Administrative Assistant M/F

Voltalia; United Kingdom; Remote; GBP 26,000 - 32,000; Full time

Job summary

Renvolt, the EPC arm of Voltalia, is seeking an Administrative Assistant to support the UK construction team. You will handle project administration, records, purchasing workflows, meetings, and daily coordination.

The role requires 3+ years in admin or project support, English fluency, MS Office proficiency, and the ability to manage multiple priorities with confidentiality. A full UK driving licence and occasional travel may be required; ERP experience (IFS, SAP) is a plus, with a focus on

Qualifications

• 3+ years in an administrative, project support or site administration role.
• Experience in EPC, infrastructure or renewable energy projects is a plus.
• Proficiency with MS Office tools and record-keeping basics.
• Experience with ERP/procurement systems is desirable (IFS, SAP).
• Professional written and verbal English communication.

Responsibilities

• Provide administrative and organizational support to the Regional EPC Manager, EPC Portfolio Manager, and UK project teams.
• Manage diaries, schedule meetings, workshops and project reviews, prepare agendas, record minutes, and follow up on action items.
• Maintain project filing systems and ensure accurate storage of project documentation, contracts, correspondence, permits, reports, and records.
• Raise purchase requisitions/orders, track receipts, support invoice matching, payment queries, and coordinate with Finance and Procurement.
• Maintain trackers for purchase orders, invoices, project costs, commitments, deliveries, and project actions.
• Coordinate travel, accommodation, site visits, meeting facilities, deliveries, couriers, and other project logistics.
• Support site setup and closeout activities, including offices, utilities, IT equipment, vehicles, consumables, and inventory management.
• Assist EPC team onboarding/offboarding, access management, equipment allocation, timesheets, attendance records, and general workforce administration.
• Coordinate and maintain supplier and subcontractor documentation, including insurance, HSE, training, and compliance records.
• Support monthly project and financial closing activities by ensuring all administrative, cost, invoice, and accrual documentation is complete and available.
• Act as the first point of contact for routine administrative queries from project personnel, suppliers, and visitors, escalating issues when required.
• Drive administrative process improvements, standardize trackers and filing practices, and provide additional support during periods of high project activity.

Skills

Organised

Attention to detail

MS Office

English fluency

Stakeholder management

Independent worker

Education

BA/BS in Business Administration or related field

Tools

IFS

SAP

Job description

Born from the expertise of teams who have led EPC and O&M services at Voltalia since 2005, Renvolt delivers high-performance service solutions to accelerate the global energy transition. We specialize in solar and storage, operating as a trusted global provider with a strong international track record.

With local teams in 14 countries, more than 400 employees worldwide, and 24/7 support, we partner with clients across all regions to ensure success. Renvolt is supported by a strong investment group that provides long-term stability and reinforces our commitment to sustainable growth.

Our portfolio includes 5.6 GW built and under construction, and 1.9 GW already in operation, demonstrating our capability and reliability in delivering large-scale renewable projects.

We prioritize long-term partnerships grounded in transparency, quality, reliability, ethics, and integrity. Join us and be part of a company driving sustainable energy forward.

At Renvolt, we welcome individuals from all backgrounds, whatever your race, ethnicity, gender, nationality, age, disability, sexual orientation, and experience. In our company, diversity drives innovation and contributes to a workplace where everyone can thrive. Ready to make an impact? Bring your energy—let's power a sustainable future together!

Renvolt is a subsidiary of Voltalia Group.

Our Engineering, Procurement & Construction (EPC) business line is looking for an Administrative Assistant to support the members of the construction team for their various project managementtasks.

The EPC Administrative Assistant provides administrative, logistical and project support to the UK EPC team ensuring that project administration, records, purchasing workflows, meetings, logistics and day-to-day coordination are handled accurately and on time. The Administrative Assistant acts as an enabler for the project team and is expected to work proactively, maintain confidentiality and help establish consistent administrative processes across the UK portfolio.

• Provide administrative and organizational support to the Regional EPC Manager, EPC Portfolio Manager, and UK project teams.
• Manage diaries, schedule meetings, workshops and project reviews, prepare agendas, record minutes, and follow up on action items.
• Maintain project filing systems and ensure accurate storage of project documentation, contracts, correspondence, permits, reports, and records.
• Raise purchase requisitions/orders, track receipts, support invoice matching, payment queries, and coordinate with Finance and Procurement.
• Maintain trackers for purchase orders, invoices, project costs, commitments, deliveries, and project actions.
• Coordinate travel, accommodation, site visits, meeting facilities, deliveries, couriers, and other project logistics.
• Support site setup and closeout activities, including offices, utilities, IT equipment, vehicles, consumables, and inventory management.
• Assist EPC team onboarding/offboarding, access management, equipment allocation, timesheets, attendance records, and general workforce administration.
• Coordinate and maintain supplier and subcontractor documentation, including insurance, HSE, training, and compliance records.
• Support monthly project and financial closing activities by ensuring all administrative, cost, invoice, and accrual documentation is complete and available.
• Act as the first point of contact for routine administrative queries from project personnel, suppliers, and visitors, escalating issues when required.
• Drive administrative process improvements, standardize trackers and filing practices, and provide additional support during periods of high project activity.

QUALIFICATIONS & EXPERIENCES

Vocational qualification, diploma or degree in Business Administration, Office Management, Project Administration or a related field is preferred (equivalent relevant experience will also be considered).

Minimum 3 years of experience in an administrative, project support or site administration role (experience in EPC, infrastructure or renewable energy projects is a plus).

Good understanding of project administration, purchasing workflows, invoice processing, records management and basic cost tracking.

Experience with ERP/procurement systems is desirable (IFS, SAP or equivalent experience is aplus).

Proficiency in Microsoft Office Tools.

Ability to prepare clear meeting minutes, trackers, reports and professional written correspondence.

Professional fluency in English, both written and spoken.

Full UK driving licence andoccasional travel availability may be required, although this is expected to be infrequent.

KEY SKILLS

• Highly organised and capable of managing multiple priorities in a fast-paced environment.
• Strong attention to detail and commitment to delivering high-quality work.
• Proactive, resourceful, and solution-oriented, with the ability to work independently.
• Excellent communication and stakeholder management skills.
• Professional, discreet, and trusted to handle confidential information.
• Adaptable, resilient, and able to perform under pressure when required.
• Collaborative and service-oriented, with a strong sense of accountability and ownership.

REFERENCE
2026-2852

LOCATION
United Kingdom, London

BUSINESS LINE
RVT - EPC Support & Management

CONTRACT TYPE
Permanent Contract

STARTING DATE
Dec-26

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