Job Description

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive.

Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all.

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive 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.

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

We are looking for a motivated Junior Geophysicist with at least two years of professional experience to join ourSubsurface Solutionsteamwithin theEarth and EnvironmentalOperations Area You will bridge the gap between complex data collection and practical engineering solutions, supporting environmental, defence and energyprojects.

This is a hybrid role involving hands-on field data acquisition, advanced processing, and technical reporting.

You will be working within a multidisciplinary team with specialities in low strength sedimentary rock, high strength rock and Quaternary geology, and in disciplines ranging from hydrogeology, land quality, geotechnical engineering, engineering geology andgeoscience related safety case work Much of the work we undertake involves siting, site characterisation, site descriptive models and understanding subsurface conditionsand hazards In addition, you will be encouraged to work with the wider Amentum community to further strengthen the team’s capabilities.You will also gain experience in complex bid preparation, project management and technical planning.As a result, we are looking for people who have the passion and drive to be involved with major projects with strong adaptability, prioritisation and teamworking skills.

Whilst much of our work is focussed on exciting projects that form part of Amentum’sEnergy, Environment and Defence businesses We would be interested in candidates with experience in carbon capture and storage (CCS) and geothermal energy, which could compliment future growth opportunities.

What You’ll Do:

• Field Data Acquisition: Lead and support geophysical surveysusing in-house survey equipment such asERI, GPR,EM andHVSR

• Site Investigation: Assist in the design of survey programmes to identify subsurface risks like voids, utilities, or varying bedrock depthand integrate findings with geotechnical and geoenvironmental teams planning intrusive investigations.

• Support the design ofthird partyonshore surveys such as MASW, 2D reflection and refraction, wireline and cross-hole seismic, providing field supervision.

• Support the design of third partynear-shore marinesurveys such asSBP, Magnetometer,2D reflection and refraction, providing field supervision(offshore certification and training provided)

• Data Processingand interpretation Utilise industry-standard software (e.g. Res2DInv,Geolitix) to process raw field data into actionable models.

• Assist with the interpretation of 2D and 3D seismic datasets (IHS Kingdom).Conduct structural analysis and fault mapping using geophysical, borehole, and field data and integrate with other datasets to support subsurface evaluations.

• Develop an understanding of the underlying requirements of our clients, and how we can meet those requirements.

• Reporting: Technical writing of factual and interpretive reports, ensuring high-quality visualisations and clear recommendations.

• Safety & Logistics: Manage field equipment maintenance and uphold strict Health & Safety standards on-site.

What We’re Looking For

• Education: A degree in Geophysics, Geology, or Civil Engineering (MSc preferred).

• Experience: 2+ years in a commercial engineering or environmental geophysics environment.

• Technical Skills: Proficiency in GIS (ArcGIS/QGIS) and geophysical processing software.

• Field Readiness: Willingness to travel to remote sitesacross the UK and overseas when required,and work outdoors in varying weather conditions.

• Licensing: A full, clean driving licence is essential.

• Communication:Excellent written and verbal communication skills, including tailoring outputs to the requirements of different stakeholders

• Ability to manage time and priorities while working on several varied projects.

• Ability to autonomously develop critically thought-out solutions and bring work scopes to the team, including the ability to show/communicate critical thinking in assessing other solutions.

Our Culture

Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration.

We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work.

When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.

We partner with VERCIDA, 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.

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.

Compensation Details:

GBP

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

04/15/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

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