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 solutionsWork with SecDesign teams to design and apply appropriate controls and processes for integrated solutionsWork with technology partners, stakeholders and SMEs to implement SecDesign approved solutionsProvide support on existing IoT systems,



manage upgrades and troubleshoot problemsEnsure production systems are compliant within Hygiene programmedCollaborate with vendors to future proof our systems5+ years experience.Application Administration – Excellent - End-to-end request flow with network integrationNetwork & Security – Excellent - Deep understanding of network layers, configs, and authentication flowsAutomation Scripting – Excellent- Strong logic and scripting in PowerShell/Python/Perl/ShellCommunication Skills – Excellent - Clear, concise, and effective communicationCustomer/Stakeholder Mgmt – Excellent - Solid interpersonal and stakeholder engagement skillsCI/CD DevOps – Proficient - Familiarity with DevOps practices and toolsCloud Technology – Proficient - Exposure to cloud platforms and servicesIoT/OT Devices – Excellent - Platform-agnostic troubleshooting and supportPreferred Qualifications Tools & PlatformsTenable, Qualys, Rapid7, NessusServiceNow (Vuln Response module)Tanium, BigFix, SCCM (patching)PracticesVulnerability scanning & assessmentPatch management & remediationContinuous monitoring & compliance DomainsCloud (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.

📌 Infrastructure Engineer (Montreal)
🏢 Astek
📍 Montreal