Senior Mechanical Engineer – Asset Integrity
Dorset | Full-Time Onsite
We have a great opportunity for either an experienced Mechanical Engineer looking to step up into a Senior Mechanical Engineer position, as well as established Senior Engineers with a strong background in static equipment and asset integrity to join one of the UK’s largest onshore oil and gas operations, supporting the safe and reliable performance of critical infrastructure within a high-hazard operating environment.
Working onsite in Dorset, you will play a key role in maintaining the integrity, safety, and compliance of pressure systems, pipelines, and static mechanical equipment across the asset. You will work closely with multidisciplinary teams to manage integrity risks, support inspection and maintenance strategies, and ensure compliance with relevant UK legislation and industry standards.
Key Responsibilities
Support and lead mechanical integrity activities for static equipment and piping systems
Review and approve engineering documentation including piping isometrics, calculations, specifications, and technical reports
Assist with integrity management, risk assessments, and corrosion mitigation strategies
Ensure compliance with UK safety legislation including PSSR, PSR, and COMAH requirements
Support inspection planning, anomaly management, and management of change (MOC) processes
Work collaboratively with operations, maintenance, inspection, and third-party engineering contractors
Contribute to continuous improvement initiatives and asset reliability performance
Mentor and support junior engineers where requiredRequirements
Degree qualified in Mechanical Engineering (BEng/MEng or equivalent)
Experience within oil & gas, petrochemical, energy, process, or other high-hazard industries
Background in mechanical engineering, static equipment, piping, or asset integrity
Understanding of pressure systems, pipelines, and mechanical compliance standards
Strong communication and stakeholder engagement skills
Motivated, proactive, and keen to develop within a senior engineering environmentDesirable
Experience with corrosion management, RBI, CUI, or fitness-for-service assessments
Knowledge of API, EEMUA, or relevant industry standards
Chartered status or working towards CEng
Familiarity with integrity KPI reporting and inspection strategiesThis is an excellent opportunity for someone looking to take the next step in their mechanical engineering career within a technically challenging and highly visible operational environment.
With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients