Spark Power

Estimator, Major Projects

Join Spark Power in GTA, Ontario as an Estimator for Major Projects. Focus on complex electrical infrastructure bids across diverse sectors. Enjoy competitive pay, benefits, and career growth in a dynamic team shaping large-scale construction projects.
Spark Power
Spark Power
GTA, Ontario, Canada On-site Full time UTC-05:00

Spark Power

Company Overview

Spark Power Corp.

Oakville, ON, Canada

2009

Approximately 1,300 employees and revenue of CA$285.1 million in 2023 (source: stockopedia.com).

What They Do

Spark Power has transitioned from its initial focus on renewable energy solutions to a broader spectrum of integrated electrical power services. Currently, the company specializes in low, medium, and high voltage contracting, operations and maintenance (O&M), power systems engineering, asset management, and energy management. Their sustainability solutions, including offerings from Bullfrog Power, represent about 10% of their business. Spark Power's diverse product and service portfolio includes technical services for over 400 MW of renewable energy projects, power equipment manufacturing, and advisory services for asset and energy management, managing approximately $3.7 billion in assets under management (AUM) (source: electricalindustry.ca).

Projects & Track Record

Spark Power has successfully completed several notable projects, including the Sunny Shores solar project, which spans 14 MW across 100 acres and was sold to Oakville Hydro in 2014. The company has also been involved in early IESO/OPA-contracted small renewable assets and has established itself as a leading independent O&M provider for over 400 MW of renewable energy projects in Ontario. Their client base includes top revenue generators and major utilities, with partnerships that enhance their operational capabilities and market reach (source: sparkpowercorp.com).

Recent Developments

In recent years, Spark Power has announced significant developments, including their Q4 2023 earnings report, which highlighted a revenue of CA$285.1 million. The company has also shown strong operational momentum, particularly in Q3 2022, and has implemented a new direction for its U.S. operations, focusing on a field-oriented model across various states. Noteworthy milestones include the groundbreaking of their new Oakville head office in September 2020, attended by Minister Monte McNaughton, and recognition as finalists for the EY Entrepreneur of the Year award in 2017 (source: sparkpowercorp.com).

Working There

Spark Power employs a diverse range of professionals, including skilled tradespeople, engineers, automation experts, project managers, and revenue accounting specialists. The company has a strong presence in Ontario, with approximately 45% of its workforce based there, and continues to expand its operations in the U.S. Hiring occurs across various locations, including their Oakville headquarters and new branches in the U.S. The company culture emphasizes innovation, safety, and community engagement, fostering an inclusive work environment that supports rapid branch growth and operational excellence (source: sparkpowercorp.com).


Last updated on Feb 25, 2026 | Report an issue

Spark Power is seeking an Estimator, Major Projects, to join our growing Major Projects Estimating team. This role is focused on complex electrical infrastructure opportunities across industrial, commercial, institutional, municipal, manufacturing, data centre, energy, and BESS sectors. The successful candidate will support the development of competitive, well-structured estimates and proposals for large-scale construction projects that require strong technical understanding, commercial awareness, and cross-functional coordination. Working within the Major Projects team, you will be involved early in the project lifecycle, contributing to pre-construction strategy, bid development, execution planning, commercial review, and overall pursuit approach. This position offers strong exposure across the business and the opportunity to help influence how major projects are positioned before they move into execution.

This is an exciting opportunity for someone who wants to be part of a growing team focused on some of Spark Power's most strategic and high-impact pursuits. The role offers the chance to work on large, meaningful construction projects and exciting new opportunities, while playing a key role in how those opportunities are shaped, priced, planned, and pursued.

What will you do as an Estimator, Major Projects?

  • Manage working relationships with clients, internal resources, and third parties such as vendors, subcontractors, ESA, and utilities.
  • Coordinate internal resources and third parties such as vendors, subcontractors, ESA, and utilities for the efficient execution of projects
  • Ensure resource availability and allocation.
  • Assist with development of project scopes and objectives taking into consideration risk mitigation strategies.
  • Develop detailed project plans to track progress.
  • Use appropriate techniques to manage changes in scope, schedule, and costs.
  • Measure project performance using appropriate metrics such as timelines, cost, and scope.
  • Report and escalate issues to management as required.
  • Create and maintain comprehensive project documentation
  • Negotiate additional work items with customers as approved by management.
  • Identify strengths and weaknesses, recommend training requirements, and evaluate performance of technical staff as it relates to the projects they are working on.
  • Ensure employees understand and follow company and regulatory safety policies and practices.
  • Participate in branch budget and business plan development, and financial review meetings as required.
  • Maintain a high level of customer satisfaction.

Spark Power Employee Benefits and Perks

  • Competitive wages plus incentive plan
  • Excellent benefit package (Medical, Dental, Vision, Extended Health, Disability) and wellness spending account option
  • RRSP
  • Career advancement and mentorship opportunities
  • Diverse and exciting industrial, commercial and institutional projects and customer base
  • Growing company with consistent work
  • Continuous training and skills improvement
  • Overtime opportunities
  • ....and much more

Do you have the Spark? Here's what we're looking for

  • Experience in electrical estimating, project execution, project coordination, construction operations, project management, or a similar role related to major electrical construction projects
  • Experience with industrial, commercial, institutional, municipal, manufacturing, data centre, energy, or BESS projects would be considered an asset
  • Strong understanding of construction methods, project sequencing, and cost drivers for electrical work
  • Ability to read and interpret drawings, specifications, contracts, and bid documents
  • Strong attention to detail and the ability to build accurate, well-organized estimates under deadlines
  • Strong analytical and mathematical skills
  • Strong computer skills including Microsoft Office; experience with estimating software such as Accubid is an asset
  • Ability to work effectively with cross-functional teams including operations, engineering, procurement, and commercial leadership
  • Strong written and verbal communication skills
  • Field experience in electrical construction is considered a strong asset
  • Trade certification, engineering technologist background, engineering background, or equivalent industry experience is considered an asset but not require

Apply now

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About the role

June 18, 2026

Full time

Company

June 19, 2026

On-site

Energy Storage

Spark Power

sparkpowercorp.com

  •  GTA, Ontario, Canada

Mid-level experience in electrical estimating or project management

UTC-05:00