Lead Process Engineer io consulting is looking for experienced Lead Process Engineers to join our growing team and play a key role in delivering technical excellence across a diverse portfolio of early-phase projects. This is an opportunity to act as a Technical Lead on FEL1 to FEL3 studies spanning energy transition, oil and gas, and innovative infrastructure developments. About the role As a Lead Process Engineer at io, you will take ownership of the process engineering scope within multi-disciplinary studies. You will guide and influence project direction, ensure high technical standards, and mentor junior engineers to help develop the next generation of talent. You will be part of a collaborative team focused on shaping future energy and infrastructure solutions. Key responsibilities Lead the process engineering scope for FEL1 to FEL3 studies across various energy sectors Provide technical direction within multi-disciplinary teams, ensuring high-quality and timely deliverables Support project management in defining study scopes, schedules, and deliverables Mentor and support junior engineers in their technical development Engage with clients and stakeholders to understand project drivers and provide clear, actionable recommendations About you We are looking for someone who is technically strong, proactive, and able to lead and inspire others. You will be comfortable working in fast-paced, early-phase project environments and passionate about innovation and client impact. Requirements Degree-qualified in Chemical Engineering or Mechanical Engineering 10–15 years of experience in process engineering, with a strong background in conceptual and early-phase studies Proven track record of technical leadership within FEL1–FEL3 projects Strong communication and interpersonal skills A collaborative mindset and commitment to continuous learning Why join io? Work on cutting-edge energy and infrastructure projects that matter A clear and supported career pathway — whether your focus is technical specialism or leadership A flexible, inclusive, and forward-thinking culture where your voice and ideas are valued Opportunity to be part of a team that is redefining what consulting and development look like in a rapidly changing energy landscape Enjoy a flexible hybrid working environment, with three days a week in our beautiful Central London offices, plus the option to work a 9-day fortnight on an ad-hoc basis