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Added 1 min ago
Senior Forward-Deployed AI Engineer 1
Bell
Toronto, ON
As a Senior Forward-Deployed AI Engineer, you will own engagements end-to-end: scoping the problem, choosing the right approach across automation, classical ML, and GenAI/agents, and taking…
Added 16 mins ago
AA
Spécialiste de la chaîne d'approvisionnement et Qualité / Supply Chain Quality Specialist (SCQS)
Airbus Aircraft
Montreal, QC
- Full-time
…publique entre Laval (station de métro Montmorency) et Mirabel et application de…
Added 16 mins ago
BM
Commissioning Manager - Ontario
Barton Malow
Cambridge, ON
- Full-time
…the Barton Malow family of companies. Our services include Engineer-Procure-Construct (EPC) Construction, Design-Build, Integrated Project Delivery, General Contracting, and Specialty…
Added 31 mins ago
CI
Project Manager
Cambium Inc.
Peterborough, ON
- Full-time
…trust our people to care for themselves and each other - to support both you and if applicable, your…
Added 31 mins ago
IT Support Technician III / Senior Technician
Cosmetic Physician Partners
Montreal, QC
RMM and MDM: Windows and macOS builds, patching, policy, application packaging, remote support, and agent health across the fleet. Printing, scanning and peripherals sit here too.
Added 31 mins ago
B
Technical Specialist II
BMO
Toronto, ON · SCC
- Full-time
We are looking for a highly skilled DevOps/Site Reliability Engineer (SRE) to join one of our high-performing, mission-critical technology teams. This role offers the opportunity to work on…
Added 31 mins ago
A
Senior Machine Learning Engineer
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
We are looking for an exceptional Machine Learning Engineer to design, build, operationalize, and scale production-grade AI/ML and Agentic AI systems at Autodesk For Go-to-market…
Added 46 mins ago
CI
Senior Microsoft 365 & Unified Communications Engineer
Compugen Inc
Surrey, BC
- Full-time
Management and Support of All Applications in Microsoft Endpoint Manager and creation and monitoring of Application protection policies and Application configuration policies.
Added 46 mins ago
RC
SRE/ Platform Engineer
Realtek Consulting LLC
Toronto, ON
- Contract
Seeking a hands-on engineer to drive the reliability automation and modernization of the enterprise JAMS workload automation platform.
Added 46 mins ago
D
Senior Product Engineer II - Backend
Docebo
Toronto, ON
- $123,400 to $164,500 CAD / year
- Full-time
As a Senior Product Engineer II, you bring deep expertise in backend engineering alongside strong working competency across the broader stack. You own complex features and technical…
Added 46 mins ago
IE
Contract Opportunity: Piping Stress Engineer
IFEL Engineering
Burnaby, BC
- Full-time
IFEL is seeking an experienced Piping Stress Engineer to support a compressed air piping project on an independent contract basis.
Added 46 mins ago
A
Senior / Staff Data Engineer (BI) – CEG Team
Agoda
Vancouver, BC
- Full-time
As a Senior/Staff Data Engineer in CEG (Customer Experience Group), you will help design, build, and maintain the data and software foundations that power how CEG Business users serves…
Added 47 mins ago
Dev Ops Engineer (Student Position)
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON
Applicants are required to submit both their resume and their most recent unofficial transcript as part of the application process.
Added 47 mins ago
SA
Development Engineer / Development Engineering Specialist
Stelia Aerospace North America Inc
Lunenburg, NS
- Full-time
To provide Engineering support, direction and guidance in the setup and implementation of new product(s)/process(es) and revisions or modifications to existing product(s)/process(es).
Added 47 mins ago
Forward Deployed Engineer, Application & Infrastructure - Technology Strategy & Transformation
EY
Toronto, ON
Lead or support application modernization, cloud transformation, platform engineering, and infrastructure-modernization initiatives.
Added 47 mins ago
Forward Deployed Engineer, AI - Technology Strategy & Transformation
EY
Toronto, ON
Collaborate with clients to identify high-value opportunities for generative AI, intelligent automation, and AI-enabled application modernization.
Added 47 mins ago
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Power Systems Engineer III
Qualus
Bolton, ON
- Full-time
Power your future with Qualus as a Power Systems Engineer III. The Engineer III is responsible for providing technical and engineering support for field work, and office work performing…
Added 47 mins ago
GM
Manufacturing Controls Engineer
General Motors
St. Catharines, ON
- Full-time
As part of the application process, Artificial Intelligence will be used in the hiring process for this role
Added 59 mins ago
RI
Integration Engineer
Remarcable, Inc.
Vancouver, BC
- $80,000 to $100,000 CAD / year
- Full-time
Remarcable is seeking a resourceful and talented Integration Engineer to join our Vancouver-based team and contribute to the ongoing growth and development of our platform. As Remarcable’s…
Added 59 mins ago
R
Software Engineer
RBC
Toronto, ON
- Full-time
You will be a full stack developer on a team focused on web applications that support internal and external RBC users. This role supports the modernization and enhancement of enterprise…
Added 1 hour ago
A
Senior / Staff Data Engineer (BI) – CEG Team
Agoda
Montreal, QC
- Full-time
As a Senior/Staff Data Engineer in CEG (Customer Experience Group), you will help design, build, and maintain the data and software foundations that power how CEG Business users serves…
Added 1 hour ago
C
RCCA Lead -Root Cause Corrective Action Lead
Cyient
Longueuil, QC
- Full-time
…Notebooks(Jypeter/Zappelin) (NA), Node js (NA), Node (NA), Network Inventoy Data Support Tools -Internal Digitization & Data Quality Tools (NA), Netstat (NA), Net MAP (Client Applications)…
Added 1 hour ago
HB
Production Support - Elite Quant Fund- Up to $180,000 CAD + Bonus
Hunter Bond
Montreal, QC
- Full-time
My client is hiring a Production Support Engineer to support mission-critical front office trading systems in a fast-paced, high-performance environment where uptime, speed, and reliability…
Added 1 hour ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
…attracted to bold goals, believe in uncompromising honesty, support mutual respect, care about environmental responsibility, have a passion for excellence and a desire to make a positive…
Added 1 hour ago
MC
Senior Mechanical Engineer
MatchBox Consulting Group
Burnaby, BC
- Contract
MatchBox Consulting Group is seeking a Senior Mechanical Engineer – Diesel Generation to support one of British Columbia’s largest utility providers. This role will support a growing…

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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