Project Services | Specialist Estimator – Mining & Resources

Location: Perth, WA

Employer: NES Fircroft – On behalf of a leading Tier 1 mining operator

Work Type: Contract | Competitive Rates | Flexible Work Arrangements

Are you a seasoned Estimator ready to influence major capital and operational projects from concept to completion?

NES Fircroft is seeking a Specialist Estimator to join our client’s Project Services Team in Perth. This role offers the chance to work on some of Australia’s most significant mining and resource projects, supporting multi-discipline teams across the project lifecycle.

Key Responsibilities:

Review and occasionally deliver capital and operating cost estimates across all stages of the project lifecycle.

Analyse engineering deliverables, scope of work, project schedules, execution plans, contractor submissions, and market intelligence to build and review detailed estimates.

Coordinate and consolidate cost estimates with accountability for final deliverables for Technical Evaluations and Stage Gates.

Provide guidance to internal teams and external consultants to ensure estimates align with company standards and AACE Class definitions.

Challenge assumptions respectfully and investigate cost variations or potential savings.

Assist in tender evaluation, contractual claim reviews, and supplementary cost assessments.

Maintain and evolve the internal cost database for benchmarking and future reference.

Present cost estimates and variance insights to leadership, PAC, and capital review teams.

Capabilities & Skills Required:

8+ years’ experience in project cost estimation within mining, oil & gas, or major infrastructure projects.

Proven ability to develop Basis of Estimates, outlining all key assumptions, exclusions, and methodologies.

Solid understanding of project management processes, construction methods, risk management, and contract frameworks.

Experience collaborating across Engineering, Procurement, Finance, and PMO functions.

Exceptional written and verbal communication skills to influence stakeholders and lead conversations around estimate accuracy and risk.

Proficiency in cost estimating software and Microsoft Excel; exposure to estimating databases and ERP systems highly desirable.

Knowledge of AACE International classification standards (Class 1–5 estimates).

Key Interfaces:

Internal: Procurement, Finance, Controllership, Business Analysis, Project Engineering, Development & Technology Teams

External: Engineering & construction partners, estimating consultants, study & delivery teams

Success in This Role Means:

Delivering reliable, class-appropriate estimates to support decision-making at Stage Gates and PAC submissions

Enabling project teams to stay on budget through accurate forecasting and lessons learned

Championing continuous improvement in estimation tools, accuracy, and process maturity

How to Apply:

Send your resume and a brief cover email to Konrad Poprawa at [email protected]

Alternatively, click “Apply Now” to be considered immediately. Please note all candidates must have full Australian working rights.

About NES Fircroft

NES Fircroft is a global workforce solutions specialist providing technical and engineering talent across the mining, energy, infrastructure, oil & gas, and renewables sectors. With 90+ offices around the world, we support leading clients and offer rewarding opportunities for professionals at all stages of their careers.