Senior Mechanical Engineer - Technical Authority, Asset Integrity

NES Fircroft; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

NES Fircroft is seeking a Responsible Mechanical Engineer to join the engineering leadership team at a major Teesside industrial site. This senior authority role ensures mechanical assets are safe, compliant, reliable and fit for purpose while shaping long-term asset integrity and engineering strategy.

You’ll lead across fixed and rotating equipment, pressure systems integrity, PSSR and COMAH requirements, and oversee approvals of repairs and modifications to EHS-critical equipment.

Qualifications

• Degree-qualified mechanical engineer with chartered status.
• 10+ years of engineering experience in high-hazard environments such as chemical/petrochemical.
• Strong experience with Upper Tier COMAH sites, mechanical integrity, pressure systems and PSSR.

Responsibilities

• Maintain mechanical asset integrity across fixed and rotating equipment.
• Ensure pressure systems integrity and COMAH compliance.
• Oversee engineering standards, governance and regulatory compliance.
• Approve repairs and modifications to EHS-critical equipment.
• Lead asset life planning and engineering improvement strategies.
• Collaborate with external specialists, inspection bodies and the Competent Authority.
• Support CAPEX, maintenance and asset renewal strategies.
• Lead and develop mechanical engineering duty holders and technical teams.

Skills

Mechanical engineering

Asset integrity

Regulatory compliance

PSSR

COMAH

Education

Bachelor's degree in Mechanical Engineering

Tools

ASME standards

API standards

HSE guidance

Job description

NES Fircroft is seeking a Responsible Mechanical Engineer to join the engineering leadership team at a major Teesside industrial site. This senior authority role ensures mechanical assets are safe, compliant, reliable and fit for purpose while shaping long-term asset integrity and engineering strategy.

You’ll lead across fixed and rotating equipment, pressure systems integrity, PSSR and COMAH requirements, and oversee approvals of repairs and modifications to EHS-critical equipment.