Principal Design Engineer

Join our Team: Principal Design Engineer

Location: Farlough, Dungannon

Working hours: Monday- Thursday 7.45-5.00 and Friday 7.45-12.30

Here at Terex, we are passionate about producing equipment that helps improve the lives of people around the world and providing our team members with a rewarding career and the opportunity to make an impact. While our operations are global, each office or factory is a close-knit community. It’s an exciting time to be part of the expanding manufacturing sector – come join us!

We have an exciting roadmap ahead for new products and services, as a result of this continued success, we are expanding our teams. We currently have an opportunity for a Principal Engineer, Terex Washing Brand based at Farlough Site.

What’s in it for you

• Excellent total compensation package to include competitive salary, sales incentive plan, free Westfield health care for you and your dependents, contributory pension scheme and life assurance cover.
• Employee Stock Purchase Plan.
• Access to global learning and development programs offering accredited and specialist training.
• Perks @ work – offering you a wide range of discounts and offers on restaurants, cafes, hotels, gyms, retailers, day excursions, supporting our local businesses and communities.

About the Role

Working with the relevant departments and reporting to the Engineering Manager, the Principal Design Engineer will provide expert product design leadership and develop / detail new designs and where necessary create detailed prototype testing plans. They will provide leadership on design projects and ensure a specified solution is implemented within the agreed schedule and costs.

Responsibilities

• Leading the development and documentation of design processes for products designed within the company.
• Responsible for the accuracy and successful delivery of product design projects, for the product definition and design phases, concessions and production permits.
• Design, prototype, assess and review mechanical components and assemblies.
• Provide support in product acceptance, testing and validation activities.
• Prepare and participate in requirements and design review meetings.
• Undertake analysis of mechanical components, assemblies and systems, as well as manufacturing and assembly processes.
• Oversee and participate in prototyping activities.
• Support of the design, manufacturing and shop floor activity when required.
• Provide technical support for the company's product range across manufacturing, development and procurement.
• Provide engineering support for material selection during the design and development phase, including the design and development of tests to verify performance.
• Provide technical assistance to both external and internal customers, joining company representatives at customer sites as and when required.
• Support the cross functional team in problem solving and troubleshooting.
• Maintain a high level of technical knowledge coupled with ongoing professional development, for the joint benefit for the job holder and the business.
• Work with the engineering team to oversee warranty and product return reviews.
• Mentor, coach and develop engineering talent.
• Undertake any other reasonable duties that may be required at the discretion of your manager.

About You

Experience & Qualifications, Skills & Abilities

• Degree educated or equivalent in Engineering, ideally with design experience in wash/heavy equipment.
• A minimum of 8 years’ experience in design, ideally some at a senior or principal level.
• Competent user of 3D Solid Modeling CAD, ideally Pro-Engineer and familiarity with Product Data Management (PDM) systems.
• Good technical expertise in mechanical and hydraulic systems.
• Diligent approach to the design and development process.
• Experience of Finite Element Analysis (FEA) simulation and hand calculations for design analysis.
• A good understanding of the various applications that the equipment can operate in along with an appreciation for the expected performance of the machines.
• Creativity and innovative thinking.
• Experience with Oracle TMS a plus.
• Good English communication skill, both written and spoken.
• Good Presentation and interpersonal skills.

Desirable Experience

• Knowledge of pump curves.
• Experience reading and interpreting AggFlow simulations.
• Experience sizing pipework for water and slurry flow.

Key Skills will include

• A “Can do” attitude and ability to interact with a multi-functional team.
• Ability to work with others to meet deadlines.
• Able to assess workload and commit to realistic timelines.
• Able to select from multiple design alternatives when a clear best choice is not evident.
• Able to investigate root cause of machinery nonperformance.
• Can identify risks both technical and commercial with proposed product change/projects or new product/projects.
• Occasional national and international travel required.

All applicants must demonstrate through their application form how they meet the criteria for the position applied for. We reserve the right to enhance our selection criteria at the short listing stage, if required.

Terex is an equal opportunity employer and appointments are based on merit. We value diversity and welcome applications from all sections of our community.

Terex Washing Systems, is part of the wider Terex Materials Processing group.

This above description is non-exhaustive and there may be additional duties in accordance with the role.

If you are interested in an open position but feel you may not meet all the listed qualifications, we still encourage you to apply.

Terex Overview: Terex Corporation is a global leader in specialized equipment solutions, serving essential sectors such as emergency services, waste and recycling, utilities, and construction. Our diversified portfolio positions us in resilient, high-demand markets with strong long-term growth potential.

We design and manufacture advanced specialty vehicles—including fire, ambulance, and recreational vehicles—alongside waste collection vehicles, materials processing machinery, mobile elevating work platforms, and equipment for the electric utility industry. Through our global dealer, parts and service network and true value-creating digital solutions, we deliver best-in-class lifecycle support, helping customers maximize return on investment.

With a strong manufacturing footprint in the United States and operations across Europe, India, and Asia Pacific, Terex combines global reach with local expertise to capture opportunities worldwide. Our strategy is clear: exceed customer expectations, invest in innovation, leverage our diversified portfolio, and deliver consistent, profitable growth for our shareholders.

For more information, please visit www.terex.com.

Additional Information:

We see inclusion as a key to our success and are committed to actively foster a culture where every team member feels valued, listened to, and appreciated. We are committed to being fair and impartial in our decisions, ensuring equity within our workplace. As an Equal Opportunity Employer, employment decisions are made without regard to race, colour, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability or other characteristics protected by law. The Company offers competitive salaries, advancement opportunities, and a full range of benefits, including Westfield health care for you and your dependents, contributory pension scheme, life assurance cover, employee stock purchase plan and access to global learning and development programs offering accredited and specialist training.