PFS Group - Fire & Security
Fire Alarm Design Estimator

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Fire Alarm Design Estimator
Location: Office Location Southend-on-Sea, Hybrid, Essex / Kent / London
Job Type: Full-Time
Reports to: Minor Projects Manager
About the Role
Are you a Fire Alarm Design Estimator looking for your next opportunity? We’re looking for a knowledgeable and motivated Fire Alarm Design Estimator to join the PFS Minor Projects team. This is a varied role where you’ll play an important part in taking projects from the initial tender stage through to successful handover.
You’ll combine your technical knowledge of fire detection and alarm systems with your estimating and design experience to develop practical, compliant and cost-effective solutions for our customers.
From reviewing specifications and producing designs, to preparing accurate quotations and supporting our project teams, you’ll be involved throughout the project journey.
A good understanding of BS 5839 Parts 1, 6, 8 and 9, alongside commercial estimating experience, is essential for the role.
What You’ll Be Doing
Your role will include:
- Reviewing tender drawings, specifications and project documentation.
- Preparing detailed and accurate quotations for fire alarm installations, upgrades and maintenance projects.
- Producing design drawings, schematics, cause and effect matrices and equipment schedules.
- Ensuring designs comply with BS 5839, BS 9999, Building Regulations and client-specific requirements.
- Working closely with consultants, clients, architects and contractors to develop compliant and practical solutions.
- Supporting commissioning and project teams with technical design queries.
- Attending pre-tender and site survey meetings where required.
- Providing support to Project Managers throughout project delivery.
- Maintaining accurate estimating and design records.
- Keeping up to date with industry standards, technologies and best practices.
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What We’re Looking For
We’re looking for someone who combines technical knowledge with a practical, customer-focused approach.
Essential Experience & Qualifications
- Experience in fire alarm system design and estimating, with FIA, Zuess, Level 3 or equivalent qualification in fire alarm design to BS 5839.
- Ability to confidently interpret construction drawings and specifications.
- Experience using AutoCAD or similar design software.
- Good understanding of commercial estimating principles.
- Strong numerical and analytical skills.
- Good communication and organisational abilities.
- Experience using Microsoft Office applications.
- Experience using estimating software and CRM systems.
- Knowledge of Gent, Notifier, Siemens, Advanced, C-Tec, Hochiki, Morley, Apollo or similar fire alarm systems.
The Skills That Will Help You Succeed
We’re looking for someone who is:
- Detail-focused and takes pride in producing accurate work.
- Commercially aware and comfortable working with costs and estimates.
- Well organised, with the ability to manage priorities and deadlines.
- Confident working independently while also being a supportive team player.
- Customer-focused, professional and approachable.
- Keen to keep learning and stay up to date with developments within the industry.


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What We Offer
We want our people to have the opportunity to develop and build a long-term career with us. In return for your experience and commitment, we offer:
- Salary, £40K-£45K based on experience.
- Company pension scheme.
- Annual leave 20 Days initially, rising 1 day a year to 25 days, holiday purchase scheme available.
- Training and development opportunities.
- Career progression within a growing business.
- Company laptop, tablet and mobile phone.
Join the Team
This is a great opportunity to become part of a growing team where your technical expertise and experience can make a real difference.
If you’re passionate about fire alarm design, enjoy finding the right solutions for customers and want a role where you can contribute from tender through to project completion, we’d love to hear from you.
We are an equal opportunities employer and welcome applications from all suitably qualified candidates regardless of age, disability, gender, race, religion or sexual orientation.
To Apply:
Please submit your CV and a cover letter outlining your relevant experience and qualifications.
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