Mechanical Commissioning Engineer
Confirmed on the employer's own hiring board on Nov 7, 2026. First seen by Alion on Oct 19, 2026.
We are looking for a MechanicalCommissioningEngineer to join a leading engineering company in Bucharest, part of an international group delivering complex infrastructure and industrial projects across Europe, with strong expertise in water treatment, wastewater treatment, civil engineering, energy, and automation.
In this role, you will be responsible for overseeing the installation, commissioning, and operational performance of mechanical equipment within municipal water and wastewater treatment plants, ensuring systems are delivered safely, efficiently, and in line with project requirements.
Bucharest | 5 minutes from Pipera Metro
Company Car
On-site role with project site involvement
Ready to contribute to impactful infrastructure projects? Apply today and let's explore whether this opportunity is the right fit for your experience and career goals.
Key Responsibilities
Coordinate and supervise the installation of mechanical and hydromechanical equipment, including centrifugal pumps, submersible pumps, dosing pumps, valves (knife gate, butterfly, gate valves), blowers, mixers, and screening systems.
Oversee commissioning and start-up activities for municipal water treatment and wastewater treatment facilities.
Perform post-installation inspections, testing, calibration activities, and mechanical checks to ensure compliance with design and operating parameters.
Diagnose and support the resolution of mechanical issues affecting water and wastewater treatment processes.
Review and interpret technical documentation, including construction drawings, P&ID diagrams, isometric drawings, and mechanical installation details.
Contribute to project planning by defining installation sequences, execution timelines, and integration into the overall project schedule.
Provide technical support to the Project Manager throughout project execution and contract delivery.
Monitor installation progress and prepare periodic status reports for project stakeholders.
Collaborate closely with process, electrical, automation, and civil engineering teams to ensure successful project delivery.
Ensure compliance with health, safety, environmental, and quality standards throughout all site activities.
Requirements
Bachelor's degree in Mechanical Engineering, Hydraulic Engineering, Building Services Engineering, or a related technical field.
Minimum 5 years of experience in water treatment and/or wastewater treatment projects, preferably within municipal treatment facilities.
Proven hands-on experience with the installation, commissioning, and maintenance of hydromechanical equipment.
Strong understanding of mechanical systems and their integration with automation and SCADA environments.
Ability to read and interpret technical drawings, P&IDs, mechanical layouts, and construction documentation.
Experience coordinating on-site installation activities and managing subcontractors or installation teams.
Good organisational skills, attention to detail, and ability to work within strict project deadlines.
Strong commitment to Health & Safety and Environmental regulations, particularly in confined spaces and potentially hazardous environments.
Valid Category B driving licence.
English: Conversational level, with the ability to communicate with international stakeholders and understand technical documentation.
French: Considered an advantage.