Senior Consultant - Commercial-Technical Authority

TGS; Norwich; On-site; GBP 70,000 - 110,000; Full time

Job summary

TGS | 4C is a leading provider of intelligence and advisory services to the global wind energy sector. The Commercial Technical Authority / Senior Consultant role provides senior commercial leadership and technical assurance for Marine Consulting bids across subsea, offshore energy and marine geoscience.

This senior position leads priority bids, ensures quality assurance, and coordinates delivery handover while aligning commercial, technical and project teams across UKCS, EMEA and international

Qualifications

• Substantial commercial, tender or business-development experience in subsea, marine survey, offshore energy or related services.
• A technical foundation in hydrography, geophysical or geotechnical survey, geomatics, GIS, data processing or marine consultancy.
• A record of leading competitive tenders and client opportunities across the UKCS, EMEA or international markets.
• Ability to convert complex requirements into clear scopes, persuasive proposals and deliverable commitments.
• Sound judgement across pricing, qualifications, risk, contractual interfaces, negotiation and project handover.

Responsibilities

• Lead commercial and tendering activity for the Marine Consulting portfolio.
• Define win themes and bid plan for opportunities.
• Coordinate inputs, reviews, approvals and submission.
• Develop pricing and contractual responses balancing value, risk and return.
• Guide pursuit decisions using UKCS, EMEA and international market awareness.
• Oversee client engagement and handover into delivery.

Skills

Commercial & tendering experience

Client engagement

Tender leadership

Strategic bid development

Education

Hydrography / Geomatics / GIS degree

Job description

TGS | 4C is a leading provider of intelligence and advisory services to the global wind energy sector. For over 17 years, we have helped developers, suppliers and investors make informed decisions through leading project, supply chain, regulatory, financial and GIS insights. Today, 80% of leading offshore wind developers and suppliers use our platform.

In 2026, we expanded our offering with the launch of onshore wind intelligence, extending our trusted expertise across the wider energy sector.

Our Advisory team combines proprietary data with deep industry knowledge to deliver independent investment level insights across global wind markets.

The Commercial Technical Authority / Senior Consultant provides senior commercial leadership and technical assurance for Marine Consulting bids and assignments across subsea, offshore energy and marine geoscience. The position connects client requirements with delivery capability, leading tender strategy, commercial controls and the application of marine survey, geomatics, GIS and data-management expertise.

This senior role is accountable for priority bids, commercial and technical review, client engagement, quality assurance and effective handover into project delivery.

Principal Accountabilities

• Lead commercial and tendering activity for the Marine Consulting portfolio, including:
• Opportunity strategy - qualify prospects, define win themes and set the bid plan
• Tender governance - coordinate inputs, reviews, approvals and submission
• Commercial positioning - develop pricing and contractual responses that balance value, risk and return
• Challenge proposals against client need, technical feasibility, resource capacity, schedule, risk and margin.
• Create consistent, auditable tender practices through:
• Maintaining bid schedules, responsibilities and decision records
• Developing reusable proposal content, pricing tools and market intelligence
• Coordinating experts across survey, geoscience, geomatics and data services
• Improving transition from opportunity qualification and award into delivery
• Use UKCS, EMEA and international market awareness to guide pursuit decisions.
• Align commercial, technical, project and support teams behind clear, deliverable commitments.

Technical Authority & Quality Assurance

• Act as senior technical authority for marine survey, geomatics, GIS and data-processing content in bids and selected consultancy assignments.
• Review scopes, methods, estimates, assumptions and deliverables for completeness and fitness for purpose.
• Provide independent challenge and assurance at key tender, contract and project decision points.
• Translate hydrographic, geophysical, geotechnical and subsea information into clear commercial recommendations.
• Promote proportionate standards, quality controls and lessons learned across proposals and technical outputs.

Client, Tender & Commercial Delivery

• Lead priority opportunities from early client engagement through tender submission, negotiation and award.
• Shape practical solutions for marine survey, offshore energy, geoscience, geomatics and information-management requirements.
• Coordinate client clarifications, commercial qualifications, contractual interfaces and mobilisation handover.
• Maintain oversight of pipeline, bid workload, submission quality, commercial exposure and outcomes.

Project & Organisational Leadership

• Lead multidisciplinary contributors with technical credibility, commercial judgement and clear priorities.
• Mentor managers, consultants and specialists in tendering, client communication and decision-making.
• Connect teams so expertise, market intelligence and delivery experience are used efficiently.
• Provide senior-consultant support to complex projects, reviews and client discussions.

Governance, Commercial Control & HSE

• Oversee bid approvals, pricing logic, contractual exposure, project risk, margin and resources.
• Ensure proposals and advice comply with company governance, quality, HSE and ethical requirements.
• Maintain clear records, timely escalation and accountable decisions across the opportunity lifecycle.

Essential

Experience & Professional Background

• Substantial commercial, tender or business-development experience in subsea, marine survey, offshore energy or related services.
• A technical foundation in hydrography, geophysical or geotechnical survey, geomatics, GIS, data processing or marine consultancy.
• A record of leading competitive tenders and client opportunities across the UKCS, EMEA or international markets.
• Ability to convert complex requirements into clear scopes, persuasive proposals and deliverable commitments.
• Sound judgement across pricing, qualifications, risk, contractual interfaces, negotiation and project handover.
• Experience managing people, contributors or contractors within multidisciplinary teams.
• Confident communication with clients, senior stakeholders, specialists and operational teams.
• Able to work from Norwich and travel to client, company, vessel or industry locations when required.

Additional Strengths

• Degree, postgraduate qualification or equivalent experience in hydrography, geomatics, GIS, civil engineering or a related discipline.
• Formal management development and knowledge of quality-management systems or internal auditing.
• Industry participation and an established offshore energy, hydrography, marine survey or regional supply-chain network.

Leadership Attributes

• Commercially astute and technically credible
• Structured, organised and disciplined under tender deadlines
• Trusted by clients, colleagues and subject-matter experts
• Able to motivate and coordinate diverse contributors
• Strategic in outlook and practical in execution
• Clear, persuasive and confident in written and verbal communication
• Accountable, collaborative and committed to quality and safe delivery

At TGS | 4C, we believe diverse perspectives drive better outcomes. We are proud to be an equal-opportunity employer and foster a culture of inclusion, collaboration, and growth.