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KTek Resourcing

Vulnerability Remediation and Patching Architect

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 25, 2026
Experience: This role requires 10+ years of relevant experience.
Posting language: English
Posted: Oct 26, 2026

Original job description

Role - Vulnerability Remediation and Patching Architect

Must have: Nessus, Security Event Analysis,Technical solution implementation-SIEM,Vulnerability & Compliance Remediation

hybrid 3 days in Toronto Office

Role Summary

Provide architecture leadership for enterprise vulnerability remediation, security hardening and patching across AIX, Linux and Windows. Translate vulnerability intelligence into safe, scalable remediation strategies and act as the senior technical and customer-facing authority.

Key Responsibilities

Own the end-to-end remediation architecture, including intake, risk prioritization, technical treatment, scheduling, validation, exception handling and closure evidence.

Design cross-platform patching and hardening patterns for AIX, Linux and Windows while minimizing service disruption and protecting business-critical workloads.

Review Rapid7, Kenna Security and Qualys findings; correlate severity, exploitability, asset criticality, exposure and operational risk to define remediation priority.

Create remediation roadmaps, reference architectures, technical standards, runbooks, decision records and governance metrics.

Lead complex technical decisions, root-cause analysis, recurring-vulnerability elimination and compensating-control recommendations.

Architect automation using Ansible/AAP and scripting, with source control, peer review, testing, rollback and auditability.

Partner with Security, infrastructure towers, application owners, change management and customer leadership; chair technical reviews and executive status discussions.

Mentor SMEs and engineers and establish reusable engineering practices across technology towers.

Required Technical Skills

Advanced AIX, RHEL/Linux and Windows Server patching, troubleshooting and security hardening

Ansible/Red Hat Ansible Automation Platform, PowerShell, Python and Shell scripting

Rapid7 InsightVM, Kenna Security/Cisco Vulnerability Management and Qualys VMDR

CVSS, risk-based prioritization, vulnerability lifecycle, remediation validation and exception governance

CIS Benchmarks and practical hardening controls; strong understanding of NIST-aligned security practices

Enterprise change, release, incident and problem management; ServiceNow awareness

Architecture documentation, dependency analysis, maintenance-window planning, rollback and evidence management

Git-based version control and automation quality controls

Communication, Customer-Facing and Leadership Skills

Executive-level written and verbal communication with clear translation of technical risk into business impact

Strong customer-facing presence, workshop facilitation, negotiation and defensible recommendation skills

Ability to challenge unsafe approaches constructively and secure agreement across multiple technical owners

Crisp status reporting, decision documentation and escalation management

Education and Preferred Credentials

Bachelor’s degree in Computer Science, Information Technology, Engineering or a related discipline, or equivalent relevant professional experience.

Relevant Red Hat, Microsoft, AIX, security or ITIL certifications

Experience in large, regulated and multi-vendor enterprise environments

Interview Focus

Assess architecture judgment, enterprise scale, cross-platform dependencies, customer influence and technical leadership. Include at least one real-world failure scenario and require the candidate to explain diagnosis, safe remediation, rollback, evidence and stakeholder communication.

Hiring Note

This role requires 10+ years of relevant experience. Equivalent enterprise products may be considered when the candidate demonstrates directly transferable hands-on capability.

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More about this job

Responsibilities

Lead enterprise vulnerability remediation architecture, including risk prioritization, cross-platform patching and hardening, validation, exception handling, and audit evidence. Develop automation and governance practices, resolve complex technical issues, and guide customer and executive stakeholders while mentoring technical teams.

Requirements

Requires 10+ years of relevant experience and advanced hands-on expertise patching and hardening AIX, Linux, and Windows Server environments, with vulnerability management tools and automation technologies. A bachelor’s degree or equivalent experience is required, with relevant technical or security certifications preferred; strong architecture, risk management, communication, and customer-facing leadership skills are also expected.

Skills

Vulnerability Remediation
Patching Architecture
AIX
Linux
Windows Server
Ansible Automation Platform
PowerShell
Python
Shell Scripting
Rapid7 InsightVM
Kenna Security
Qualys VMDR
Security Event Analysis
SIEM
Risk-Based Prioritization
Security Hardening

Visa sponsorship

Not detected in the job text

Keywords

Nessus
Security Event Analysis
SIEM
Vulnerability Management
Vulnerability Remediation
Patching
AIX
RHEL
Linux
Windows Server
Ansible
Red Hat Ansible Automation Platform
PowerShell
Python
Shell Scripting
Rapid7 InsightVM
Kenna Security
Cisco Vulnerability Management
Qualys VMDR
CVSS
CIS Benchmarks
NIST
ServiceNow
Git
Change Management
Incident Management
Problem Management
Security Hardening
Risk-Based Prioritization
Compliance Remediation

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