Mechanical Design Engineer

Arcadis are seeking a Mechanical Design Engineer for an assignment located in East Cork. This is initially a 6 month. Option of PAYE or LTD.

This role will be focused on the design, modification, and lifecycle management of mechanical assets, with particular emphasis on rotating equipment and fixed plant assets. The Mechanical Design Engineer will support Capital Projects, Maintenance, Operations, Technical Services, and HSE functions, providing technical design expertise with a strong focus on safety, reliability, cost control, and compliance with engineering standards and industry regulations.

Responsibilities

• Develop mechanical equipment datasheets, technical specifications, and design documentation for rotating equipment and fixed plant assets.

• Produce and review P&IDs, equipment layouts, piping isometrics, GA drawings, and installation drawings.

• Prepare scopes of work for contractors and equipment vendors, supporting tendering and procurement activities.

• Define mechanical design requirements for capital projects and asset replacement programmes.

• Support equipment selection, technical bid evaluations, cost estimates, constructability reviews, and safety assessments.

• Provide mechanical engineering support across project planning, budgeting, execution, commissioning, and start-up activities.

• Deliver design support for equipment replacement, refurbishment, upgrade, debottlenecking, and reliability improvement projects across a live process plant environment.

• Support the lifecycle management and integrity of rotating equipment, heat transfer equipment, storage assets, pressure equipment, and associated mechanical systems.

• Coordinate contractors, vendors, and stakeholders to ensure safe and efficient project delivery.

• Manage multiple projects while maintaining compliance with engineering, quality, and HSE standards.

Requirements

• Degree-qualified Mechanical Engineer.

• Mechanical design experience within refining, oil & gas, energy, chemical processing, pharmaceutical, or other heavy industrial environments.

• Proven experience with rotating equipment and fixed plant assets.

• Experience developing equipment datasheets, technical specifications, and mechanical design documentation.

• Strong knowledge of pumps, compressors, heat exchangers, boilers, storage tanks, pressure vessels, and piping systems.

• Experience supporting capital projects from concept design through installation and commissioning.

• Knowledge of asset integrity, reliability engineering, and lifecycle management principles.

• Experience using AutoCAD or equivalent design software.

• Knowledge of API 610, API 650, ASME, ISO, and related engineering standards is desirable.

• Strong stakeholder management skills with experience working alongside Operations, Maintenance, Projects, and external contractors.

Why Join Arcadis?

At Arcadis, we empower individuals to excel because your contributions matter. Taking a skills-based approach, we provide opportunities for you to shape your career, maximize your impact, and grow professionally. By joining us, you’ll engage in meaningful work that drives sustainable solutions for a better planet while leaving a lasting legacy.

Our Commitment to Equality, Diversity, and Inclusion

We are dedicated to creating an environment where everyone can thrive. Through our six ED&I workstreams—Age, Disability, Faith, Gender, LGBT+, and Race—we foster innovation by bringing together diverse perspectives. Together, we strive to improve quality of life while building a more inclusive future.