Infrastructure Engineer

Astek; Montreal (administrative region); On-site; CAD 90,000 - 120,000; Full time

Job summary

Astek Montreal is seeking an experienced IT Infrastructure Security Engineer to lead and support PoC/RFP initiatives, administer applications with lifecycle ownership, and manage complex network & security configurations across platforms.

You will develop automation scripts, collaborate with DevOps on CI/CD and cloud infra, engage with stakeholders, and support IoT/OT devices in a globally distributed team, ensuring compliant and future-proof systems.

Qualifications

• 5+ years of experience in infrastructure administration and security.
• Strong knowledge of network layers, configurations, and authentication flows.
• Experience with Windows, Linux, and vendor ecosystems.
• Proficiency in PowerShell, Python, Perl, or Shell scripting.
• Certifications in network/security/cloud technologies are a plus.

Responsibilities

• Lead and support infrastructure-related PoC/RFP/RFE initiatives across diverse platforms.
• Administer applications with full lifecycle ownership, ensuring seamless request flow and network integration.
• Manage and troubleshoot network and security configurations including routers, switches, load balancers, proxies, firewalls, DMZ setups, IPs, ports, subnets, MAC addresses, and authentication protocols (RBAC, Kerberos, SSO, LDAP, AD).
• Perform server administration across Windows, Linux, Mac, and vendor ecosystems (e.g., CA, BMC, IBM DataPower).
• Develop and maintain automation scripts using PowerShell, Python, Perl, or Shell to streamline operations.
• Collaborate with DevOps teams to support CI/CD pipelines and cloud infrastructure.
• Engage with stakeholders and customers to understand requirements, provide updates, and ensure satisfaction.
• Analytical, strong support and troubleshoot IoT/OT devices across multiple platforms (Android, Windows, Linux, Unix, iOS)
• Work in a globally distributed team to provide innovative and robust solutions
• Work with SecDesign teams to design and apply appropriate controls and processes for integrated solutions
• Work with technology partners, stakeholders and SMEs to implement SecDesign approved solutions
• Provide support on existing IoT systems, manage upgrades and troubleshoot problems
• Ensure production systems are compliant within Hygiene programmed
• Collaborate with vendors to future proof our systems

Skills

Network administration

Security configurations

Automation scripting

DevOps collaboration

CI/CD practices

Cloud technologies

IoT/OT troubleshooting

Communication skills

Stakeholder management

Education

Bachelor’s or Master’s degree in CS/IT

Certifications in network/security/cloud (a plus)

Tools

Tenable

Qualys

Rapid7

Nessus

ServiceNow Vuln Response

Tanium

BigFix

SCCM

Job description

• Lead and support infrastructure-related PoC/RFP/RFE initiatives across diverse platforms.
• Administer applications with full lifecycle ownership, ensuring seamless request flow and network integration.
• Manage and troubleshoot network and security configurations including routers, switches, load balancers, proxies, firewalls, DMZ setups, IPs, ports, subnets, MAC addresses, and authentication protocols (RBAC, Kerberos, SSO, LDAP, AD).
• Perform server administration across Windows, Linux, Mac, and vendor ecosystems (e.g., CA, BMC, IBM DataPower).
• Develop and maintain automation scripts using PowerShell, Python, Perl, or Shell to streamline operations.
• Collaborate with DevOps teams to support CI/CD pipelines and cloud infrastructure.
• Engage with stakeholders and customers to understand requirements, provide updates, and ensure satisfaction.
• Analytical, strong support and troubleshoot IoT/OT devices across multiple platforms (Android, Windows, Linux, Unix, iOS)
• Work in a globally distributed team to provide innovative and robust solutions
• Work with SecDesign teams to design and apply appropriate controls and processes for integrated solutions
• Work with technology partners, stakeholders and SMEs to implement SecDesign approved solutions
• Provide support on existing IoT systems, manage upgrades and troubleshoot problems
• Ensure production systems are compliant within Hygiene programmed
• Collaborate with vendors to future proof our systems
• 5+ years experience.
• Application Administration – Excellent - End-to-end request flow with network integration
• Network & Security – Excellent - Deep understanding of network layers, configs, and authentication flows
• Automation Scripting – Excellent- Strong logic and scripting in PowerShell/Python/Perl/Shell
• Communication Skills – Excellent - Clear, concise, and effective communication
• Customer/Stakeholder Mgmt – Excellent - Strong interpersonal and stakeholder engagement skills
• CI/CD DevOps – Proficient - Familiarity with DevOps practices and tools
• Cloud Technology – Proficient - Exposure to cloud platforms and services
• IoT/OT Devices – Excellent - Platform-agnostic troubleshooting and support

Preferred Qualifications Tools & Platforms

• Tenable, Qualys, Rapid7, Nessus
• ServiceNow (Vuln Response module)
• Tanium, BigFix, SCCM (patching)Practices
• Vulnerability scanning & assessment
• Patch management & remediation
• Continuous monitoring & compliance Domains
• Cloud (AWS, Azure, GCP vulnerability posture)
• IoT/OT vulnerability management (if applicable, strong differentiator in your profile)
• Bachelor’s or master’s degree in computer science, Information Technology, or related field.
• Certifications in network/security/cloud technologies (e.g., CCNA, AWS, Azure, etc.) are a plus.