers when needed
  • Work proactively and collaboratively—no siloed work

Requirements

  • Strong proficiency in Dutch (essential) and solid communication skills
  • 4–8 years of relevant experience as a mechanical installations engineer
  • Proven experience with complex building types (labs, healthcare, high‑tech, high‑rise, or similar)
  • Skilled in BIM environments; experience with computational/digital engineering tools is a plus
  • Strong technical depth and a drive for innovation
  • Able to work in a structured, coordinated, and team‑oriented manner
  • Comfortable interfacing with clients and different internal disciplines
  • Available on a ZZP/freelance basis

What’s Offered

  • Long‑term freelance engagement with consistent project involvement
  • Opportunity to work on high‑impact, technically challenging construction projects
  • A collaborative, international, and multidisciplinary environment
  • Modern workspace options at Dutch project hubs (with partial remote work possible)
  • Regular project interactions, team collaboration, and opportunities for professional growth

 

g2 Recruitment are committed to equality of opportunity for all applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships or any other characteristic protected by law.

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L&D Team

We are very lucky that g2 recruitment see Learning and Development as a vital part of a consultants journey which is why we have 4 people in the team who you will work very closely with from day 1 in your career. The team are on hand to guide you through your career at all levels and provide extra support working closely with the management team to give all consultants the best chance of success.  

Our Three Pillars of Training

Academy:
Week 1 is a series of remote sessions to learn all things systems, followed by a 1 week academy process which is a mixture of classroom and deskside this will be in one of our UK offices and usually consists of 3-8 other consultants all starting their journey together.

Experienced Modules:
These are a variety of sessions curated by us designed to support consultants as they are progressing through the career ladder, the aim is to ensure consultants at all levels have access to L&D.

Junior Management Programme:
Ran by our head of L&D this programme is designed to support junior managers as they start their management career. This involves things like personal branding, time management and ends in a business plan which is presented to members of the Exec board and senior management team.

Jaz123
Jaz D’Avola
Head of Learning & Development

Jaz joined g2 Recruitment in 2013.

She now leads our Learning and Development programme, transferring the knowledge and wisdom she learnt as a recruiter to the new generation of talent.

Imani
Imani WIlliams
Learning and Development Consultant

Imani joined g2 Recruitment in 2022.

His role involves developing individuals in all areas of the business, varying from inducting and onboarding consultants to working with them 1 to 1 to identify areas of development.  He aids with growth of L&D across the business, watching consultants experience and develop.

Meghan1
Meghan Mcloughlin
Learning and Development Consultant

Meghan joined g2 in 2023 as an L&D consultant, Working in recruitment for 6 years, her role is to  help consultants at all levels to upskill and focus on development points. This could be anything from sales calls or candidate calls to organisation improvements.

Kane Gray
Systems & Academy Trainer

Kane joined g2 in April 2023 as an Academy & Systems Trainer.

His role involves teaching the consultants that are new to the company the foundations of recruitment and our systems before then helping them to upskill in areas specific to each consultant. Working closely with different consultants and watching them implement the feedback, apply it, and then benefit off the back of it.

Candidates

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Clients

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