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Added 11 mins ago
ES
Cloud Engineer
Euna Solutions
ON · Oakville, Ontario
- Full-time
Euna Solutions' cloud infrastructure team is responsible for the security, reliability, and efficiency of the systems that power critical SaaS products used by public sector organizations.…
Added 11 mins ago
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Mechanical & Structural Design Engineer
ITPS (Canada) LTD
London, ON
- $72,000 to $85,000 CAD / year
- Full-time
The Mechanical & Structural Design Engineer is responsible for the design, development, and analysis of airframe components and systems integrations for aircraft modification projects. This…
Added 11 mins ago
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433A Certified Engineer
IntelliPro Group Inc.
Vaughan, ON
- Full-time
…drawings, using hand and power tools, troubleshooting mechanical systems and working in a manufacturing…
Added 23 mins ago
TM
Manager, New Product Introduction
Trudell Medical International
London, ON
- Full-time
Develop systems, processes, and accountability to ensure product specifications are in line with method and process capabilities
Added 23 mins ago
TM
Manager, Engineering - Design Support & Sustaining
Trudell Medical International
London, ON
- Full-time
Collaborate with cross-functional teams including embedded/application software, QA, product management, and systems engineering
Added 25 mins ago
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Technical Architect
Mphasis
Toronto, ON
- Contract
RAG & Knowledge Systems: Retrieval-Augmented Generation (RAG), GraphRAG, Knowledge Graphs, Semantic Search, Embeddings and Vector Search, Document Intelligence and Enterprise Search
Added 25 mins ago
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Graduate Building Systems Engineer (Available 2027)
Arup
Toronto, ON
- Full-time
Design digital technology systems for the built environment including data/voice networks, wireless/radio systems, telephony, security systems, public address, audio-visual systems, airport…
Added 25 mins ago
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Sr. Research Associate, Yeast Expression and VLP Production
Molagri (YC S26)
Toronto, ON
- Full-time
Molagri is developing a new class of bioinsecticides for crop protection. We engineer virus-like particles (VLPs) to deliver programmable, insecticidal payloads into target pests with…
Added 25 mins ago
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Officer Training & Development-CA
CN
Hornepayne, ON
- Full-time
Experience working as a Conductor, Locomotive Engineer, Rail Traffic Controller or a combination of the above
Added 25 mins ago
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Senior Design Engineer
Insight Global
Cambridge, ON
- $35 to $42 CAD / hour
- Contract
Insight Global is looking for a Senior Design Engineer is responsible for the development and advancement of new technologies by proactively contributing high-impact ideas and innovative…
Added 26 mins ago
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Account Executive - Full-Cycle (North America)
Botpress Technologies Inc.
Montreal, QC
- Full-time
Most companies are running support on ticketing systems built in 2007, with AI bolted on as an afterthought. Botpress is the enterprise-grade AI agent platform for customer support - built…
Added 26 mins ago
Senior AI Engineer
Charger Logistics Inc
Brampton, ON
We are looking for a highly motivated Sr. AI Engineer to join our team based out of our Brampton office and contribute to the development of AI-driven solutions for various departments.…
Added 26 mins ago
Procurement Engineer Coordinator
PCL Construction
Edmonton, AB
As a Procurement Engineer Coordinator for PCL Industrial Constructors Inc. in Edmonton, Alberta (Industrial), you'll have the opportunity to assists project manager(s) with overall…
Added 40 mins ago
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Specialist Disability Management
CPKC
Calgary, AB
- Full-time
Utilize tools like Word, Excel, Outlook, and Human Resources Information Systems (HRIS) like SAP while assisting employees who are unable to be accommodated in their own position, find…
Added 40 mins ago
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Structural Engineer, Building
Stantec
Longueuil, QC
- Full-time
Conduct structural surveys and inspections of building structures and framing systems;
Added 40 mins ago
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Structural Engineer, Building
Stantec
Laval, QC
- Full-time
Conduct structural surveys and inspections of building structures and framing systems;
Added 40 mins ago
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Structural Engineer, Building
Stantec
Montreal, QC
- Full-time
Conduct structural surveys and inspections of building structures and framing systems;
Added 40 mins ago
AP
Business Intelligence Engineer
Arobas Personnel
Toronto, ON
- Full-time
Arobas Personnel is seeking a Business Intelligence Engineer for a mandate with one of its clients located in Toronto.
Added 40 mins ago
AP
Senior Business Intelligence Engineer
Arobas Personnel
Toronto, ON
- Full-time
Arobas Personnel is seeking a Senior Business Intelligence Engineer for a mandate with one of its clients located in Toronto.
Added 40 mins ago
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Field Service Engineer
Ecolab
Calgary, AB
- Full-time
The Field Service Engineer supports customers globally and reports to the Manager, Field Service Operations. The Field Service Engineer is responsible for aspects of deployments,…
Added 40 mins ago
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Legacy Infrastructure Vulnerability Engineer
GraceMark Solutions
ON · Ontario, Canada
- $45 to $55 USD / hour
- Contract
The Legacy Infrastructure Vulnerability Engineer will manage vulnerability remediation across traditional enterprise technology estates, with primary focus on Windows, Linux, Active…
Added 40 mins ago
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Tech Transformation - Application Network Engineer
Brainhunter Systems Ltd
Toronto, ON
- Contract
Role Title: Tech Transformation - Application Network Engineer
Added 40 mins ago
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Custom IC Layout Engineer
Inpho
Ottawa, ON · Kanata, ON
- Full-time
Role Description The Custom IC Layout Engineer is a full-time, on-site role based in Calgary, AB. This position is responsible for designing and implementing custom IC layouts for photonic…
Added 40 mins ago
IR
Senior Analog IC Design Engineer - Canada
IC Resources
Ottawa, ON
- $120,000 to $200,000 CAD / year
- Full-time
This is a new opportunity for a Senior Analog IC Design Engineer with SerDes experience to join a brand-new team based in Ottawa, Canada, part of one of Europe’s fastest-growing…
Added 40 mins ago
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Architecte de données / Data Architect
Pratt & Whitney
Longueuil, QC
- Full-time

