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.

ABOUT THE OPPORTUNITY

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.

HERE’S WHAT YOU’LL NEED

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 Regulations, and experience applying the CL:AIRE Definition of Waste Code of Practice (DoWCoP).
• Project Delivery: Proven record of successfully delivering medium-sized projects, including budgeting, scheduling, and team co-ordination.
• Education: Degree in Environmental Science, Geoscience, Engineering or a related subject (MSc or higher desired).
• Professional Qualifications: Progress towards (or attainment of) a relevant chartership (e.g., CGeol, CEnv) and/or Specialist in Land Condition (SiLC) accreditation is advantageous.
• Communication & Interpersonal Skills: Able to build rapport with clients and regulators, present complex information clearly, and work effectively in multidisciplinary teams.
• HSE Focus: Strong commitment to health, safety, and environmental excellence.
• Other: Willingness to travel to project sites across the UK and hold a valid UK driving licence.

This role provides an excellent opportunity for an experienced consultant looking to advance in technical leadership, project management, and client-facing responsibilities.

OUR CULTURE

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.
We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centered on inclusion and diversity.
We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility, please visit www.vercida.com 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.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters

KEY RESPONSIBILITIES

• 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 co-ordination 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 Regulations, and experience applying the CL:AIRE Definition of Waste Code of Practice (DoWCoP).
• Project Delivery: Proven record of successfully delivering medium-sized projects, including budgeting, scheduling, and team co-ordination.
• Education: Degree in Environmental Science, Geoscience, Engineering or a related subject (MSc or higher desired).
• Professional Qualifications: Progress towards (or attainment of) a relevant chartership (e.g., CGeol, CEnv) and/or Specialist in Land Condition (SiLC) accreditation is advantageous.
• Communication & Interpersonal Skills: Able to build rapport with clients and regulators, present complex information clearly, and work effectively in multidisciplinary teams.
• HSE Focus: Strong commitment to health, safety, and environmental excellence.
• Other: Willingness to travel to project sites across the UK and hold a valid UK driving licence