Principal​/Senior Land Quality Consultant

We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. With more than 55,000 people in 40+ countries, working with us offers an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.

People are our 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 programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched‑funding, paid volunteering time and charitable donations.

Work‑life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part‑time and flexible working hours, patterns and locations to suit you and our business.

Amentum provides client‑oriented solutions across our environment, energy, and defence businesses. With a strong order book and a diverse, exciting portfolio of projects across the UK and internationally, we need to expand our team of environmental specialists across multiple disciplines required to deliver a project lifecycle—from new build and operations through to decommissioning and site end use. We offer opportunities for significant career advancement, attractive remuneration, and flexible working, as well as leadership and client relationship role development.

We are seeking a Principal or Senior Land Quality Consultant to join our established team working across our environment, energy and defence businesses. In this role, you will serve as a technical lead on contaminated land projects and contribute to project management, client liaison, and mentoring of junior colleagues. You will help ensure our projects meet the highest standards of health, safety, and environmental compliance.

We offer flexible working arrangements (a mix of office‑based and home working). This role can be based in Harwell, Rotherham, Cumbria or Birchwood.

• Technical Leadership:
  Act as a technical authority on land quality projects, guiding investigations, risk assessments, and remediation strategies.

• Project Management:
  Plan and deliver projects on time and within budget, including scheduling, resource allocation, and coordination with clients and subcontractors.

• Client & Stakeholder Engagement:
  Build and maintain strong relationships with clients, regulators, and other stakeholders, providing clear updates on project progress, risks, and potential solutions.

• Regulatory Compliance:
  Ensure all works adhere to UK environmental legislation and best practice for contaminated land management, particularly in high‑hazard industrial contexts.

• Team Collaboration & Mentorship:
  Support junior staff by offering technical guidance and feedback; foster a positive working environment that promotes knowledge sharing and professional growth.

• Business Development:
  Contribute to proposals and bids, identifying opportunities to expand our land quality services and strengthen client relationships.

Below are the qualifications and experience that we’re seeking in applicants. We understand that not everyone will meet every single requirement, so if you believe you have most of the relevant experience and strong potential to succeed in this role, we’d love to hear from you.

• Contaminated Land
  
  Experience:
  
  Demonstrable (5+ Years) experience in the investigation and remediation of contaminated land, with strong knowledge of risk assessment methodologies (qualitative and quantitative) for human health and controlled waters. Experience of applying the Environment Agency’s Remedial Targets Methodology would be advantageous.

• Regulatory Knowledge:
  Familiarity with relevant UK legislation, including Part 2A of the Environmental Protection Act and Environmental Permitting…