Assistant Commercial Manager

Green Frog Connect; West Wick; Hybrid; GBP 40,000 - 50,000; Full time

Job summary

A growing infrastructure business in Weston-super-Mare seeks an Assistant Commercial Manager to support the management of client contracts in a collaborative environment. You'll assist with contract review, administration, and prepare commercial reports while maintaining strong control and compliance. Suitable candidates should have relevant experience in infrastructure or utilities and a keen eye for detail. The role offers a salary of £40,000-£50,000 plus uncapped bonuses and benefits, with hybrid working options.

Benefits

Uncapped bonus

Private healthcare

Pension

Clear development opportunities

Qualifications

• Experience in a commercial support, assistant commercial, contracts, or QS-related role within infrastructure or utilities.
• Comfortable working with contracts and commercial documentation.
• Good understanding of contract administration and change control processes.

Responsibilities

• Support the review of client draft contracts and commercial documentation.
• Assist with the management of variations and contractual notices.
• Prepare regular commercial reports and track actions.

Skills

Experience in commercial support or contracts

Understanding of contract administration

Attention to detail

Organisational skills

Comfortable with contracts

Confident in commercial discussions

Job description

Assistant Commercial Manager Infrastructure / Utilities

Location: Weston-super-Mare (Hybrid working available)
Sector: Utilities / Infrastructure / ICP Projects
Salary: GBP40,000 GBP50,000 + bonus & benefits

The Role

We re looking for an Assistant Commercial Manager to support the commercial management of client contracts across our infrastructure and utilities portfolio.

This rolereports directly to the Commercial Directorand forms part of a small, collaborative commercial function alongside a Quantity Surveyor and a Procurement Manager. You ll support the day-to-day commercial and contractual activities of live projects, helping to maintain strong commercial control, risk management, and contract compliance.

This is a hands‑on role suited to someone who enjoys the detail of contracts, change control, and commercial governance, and who wants to continue developing their commercial capability under senior leadership, without full commercial ownership or P&L responsibility.

What You ll Be Doing

Contract Review & Negotiation Support

• Support the review of client draft contracts, schedules, and commercial documentation.
• Assist with the preparation of contract mark‑ups, clarification schedules, and issue logs in line with company standards.
• Help manage negotiation cycles, including version control, comment tracking, and internal approvals.
• Maintain contract registers and clear records of agreed positions and outstanding issues.
• Support alignment between client contracts and subcontract / procurement strategies in collaboration with the QS and Procurement Manager.

Post-Award Contract Administration & Change Control

• Support day-to-day contract administration following project award.
• Assist with the management of variations, Early Warnings, Compensation Events (or equivalent mechanisms), and associated trackers.
• Help ensure contractual notices, records, and time‑sensitive requirements are issued and logged correctly.
• Maintain accurate change logs, contract registers, and commercial risk records within project systems.

Commercial Reporting & Governance

• Assist in preparing regular commercial reports covering variations, risks, and outstanding actions.
• Track commercial actions through to closure and support strong document and process discipline across project teams.
• Help ensure commercial procedures are followed consistently across projects.

Claims & Dispute Support

• Support the preparation of evidence packs for claims or dispute matters, under the direction of the Commercial Director.
• Assist with document collation, chronologies, and clause referencing as required.

About You

• Experience in a commercial support, assistant commercial, contracts, or QS-related role within infrastructure, utilities, construction, or engineering.
• Comfortable working with contracts and commercial documentation, with appropriate support and guidance.
• Good understanding of contract administration and change control processes.
• Strong attention to detail and good organisational skills.
• Confident working with internal teams and supporting external commercial discussions.
• Keen to develop professionally within a commercial function.

Desirable:

• Exposure to NEC and/or FIDIC forms of contract.
• Experience in utilities, ICP, or regulated infrastructure environments.

What You ll Get

• Salary of GBP40,000 GBP50,000
• Uncapped bonus
• Private healthcare and pension
• Hybrid working
• Supportive, collaborative team environment
• Clear development and progression opportunities

If you re looking to build your commercial career in a growing infrastructure business supporting the UK s low‑carbon future, we d love to hear from you. Apply with your CV and a short cover letter explaining your interest in the role.