Apprentice Administrator (Estimating & Office Support)

RDM Electrical Services Limited; Swansea; On-site; GBP 12,000 - 15,000; Full time

Benefits offered by this job

Competitive salary

25 days annual leave + 8 bank holidays

Company pension

Full Level 3 Business AdministrationAp

Comprehensive training and development

Long‑term career progression

Supportive and friendly environment

Job summary

RDM Electrical & Mechanical Services in Swansea, Wales, is offering a full-time permanent Level 3 Business Administration Apprenticeship. No prior experience required; you will be trained alongside our estimating team and Office Manager to support administration across electrical and mechanical building services projects.

This paid apprenticeship develops administrative, organisational and IT skills, with one day per week at a college or training provider, and opportunities for long-term career

Qualifications

• No prior experience required; full training provided.
• Level 3 Business Administration Apprenticeship training.
• GCSEs in English/Maths/IT/Science required.

Responsibilities

• Monitor enquiries inbox and log new enquiries.
• Maintain estimating register and project documentation.
• Assist with tender documents, RFIs and PQQs, and coordinate with suppliers/subcontractors.
• Support the estimating team with quantities take-offs and setting up projects in estimating software.
• Produce schedules and reports; assist with research on building services products.

Skills

Communication

Telephone manners

Written communication

Organisational skills

Teamwork

Proactivity

Confidentiality

MS 365

Willingness to learn

Education

GCSE English/Maths/IT/Science

Tools

Microsoft 365 Suite (Word, Excel, Outlook, Teams & SharePoint)

Job description

Swansea, South Wales

Full-time, Permanent

[e-mail]

Working alongside our experienced estimating team and Office Manager, you will play an important role in supporting the administration of a wide range of electrical and mechanical building services projects. No previous experience is required as full training will be provided, alongside support to achieve yourLevel 3 Business Administration Apprenticeship.

This paid apprenticeship is ideal for someone who is eager to learn, enjoys working in a fast-paced office environment and wants to develop valuable administrative, organisational and IT skills.

Responsibilities

• Monitoring and managing the enquiries inbox.
• Logging new enquiries and maintaining the estimating register.
• Filing project documentation and updating document trackers.
• Managing incoming and outgoing tender documentation.
• Controlling document revisions and maintaining accurate filing systems.
• Liaising with the estimating team to support project delivery.
• Coordinating enquiries with suppliers and subcontractors, including issuing and following up information requests.
• Tracking project information including programme dates, tender durations and tender returns.
• Assisting with the preparation of tender proposals, Requests for Information (RFIs) and other project documentation.
• Supporting the estimating team with quantity take-offs.
• Setting up projects within estimating software.
• Printing and preparing project documentation.
• Producing schedules and reports.
• Assisting with research into building services products and systems.
• Supporting the completion of Pre-Qualification Questionnaires (PQQs).
• Working closely with other departments to ensure effective communication and coordination.
• Assisting the Office Manager and Document Controller with day-to-day administrative duties.
• Attending college or a training provider (typically one day per week) to complete the Level 3 Business Administration Apprenticeship.

Requirements

• Excellent communication and interpersonal skills.
• A friendly and professional telephone manner.
• Strong written communication and attention to detail.
• Good organisational skills with the ability to prioritise work and meet deadlines.
• The ability to work both independently and as part of a team.
• A proactive attitude and willingness to learn.
• High levels of confidentiality and professionalism.
• Good IT skills, including Microsoft 365 applications such as Word, Excel, Outlook, Teams and SharePoint.
• Confidence using computers and the ability to learn new software systems.
• A positive attitude, enthusiasm and a strong work ethic.
• An interest in learning about building services engineering and renewable technologies.

Qualifications

• GCSEs (or equivalent) in core subject – English/Maths/IT/Science.

Experience

No previous experience is required. Full training and ongoing support will be provided.

Training & Development

At RDM, we are committed to developing our people. Throughout your apprenticeship you will receive structured training, ongoing mentoring and opportunities to build your knowledge and skills. We actively encourage continuous professional development and support long‑term career progression within the business.

Benefits

• Competitive salary
• 25 days annual leave plus 8 bank holidays
• Company pension
• Full Level 3 Business Administration Apprenticeship
• Comprehensive training and development programme
• Long‑term career progression opportunities
• Supportive and friendly working environment

About Us

RDM Electrical & Mechanical Services was established in 1988 and is part of the Raven Delta Group, alongside EFT Consult and DRS FM Services. Together we provide complete electrical, mechanical and building services solutions from design through to maintenance.

Our projects range from the refurbishment of Grade I listed buildings to multi‑million‑pound design and build developments, including work within specialist and defence environments. Our success is built on the expertise and dedication of our people, and we are proud to employ over 200 professionals who share our commitment to delivering exceptional results.

Additional Information

Please note that, due to the nature of some of our projects within the defence sector, the successful applicant may be required to undergo security vetting.

This role provides an excellent foundation for anyone looking to build a long‑term career in administration, project support or office management. You’ll gain practical experience, achieve a recognised qualification and develop valuable skills within a supportive and professional team, with genuine opportunities for future career progression.

Work Location: In person