Shape the Future of our cities and environments. Are you ready to take up a vital role in shaping some of our exciting projects? How about joining our talented team, where everyone has a voice, and together we face our clients' challenges head-on. It's a diverse and inclusive work environment where world-class talent knows no distinctions. Bring your skills to the mix as a Principal Mechanical Engineer, you'll play a vital role in every aspect of mechanical engineering on Transformational Programmes for critical UK infrastructure with opportunities to work on iconic engineering projects at home and abroad. We specialise in all aspects of mechanical engineering, within multiple challenging and engaging sectors such as Water, Aviation, Defence, Energy, Cities & Development and Education. We continue to provide industry-leading mechanical engineering solutions right through the project lifecycle, with value added through client-side support as well as construction phases. If being a part of a team with a passion for this industry is for you then we would love to talk to you. We currently have opportunities in our Belfast office. We're big on expertise but not on hierarchy. So, we'll trust you with more responsibility faster, supporting your career to the next level. Your Purpose: Lead a team to undertake technical design work following relevant design standards and codes, and to high-quality levels. Prepare briefs, scopes of work, and input into bid proposals. Successfully manage time and budgets to key project milestones and programmes. Work closely with teams in the UK and overseas to deliver integrated design solutions. Adhere to quality assurance standards in design. What you can bring: Chartered Mechanical Engineer. Experience in leading design delivery, including multidisciplinary design. Thorough knowledge in mechanical equipment, such as pumps, blowers, screens and chemical dosing plant as well as an in-depth understanding of current UK design standards and working practices. Strong understanding of legislation such as CDM and ATEX. Why work for AtkinsRéalis? We're ranked as one of LinkedIn's Top 25 Companies, where UK professionals want to work and stay once, they join. We've also made the Times Top 50 employers for women. Our Infrastructure team uses innovation, new approaches and the power of data to help our clients deliver end-to-end projects and programmes for essential future infrastructure. And as the work becomes ever more complex, our employees continue to challenge the status quo. We're committed to engineering better for people and our planet, from our global Engineering Net-Zero programme to creating social value through EDAROTH community housing. We're proud of our active employee networks creating awareness and allyship for our under-represented groups. Not to mention programmes supporting communities outside AtkinsRéalis, including schools, charities, ex-forces and professionals returning after career breaks. Security clearance: This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance. We are committed to promoting a diverse and inclusive community - a place where we can all be ourselves, thrive and develop. To help embed inclusion for all, from day one, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee networks to support staff from different backgrounds. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability. #LI-INFRASTRUCTURE | #LI-UK #DAT#LI-UKI Worker Type Employee Job Type Regular At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.