Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

MARIO SERGIO JUNIOR

Dee Why

Summary

Experienced Construction Estimator with 6+ years in estimating and project support, including 2+ years local Australian experience in aluminium windows and doors. Skilled in preparing accurate cost estimates, analysing drawings, developing tenders, and assessing labour, material, hardware and equipment requirements. Proficient in Logikal, Procore, Buildtrend, and MS Excel. Adept at collaborating with clients, engineers, subcontractors, and project managers to ensure compliance with Section J, BASIX, NatHERS, Fire and Acoustic reports, and Australian Standards. Strong background in health and safety with over 12 years’ experience in OHS advisory roles across major infrastructure and industrial projects.

Overview

19
19
years of professional experience
1
1
Certification

Work History

Estimator – Aluminium Windows & Doors

Bespoke Aluminium Fabrictor
09.2021 - Current
  • Prepare accurate cost estimates by analysing drawings and project specifications.
  • Develop tenders and assess labour, material, hardware and equipment needs for projects.
  • Ensure compliance with engineer reports (Fire, Acoustics, Section J, BASIX, NatHERS).
  • Collaborate with clients, engineers, subcontractors, and project managers to ensure budget control and cost savings.
  • Conduct showroom presentations and support sales activities with residential and commercial clients.
  • Monitor risks, assess financial feasibility and maintain competitive pricing strategies.
  • Prepared material orders to complete projects on time and within budget.

Aluminium Windows Installer

Evoke Installations
09.2020 - 09.2022

Aluminium Windows & Doors Installer
Evoke Installations – Sydney, NSW | Sep 2020 – Sep 2022

  • Specialised in fitting, repairing, and replacing residential and commercial window and door systems in compliance with NSW building codes and Australian glazing standards.
  • Interpreted technical drawings and specifications, carried out accurate measurements, and prepared frames for secure, weatherproof installations.
  • Collaborated with builders, contractors, and clients to deliver high-quality outcomes and resolve on-site issues such as leaks, misalignments, or hardware faults.
  • Prepared job sites, worked safely at heights, and ensured compliance with OHS requirements.
  • Applied technical skills in carpentry, glazing, sealing, insulation, and finishing techniques using hand and power tools.
  • Experienced with scaffolding and elevated work platforms, maintaining efficiency, accuracy, and safety on every project.
  • Demonstrated strong problem-solving, time management, and communication skills, working effectively both independently and within a construction team.


Occupational Health & Safety Advisor

Deliveroo Australia
01.2019 - 01.2020
  • Created safe work environments by complying with safety, health and security requirements.
  • Developed and implemented hygiene and monitoring programs (atmospheric, noise, etc.).
  • Investigated incidents and recommended preventive measures to reduce hazards.
  • Delivered training and enforced safety procedures across large project teams.
  • Experience with auditing, compliance inspections and ISO standards (9001, 14001, 45001).

Occupational Health & Safety Advisor

QUALISEGMA Solutions
01.2007 - 01.2019
  • Created safe work environments by complying with safety, health and security requirements.
  • Developed and implemented hygiene and monitoring programs (atmospheric, noise, etc.).
  • Investigated incidents and recommended preventive measures to reduce hazards.
  • Delivered training and enforced safety procedures across large project teams.
  • Experience with auditing, compliance inspections and ISO standards (9001, 14001, 45001).

Education

Diploma of Leadership & Management -

APC College
01.2022

Project Management - undefined

APC College
01.2021

Diploma of Occupational Health & Safety - undefined

01.2007

Skills

  • Cost estimation & tender preparation
  • Reading & interpreting technical drawings
  • Proficient in Logikal, Procore, Buildtrend & MS Excel
  • Knowledge of Section J, BASIX, NatHERS, Fire & Acoustic compliance
  • Strong numerical and analytical skills
  • Stakeholder communication & negotiation
  • Sales & client relationship management
  • Construction methods & building codes
  • Risk management & budget control
  • Attention to detail & meeting deadlines

Certification

  • Work Safely in the Construction Industry – White Card
  • Full Driver License (NSW), Forklift License

Languages

English Advanced (IELTS band 7)
Portuguese (Native)
Spanish (Conversational)

Timeline

Estimator – Aluminium Windows & Doors

Bespoke Aluminium Fabrictor
09.2021 - Current

Aluminium Windows Installer

Evoke Installations
09.2020 - 09.2022

Occupational Health & Safety Advisor

Deliveroo Australia
01.2019 - 01.2020

Occupational Health & Safety Advisor

QUALISEGMA Solutions
01.2007 - 01.2019

Project Management - undefined

APC College

Diploma of Occupational Health & Safety - undefined

Diploma of Leadership & Management -

APC College
MARIO SERGIO JUNIOR