Investment Manager

Transmission Investment LLP; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

Transmission Investment is seeking a full-time Investment Manager for its Origination team in London. The successful candidate will manage investment and financing cases, coordinate due diligence, and engage with key external stakeholders. This role offers significant exposure across multiple electricity infrastructure sectors, ideal for those with a proven background in investment management.

Benefits

Employee training and development programs

Flexible working policy

Qualifications

• At least five years of relevant experience with an infrastructure equity investor or financial advisor.
• Proven experience in structuring and executing debt and equity financings.
• Significant experience in leading or reviewing financial models.

Responsibilities

• Manage the development of investment and financing cases.
• Oversee due diligence processes across financial and technical workstreams.
• Lead commercial negotiations on key transaction documents.

Skills

Financial Modelling

Stakeholder Management

Commercial Acumen

Analytical Skills

Education

Degree in Finance, Economics, Engineering or related field

Job description

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Role Summary:

Due to the continuous growth of our business, Transmission Investment is looking to recruit a full-time Investment Manager to join the Origination team responsible for driving Transmission Investment’s origination efforts across multiple electricity infrastructure sectors including OFTOs (brownfield offshore wind transmission assets), CATOs (onshore transmission projects under a competitive regime), interconnectors, grid stability assets (such as synchronous compensators), and any emerging investment sectors (the “Target Sectors”). The Investment Manager will manage the development of investment cases, coordinate and structure financing processes, and assist in the associated commercial negotiations that underpin equity investment and project financing across the Target Sectors.

As a mid-level team member, the role will involve close engagement with internal technical, commercial, finance, delivery and operations teams as well as external stakeholders including lenders, advisors, investors, and consortium partners. The Investment Manager will also play a key role in preparing internal governance documentation, leading investment committee papers, and overseeing financial modelling activities. This role offers exposure to the full investment lifecycle, from early-stage bid strategy through to financial close and operational handover.

The role will be based in the City of London with only occasional travel within the UK necessary. Transmission Investment also has a flexible working policy.

The role will report to a Senior Investment Manager within the Origination team.

About Transmission Investment:

Founded in 2011, Transmission Investment manages one of the largest offshore electricity transmission portfolios globally, connecting over 4,000MW of offshore wind from eleven GB wind farms and a grid stability synchronous compensator at Blackhillock, Scotland. It is also developing the 700MW interconnector (LirIC) between Northern Ireland and Scotland, a 1250MW interconnector to France and preparing to participate in the tender processes for onshore transmission projects as the company continues to build a significant portfolio of power assets. In 2025, Transmission Investment was acquired by TAQA, one of the largest listed integrated utility companies in Europe, the Middle East and Africa (ADX: TAQA), as part of its international growth strategy while contributing to the UK’s 2050 Net Zero programme and TAQA’s wider sustainability ambitions.

Our team now numbers 50+ professionals with deep experience in development, engineering, commercial strategy, project finance, asset management and regulation. We combine technical excellence with a pragmatic, delivery-focused mindset — all within a friendly, collaborative culture.

Why Join Us:

At Transmission Investment, we pride ourselves on our positive and friendly culture, fostering a can-do attitude and dedication throughout the team. Employee wellbeing is at the heart of our business, and we offer numerous benefits to support and development our people. We invest continuously in employee training and development and are rated ‘Silver’ by Investor in People.

Join our team and be part of a company that values your growth and wellbeing!

_________________________________________________________________________________

Responsibilities:

Responsibilities will include, but are not limited to:

• Manage the development of investment and financing cases, including structuring debt and equity funding solutions, producing robust financial analysis, and preparing internal and external materials to support investment decisions across the Target Sectors.
• Oversee and coordinate due diligence processes across financial, tax, technical, legal, model audit, and commercial workstreams, ensuring comprehensive evaluation of risks and opportunities.
• Manage relationships with external stakeholders, including lenders, investors, financial advisors, legal counsel, technical consultants, and consortium partners, ensuring alignment and coordination across all investment workstreams.
• Lead in commercial negotiations on key transaction documents, including financing agreements, shareholder agreements, and other related contractual arrangements.
• Direct and review financial modelling activities, ensuring alignment with commercial strategies, technical assumptions, and financing structures across bids and investments.
• Contribute to the development of bid strategies and consortium structures for opportunities in the Target Sectors, providing investment and financing insights to shape competitive and deliverable proposals.
• Lead in the preparation of internal investment committee papers and other governance materials, managing the approval process for investment decisions and financing structures.
• Mentor and oversee junior colleagues, including the Investment Analyst, providing guidance on financial modelling, transaction processes, and investment strategy.
• Drive continuous improvement in investment processes, models, and tools, embedding best practices in structuring, valuation, risk management, and decision-making across the investment team.

Must exemplify our Company Core Values:

• We are EXCELLENT at what we do
• We are COMMITTED and ensure we deliver
• We are CHALLENGING of the status quo
• We are SUPPORTIVE of each other

Work Experience, Education & Qualifications:

• At least five years’ of relevant experience with an infrastructure equity investor / lead sponsor, financial advisor, investment fund, developer or transmission operator
• Proven experience in structuring and executing debt and equity financings, including involvement in commercial negotiations with lenders, investors, and consortium partners
• Significant experience in leading or reviewing financial models to support project financings and investment decisions, including running sensitivities and assessing risk scenarios
• Demonstrable track record in preparing and presenting investment committee papers, financing proposals, or similar governance materials
• Enthusiasm to learn, work and continuously develop
• Qualified to Degree level or equivalent experience preferred
• Although not essential, the following would be beneficial:
• Knowledge of the electricity transmission/distribution sector and associated regulation11
• Knowledge of energy market fundamentals including drivers of wholesale electricity prices and the changing technology mix
• Economics, finance, engineering or legal background

Skills & Attributes:

• Strong commercial acumen and investment judgement, with a proven ability to assess risks, identify value drivers, and shape financing strategies
• Advanced financial modelling and analytical skills, including the ability to review, challenge, and improve complex infrastructure models
• Excellent communication and stakeholder management skills, able to influence, negotiate and build relationships with internal teams and external advisors at all levels.
• Proactive leadership and mentoring skills, with the ability to guide junior team members and contribute to team development and culture
• Highly organised and able to manage multiple complex workstreams, ensuring delivery of high-quality outputs within tight deadlines
• Collaborative and adaptable, comfortable working across cross-functional teams
• Resilient and self-motivated, able to operate effectively in a fast-paced, evolving environment

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Finance

• Industries

  Renewable Energy Semiconductor Manufacturing

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