Senior Building Services Design Engineer - (Mechanical)

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

Our values are the fundamental tenets shared across our organisation and the standards we hold ourselves to We do things right | We aim higher | We challenge the accepted | We live inclusion.

People are Jacobs’ greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programs, plus reimbursement towards relevant professional development and memberships.

About The Opportunity

Due to our expanding portfolio and long-term local framework growth, we have an exciting opportunity for a Principal Mechanical Engineer (Building Services) to join our multi-disciplinary UK buildings team in our Birmingham, London or Manchester offices

As part of our multi-disciplinary design consultancy our Building Services team are involved in a variety of refurbishment and new build projects, planned and reactive maintenance projects, major infrastructure replacement projects, including several multi-million-pound development schemes and framework agreements within the construction industry here in UK as well as abroad.

These projects cover a multitude of sectors including High-rise Residential, District Energy Systems, Aviation, Transport, Energy and Power, Water, Data Centres, industrial, Healthcare and many more.

We are looking for a person who is eager to further develop their experience and responsibilities within the Building Services Mechanical sector and lead a team of junior engineers in the engineering delivery of projects to time, cost and quality or in the sole management and leadership of small projects

As a senior professional in our team, you'll lead the functional delivery of projects—often multidisciplinary—ensuring they meet scope, time, cost, and quality expectations. You’ll be a role model, actively supporting junior staff and contributing to team development, resource planning, and continuous improvement.

You’ll take ownership of your work and guide others, from planning and prioritising tasks to checking calculations and ensuring high-quality outputs. Your understanding of scope, fees, and client communication will be key in managing expectations and identifying value-adding opportunities.

Beyond technical delivery, you’ll play a vital role in mentoring, promoting diversity and inclusion, and supporting strategic activities like recruitment, budgeting, and policy development. You’ll represent Jacobs in client meetings, help strengthen relationships, and contribute to winning future work.

Jacobs is driving forward an impressive pipeline of high-impact projects across the globe, with a particularly strong presence in the Middle East, aviation, and power and water infrastructure sectors. From cutting-edge airport expansions to transformative water treatment facilities and sustainable energy developments, the diversity and scale of Jacobs’ work offer unparalleled opportunities for growth and innovation. Any experience in the above areas would be very welcome.

Here's what you'll need

We are seeking individuals who are passionate about engineering and eager to contribute to diverse and challenging projects. We welcome applications from all qualified candidates, regardless of gender, and encourage a diverse range of perspectives to enhance our team’s creativity and innovation. Opportunities for travel are available for those interested in exploring projects beyond their local environment.

This is a role is definitely for someone who thrives on collaboration, innovation, and making a real impact—both within the team and for our clients.

• Proven relevant project design experience in building services mechanical engineering
• Degree in Building Services Mechanical Engineering or equivalent qualification/experience
• Proficient in Revit MEP, AutoCAD, IES VE, and building regulation compliance assessments
• MCIBSE / MIET C Eng accreditation (or actively working towards it)
• Strong knowledge of UK building regulations
• Experience in sustainable technology integration
• Proven project leadership and people management capabilities
• Excellent technical skills and attention to detail
• Ability to deliver high-quality, innovative solutions in a multidisciplinary environment
  
  
  

Please note this is a hybrid role requiring 2 to 3 days in the office including client site visits.

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 our Jacobs 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 www.vercida.com to view and access our roles.

As a disability confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. 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.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.