Assistant Controller - Hamilton, Ontario

About Our Client

Mattina Mechanical Limited (MML), headquartered in Hamilton, Ontario, is a privately owned, premier mechanical contracting firm delivering complex, high-impact projects across institutional, commercial, industrial, and mid-to-high-rise residential construction. With strong project pipelines, experienced leadership, and long-term financial stability, MML operates well-structured, safety-focused operations and maintains long-standing client relationships.

MML operates as an open-shop contractor in a performance-driven, team-oriented environment where opportunity is based on skill, accountability, and results.

This is an existing vacancy within the finance and accounting team.

Compensation Overview

This role offers a competitive base salary aligned to experience and scope of responsibility.

In addition to base salary, MML offers employer-matched RRSP contributions, a full benefits program, and eligibility for a discretionary performance bonus based on company and individual performance.

Role Overview

The Assistant Controller provides detail-oriented and analytical support to the Controller and finance team within a fast-paced construction environment. This role is responsible for maintaining accurate financial records, preparing timely reports, and supporting budgeting, cost tracking, and project accounting activities. The ideal candidate will bring strong financial acumen and a proactive approach to supporting day-to-day finance operations and continuous improvement initiatives.

What You’ll Be Doing:

• Complete monthly, quarterly, and year-end close, including consolidated financial statements
• Analyze financial results against budgets and forecasts and provide variance insights
• Support internal and external financial reporting and ad-hoc analysis
• Assist with annual audit coordination and external auditor requests
• Maintain compliance with accounting standards, regulations, and internal controls
• Support development and maintenance of financial policies and controls
• Participate in budgeting, forecasting, and working-capital management
• Support cash-flow forecasting and financial planning
• Complete statutory and company filings, including HST, payroll, and bank reporting
• Identify and drive process improvements to improve accuracy and efficiency
• Support, mentor, and cross-train finance team members
• Perform other duties as required

Requirements

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 progressive, hands-on accounting experience
• Experience with full-cycle accounting or equivalent finance responsibilities, ideally in the construction or project-based environments
• Strong understanding of accounting principles, financial reporting and controls
• Experience with budgeting, forecasting, and variance analysis
• Strong analytical, organizational, and communication skills
• Ability to manage multiple priorities and meet tight deadlines
• High attention to detail and accuracy
• Proficiency with accounting systems and Microsoft Excel
• Effective leadership skills and the ability to work collaboratively within a team-oriented environment
• Proficiency with accounting software and Microsoft Office Suite, especially Excel

Benefits

Why Join MML

• Long-term project pipeline and strong financial stability
• Competitive compensation and bonus program
• Comprehensive benefits through MERIT Ontario
• Employer RRSP contributions
• Open shop contractor, offering a collaborative, flexible, and team-oriented work environment
• Friendly, family-oriented workplace culture
• Continuing education and professional development opportunities
• Fully insured and bonded employer
• Strong commitment to health and safety, with an exemplary WSIB record

Apply Online To Be Considered For This Opportunity. 

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.