Geotechnical Engineer

Senior Geotechnical Engineer (Contract – Inside IR35)

Location: London, UK (Hybrid – minimum 3 days per week in office, negotiable)
Start Date: 23 February 2026 (or as soon as possible thereafter)
Contract Type: Fixed-term contract with option to extend (approx. 2 months)
IR35 Status: Inside IR35

Spencer Ogden is supporting a major offshore energy project and is seeking an experienced Senior Geotechnical Engineer to join an engineering team delivering offshore site characterisation and jack-up installation support.

This is a high-impact contract role suited to a senior professional with strong offshore geotechnical expertise and the ability to work across multiple workstreams in a fast-paced project environment.

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Key Responsibilities

The role will cover both traditional offshore site characterisation and support to jack-up activities, including:

• Reviewing leg penetration and spudcan–quay wall interaction analyses produced by consultants

• Reviewing leg penetration analyses and vessel suitability assessments

• Delivering high-level jack-up installation assessments using established in-house tools and methodologies

• Supporting the scoping, planning and execution of offshore geotechnical site investigations and laboratory testing

• Analysing and interpreting large geotechnical datasets to produce high-quality site characterisations

• Deriving engineering soil and rock parameters to support foundation, cable design and installation assessments

• Supporting engineering assessments related to jack-up installations

• Contributing to wider offshore wind farm site characterisation and related engineering activities

• Undertaking other tasks aligned with senior geotechnical competencies as required

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Key Skills & Experience

To be successful in this role, you will have:

• Proven experience in offshore site characterisation and analysis of in situ and laboratory geotechnical data

• In-depth experience planning, scoping and executing offshore geotechnical site investigations

• Strong experience with Leg Penetration Analyses and engineering assessments for jack-up installations

• Proven capability in processing and validating geotechnical data, including AGS data handling

• Extensive experience producing Geotechnical Interpretation Reports (GIRs)

• A solid understanding of geotechnical inputs to foundation and cable design, installation constraints, and engineering interfaces

• Strong analytical, communication and stakeholder management skills

• The ability to manage multiple tasks in parallel with a high level of personal responsibility and accountability

• A results-oriented mindset

• Fluency in written and spoken English

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Additional Information

• Primary working location is London, with hybrid flexibility by agreement

• The role is offered on a contract basis with potential for extension

• You will work within established quality assurance procedures and digital engineering platforms

We are currently seeking a highly skilled and experienced Geotechnical Engineer to join our team in London. As a Geotechnical Engineer, you will be responsible for providing technical expertise in the field of geotechnical engineering, with a focus on site investigation, analysis, and design.

Key Responsibilities:

• Conducting site investigations and geotechnical assessments
• Preparing geotechnical reports and recommendations
• Designing foundations, retaining walls, and slope stabilization measures
• Providing technical support to project teams
• Ensuring compliance with health and safety regulations

Required Skills and Experience:

• Minimum of 5 years of experience in geotechnical engineering
• Proficiency in geotechnical analysis software
• Strong knowledge of soil mechanics and foundation engineering
• Excellent communication and problem-solving skills
• Ability to work independently and as part of a team
• Chartered Engineer status preferred

If you meet the above criteria and are looking for an exciting opportunity to further your career as a Geotechnical Engineer, please apply now.