Job Description

Root Power:

At Root-Power, we believe Battery Energy Storage Systems (BESS) are key to achieving a flexible, net-zero energy future. BESS unlocks the full potential of renewable sources by storing energy when production is high and redistributing it during peak demand or low renewable output. This ensures a stable, efficient, and clean electricity supply, leveraging green technology to its fullest.

Job Summary:

We are looking for an experienced Battery Energy Storage System (BESS) Senior Project Manager to take the lead in delivering BESS projects through the full project lifecycle from Development to handover to Operations. This role is integral to the successful delivery of our company's ~2GW pipeline of energy storage projects and shall manage individual project sizes ranging from 10MW to 100MW.



As the Project Manager, you will oversee and manage projects across the U.K. to include Planning discharge, FEED (Front-End Engineering Design), through Engineering, Procurement, Construction, Commissioning and Handover. You will be solely accountable for the safe, on-time and on-budget delivery of your allocated projects through effective management of the project team, external contractors, and selected suppliers.



This role offers the chance to work on a diverse portfolio of small to medium-scale projects, providing a dynamic environment that encourages flexibility, adaptability, and innovation. As one of the early team members, the successful candidate will have a unique opportunity to shape the future of Root-Power's energy storage projects and best-in-class project delivery framework.



We're looking for someone who thrives in fast-paced settings, is excited to take on challenges, and can confidently manage multiple projects simultaneously, while playing a key role in delivering impactful renewable energy solutions. If you're passionate about leading the delivery of innovative BESS projects and want to be part of a fast-growing company, with a significant pipeline, we'd love to hear from you.

Role and Responsibilities:

Reporting to the Head of Delivery, as Project Manager you will form part of an expanding team to include line management responsibility for a Project Engineer and as projects enter execution a Construction Project Manager. You will be responsible for taking projects through the FEED and FID, and through Construction, Commissioning and Handover. Primary responsibilities will include:

Project Management:

Take full responsibility for managing the full project lifecycle, including defining scope, setting project objectives, and developing strategies to meet technical, budgetary, and timeline targets in line with the Root-Power delivery framework. Develop detailed project CAPEX budgets covering all stages of the project, from development through commissioning. Prepare monthly financial and cashflow forecasts and cost-to-complete analyses for senior management, ensuring financial transparency and accountability. Report on financial health at each project stage, identifying cost-saving opportunities and strategies to realise. Develop and maintain detailed integrated master schedules in collaboration with internal teams and external partners. Undertake regular periodic assessments and, where required, manage any critical path slippage through instigating recovery plans with external partners. Lead decision-making processes related to project design, engineering, procurement, and construction activities. Resolve any roadblocks that arise, coordinating with the Head of Delivery and project teams to maintain momentum and achieve project targets. Supporting the preparation of investment committee presentation packs at the necessary project stage gate review points to include detailed risk assessment, financial models, key milestones and recommendations. Approve project specific employer requirements and specifications and support Procurement in the review and negotiation of contracts and agreements.

Construction and Commissioning Oversight

Ensure the required resources are assigned and that roles and responsibilities are communicated and understood by the Construction Project Manager, Site Manager and Contractors ensuring the quality, safety, and efficiency of construction work. Act as escalation point for on-site challenges, including logistical, technical, or contractual matters. Conduct regular site visits to perform site inspections and audits

Risk and Compliance Management

Develop and maintain a comprehensive risk management plan that identifies project risks across design, consents, grid integration, construction and commissioning. Implement contingency plans to mitigate potential impacts on project scope, budget, and timeline. Ensure that all project activities comply with health, safety, and environmental regulations including fulfilment of all CDM duty holder responsibilities. Collaborate with EHS and the Construction Project Manager to monitor and enforce strict safety protocols, with a focus on achieving a zero-harm environment. Ensure project compliance with grid code requirements, ICP and iDNO standards, and other relevant regulations. Lead efforts to meet regulatory standards and prepare for audits and inspections as required.

Stakeholder Management and Communication:

Act as the main point of contact for internal and external stakeholders, including DNO representatives, regulatory bodies, contractors, and local authorities. Ensuring open, transparent communication to foster trust and cooperation. Prepare and deliver regular project updates to senior management, highlighting key progress, risk factors, and financial status. Produce high-quality reports for executive and board-level review to facilitate strategic oversight. Build and maintain relationships that support the smooth execution of the project and adherence to regulatory and our ESG commitments

.

Team Development and Supervision

Act as line manager providing support, guidance, and mentorship to the Construction Project Manager and Project Engineer, ensuring they understand project objectives, timelines, and deliverables. Conduct regular check-ins and provide constructive feedback to support their development. Work closely with cross-functional teams, including engineering, finance, procurement, and EHS, to ensure resource continuity and aligned project objectives Promote an open, collaborative environment within the project team, encouraging knowledge sharing, best practice adoption, and innovation. Lead by example and drive a culture of accountability, quality, and continuous improvement.

Required Skills and Experience:

Must be able to demonstrate safety leadership and understanding of CDM responsibilities Must be experienced in leading development and delivery phases of BESS projects over 20MW and managing CAPEX budgets of >10m. Must have a strong understanding of BESS components, grid integration, and electrical systems, particularly for ICP and DNO interface projects Must be proficient in the use and application of project management methodologies and tools Must be familiar with FEED processes and their impact on project success Must be familiar with multi-contract approach with experience effectively administering contracts Must have strong interpersonal skills for effective coordination with contractors and consultants, fostering a collaborative working environment Should have direct line management experience beyond directly assign project team Should have experience with taking projects through FID and presenting to investment committees. Could have knowledge of advanced BESS applications like frequency response, black start, peak shaving, and grid stability. Could have familiarity with standards and regulations and/or delivery of projects in other European markets

Minimum Qualification:

Bachelor's degree in electrical engineering, Power Systems Engineering or equivalent experience 4 years+ of experience solely responsible for managing large-scale projects in renewable energy or utility-scale power, with at least 2 years in BESS projects Project Management qualification i.e., APMP, PMP Safety Qualification - NEBOSH or IOSH Managing Safely CSCS card holder or equivalent site safety scheme

Benefits

We value our employees and encourage a work life balance for everyone. We are keen to make sure that our employees are supported in both their work and personal life and our benefits reflect this.

Annual Company Performance related bonus scheme

Pension (5.5% employer, 3.5% employee contributions)

Death in service 4x salary

Subsidised Private Health Scheme

Subsidised Health cash Scheme

25 days holiday plus bank holidays

Extra annual leave option to buy or sell up to 5 days

2 extra days holiday after 3 years service

Birthday leave

Company Sick Pay

Company Maternity, Paternity and Adoption pay

Discounts scheme

Refer a friend

EAP (Employee Assistance Programme)

Mental Health First Aiders

Charity Work Day

Social Committee for Company Events