Job Vacancy: Estimating Administrator

Job Title: Estimating Administrator

Department: Estimating

Reports to: Estimating Manager

Location: Cardiff

Contract: Part-time

Hours of work: Monday – Friday, 9:00 am to 3:00 pm

Salary: To be confirmed

THE COMPANY

CMB Engineering is one of the UK's largest independent Building Services Contractors in England and Wales. At CMB Engineering, personality and drive are key characteristics for a high performing team member. The business was formed in 1992 and since CMB began it has established itself as a ‘no grief’ partner to national blue chip construction firms.

Whilst experience and detailed knowledge are desirable, we also have a strong reputation for developing people. We remain a family business with family values and offer a working environment that supports hard work and encourages an enjoyable working environment.

THE JOB

As our Business continues to grow, we are looking for an Estimating Administrator to join an established Estimating Team.

As Estimating Administrator, you will be responsible for providing support to our Estimating & Pre-Construction Department in all aspects of tender and bid submissions.

The position plays a crucial role in ensuring our projects tenders are budgeted effectively and completed within the established financial parameters and tight deadlines.

This is a Part Time Role, with hours of 9:00am to 3:00pm Monday to Friday. Hours can be negotiated, depending on the right individual.

If this seems like something that would interest you, please get in touch.

DUTIES & RESPONSIBILITIES

• Issue tender enquiries to sub-contractors using the correct process.

• Collate quotations to ensure that they are received by the stipulated deadline.

• Distribute returned quotes to the appropriate Estimator.

• Check tender documents and create a document / drawing register.

• Printing documents and drawings as required.

• Logging all new tender enquiries.

• Organizing and digitally filing all relative tender documentation.

• Assist with producing tender presentation documents for submission to clients.

• Any other administrative duties the Company may reasonably request.

WHAT WE ARE LOOKING FOR

• Good knowledge of Microsoft Software (Word, Excel, Outlook, SharePoint)

• Strong understanding of mechanical and electrical systems, regulations, and industry standards.

• Effective communicator with the ability to build productive relationships at all levels.

• Friendly positive attitude and ability to work with other members of the team.

• Full UK driving license.

• Motivated individual that can work as part of a team and to their own initiative.

• Ability to be proactive with tasks and duties

• Ability to work under pressure and manage multiple projects simultaneously.

• Committed to following procedures and ensuring tasks are fully completed.

• Strong analytical skills, accuracy and attention to detail

• Ability to use own initiative within the parameters of the role.

BENEFITS (subject to a successful completion of probationary period)  

• Competitive salary and benefits package

• Private Healthcare

• Opportunities for professional development and career growth

• Company Pension Scheme

If you are interested in applying for this role, please send a copy of your CV to Sean Jones via email to careers@cmbeng.co.uk  

Closing Date for CV’s: Friday 26^th June 2026 at 5:00pm

Date for Interviews: W/C Monday 29^th June 2026

Please Note: Due to the overwhelming number of applications we receive, we may only contact candidates who have been shortlisted for an interview.

We reserve the right to close this vacancy early if the demand in applications become high.

We do not require assistance from recruitment agencies.

CMB Engineering is an Equal Opportunities Employer.