Assistant Controller

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.

The Opportunity

MML is seeking an Assistant Controller to join its Finance team on an 18-month contract.

Reporting to the Director, Finance & Accounting, this role will provide analytical and operational accounting support within a dynamic construction environment. The successful candidate will contribute to a broad range of financial activities, including financial reporting, budgeting, forecasting, compliance, audit support, working capital management, and process improvement initiatives.

This opportunity is well suited to an accounting professional who enjoys working in a collaborative environment and is looking to play an active role in supporting the financial operations of a growing organization.

What You'll Be Doing

• Complete monthly, quarterly, and annual close processes, including consolidated financial statement reporting
• Analyze financial results against budgets and forecasts and collaborate with departments to identify trends and variances
• Support internal and external financial reporting requirements and ad hoc financial analysis
• Assist with the annual audit process and liaise with external auditors
• Ensure compliance with accounting principles, financial regulations, and internal controls
• Support the development and management of financial controls in accordance with company procedures
• Participate in budgeting, forecasting, and financial planning activities
• Monitor financial performance and provide variance analysis and insights to senior management
• Assist with working capital management and cash flow forecasting
• Complete statutory and company-specific filings, including HST returns, payroll filings, and bank reporting
• Assist with policy development, administration, and process improvement initiatives
• Mentor and support finance team members while contributing to operational efficiency
• Support and cross-train within Finance department processes
• Perform 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 progressive accounting and finance experience, including full cycle accounting responsibilities. Experience within construction, mechanical contracting, or a related industry is 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 literacy with accounting software and Microsoft Office, especially Excel

Why Join MML

• Long-term project pipeline and strong financial stability
• Competitive compensation and bonus program
• Employer RRSP contributions
• Comprehensive benefits through MERIT Ontario
• 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

Compensation Overview

This is an 18-Month contract position. Expected base salary range: $95,000 to $115,000, aligned to experience and scope of responsibility.

This is an existing vacancy within the Finance & Accounting 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.