Summary
Overview
Work History
Education
Skills
Projects
Certification
Websites
Timeline
Generic

Trevor Shellenberg

Bozeman,MT

Summary

Versatile construction professional with hands-on experience in project management, estimating, and team coordination on commercial and public-sector projects. Skilled in budget tracking, schedule management, and documentation, with a strong focus on client communication, and quality delivery. Proven ability to support all project phases, solve problems proactively, and drive successful outcomes in fast-paced environments.

Overview

10
10
years of professional experience
1
1
Certification

Work History

Construction Estimator

Martel Construction
Bozeman, MT
07.2024 - Current
  • Prepared cost estimates for 15 or more commercial projects annually (ranging from $500K to $20M per project), including material, labor, and equipment breakdowns.
  • Managed bid proposals for $10M+ in annual projects, ensuring compliance with local regulations, and client specifications.
  • Maintained a cost-tracking database for over 100 completed projects, improving future estimate accuracy by 12% to 15%.
  • Collaborated with architects and engineers to revise 15 to 20 design elements annually, avoiding $50,000 to $100,000 in potential overruns.
  • Managed detailed quantity takeoffs and cost estimates for over 30 commercial and residential projects annually, ensuring budget accuracy within +/- 3% of final contract values.

Project Manager

Martel Construction
Bozeman, MT
07.2023 - 07.2024
  • Managed budgets for projects over $5M, tracking expenses via tools like Procore and MS Excel to maintain less than 5% cost overruns.
  • Conducted over 50 subcontractor meetings annually to align on timelines, reducing delays by 10% to 20%.
  • Reduced documentation errors by 20–30% using Bluebeam Revu for quantity takeoffs and submittal reviews.
  • Oversaw all facets of project delivery, including planning, design coordination, procurement, construction, and closeout, while executing risk mitigation strategies that reduced project change orders by 20%.
  • Implemented change management routines, evaluating and processing over 40 change requests, and ensuring all impacts to scope, budget, and schedule were documented and approved by stakeholders.

Project Engineer

Martel Construction
Bozeman, MT
05.2022 - 07.2022
  • Supported project management teams on projects valued over $10 million, assisting in tracking schedules, budgets, and deliverables to ensure alignment with client expectations.
  • Coordinated 20–30 subcontractors per project to align on schedules, reducing delays by 10–15% through proactive conflict resolution.
  • Streamlined submittal processes, reducing approval times by 20–25% via standardized documentation workflows.
  • Managed RFI logs for projects over $10 million, resolving 95% of queries within 48 hours to avoid schedule disruptions.
  • Assisted with bid solicitation and analysis for subcontractor scopes, contributing to a 10% reduction in bid discrepancies, and supporting accurate contract award recommendations.

Scheduling Manager & Inside Sales Associate

Empire Building Materials
Bozeman, MT
02.2021 - 05.2022
  • Managed production schedules for 50–100+ millwork and door orders monthly, ensuring on-time delivery with less than 5% schedule variance through real-time adjustments.
  • Processed 30–50+ orders daily with less than 2% error rate, ensuring accurate pricing, delivery dates, and material specifications.
  • Maintained 90–95% client retention through weekly check-ins, and proactive issue resolution.

Shipping and Receiving Clerk

Empire Building Materials
Bozeman, MT
05.2020 - 02.2021
  • Processed 50–100+ pre-hung door units daily using forklifts and pallet jacks, maintaining a damage rate of less than 1% through proper handling protocols.
  • Reconciled 15–20 weekly purchase orders against vendor deliveries, recovering $1K–$3K annually in billing errors.
  • Trained 3–5 new hires quarterly on documentation systems and door-handling protocols, slashing onboarding time by 30%.

Custom Ski Boot Fitter and Hardgoods Associate

Beaver Creek Resort
Avon, CO
10.2019 - 04.2020
  • Exceeded monthly sales targets by 15 to 20% through proactive customer engagement and upselling premium products.
  • Collaborated with 12 associates to streamline store operations, reducing customer wait times by 25%.

Ski Rental Technician

Thredbo
Jindabyne, Australia
06.2018 - 10.2019
  • Fitted and adjusted ski and snowboard equipment for over 1,200 guests each season, ensuring safety and performance standards.
  • Maintained rental fleet of over 800 skis and snowboards, implementing preventative routines to reduce downtime by 20%.

Data Analyst

Monash University
Melbourne, Australia
03.2018 - 06.2019
  • Performed consistent data audits and validation checks, identifying and rectifying discrepancies.
  • Collaborated with multidisciplinary team of 10+ clinicians, statisticians, and coordinators to establish project requirements.

