Estimator

We are looking for a motivated and detail-driven Estimator with a strong interest in civil engineering projects to join our expanding team. This is an excellent opportunity to develop or progress your career in estimating while contributing to projects that focus on engineering excellence with consideration for environmental enhancement. As part of our Bids and Business Development Team, you will work closely with Project Managers, Engineers, and Technical Leads to deliver accurate costings and high-quality proposals for a wide range of schemes.

Five Rivers is widely recognised as a leading specialist in the consultation, design, and delivery of civil engineering and environmental solutions. With over 25 years’ experience, we are continuing to grow through our commitment to innovation, quality, and customer focus. Our portfolio includes water and renewable energy infrastructure, flood defence works, river engineering, habitat creation, and wetland restoration projects, often integrating infrastructure and environmental design to deliver sustainable outcomes.

This hybrid role is based from our Head Office in Codford, Warminster, with opportunities for remote working and frequent site visits nationwide.

Key Accountabilities

• Prepare accurate and detailed cost estimates for a range of civil engineering and environmental projects.
• Review technical drawings, specifications, and site requirements to produce robust tenders.
• Draft and compile bid documents and written proposals.
• Source and evaluate supplier and subcontractor quotations.
• Attend site visits with engineers and specialists to assess project requirements.
• Work closely with in-house teams to refine and support bid preparation.
• Support bid administration and ensure submissions meet tender deadlines.

About You

We’re seeking someone with a passion for civil engineering, eager to learn and thrive in a collaborative, fast-paced setting.

Essential:

• Full UK driving licence.
• A degree in Civil Engineering, Construction, Environmental Engineering, or a related discipline.
• Strong numerical and analytical ability.
• Proficiency with Microsoft Office (particularly Word and Excel).
• Confident communicator with strong presentation and interpersonal skills.
• High attention to detail, organised, and able to manage workloads to strict deadlines.
• A proactive and positive approach with a willingness to adapt.

Desirable:

• Previous experience in civil engineering or construction sectors.
• Familiarity with estimating and/or project management tools (e.g., Bidwork, Microsoft Project).

What We Offer

• PayCare health cash plan.
• Death in Service benefit.
• 25 days annual leave plus bank holidays.
• Flexible and hybrid working options.
• Company pension scheme.
• Ongoing training and professional development opportunities.
• A supportive and collaborative workplace culture.
• Exposure to a wide variety of innovative and meaningful civil engineering and environmental projects.

Interested?

We are committed to creating an inclusive and diverse workplace where everyone feels valued. If you want to be part of a team delivering projects that make a real impact on infrastructure, flood resilience, and the natural environment, apply now.