Senior Estimator (0594)

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Senior Estimator

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At Octavius Infrastructure, we deliver high‑quality, sustainable civil engineering and rail projects that make a real difference to the communities we serve. Our people are at the heart of everything we do, their expertise, collaboration and professionalism are what drive us forward.

We're now looking for a Senior Estimator to join our growing Rail business unit. If you're motivated by challenging infrastructure projects and want genuine flexibility in how and where you work, this could be the next step you've been waiting for.

 

Why this role stands out:

This is a role designed for balance, autonomy and meaningful impact. You'll have the freedom to manage your own time through a hybrid working arrangement, while staying connected to supportive colleagues across our frameworks. You'll also spend time on‑site when it matters most building relationships with delivery teams and stakeholders, and truly shaping the quality of the solutions we offer.

You can base yourself at any of our framework offices — Manchester, Birmingham, Stratford, Blackfriars, Swindon or Head Office in Reigate, with the majority of your week spent working from home.

 

Key Responsibilities

  • Producing accurate cost estimates for Network Rail schemes including AFA, new stations, Power Supply upgrades and E&P Renewals.
  • Building detailed estimates from first principles, ensuring reliability and confidence in cost breakdowns.Working collaboratively with project managers, engineers and other key stakeholders to gather insight and develop well‑informed pricing strategies.
  • Reviewing drawings, specifications and technical documents to prepare time, cost, materials and labour calculations.
  • Contributing to tenders and bid submissions, ensuring competitive pricing and alignment with client requirements.
  • Monitoring project costs and highlighting risks, opportunities and value‑engineering options.
  • Keeping up to date with industry standards, best practice and contractual requirements (including NEC and ICE conditions).

 

Qualifications and Experience

  • Proven experience in pricing infrastructure projects on Network Rail infrastructure.
  • Strong background in civil engineering, or construction management, in a rail environment.
  • Extensive experience working with a tier 1 or 2 contractor.
  • Strong knowledge of NEC or ICE contract conditions and programme management.
  • Excellent communication skills and the ability to foster a collaborative work environment.
  • High adaptability and the ability to manage multiple priorities in a fast-paced environment.
  • Strong integrity, professionalism, and a commitment to delivering high-quality results.
  • Able to work autonomously and comfortable with remote or hybrid working.

 

You'll receive:

At Octavius, we want you to thrive — professionally and personally. You'll receive:

  • Competitive reward package
  • Company car scheme
  • Private healthcare
  • Pension & life assurance
  • 25 days annual leave plus your birthday off
  • Hybrid working (home + your choice of framework office)
  • Enhanced paternity & maternity packages
  • Ongoing personal and professional development opportunities

 

If you're an experienced Senior Estimator who wants more flexibility, more autonomy and the chance to work on meaningful rail projects, we'd love to hear from you.

Join a team that's shaping the future of rail infrastructure. Build a career that works for you.

 

Inclusion and diversity are important to us, we are an equal opportunities employer and value difference. We want and will continue to build an inclusive environment where our people thrive. We firmly believe constantly striving to build a truly diverse workforce is what makes us a strong business and will enable us to continue to solve important problems and deliver unrivalled value to both our customers and clients. If you need any specialist support throughout your application, we will work with you where we can to support your journey with us.

Closing Date:

Salary: Competitive / Based on experience

Department: Delivery - Rail

Contract Type: Permanent

Working Pattern: Full time

Main Location: Nationwide, Nationwide, Nationwide

Additional Locations: Nationwide. Manchester. London. Reigate. Birmingham 

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