Careers at Sentinel

Steady work. Exciting projects. Real growth opportunities.
Join Sentinel’s growing network of dock and door branches specializing in commercial and industrial overhead doors and dock equipment.

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Build Your Future with Sentinel Dock & Door

Sentinel Dock & Door is growing, hiring technicians, installers, and apprentices across our dock and door branches. We work in the commercial and industrial sector, installing and servicing overhead doors and dock equipment for high-demand facilities.

If you’re looking for steady work, hands-on experience, and real growth opportunities, this is a career built to last.

Multiple Location

Field Based Roles

Office Based Roles

Technical Careers

Join a team of technicians, installers, and apprentices focused on safety, teamwork, and quality work in a high-demand industry.

  • Steady, year‑round demand for skilled technicians and lead hand technicians, for both the installation and service team
  • Work that directly supports Canada’s supply chain
  • Opportunities to solve real problems on‑site, every day

What you can expect:

  • Access to the Sentinel Training Facility, designed to set our technical team up for success and provide a clear progressive career path
  • Comprehensive health coverage: medical, dental, and life insurance
  • Competitive hourly pay with paid overtime, weekly pay, and potential bonus opportunities
  • Uniform Program

Office & Operations Careers

Our field teams are supported by dedicated office and operations professionals across Ontario and Quebec.

Office-based roles may include:

  • Project Coordination & Scheduling
  • Administration & Office Support
  • Finance, HR & Compliance
  • Sales, Estimating & Customer Support
  • Marketing & IT

Some positions may be branch-based or centralized, depending on the role.

Why Work With Sentinel

Steady work in a growing industry

Competitive pay and benefits

Training, apprenticeships, and certifications

Clear growth and advancement opportunities

Supportive teams and leadership

Employee Testimonials

I’m truly grateful for the opportunity to work with this organization. The leadership team is supportive, approachable, and genuinely committed to my development. The work environment is collaborative, respectful, and motivating, and I’ve gained meaningful experience both professionally and personally. I would highly recommend this company to anyone looking for a positive workplace with real opportunities for growth.
Abhishek Sharma, Lead Hand​Lenworth | Mississauga​
Abhishek Sharma, Lead Hand​
Working at Door Doctor has been a great professional experience. It’s allowed me to grow alongside skilled tradespeople, strengthen my expertise in the field, and take pride in delivering quality work on major projects. Working on different job sites has also been rewarding, offering new challenges and the chance to build strong professional connections.
Lany Lefebvre, Lead Hand ​Door Doctor | Montreal ​
Lany Lefebvre, Lead Hand ​
The environment is fast-paced but rewarding, with strong opportunities for personal growth. Open door, collaborating with team members to achieve shared goals. Company events that help employees connect, relax, and feel appreciated.
Dan Underhill, Installation Manager​Lenworth | Mississauga​
Dan Underhill, Installation Manager​
Door Doctor is a place that emphasizes growth, while having a supportive atmosphere. There's a real focus on guiding you to building your career, with opportunities to enhance your skills. You end up having pride in the work you do, while feeling like you're part of a family.
Jean Piero Passante, Lead HandDoor Doctor | Toronto
Jean Piero Passante, Lead Hand

READY TO JOIN OUR TEAM?

Explore installer, apprentice, technical services, and office roles across Ontario and Quebec.

New positions are added regularly—check back often. 

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