Maintenance Manager

Responsibilities for this Position

Location: 1941 Robertson Rd, Nepean, ON K2H 5B7, Canada

Employment Type: Fulltime-Regular

Build bold. Deliver impact. Win together.

At General Dynamics Mission Systems Canada, we’re not just engineering technology we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the people we serve.

If you’re looking for meaningful work that contributes to a safer, more secure world, you’ll find purpose here. Every day, your skills will directly impact programs that matter.

We are seeking a Maintenance Manager to lead facilities operations within a portfolio exceeding 350,000 square feet across Canada, where facilities management plays a critical role in connecting people, places, and processes to drive safety and workplace productivity. Reporting to the Senior Facilities Manager, you will oversee daily maintenance operations, ensuring all facilities remain safe, functional, and fully compliant with applicable codes and standards.

This hands-on leadership role is accountable for guiding a high-performing team, coordinating contractors, optimizing service delivery, and identifying opportunities to reduce operating costs while supporting broader business objectives. The ideal candidate brings strong technical expertise, proven experience in facilities leadership, strong problem-solving capability, and a continuous improvement mindset, with the ability to deliver reliable, high-quality service in a fast-paced, evolving environment.

• Oversee maintenance, repair, and operation of building systems including HVAC, electrical, controls, plumbing, fire/life safety, elevators and building envelope ensuring high-quality outcomes and alignment with service standards.
• Provide leadership to building operations team and manage facilities-related contracts and vendor relationships to ensure performance, compliance, and optimal value.
• Develop and manage preventative maintenance programs.
• Diagnose complex building issues and determine appropriate repair or replacement strategies.
• Act as the primary point of contact for employees regarding facility maintenance and building operations, delivering exceptional internal customer service.
• Implement and maintain operational standards, policies, and procedures, including site-specific facility protocols and documentation.
• Assist in budget planning and ensure maintenance activities are delivered within approved budget allocations.
• Champion continuous improvement initiatives to enhance maintenance practices, reduce equipment downtime, and boost operational efficiency.
• Foster a strong safety culture and ensure full compliance with health and safety regulations and policies.
• Provide on-call support as needed for emergency or off-hours issues.
• Travel may be required to support multiple locations.

• Post-secondary education in a relevant technical field or a valid trade certification, combined with equivalent practical experience.
• Minimum of 5 years of hands-on experience in facilities operations, with at least 2 years in a supervisory or leadership role.
• Familiarity with building codes, safety regulations, and preventative maintenance practices.
• Strong working knowledge of HVAC, plumbing, pumps, controls and electrical systems, with the ability to support troubleshooting and preventive maintenance.
• Proven leadership and interpersonal skills with a track record of building and guiding high-performing teams.
• Ability to engage professionally with internal stakeholders, vendors, and contractors.
• Skilled at managing multiple tasks and priorities in a dynamic, fast-paced environment.
• Familiarity with building automation systems and their operation.
• Proficient in Microsoft Office Suite (Excel, Word, PowerPoint, MS Project), AutoCAD and Computerized Maintenance Management Systems (CMMS).
• Excellent verbal and written communication skills in English;
  French language proficiency is an asset.
• Possession of a valid drivers license and ability to operate a company vehicle.

Work…