Co-Managed Infrastructure Team Lead - SMB IT Environments

You are technically strong and you want to keep growing, not stagnate on a single infrastructure for years.

✔ You want remote work and flexibility?

✔ You want exposure to a variety of infrastructures that will accelerate your technical expertise?

✔ You want a culture of continuous improvement that encourages solution optimization for our clients and the opportunity to work with modern technologies (Microsoft, Azure, Fortinet, and Cisco)?

✔ You want to grow without having to change employers every 3 years?

✔ You want to work with competent IT teams, not alone in your corner?

✔ You want to clearly see the impact of your work with serious clients?

✔ You enjoy collaborating with employees who stay long term and growing close to the leadership team?

If this sounds like you, keep reading.

The challenge

In many IT roles, you end up:

✖ Always managing the same infrastructure

✖ Putting out fires without ever improving things

✖ Being seen as “support” rather than an expert

✖ Technically stagnating

At S3, we do things differently.

Your role at S3

By joining our co-managed infrastructure team, you become:

• The operational owner of Quebec SMB IT environments
• A trusted expert, not just an executor
  
  

You don’t just maintain: you optimize, secure, and evolve environments.

Your day-to-day impact

Taking ownership of client environments

• Take full operational ownership of client (SMB) infrastructures by ensuring continuous stability and proactively addressing potential challenges
• Identify and implement improvements to optimize performance, security, and reliability of client IT systems
• Maintain documentation on system configurations, procedures, and best practices
• Prioritize issues based on urgency and client impact
  
  

Solving What Really Matters

• Manage the ticket queue by prioritizing issues based on urgency and real client impact, ensuring timely resolution

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• Respond effectively to critical incidents
• Participate in the on-call rotation. Thanks to the support of our system administrator team in the Philippines, call volume is reduced.
  
  

Building strong relationships

• Collaborate with client IT teams to understand their infrastructure realities and needs, address concerns, prioritize issues, and ensure seamless integration of S3 services
• Act as a technical reference for clients and build long-term trust
  
  

The profile we’re looking for

• College diploma (DEC / AEC) in IT or equivalent
• 5+ years of IT experience and 2+ years as a systems administrator
• Strong knowledge of:
• Active Directory
• Windows Server
• Microsoft 365 / Exchange
• Networking (LAN/WAN, firewall, Wi-Fi)
• Virtualization & cloud
• Experience with Cisco, Dell, Fortinet
• Excellent command of French, and a good command of English, both spoken and written
• Strong problem-solving skills (hardware and software)
• Highly adaptable and client-oriented
• Strong communicator and team player
• Proactive and responsive
  
  

Assets: MSP experience, PowerShell, and certifications (Microsoft, Azure, Fortinet, etc.)

What you gain at S3

Compensation & Benefits

• Competitive salary, based on your experience
• Flexible remote work (100% remote + occasional on-site client visits 1–2 times per month)
• Comprehensive group insurance and telemedicine

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• 5 PTO days, paid out if unused
• Equipment allowance: $700
• Monthly cell phone allowance
  
  

Work Environment

• Team of 100 IT professionals who speak the same technical language as you
• Annual retreat in the Laurentians with your family
• Downtown office (Place des Festivals)
• Gym, showers, social activities
  
  

Your path to success

After 6 months

• You manage your client environments independently
• Your tickets are well prioritized and under control
• Your clients trust you
• You are recognized within the IT teams of your assigned clients
  
  

After 12 months

• You have implemented major optimizations
• You help junior team members grow
• You contribute to internal processes
• You are seen as a technical pillar
  
  

Why S3?

For over 20 years, S3 has been a leader in managed IT services in Montreal, with a team of over 100 employees serving a loyal base of serious SMB clients. Our growth is driven primarily by referrals from satisfied customers. At S3, you will never be “just a number”: you will be part of a committed team striving for excellence.

Ready to take the next step?

If you want to:

✔ Work with IT professionals and accelerate your technical expertise through hands-on experience

✔ Build a long-term career without having to change employers

Apply now!