IT System Administrator III

DART Aerospace is looking for an experienced IT System Administrator III to join our Montreal-based IT team.

This is a senior, hands-on infrastructure role supporting a complex, multi-site aerospace manufacturing environment. The position combines systems administration, networking, cloud infrastructure, cybersecurity, virtualization, and technical troubleshooting , with a strong focus on reliability, security, performance, and operational continuity.

We are looking for someone who can join the organization as soon as possible and quickly take ownership of critical infrastructure activities.

What You'll Do

As an IT System Administrator III, you will:

• Maintain, configure, and optimize servers, networks, virtualization platforms, and IT infrastructure
• Design, implement, and support LAN/WAN environments, VPNs, firewalls, routing, and switching
• Administer Windows and/or Linux servers
• Manage Active Directory, DNS, DHCP, identity, permissions, and access controls
• Support and maintain cloud and hybrid infrastructure , including Azure, AWS, or similar platforms
• Monitor system and network performance and ensure high availability
• Troubleshoot complex hardware, software, connectivity, and infrastructure issues
• Manage system upgrades, patching, backups, and infrastructure lifecycle activities
• Support VMware, Hyper-V, or similar virtualization technologies
• Implement and maintain cybersecurity controls, policies, and best practices
• Identify security risks and support data protection initiatives
• Develop and maintain technical documentation, system configurations, and operating procedures
• Use PowerShell and automation to improve infrastructure efficiency and reduce manual processes
• Collaborate with IT colleagues and internal business teams to resolve technical challenges
• Support infrastructure improvements and technology projects across DART Aerospace operations

What We're Looking For

Required Qualifications

• 5-10 years of experience in systems administration and network administration
• Strong knowledge of TCP/IP, VLANs, routing, switching, firewalls, and network architecture
• Hands-on experience with Windows Server and/or Linux
• Experience managing Active Directory, DNS, DHCP, and access controls
• Experience with virtualization technologies such as VMware or Hyper-V
• Experience working with cloud infrastructure , including Azure, AWS, or comparable environments
• Solid understanding of cybersecurity principles and infrastructure security
• Experience with PowerShell scripting and automation
• Strong troubleshooting and problem-solving capabilities
• Ability to work independently and prioritize issues in a fast-paced operational environment
• Strong communication and technical documentation skills
• Fluency in English , written and spoken
• Canadian citizenship is required for this position

Assets

• Power BI knowledge
• Hands-on exposure to AI technologies or AI-enabled IT solutions
• Working proficiency in French and/or Spanish
• Experience supporting manufacturing, aerospace, defense, or another regulated industry
• Experience supporting infrastructure across multiple sites or countries

International Trade Compliance Requirement

DART Aerospace operates in a regulated aerospace environment and certain employees may require access to technical data, systems, hardware, or information subject to Canadian and U.S. export control requirements.

Due to the specific access requirements associated with this position, Canadian citizenship is required .

Employment is also contingent upon successfully completing applicable International Trade Compliance, restricted-party screening, access eligibility, and other compliance requirements associated with the position.

Why Join DART Aerospace

• Work in a global aerospace manufacturing organization
• Support a complex, business-critical IT environment
• High level of technical ownership and visibility
• Exposure to infrastructure across systems, networking, cloud, security, and automation
• Opportunity to influence infrastructure modernization and operational improvements
• Work directly with teams supporting mission-critical aerospace operations