Administrator

Full-time Permanent Entry Level

Posted 14 Sep 2026

Description

Sigma are experts at transforming commercial space. With over 20 years’ experience operating in the fast-paced and dynamic retail sector, Sigma provide a true end-to-end service; from store construction and consolidation to fixture procurement, projects, and mechanical & electrical installation.

Ranked in the top 10% of the 2019 Sunday Times International FastTrack 200 awards, we’ve been acknowledged as being one of Britain’s fastest growing private companies.

It’s our people that make us who we are, and we are proud to have some of the most experienced, knowledgeable, passionate, and dedicated individuals within our industry, at every level in our business. Sigma is committed to creating a diverse environment and is proud to be an equal opportunities employer. our business.

Outline of role

We are looking for a highly organised and detail-oriented Take-Off Administrator to join our growing team.

Reporting to the Take-Off Team Leader, you will play a key role in supporting the take-off function by ensuring project information, quantities and documentation are accurately processed and maintained. Working closely with the Team Leader, estimators, project teams and suppliers, you will help ensure that take-offs are completed accurately and within agreed timescales.

You will be responsible for maintaining project data, supporting the preparation and management of take-off information, liaising with internal and external stakeholders, and helping to ensure the smooth delivery of projects from enquiry through to completion.

This role requires excellent attention to detail, strong organisational skills and the ability to build positive working relationships while managing multiple priorities in a fast-paced environment.

Main responsibilities

• Build and maintain excellent working relationships with customers, suppliers and internal stakeholders.
• Support the preparation, administration and management of take-off information for projects.
• Monitor the progress of take-off activities and provide updates to relevant stakeholders.
• Update and maintain accurate records and project data on bespoke systems and databases.
• Assist with the processing and validation of project quantities and documentation.
• Support meetings and calls with clients, suppliers and internal teams.
• Work closely with estimating, commercial and operational teams to support successful project delivery.
• Identify and elevate any discrepancies, data issues or project concerns.
• Produce reports and provide administrative support for the Take-Off Team as required.

Knowledge and experience required

• Experience using Microsoft Office applications, including Excel, Outlook and Teams.
• Strong data input and administration experience.
• Experience supporting a diverse range of customers and stakeholders.
• Previous administrative experience within a similar environment is desirable.
• Ability to effectively manage and prioritise your own workload.

Skills required

• Hardworking, reliable and approachable.
• Excellent organisational and time management skills.
• Strong communication skills with the ability to build rapport both internally and externally.
• Ability to prioritise workloads against changing requirements and deadlines.
• Exceptional attention to detail and a commitment to accuracy.
• Ability to follow processes while proactively identifying opportunities for improvement.
• Confident working independently and as part of a team.
• Strong problem-solving and analytical skills.

Qualifications

• GCSE Maths and English (Grade C/4 or above)
• A day’s ‘birthday leave’ to be taken within your birthday month
• Opportunity to buy or sell up to 3 days holiday*
• Opportunity for hybrid working*
• Ability to participate in the Octopus EV salary sacrifice scheme*
• Ability to participate in the Cycle to Work Scheme*
• Employee Assistance Programme
• Healthshield cash plan with discounts on high street stores
• Free external financial advice – offering support for mortgages, pensions and insurances
• Enhanced family friendly pay*
• Free tea, coffee and fruit on all sites

*Subject to eligibility

Opportunity to be involved with

• Quarterly Corporate Events/Charity Involvement

Sigma is committed to providing colleagues with opportunities to progress their career, supported by a range of training and development activities and interventions’

Company Overview

Established more than two decades ago, Sigma Group has delivered thousands of new and refurbished spaces for major brands, both domestic and international. Today, we support full, multi-site transformations with in-house capability, thanks to our expert-led teams servicing the UK and beyond.