Ingeniero de sistemas

Senior Systems Engineer (L3) | Remote

Location: Remote (Mexico)

Schedule: Monday to Friday | Eastern Time (ET) business hours

Employment Type: Full-Time

English Level: Advanced (C1)

About the Opportunity

We are looking for an experienced Senior Systems Engineer (L3) to join the IT operations team of a Canadian Managed Services Provider (MSP).

This role is ideal for a hands-on infrastructure professional who enjoys designing, building, and implementing IT solutions from the ground up, managing technical projects independently, and solving complex infrastructure challenges.

You'll take ownership of infrastructure projects, work directly with international clients, and help improve the performance, security, and reliability of their IT environments.

Key Responsibilities

• Design, deploy, configure, and maintain Windows Server environments and IT infrastructure
• Lead infrastructure projects, including server deployments, migrations, virtualization, and network implementations
• Administer Microsoft 365, Active Directory, Entra ID, Exchange Online, and Intune
• Manage VMware, Hyper-V, Remote Desktop Services (RDS), and virtual desktop environments
• Configure and troubleshoot networks, VPNs, firewalls, and related infrastructure
• Handle complex L3 escalations, security incidents, backups, and system performance issues
• Plan and execute technical projects, managing timelines, milestones, and client communication
• Create technical documentation, establish best practices, and mentor junior IT technicians

What We're Looking For

• 5+ years of experience in IT infrastructure, systems administration, or MSP environments
• 2+ years in a senior engineering, L3, or technical escalation role
• Strong hands-on expertise with Windows Server, Active Directory, Microsoft 365, and related Microsoft technologies
• Proven experience independently deploying, configuring, and migrating IT infrastructure
• Experience with virtualization technologies such as VMware or Hyper-V
• Solid understanding of networking, firewalls, VPNs, DNS, DHCP, and TCP/IP
• Experience managing technical projects from planning through implementation
• Excellent troubleshooting, organizational, and problem-solving skills
• Advanced English (C1) with excellent communication skills for direct interaction with international clients
• Ability to work independently, prioritize projects, and deliver solutions with minimal supervision

Why Join This Opportunity?

• Work remotely with an established Canadian IT services company
• Take ownership of challenging infrastructure projects
• Collaborate directly with international clients and senior technical professionals
• Expand your expertise across Microsoft technologies, virtualization, networking, and cybersecurity
• Join a collaborative environment that values technical independence, innovation, and continuous learning

Ready to take your systems engineering career to the next level?

Apply now and help build, optimize, and secure IT infrastructure for businesses across North America.