Senior Mechanical Engineer – Static & Rotating Equipment

About the role

Penspen is seeking a Senior Mechanical Engineer with expertise in static and rotating equipment to join its Core Engineering or Project Management teams. The role is based in Woking, Surrey, with occasional travel to Al Khafji, KSA, and involves leading engineering activities for major oil and gas projects.

Key responsibilities

• Lead FEED engineering activities for pressure vessels, shell‑and‑tube heat exchangers, and tanks.
• Perform and review equipment mechanics design, calculations, and layout using 2D/3D models.
• Prepare and review equipment datasheets, material requisitions, and technical bid evaluations.
• Ensure compliance with Saudi Aramco Standards (SAES) and international API codes.
• Manage and mentor junior engineers and coordinate with other disciplines within the technical core or project teams.

Required profile

• Minimum 12 years of mechanical engineering experience, including at least 6 years on major oil & gas or petrochemical projects.
• Bachelor’s degree in Mechanical Engineering.
• Right to work in the United Kingdom.
• Preferred age not exceeding 45 years.

Required skills

• FEED engineering
• Pressure vessel, heat exchanger and tank design
• Equipment mechanics calculations
• 2D/3D modelling and layout review
• Equipment datasheet preparation
• Material requisition (MR) handling
• Technical bid evaluation
• Knowledge of Saudi Aramco Standards (SAES) and API codes
• Design software for static equipment
• Proficiency in MS Word and MS Excel