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Thermulon

Lead Process Engineer

Thermulon

. Serve as the principal process owner for Thermulon's capital projects, including toll-manufacturing scale-up and the first commercial-scale plant .

Posted 10/3/2026full-timeLondon • United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates extensive hands-on chemical process experience, particularly in capital project delivery, technology transfer, and process scale-up. Possesses strong technical communication skills and the ability to mentor and develop team members while managing project risks and technical documentation.

Highest-signal resume keywords
Capital Project DeliveryProcess Safety EngineeringHAZOP and HAZID ExperienceTechnical CommunicationMentoring and Team Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Process EngineeringTechno-Economic AnalysisPFDs and P&IDsMass and Energy BalancesFAT/SAT TestingCommissioning PlansRisk ManagementChange ManagementEquipment User SpecificationsProcess Scale-Up
Soft Skills
Creative Problem SolvingInfluencing SkillsRelationship BuildingDiligence and CareAutonomy
Certifications & Qualifications
Degree in Chemical EngineeringChartered Engineer Status (IChemE or Equivalent)
Industry Keywords
Process TechnologyToll-ManufacturingProject Risk RegistersTechnical DocumentationVendor ValidationTrial CampaignsProcess Development BudgetProcess Engineering Team Leadership

About the role

Key responsibilities & impact
  • Serve as the principal process owner for Thermulon's capital projects, including toll-manufacturing scale-up and the first commercial-scale plant
  • Translate strategic direction, capital programme milestones and Big5 targets into a 12–18 month process engineering plan
  • Act as principal process engineer across capital projects while contributing hands-on to delivery
  • Apply process safety engineering judgment to HAZIDs, HAZOPs and action closeout
  • Provide technical supervision, mentoring and quality assurance to the process engineering team
  • Develop creative, practical solutions to delivery challenges using process technology, standards and literature
  • Own PFDs, P&IDs, mass and energy balances, equipment user specifications, technical bid evaluations, FAT/SAT testing and commissioning plans
  • Prepare technical documentation for partners, vendors and grant bodies; contribute to process IP and patent proposals
  • Own technical project risk registers and management-of-change registers and drive closeout
  • Sign off and perform due diligence on techno-economic analyses of process plants
  • Lead technical communication with process engineering, R&D, Commercial and Operations teams
  • Interface with project delivery partners and external process consultants, translating input into project decisions
  • Interact with partners and customers in a technical capacity when needed
  • Support and supervise equipment proposals, designs and vendor validation work
  • Participate directly in trial campaigns as needed

Requirements

What you’ll need
  • Live Thermulon's Values: Safe, Collaborate, Impact, Pace, Innovate and Grow
  • Naturally creative problem solver, comfortable finding practical working solutions when the standard route isn't available
  • Able to work with high levels of uncertainty
  • Genuine energy for getting things done day to day, close to the detail
  • Diligence and care for the integrity of models and data
  • Natural mentor, comfortable developing other team members’ technical capability
  • Confidence building relationships and driving action across engineers, scientists and external partners, leading by influence
  • Comfortable operating with high autonomy in a small, lean organisation
  • Willingness and availability to be mobilised to sites in the UK and/or Europe during construction, commissioning and operation
  • Significant hands-on chemical process experience, including capital project delivery, technology transfer and process scale-up
  • Demonstrable track record in the listed key accountabilities
  • Strong influencing skills without line-management authority
  • A degree in Chemical or Process Engineering
  • Mobility and interest to work at different sites for scale-up, commissioning and early production
  • Chartered Engineer status (IChemE or equivalent) desirable
  • Experience with HAZOP, HAZID, LOPA, risk management and change management desirable
  • Formal techno-economic analysis training desirable
  • Experience running equipment trials or pilot campaigns with third-party vendors desirable
  • Experience scaling an immature or novel chemical process desirable
  • Prior experience supervising or technically line-managing junior or graduate engineers desirable
  • Experience managing a process development or engineering budget desirable
  • Proven leadership of a process engineering team desirable

Benefits

Comp & perks
  • 30 days holiday for everyone
  • Private Medical insurance – Vitality for you and your dependents (Medical, Dental, Mental Health, Wellbeing, Alternative treatments and Travel Insurance)
  • Health/wellbeing allowance - £600 per year to spend on activities which lead to better physical / mental health
  • Ride to work scheme – new bike and equipment with the government contributing tax to help pay for it B2W
  • Internal/external mentor from the senior team or industry
  • Clear progression route within the Thermulon Career Path