Senior Process Engineer

Jacobs; Belfast City District; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Jacobs is seeking a Senior Process Engineer to deliver high-performance manufacturing solutions for advanced manufacturing clients, including semiconductors and high-tech sectors. The role focuses on developing, optimizing, and validating production processes while ensuring safety, quality, and regulatory compliance.

You will work in multidisciplinary teams, lead design activities, and support FEED through startup, collaborating with operations and project management to deliver robust,

Qualifications

• Bachelor’s or Master’s degree in Chemical Engineering, Process Engineering, Mechanical Engineering, or related discipline.
• 8–12+ years of experience in process engineering within advanced manufacturing/high tech sectors.
• Familiar with Pressure Vessel and Piping Standards - US/EU.
• Experience with process design tools: PipeFlo, pipesym, pipephase, CHEMCAD or equivalents.
• Strong process safety, risk assessment, and regulatory knowledge.
• Ability to work in multidisciplinary teams and manage multiple priorities.
• Experience supporting commissioning, startup, or operational troubleshooting.
• Excellent communication with clients and stakeholders.

Responsibilities

• Lead process design activities (mass/energy balances, PFDs, P&IDs, hydraulics, capacity analysis).
• Develop and optimise manufacturing processes for throughput, yield, safety, and cost efficiency.
• Support FEED, detailed design, commissioning, and startup of advanced facilities.
• Conduct HAZOP/LOPA analyses and ensure safety/regulatory alignment.
• Review conformity with EU Directives (PED, ATEX, Machinery).
• Collaborate with mechanical/electrical/controls teams for integrated solutions.
• Plan and schedule discipline scope for projects.
• Prepare technical documents and validation protocols.
• Engage with clients to understand requirements and support decisions.
• Troubleshoot process issues during construction and commissioning.

Skills

Chemical/Process Engineering knowledge

Regulatory compliance

Multi-disciplinary teamwork

Project prioritization

Education

Bachelor's or Master's in Chemical/Process/Mechanical Engineering

Tools

PipeFlo

pipesym

pipephase

CHEMCAD

Job description

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

The Senior Process Engineer will play a key role in delivering high performance manufacturing solutions across Jacobs’ Advanced Manufacturing portfolio. This role focuses on developing, optimizing, and validating production processes for clients in sectors such as semiconductors, and high tech manufacturing. The engineer will work within multidisciplinary project teams to design robust processes, improve efficiency, and ensure compliance with industry standards and client requirements.

Key Responsibilities

• Lead process design activities including mass/energy balances, PFDs, P&IDs, hydraulic/pressure loss/relief calculations, capacity and utility analysis, equipment sizing, and process modelling for new and existing manufacturing systems.
• Develop and optimise manufacturing processes to improve throughput, yield, safety, sustainability, and cost efficiency.
• Support front end engineering design (FEED), detailed design, commissioning, and start up activities for advanced manufacturing facilities.
• Conduct process hazard analyses (HAZOP, LOPA, ATEX) and ensure alignment with safety, regulatory, and quality standards.
• Review conformity with relevant EU Directives - typically PED, ATEX, Machinery Directives.
• Collaborate with mechanical, electrical, controls, and project management teams to deliver integrated engineering solutions.
• Estimating, planning and scheduling the discipline scope for a project
• Prepare technical documentation including specifications, design reports, operating procedures, and validation protocols.
• Engage directly with clients to understand requirements, present design solutions, and support decision making throughout the project lifecycle.
• Troubleshoot process issues and provide technical guidance during construction and commissioning phases.
• Contribute to continuous improvement initiatives and the development of best practices within the Advanced Manufacturing team.

Here’s what you’ll need

• Bachelor’s or Master’s degree in Chemical Engineering, Process Engineering, Mechanical Engineering, or a related discipline.
• 8 - 12+ years of experience in process engineering within advanced manufacturing, industrial engineering, or a related high tech sector.
• Familiar with applying relevant Pressure Vessel and Piping Standards - US and EU.
• Proven experience with process design tools (e.g., PipeFlo, pipesym, pipephase, ChemCAD, or equivalent).
• Strong understanding of process safety, risk assessment methodologies, and regulatory frameworks.
• Demonstrated ability to work in multidisciplinary teams and manage multiple project priorities.
• Experience supporting commissioning, start up, or operational troubleshooting.
• Excellent communication skills and the ability to engage effectively with clients and internal stakeholders.

Preferred Skills

• Experience in semiconductor, biotech, pharmaceutical, battery manufacturing, or other high purity/cleanroom environments.
• Knowledge of sustainability principles, energy efficiency, and decarbonisation strategies in manufacturing.
• Knowledge of data analysis, design of experiments, and 6 Sigma analysis and practices.
• Familiarity with EU Directives relevant to engineering design - ATEX, PED, Machinery Directive, Industrial Emissions Directive.
• Familiarity with digital engineering tools, data analytics, or automation/controls integration.
• Chartered Engineer status or other professional accreditation.
• Coordination of Piping Design experience able to use, and review piping specification, experience of piping design coordination or representing the Process Discipline during this coordination.
• Specification of Turnkey Vendor scope, and Coordination of Turnkey design with in house design and design by others.
• Layout development and coordination, review and coordination of requirements with Architects and other disciplines.
• Control system development, experience of working with I&C and System Integrators within a project

Joining Jacobs

Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.

With safety and flexibility always top of mind, we’ve gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You’ll uncover flexible working arrangements, benefits, and opportunities, from well-being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you’ll discover how you can cultivate, nurture, and achieve your goals – all at a single global company. Find out more about life at Jacobs.

We aim to embed inclusion and belonging in everything we do. We know that if we are inclusive, we’re more connected and creative. We accept people for who they are, and we champion the richness of different perspectives, lived experiences and backgrounds in the workplace, as a source of learning and innovation. We are committed to building vibrant communities within Jacobs, including through our Jacobs Employee Networks, Communities of Practice and our Find Your Community initiatives, allowing every employee to find connection, purpose, and belonging.Find out more about ourJacobs Employee Networks here.

Jacobs partners with VERCIDA to help us attract and retain talent from a wide range of backgrounds. For greater online accessibility please visit https//www.vercida.com/uk/employers/jacobs to view and access our roles.

As a disability confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.