senior design engineer (mechanical)
Jul 6, 2026 · Metlen
About the job
We are currently looking for an Senior Mechanical Design Engineer to join our Design team in our offices in Athens.
You role you will encopass:
Reviewing Customer requirements for Conceptual/Basic Design and Detail Design of Power Plants and Industrial Facilities
Being familiar with the Water Steam Cycle systems and global operating concept processes of the Plants
On the above basis, reviewing Heat & Mass Balances, Water Balances, Process Flow Diagrams, Piping & Instrumentation Diagrams, General Arrangement drawings, System Descriptions, System Calculations
Preparing technical specifications and associated datasheets for mechanical equipment such as gas turbines and reciprocating engines, steam turbines, Heat Recovery Steam Generators, air cooled and/water cooled condensers, cooling towers, main pumps, fuel gas systems, fuel oil systems, etc. and following up/reviewing mechanical equipment Vendor’s offers and documentation
Participating and supporting Hazard & Risk analysis studies, HAZID, HAZOP, SIL
Providing technical assistance, support and troubleshooting to the site construction and commissioning team
Taking part in alignment meetings with the Architect Engineer, equipment Vendors and the other engineering companies that may be involved in the projects
Undertaking all issues related to the noise/acoustic studies of the Plants/Facilities
Undertaking all issues relevant to the performance tests and the verification of the guaranteed figures of a Plant, including preparation of the performance test procedure, supporting the execution of the tests and participation in clarification meetings with the Customer
What you bring to the role:
Engineering Degree or Diploma in Mechanical Engineering
5+ years of experience in a relevant position (power, oil & gas sector)
Excellent knowledge of the English language. Knowledge of other languages shall be considered an additional asset
Good Knowledge and familiarization with European Directives and Industrial Standards such as EN, ASME, API, HEI, ISO, BS
Strong knowledge of computer applications, especially MS Office, AutoCAD, Navisworks. Experience and knowledge of software such as AFT, Pipe Flow shall be considered an additional asset
Critical thinking & troubleshooting capability
Excellent written and verbal communication skills
Ability to multitask and manage time effectively
Share the same Value Based Behaviors:
People & Personal growth
Results orientation & Safety excellence
Collaboration & Trust
Empathy & Effective communication
Flexibility & Adaptability
Your Benefits:
Competitive remuneration package
Ticket Restaurant Card
Group Health Insurance Plan
Preferential household electricity plan
Pension Plan
About the company
As one of Greece’s largest Heavy Industries Companies, Metlen provides more than 4,820 direct and indirect jobs, creating a work environment characterised by job security, equality, stability and employee commitment to the corporate values.
The human resources of the Company comprise highly skilled and trained people active in various sectors and disciplines.
In Metlen we seek to treat our people in a responsible and consistent manner and to remain their first choice of employer throughout the course of their careers. We are standing by our people and we take concrete steps to support their professional development.
Corporate Culture
The corporate culture of Metlen is the element that ensures cohesion and consensus in the efforts to realize the Company's vision, and is present across all the levels of the workforce – from the top management down to the production line.
The core priority of the corporate culture is to invest constantly in the human capital, which is the Company's driving force.
To this end:
- We focus on attracting and retaining competent professionals, whose values and principles are aligned with those of the Company
- We put to good use the potential of our people and we seek to provide them with tools and opportunities to help them develop their skills and support their professional development within the Company
- We encourage innovation, initiative, learning and diversity
- We recognise the importance that maintaining a balance between professional and personal life has for our employees
- We keep in place a set of corporate values that promote business excellence and social responsibility
About the company
As one of Greece’s largest Heavy Industries Companies, Metlen provides more than 4,820 direct and indirect jobs, creating a work environment characterised by job security, equality, stability and employee commitment to the corporate values.
The human resources of the Company comprise highly skilled and trained people active in various sectors and disciplines.
In Metlen we seek to treat our people in a responsible and consistent manner and to remain their first choice of employer throughout the course of their careers. We are standing by our people and we take concrete steps to support their professional development.
Corporate Culture
The corporate culture of Metlen is the element that ensures cohesion and consensus in the efforts to realize the Company's vision, and is present across all the levels of the workforce – from the top management down to the production line.
The core priority of the corporate culture is to invest constantly in the human capital, which is the Company's driving force.
To this end:
- We focus on attracting and retaining competent professionals, whose values and principles are aligned with those of the Company
- We put to good use the potential of our people and we seek to provide them with tools and opportunities to help them develop their skills and support their professional development within the Company
- We encourage innovation, initiative, learning and diversity
- We recognise the importance that maintaining a balance between professional and personal life has for our employees
- We keep in place a set of corporate values that promote business excellence and social responsibility