General Handyman

Willing Workers On Organic Farms
Various, New Zealand
10.2017 - 03.2018
  • Performed a wide range of general maintenance and repair tasks, including carpentry, painting, and equipment upkeep, across three different organic farms, supporting daily operations, and infrastructure improvements.
  • Assisted with the construction and renovation of small projects, such as sheds, sprinkler systems, and fencing, contributing to the completion of more than five building projects on schedule and within resource constraints.

Interim Supervisor and Ski Tune Shop Technician

Whakapapa Ski Resort
Whakapapa , New Zealand
05.2017 - 10.2017
  • Supervised a team of six technicians in the ski tune shop, coordinating daily workflow and ensuring that all equipment servicing met quality and safety standards, resulting in a 25% increase in shop productivity.
  • Trained new staff members on tuning techniques, equipment safety, and customer interaction protocols, reducing onboarding time by 30%, and enhancing team performance.

General Laborer

Marquee and Event Hire
Timaru, New Zealand
04.2017 - 05.2017
  • Collaborated with a team of 8+ laborers to efficiently load, transport, and install event equipment, reducing the average setup time per event by 15%.
  • Maintained and inspected equipment before and after use, identifying and reporting maintenance needs to prevent equipment failure, and ensure safety.

Dairy Farm Hand

Brenstrum Dairy Farm
Te Kopuru, New Zealand
02.2017 - 03.2017
  • Milked and cared for a herd of over 250 dairy cows twice daily, ensuring adherence to strict hygiene and animal welfare standards.
  • Monitored cow health and behavior, promptly reporting issues to farm management, and supporting early intervention, which helped reduce illness incidents by 10%.

Milling and Operations Intern

Graincraft
Great Falls, MT
06.2016 - 08.2016
  • Monitored and recorded production data, including yield rates, equipment performance, and quality control metrics, supporting accurate reporting and process optimization.
  • Participated in quality assurance testing for flour samples, ensuring all products met company and regulatory standards for consistency and safety.

Project Engineering Intern

McCarthy Building Companies Inc.
Las Vegas, NV
06.2015 - 08.2015
  • Reviewed construction drawings, RFIs, and submittals, identifying discrepancies, and supporting timely resolution to maintain workflow continuity.
  • Participated in weekly site meetings with architects, engineers, and clients, helping to document meeting minutes and action items for effective communication and follow-up.

Education

Bachelor of Science - Mechanical Engineering Technology

Montana State University
Bozeman, MT
12-2016

Skills

  • Procore project management software for document control, RFIs, submittals, and scheduling
  • Sage construction estimating software
  • Bluebeam Revu for digital takeoffs, plan markups, and document management
  • Stakeholder communication
  • Risk assessment and change management
  • Microsoft Office Suite for reporting, data analysis, and project documentation

Projects

  • Family Promise (08/2024) - Created winning estimate for a remodel project to create a campus for Family Promise of Gallatin Valley, a non-profit organization working with families facing housing insecurity. Valued at $680,000
  • Trinity Church Ministry Center (04/2023 - 05/2024) - Completed the project approximately 1 month ahead of schedule with zero safety issues and at a 10% profit. Valued at $6.5M.
  • Jet Aviation, Bozeman (05/2022 - 09/2023) - Completed the project approximately 1 month ahead of schedule with zero safety issues and at over a 5% profit. Valued at $11M.

Certification

  • OSHA 30 Certification
  • Master’s Education Snow Sports Boot Fitting and Stance Alignment - Masterfit University - 2019

Timeline

Construction Estimator

Martel Construction
07.2024 - Current

Project Manager

Martel Construction
07.2023 - 07.2024

Project Engineer

Martel Construction
05.2022 - 07.2022

Scheduling Manager & Inside Sales Associate

Empire Building Materials
02.2021 - 05.2022

Shipping and Receiving Clerk

Empire Building Materials
05.2020 - 02.2021

Custom Ski Boot Fitter and Hardgoods Associate

Beaver Creek Resort
10.2019 - 04.2020

Ski Rental Technician

Thredbo
06.2018 - 10.2019

Data Analyst

Monash University
03.2018 - 06.2019

General Handyman

Willing Workers On Organic Farms
10.2017 - 03.2018

Interim Supervisor and Ski Tune Shop Technician

Whakapapa Ski Resort
05.2017 - 10.2017

General Laborer

Marquee and Event Hire
04.2017 - 05.2017

Dairy Farm Hand

Brenstrum Dairy Farm
02.2017 - 03.2017

Milling and Operations Intern

Graincraft
06.2016 - 08.2016

Project Engineering Intern

McCarthy Building Companies Inc.
06.2015 - 08.2015

Bachelor of Science - Mechanical Engineering Technology

Montana State University

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