Key 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

Required Skills &

- Competencies

- 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
- Server Administration – Excellent -Platform-agnostic, including vendor-specific systems
- Automation Scripting – Excellent- Strong logic and scripting in PowerShell/Python/Perl/Shell
- Communication Skills – Excellent - Clear, concise, and effective communication
- Customer/Stakeholder Mgmt – Excellent - Robust 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
- Microsoft Defender, CrowdStrike (exposure management)
- ServiceNow (Vuln Response module)
- Tanium, BigFix, SCCM (patching)Practices
- Vulnerability scanning & assessment
- Patch management & remediation
- Risk scoring (CVSS, EPSS)
- Threat intelligence integration
- Configuration hardening (CIS benchmarks)
- Continuous monitoring & compliance Domains
- Cloud (AWS, Azure, GCP vulnerability posture)
- On-prem infrastructure (Windows/Linux)
- Network devices & appliances
- Containers &
- Kubernetes security
- 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