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About The Company

Mattina Mechanical Limited (MML), headquartered in Hamilton, Ontario, is a privately owned, premier mechanical contracting firm recognized for delivering complex, high-impact projects across institutional, commercial, industrial and mid-high-rise residential sectors. Renowned for precision, reliability, and an unwavering commitment to safety and quality, MML combines technical expertise with innovative solutions to exceed client expectations.

The company’s growth is fueled by operational excellence, forward-thinking strategies, and a culture that champions collaboration, integrity, and the continuous development of its people. MML proudly operates as an open shop contractor, maintaining a workplace where opportunity is based on performance, skill, and commitment. The company values employee choice, respect, and fairness while fostering a unified culture built on teamwork, transparency and shared success.

Role Overview

The Assistant Controller provides detail-oriented and analytical support to the Director Finance & Accounting and the finance team within a fast-paced construction environment. This role is responsible for maintaining accurate financial records, preparing timely reports, and supporting the senior finance team with budgeting, cost tracking, and project accounting.

The ideal candidate will bring strong financial acumen and a proactive approach to supporting day-to-day finance operations and continuous improvement initiatives.

This is an 18-month contract position.

What You’ll Be Doing

• Complete the monthly, quarterly and annual close process and reporting (including consolidated financial statements) within the established timeline
• Analyze and interpret the financial results compared to budgets and forecasts, in collaboration with other departments
• Support month-end internal and external financial reporting, as well as ad-hoc financial analysis
• Assist with the annual audit process, liaise with external auditors, providing necessary documentation
• Ensure compliance with accounting principles, regulations, and internal controls
• Assist with the development and management of financial controls in accordance with the Company’s procedures
• Support the budgeting process by gathering financial data and collaborating with department heads to create comprehensive budget forecasts
• Monitor financial performance against budgets and report variances to senior management with actionable insights
• Assist with working capital management and cash flow forecasting
• Responsible for completing statutory and Company specific filings within established deadlines, including HST returns, payroll filings and bank reporting
• Assist with creating, maintaining, and administering Company policies and identifying potential areas for process improvement
• Mentor finance and accounting team members, fostering professional development and addressing any operational inefficiencies
• Support and cross-train to Finance department processes
• Performs other duties as required

What We’re Looking For:

• Bachelor’s degree in accounting or finance;
• CPA designation preferred, or actively enrolled in the final stages of the CPA program
• Minimum 5 years of experience performing full cycle accounting or a similar finance role, with a focus on construction, mechanical contracting, or a related industry preferred
• Strong knowledge of accounting principles and practices, as well as financial regulations
• Excellent analytical and problem-solving skills, with the ability to communicate complex financial information effectively
• Proven experience in budgeting, forecasting, and financial reporting
• Attention to detail
• Ability to work well under stringent time constraints and respond to changes in priorities
• Strong communication skills
• Ability to work independently, take initiative, set priorities and see projects through to completion
• Strong leadership skills and the ability to work collaboratively within a team-oriented environment
• Computer literate with accounting software and Microsoft Office, especially Excel

Why Join MML

• Competitive base salary of $95,000 - $115,000 aligned with experience and scope of responsibility
• Eligible for company benefits and paid vacation during the contract term, including access to MML's comprehensive benefits program through MERIT Ontario
• Competitive compensation ($95,000 - $115,000) aligned with experience and scope of responsibility
• Eligible for company benefits and paid vacation during the contract term
• Opportunity to contribute in a key leadership role within a well-established and growing organization
• Long-term project pipeline and strong financial stability
• Open shop contractor offering a collaborative, flexible, and team-oriented work environment
• Friendly, family-oriented workplace culture
• Fully insured and bonded employer
• Strong commitment to health and safety, supported by an exemplary WSIB record

This opportuity is an existing vacancy within the Finance Department

For consideration, please apply online.

Recruitment & Accessibility Notice

We use AI technology as part of our application review process to assist in screening and assessment. All applications are also reviewed by our recruitment team. AI is not used to make hiring decisions.

As part of our commitment to inclusivity, diversity, equity and accessibility, our goal is a workforce built on respect that reflects the communities we serve. We thank all applicants for their interest but only those selected for an interview will be contacted. 

We are proud to be in compliance with the Accessibility for Ontarians with Disabilities Act (AODA), 2005 and the Integrated Accessibility Standards Regulation. We are happy to honour accommodations at any part of the recruitment process and invite you to let us know how we can help.