Principal Process Engineer

px Group; Tees Valley; On-site; GBP 75,000 - 110,000; Full time

Benefits offered by this job

25 days holiday

Eye tests & glasses

Discount site including cinema and gym

Long service awards

ELITE Awards

Employee Assistance Programme

Flexible Benefits

Onsite parking

Job summary

px group is recruiting a Principal Process Engineer in Stockton on Tees to provide senior technical leadership and process engineering assurance for modifications and projects. You will ensure compliance with standards and client requirements while leading complex scopes and supporting proposals for new business opportunities.

On-the-job coaching and development reviews are offered. You’ll deliver authoritative process design input, lead governance, and mentor multidisciplinary teams to maintain

Qualifications

• Degree in process or chemical engineering (Chartered preferred).
• Extensive process engineering design experience across all project stages.
• Proven lead on complex scopes with technical direction to teams.
• Strong knowledge of process design methods and deliverables.
• Experience leading process safety reviews (HAZID/HAZOP/LOPA/SIL).
• Procurement lifecycle experience and design assurance capability.
• Excellent report writing, stakeholder management and communication.

Responsibilities

• Comply with UK legislation and lead procedural improvements.
• Provide authoritative process engineering across design, procurement, and operations.
• Lead design assurance and governance with delegated authority.
• Produce and approve process deliverables ensuring cross-discipline consistency.
• Act as senior technical focal point for complex issues and risk resolution.
• Deputise for the Engineering Manager as needed; support priorities and decisions.
• Contribute to Business Winning with capability presentations and scopes.

Skills

Process engineering

Leading complex scopes

Process safety expertise

Stakeholder management

Technical leadership

Education

Process/chemical engineering degree

Chartered Engineer status preferred

Tools

Process simulation software

PFDs & P&IDs

Job description

Principal Process Engineer

Application Deadline: 25 September 2026

Department: Engineering

Employment Type: Permanent - Full Time

Location: Stockton on Tees

Reporting To: Engineering Manager

Description

Our Business

Engineering services are delivered for the px group by the engineering consultancy division px Engineering Consultants Limited (“PXECL”). The team comprises of managers, senior engineers, engineers and designers that have direct experience of construction projects and operating facilities, as well as exceptional engineering expertise.

PXECL has established an excellent reputation with its clients and consequently much of the business is of a repeat nature. The team prides itself on the quality of its services and the strong relationships it builds with its clients and has a track record of delivering an integrated range of services. By combining technical and operational excellence, a sound understanding of regulatory environments and a robust and reliable project management system, px consistently delivers safe, efficient and compliant capital projects and services to a diverse client base supporting most industrial sectors.

The Opportunity

We are now recruiting for a Principal Process Engineer.

The Principal Process Engineer will provide senior technical leadership and process engineering assurance for minor modifications and projects, ensuring compliance with legal obligations, applicable standards and client requirements. In addition, the role will lead and deliver complex process engineering scopes, support the development of proposals for new business opportunities and provide specialist consultancy services.

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.

Key Responsibilities

• Comply with UK legislation, Company Rules, procedures and instructions, and lead appropriate procedural and system improvements.
• Provide authoritative process engineering expertise across specification, design, procurement support, installation, commissioning and operational support.
• Lead discipline design assurance and technical governance, ensuring work is appropriately checked, reviewed and approved in accordance with delegated authority.
• Produce, review and approve, within delegated authority, process engineering deliverables and ensure technical consistency across discipline interfaces.
• Act as the senior technical focal point for complex process engineering issues, providing clear direction and resolving technical risk.
• Deputise for the Engineering Manager when required, supporting discipline priorities, resource decisions and the escalation of technical matters.
• Make sound, evidence-based decisions on technical issues, safety, cost and schedule with minimal supervision, escalating where authority limits are reached.
• Lead technical input to Business Winning, including capability presentations, execution strategies, scopes of work and cost estimates.
• More responsibilities can be found on the Role Profile.

Minimum Requirements

• Degree qualified in process or chemical engineering, or equivalent (Chartered Engineer status is preferred).
• Extensive process engineering design experience across the full project life cycle, including concept/Pre-FEED, FEED, detailed design/EPC, commissioning and operational support, within chemicals, petrochemicals, oil and gas, power or other process industries.
• Proven experience leading complex process engineering scopes and providing technical direction to multidisciplinary teams.
• Strong working knowledge of process design methods and deliverables, including process simulation, heat and material balances, PFDs, P&IDs, equipment and control philosophies, datasheets, hydraulics and relief-system design.
• Experience leading and contributing to process safety and design reviews, including HAZID, HAZOP, LOPA, SIL assessment and management of technical change.
• Experience across the procurement life cycle, including specifications, requisitions, bid evaluations, vendor review and post-order support.
• Demonstrable expertise in design assurance, checking and approval, competence management, quality systems, applicable legislation and relevant engineering standards.
• Strong report-writing, stakeholder-management, communication and presentation skills, with the ability to explain and defend complex technical decisions.

What you will receive from us

• 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.