Estimator – Tunnels

Overview
RFI is a global technology solutions company specialising in wireless coverage and solar power.
We design, manufacture, and distribute world-class, high-performance products including antenna systems, rebroadcast and monitoring equipment, power systems, and cabling solutions.
Recognised as a market leader in RF technology, we pride ourselves on delivering exceptional technical support and innovative solutions.
We are currently seeking an experienced Estimator with expertise in RF infrastructure and tunnel/construction projects to join our growing team based at our Seven Hills, NSW office.
Estimator – Tunnels / Construction— Based in Seven Hills, NSW
This Estimator – Tunnels / Construction will be responsible for preparing detailed cost estimates for the design, installation, and commissioning of Radio Rebroadcast (RRB), Mobile Phone Systems (MPS), and GNSS systems within motor and rail tunnels.
This includes leaky feeder cable, antennas, coaxial cables, and other related RF equipment.
This role will work closely with project managers, engineers, subcontractors, and senior management to ensure accurate costing for major RF rail and road infrastructure projects, with a focus on compliance with industry standards and delivering value to our clients.
Key Responsibilities
Plan Interpretation– Analyse and interpret tunnel plans, RF design specifications, and relevant documentation to identify all necessary components and associated costs.
Design & Installation Costing– Estimate costs for labour, materials, equipment, and installation expenses for both deployment and commissioning stages.
Material Requirements– Accurately determine quantities and specifications for required materials.
Labour Costing– Calculate labour hours required for installation, testing, and commissioning, factoring in conditions, complexity, and potential delays.
Subcontractor Management– Obtain, review, and negotiate quotes with subcontractors for specialised works.
Risk Assessment– Identify and evaluate potential cost risks, including material delays, access limitations, labour rate increases, and technical challenges.
Cost Control– Monitor actual project costs against initial estimates, highlight variances, and recommend cost-saving measures.
Tender Documentation– Prepare and submit accurate tender documentation for review by management and the business development team.
Stakeholder Communication– Maintain effective communication with clients, suppliers, subcontractors, and internal teams.
Industry Knowledge– Stay up to date with RF technologies, construction estimating best practices, and relevant industry standards.
Qualifications & Experience
Proven experience in construction estimating, ideally within RF, tunnel, or linear infrastructure projects.
Strong knowledge of RF principles, antenna systems, cabling types, and related technologies.
Ability to read and interpret complex engineering drawings and technical specifications.
Experience preparing estimates for large-scale infrastructure projects.
Proficiency with estimating software and relevant tools.
Relevant tertiary qualifications in engineering, construction, or a related field.
Additional Skills
Excellent mathematical, analytical, and problem-solving skills.
Strong communication and negotiation abilities.
Ability to work effectively in a team environment.
High attention to detail and accuracy.
Organised, with strong time management skills to meet project deadlines.
What We Offer
At RFI, we offer more than just a job – we offer a career.
By joining our team, you'll be a part of a dynamic, passionate, and innovative environment where your contributions matter.
We value diversity, inclusion, and personal growth, providing you with the opportunity to make a meaningful difference while developing your career in an exciting, fast-paced industry.
Work in a supportive, dynamic, and diverse team environment.
Access to employee benefits such as a wellbeing program, birthday leave, and additional days off each year.
A chance to grow your career in a company that values continuous improvement.
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