GraceMark Solutions

Legacy Infrastructure Vulnerability Engineer

ON, Canada
Ontario, Canada, Canada

$45 to $55 USD / hour · Contract

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Job details

Pay: $45 to $55 USD / hour
Job type: Contract
Apply by: Nov 5, 2026
Posting language: English
Posted: Oct 6, 2026

Original job description

Role Summary

The Legacy Infrastructure Vulnerability Engineer will manage vulnerability remediation across traditional enterprise technology estates, with primary focus on Windows, Linux, Active Directory, middleware, and centrally managed patching. The role will analyze findings, coordinate remediation with platform owners, troubleshoot patching constraints, and validate closure while maintaining service stability and change discipline.

Primary focus: Windows, Linux, Active Directory, middleware, and centralized patching coordination.

Key Responsibilities

· Analyze vulnerability findings affecting Windows servers, Linux platforms, Active Directory, middleware, and other on-premises or legacy infrastructure components.

· Validate asset ownership, operating-system version, vulnerability applicability, patch availability, exposure, remediation path, maintenance window, and service criticality before assigning action.

· Coordinate centralized patching and configuration remediation with server, directory services, middleware, database, network, application, and operations teams.

· Prepare remediation plans that group compatible fixes, identify prerequisites and dependencies, minimize operational disruption, and align execution with approved change-management processes.

· Troubleshoot failed deployments, unsupported platforms, agent issues, repository or package problems, reboot dependencies, configuration conflicts, and recurring scan detections.

· Track assigned findings against remediation SLAs, maintain accurate status and evidence, escalate overdue items, and provide actionable progress updates to the Vulnerability Lead.

· Support rescans and technical validation after remediation; investigate residual findings and coordinate corrective action until verified closure or approved exception.

Required Skills and Experience

· Strong administration and patching knowledge across Windows and Linux platforms.

· Working knowledge of Active Directory, middleware, enterprise patching tools, and change management.

· Ability to interpret vulnerability evidence, security advisories, patches, configuration guidance, and scan results.

· Experience coordinating remediation across large, distributed infrastructure estates.

· Structured troubleshooting, documentation, stakeholder coordination, and operational discipline.

Success Measures

Successful performance will be evaluated through timely risk reduction, SLA adherence, accuracy of records and reporting, quality of stakeholder coordination, audit readiness, and measurable improvement in remediation efficiency and control effectiveness.

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More about this job

Responsibilities

Analyze and coordinate remediation of vulnerabilities across Windows, Linux, Active Directory, middleware, and other legacy infrastructure, including centralized patching and configuration changes. Track remediation against SLAs, troubleshoot deployment issues, coordinate change execution, and validate closure or approved exceptions.

Requirements

Requires strong Windows and Linux administration and patching knowledge, plus working knowledge of Active Directory, middleware, enterprise patching tools, and change management. Candidates should be experienced in interpreting vulnerability evidence and coordinating remediation across distributed infrastructure, with structured troubleshooting, documentation, and stakeholder coordination skills.

Skills

Windows Administration
Linux Administration
Vulnerability Remediation
Patch Management
Active Directory
Middleware
Enterprise Patching Tools
Change Management
Vulnerability Analysis
Infrastructure Troubleshooting
Remediation Planning
SLA Tracking
Technical Validation
Stakeholder Coordination
Documentation
Configuration Management

Visa sponsorship

Not detected in the job text

Keywords

Windows
Linux
Active Directory
Middleware
Legacy Infrastructure
Vulnerability Management
Vulnerability Remediation
Centralized Patching
Enterprise Patching Tools
Patch Deployment
Configuration Remediation
On-Premises Infrastructure
Vulnerability Findings
Security Advisories
Operating Systems
Change Management
Remediation SLAs
Maintenance Windows
Asset Ownership
Service Criticality
Repository And Package Issues
Agent Issues
Reboot Dependencies
Scan Results
Rescans
Technical Validation
Audit Readiness
Risk Reduction
Control Effectiveness

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