Senior Vulnerability Engineer - Automation & Cloud Security

OnX Enterprise Solutions; Toronto; On-site; CAD 72,000 - 96,000; Full time

Benefits offered by this job

Professional development and cert."

Flexible work options

Competitive compensation and benefits

Job summary

OnX Enterprise Solutions in Toronto, Ontario is seeking a Sr. Engineer - Vulnerability Management to lead the vulnerability lifecycle across enterprise infrastructure, apps, cloud, and networks.

You will drive automation with Python and PowerShell, perform assessments, set risk-based prioritization, and collaborate with Infra, Cloud, Platform Eng, DevSecOps, SOC, and Applications teams to meet remediation SLAs.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, Telecommunications, or related technical field.
• Minimum 5+ years of hands-on experience in Vulnerability Management and Security Operations.
• Strong understanding of enterprise infrastructure, cloud security, DevSecOps, and remediation practices.

Responsibilities

• Manage the end-to-end vulnerability management lifecycle across OS, applications, cloud, containers, and networks.
• Perform vulnerability assessments across operating systems, applications, cloud platforms, containers, and network environments.
• Operate and optimize vulnerability scanning tools and security assessment frameworks.
• Drive automation initiatives using Python and PowerShell to improve remediation workflows and reporting.
• Analyze threat intelligence, exploit data, CVSS scores, and emerging vulnerabilities to support risk-based prioritization.
• Collaborate with Infrastructure, Cloud, Platform Engineering, DevSecOps, SOC, and Application teams to ensure remediation SLAs are achieved.
• Support security incidents by evaluating vulnerability impact, exploitability, and contributing to root cause analysis.
• Manage vulnerability exceptions, false-positive handling, and risk acceptance processes.
• Create executive-level reports and dashboards highlighting exposure trends and remediation progress.

Skills

Vulnerability Management

Security Automation

Cloud Security

DevSecOps

Threat Detection

Incident Response

Risk Prioritization

IAM

Data Protection

Vulnerability Remediation

Security Operations

Cross-functional Collaboration

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, Telecommunications, or related field

Tools

Qualys VMDR

Microsoft Defender Vulnerability Management

Nessus

Rapid7

Python Scripting

PowerShell Scripting

Job description

OnX Enterprise Solutions in Toronto, Ontario is seeking a Sr. Engineer - Vulnerability Management to lead the vulnerability lifecycle across enterprise infrastructure, apps, cloud, and networks.

You will drive automation with Python and PowerShell, perform assessments, set risk-based prioritization, and collaborate with Infra, Cloud, Platform Eng, DevSecOps, SOC, and Applications teams to meet remediation SLAs.