Requirements
A degree in Mechanical Engineering or equivalent is required, along with experience in process, fuel terminal, refinery, or power generation environments. Candidates should have strong maintenance, shutdown, project, budget, compliance, process safety, and stakeholder management experience in a 24/7 operating environment.
Job Description
Application Deadline: 19 November 2026
Department: Power & Renewables
Location: Northampton
Our Business
px PEOPLE, their commitment to excellence, innovation and teamwork, are the reason for px Group’s continuing growth and success story. We aim to be the elite provider of operations management, engineering services and energy management solutions in high hazard, highly regulated industries nationally and as we grow, across Europe and globally. For more information visit www.pxlimited.com
Our Head Office is based in Stockton-on-Tees and is home to our administrative support teams, engineering & maintenance support team & energy services teams. The Offices are located on the river Tees with close access to walks, shops and restaurants.
The Opportunity
We are now recruiting for a Senior Mechanical Engineer.
The Senior Mechanical Engineer is a key role for the safe, reliable and compliant operations, through effective delivery of all mechanical systems and associated equipment across stipulated px operated sites within the UK and Europe. Effectively ensuring Compliance, safety, integrity, reliability and commercial considerations.
You’ll be supported with personalised on the job training, coaching, mentoring and twice-yearly development and performance reviews to help maintain & develop your contributions and competence.
The team support our sites both remotely and physically and there is frequent travel to the following places: Northampton Fuel Terminal, Foynes Fuel Terminal, Beckton CHiP
You may also be asked to do both long and short term secondments in the above places.
Key Responsibilities
- Lead mechanical engineering support across UK and European sites, ensuring asset integrity, reliability, statutory compliance, and continuous improvement.
- Develop and implement mechanical engineering strategies, systems, and processes to achieve safe, compliant, and efficient operational performance.
- Provide technical guidance for shutdowns, projects, modifications, maintenance activities, and planned/unplanned operational events.
- Manage engineering projects and change initiatives, ensuring compliance with project management and Management of Change (MoC) requirements.
- Drive safety, audit, and compliance activities, including investigations, risk reviews (HAZOP, LOPA, RBI), and safe working standards.
- Support business growth and operational excellence through mentoring, technical leadership, stakeholder engagement, continuous improvement initiatives, and specialist authorisation responsibilities (e.g., radiography, pressure testing, and excavations).
- Degree in Mechanical Engineering (or equivalent) with experience in process, fuel terminal, refinery, or power generation environments.
- Strong background in maintenance, contract, outage/shutdown management, and operational procedures within a 24/7 operating environment.
- Proven ability to deliver compliance, policies, and initiatives across functions while managing relationships with customers, contractors, and stakeholders.
- Experience managing projects, budgets, KPIs, and developing business cases for capital and revenue investment.
- Knowledge of SHE and quality systems, maintenance management, process safety (HAZOP, LOPA, PSM), functional safety, audits, Management of Change, document control, and regulatory compliance.
25 days holiday plus bank holidays
Contribution towards eye test and glasses
Online company discount benefits site including cinema tickets and gym membership discount
Long Service Awards
Employee recognition scheme – ELITE Awards
Employee Assistance Programme
Flexible Benefits Package
Onsite parking
We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.
Please note this role may close early or be extended depending on the volume of applications.
Education
Skills
About px Group
px Group is a fully integrated infrastructure solutions business which delivers net zero and stakeholder success through elite performance in the safety, availability, reliability and efficiency of energy infrastructure, industrial processes and related commercial activities - unlocking value for our customers as a trusted partner. Part of the Ara Partners portfolio of companies, Ara Partners is a private equity firm specialising in industrial decarbonisation investments. Operating on a 24/7 basis, providing services at this level requires professionalism and competence coupled with a safety and environmentally conscious mind set to deliver operational excellence. This capability has been shaped by a 25 year history in managing, operating and maintaining some of Europe’s most significant industrial infrastructure including two of the UK’s largest and most strategic gas processing facilities. px Group also owns Saltend Chemicals Park at the heart of the UK’s Energy Estuary in the Humber, home to several world-leading manufacturing businesses such as Mitsubishi Chemicals, INEOS, and Vivergo Fuels and the location for Equinor’s hydrogen production plant with carbon capture, the anchor project for Zero Carbon Humber. This introduction of hydrogen at our Saltend Park, and our continuous search with all current and new industrial users for further synergies in energy and resource use will help to transform the park into a future proof Green Energy Park. We are committed to the Energy Transition, and reducing emissions across all our operations, including the sites we manage and operate on behalf of our clients. We are growing internationally and are involved in some of the newest flagship waste-to-fuels projects including ReNew’s plastic recycling plant in Teesside and GIDARA Energy’s advanced biofuels facility in Amsterdam which will convert non-recyclable waste into bio-methanol.
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