Sr Advisor, LP Models

Phillips 66 & YOU - Together we can fuel the future

Phillips 66 has been operating in the UK for over 65 years and we are as excited about our future as we are proud of our past. We are committed to improving lives, and that is our promise to our employees and communities. We are sustained by the backgrounds and experiences of our diverse teams, which reflect who we are, the environment we create and how we work together.

Our company is built on values of safety, honour and commitment. We call our cultural mindset Our Energy in Action, which we define through four simple, intuitive behaviours:
We work for the greater good, cultivate an environment of trust, seek different perspectives and pursue excellence.

Our employees are the heart of our success, and there is a reason why we continue to attract great talent and it’s not just the excellent benefits package, or the opportunities for personal growth, it’s also the caring and committed culture of the organisation that makes everyone feel like they can bring their authentic self to work and be truly part of our team.

Providing Energy. Improving Lives.

To own and maintain the Humber Linear Program model, to support its use to optimise the refinery and the wider UK business.

• Construct and maintain a refinery Linear Program (LP) model to support ongoing business operation and optimisation efforts.
• Validate the accuracy of the LP yields, constraints, options and energy costs against current plant operation. This will be achieved by a combination of LP sub-model validation and back casting.
• Build and maintain valid calibrations of process simulation models for the FCC, Reformers, Cokers and other processes as needed for the refinery LP.
• Upgrade the modelling technology available in line with P66 and the Refining Industry’s best practices. This will include rewriting the LP and adding new modelling tools.
• Provide LP training and troubleshooting assistance to all users.
• Work closely with the Senior Advisor, Refinery Economics-Atlantic Basin.
• Evaluate new modelling tools (e.g. APS/MBO) and construct new models as required by the business needs.
• Remain current with changes in modelling technology with a continuous improvement focus.
• Use the LP to complete analysis & studies as required – eg Needle Coke economics.
• Mentor and train process engineers, process technicians and planners in process unit design, operation and optimisation.
• Oversee contractors or consultants brought in to work on existing or new production planning tools.

• Hold the legal right to live and work in the UK on a permanent basis, or the role you are applying for meets the criteria for employer sponsorship.
• Strong understanding of refinery operating economics.
• Comprehensive knowledge of Linear Program usage techniques.
• Excellent computer skills (linear programs, multi-period blending models, multi-period scheduling models, refinery KBC simulation models e.g. Petro-SIM, real time process database, Visual Basic and Spreadsheets).
• Self‑motivated and active self‑learner.
• Strong networking skills.
• Creative and innovative thinking.
• Highly technically proficient.
• Strong verbal and written communication skills.

The Humber Refinery is playing its part of the UK’s decarbonisation efforts.

As a part of the UK Government’s net zero ambition, the Humber Refinery is on a journey to become the Refinery of the Future. With proposed plans for a number of projects including to implement a first‑of‑a‑kind FCC carbon capture project, the Humber Refinery is part of Humber Zero, a world‑scale concept to reduce UK industry carbon emissions, saving up to 8 million tonnes of CO₂ by 2030 from the Immingham industrial area.

On top of this, the Humber Refinery is the UK’s only refiner producing Sustainable Aviation Fuel  is also the only European facility producing battery anode coke, which forms a critical component for lithium‑ion batteries used in electric vehicles and in consumer electronics. Our current production of battery anode coke is equivalent to placing 1.3 million EVs on the road every year, and we are developing multiple projects to expand this capability.

We are on an exciting journey, are you ready to join us?

Learn more about Phillips 66 and how we are working to meet the world's energy needs today and tomorrow, by visiting

In order to be considered for this position you must complete the entire application process, which includes answering all prescreening questions and providing your eSignature on or before the requisition closing date of Wednesday 4th March 2026
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Phillips 66 is an Equal Opportunity Employer