Principal Process Engineer Jobs in UK 2026

Are you ready to lead cutting-edge engineering projects that redefine how industrial systems operate globally? This Principal Process Engineer role offers a rare opportunity to work on highly innovative process systems. You will take full ownership of designing and deploying advanced systems at an exceptional pace. Unlike in traditional engineering environments, you will contribute to systems deployed weekly rather than over decades.

Moreover, the role allows you to apply creative problem-solving to complex engineering challenges daily. You will work across multiple modules, including reactors, electrolyzers, and direct air capture technologies. Additionally, the position emphasizes autonomy, rapid execution, and ground-up engineering thinking. Ultimately, this role suits experienced engineers eager to innovate and make a real-world environmental impact.

About the Hiring Firm

The hiring company, Rivan Industries, operates at the forefront of clean energy innovation. The company focuses on producing synthetic fuels that are more affordable than traditional fossil fuels. Furthermore, it aims to reduce global carbon emissions by securely storing carbon dioxide underground. This mission aligns with global sustainability goals and the transition toward cleaner industrial practices.

The company operates with small, agile teams that prioritize speed, ownership, and innovation. Additionally, it minimizes bureaucracy while maintaining strict safety and regulatory compliance standards. Headquartered in Bermondsey, the firm continues to expand its technological capabilities. Joining this organization means contributing directly to groundbreaking solutions in the global energy sector.

Job Duties

Design and develop innovative process architectures and system integrations using advanced engineering principles
Lead process modeling and optimization using tools like Aspen for improved system performance
Perform detailed process calculations and oversee full system design from concept to execution
Define and implement control architectures for efficient and safe system operations
Specify, source, and procure critical components required for system functionality
Take ownership of process safety, ensuring compliance with all relevant standards and regulations
Oversee assembly, integration, site commissioning, and testing of deployed systems

Job Requirements

Minimum of seven years of professional experience in process or chemical engineering roles
Bachelor’s or Master’s degree in Chemical Engineering or a closely related field
Proven experience designing, building, commissioning, and operating process plants
Experience leading safety assessments such as HAZID, HAZOP, and LOPA processes
Proficiency in computer-aided design tools for engineering and system modeling
Chartered Engineer status is advantageous but not strictly required
Strong analytical thinking, problem-solving ability, and ownership mindset

Click Here to Apply

Conclusion

This opportunity offers a unique chance to shape the future of sustainable energy and industrial innovation. You will gain exposure to groundbreaking technologies while working within a high-performing engineering team. Additionally, the role provides competitive compensation, share options, and extensive relocation support.

Visa sponsorship further makes this position accessible to qualified international professionals seeking global opportunities. The flexible yet high-impact work environment ensures both professional growth and meaningful contributions. If you are driven by innovation and sustainability, this role is an excellent career move. Apply now and become part of a team transforming the future of energy systems worldwide.

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