Principal Cost Estimator Shape the Cost of the UK's Greenest Road Project If you're a Cost Estimator who values purpose, collaboration and shared success, this is a rare opportunity to contribute to an infrastructure programme that genuinely puts people, communities and sustainability first Join the Lower Thames Crossing - a nationally significant, pathfinder scheme designed to be the greenest road project ever delivered in the UK In this role, your expertise will help shape how one of the UK's most complex infrastructure programmes is delivered - financially, socially and environmentally. You'll support the programme by: • Reviewing and assuring contractors' bottom up cost forecasts, helping ensure clarity, consistency and trust • Bringing together cost, risk and schedule information into clear, shared client forecasts aligned with Performance Measurement Baseline guidance • Offering thoughtful, evidence based insight that supports procurement, delivery planning and commercial confidence Your work will be visible, valued, and closely connected to the wider team's success You'll feel the impact of your contribution every day We Offer Competitive salary aligned to your experience and RICS accreditation Flexible working arrangements - hybrid, parttime, flexible hours and locations 24 days holiday plus the option to buy up to 10 additional days Up to 10% employer pension contributions Comprehensive health cover including single medical cover & Digital GP (with options to add dependants) Family planning support including fertility healthcare Employee Networks to support colleagues from all backgrounds Enhanced parental leave and free access to support programmes Life assurance at 4x salary Income protection for long-term security Wellbeing Hub with free access to Calm, Daily Burn and more Professional Development - we pay your professional membership fees and offer extensive CPD opportunities ? Community Engagement - matched charity funding, paid volunteering days, and corporate giving schemes About the Opportunity Lower Thames Crossing is a pathfinder programme, setting new expectations for low carbon, publicly funded infrastructure while preparing for private investment. You'll manage the estimating function across all phases of the project, working together with delivery partners across the construction industry and an inclusive, multi disciplinary team of more than 300 people. Around half of your time will focus on supporting and reviewing contractor cost forecasts, alongside client risk reviews, spend profiling, developing estimating tools, and preparing clear Basis of Estimate and Estimate Reports. Strong relationships, open communication and mutual respect are central to how this team works - you'll be supported to connect, share perspectives and contribute in a way that feels authentic. Grade: Principal Consultant Location: Grays, Essex | London Department: Commercial Funding & Finance (Programmes & Advisory) A degree in Quantity Surveying, Civil Engineering, Construction Management or similar Chartered status or actively working towards it Demonstrable experience in estimating roles on major infrastructure projects Proven experience on nationally significant schemes (e.g. HS2, Tideway, Crossrail, National Highways) Familiarity with National Highways PCF, IPA Cost Estimating Guidance, DfT TAG, and Green Book principles Familiarity with NEC contracts and public sector governance Estimating Techniques: Strong capability in first principles estimating, hybrid cost modelling, and structured Basis of Estimate documentation Proficiency in estimating software (e.g., CostX, PRISM, Excel-based models), and integration with planning and risk tools A collaborative, considerate approach, with strong interpersonal skills and a genuine interest in how things fit together Want to be part of something meaningful - together? If you're looking for a role where your voice is heard, your contribution is trusted, and your work supports a greener future, we'd love to hear from you. Apply now and help deliver infrastructure that connects people and communities for generations to come. Jacobs operates a hybrid work environment and a 40-hour working week as standard Good luck with your application LI-EG1 LI-HYBRID Hashtags for LinkedIn: ConsultingCareers JacobsCareers UKJobs HybridWorking https://careers.jacobs.com/en_US/careers/JobDetail/37706 Essex|Essex|United Kingdom London|Greater London|United Kingdom Birmingham|West Midlands|United Kingdom Construction Cities & Places 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/uk/employers/jacobs 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 .