markham, on network security engineer Jobs – 70 Openings This Week

Lead Security Engineer – Vulnerability & Threat Management
Cognizant —Toronto, ON
- $105,500–$124,000 a year
- Full-time
- Remote
- Administrative experience
- Scripting
- Leadership
- Designated paid holidays
- Disability insurance
3h
Electrical Engineer
AECOM —Thornhill, ON
- $90,000–$130,000 a year
- Full-time
- AutoCAD
- Engineering
- Bachelor's
- Employee stock purchase plan
- Dental care
Signaling Engineering Designer
ALSTOM —Toronto, ON
- $70,000–$85,000 a year
- Full-time
- Microsoft Word
- AutoCAD
- Microsoft Excel
Senior Wayside Civil Manager - Signalling
ALSTOM —Toronto, ON
- $115,000–$150,000 a year
- Full-time
- Engineering
- AI
- Leadership
10d
DD&I and Civil Engineering Specialist
ALSTOM —Toronto, ON
- $90,000–$120,000 a year
- Full-time
- AutoCAD
- Engineering
- Construction
Senior Project Manager - Transportation Planning / BRT
Arup —Toronto, ON
- $130,000–$140,000 a year
- Engineering
- Project management
- Presentation skills
- Paid time off
- Life insurance
Bridge Engineer
Arup —Toronto, ON
- $90,000–$105,000 a year
- Hybrid work
- Engineering
- Master's degree
- Bachelor's
- Paid time off
- Life insurance
Electrical BIM Designer
Arup —Toronto, ON
- $75,000–$100,000 a year
- AutoCAD
- Presentation skills
- Bachelor's
- Paid time off
- Life insurance
Power Transmission Engineering Leader
Arup —Toronto, ON
- $175,000–$240,000 a year
- AutoCAD
- CAD
- Engineering
- Paid time off
- Life insurance
Senior Mechanical Engineering
AECOM —Thornhill, ON
- $130,000–$175,000 a year
- Full-time
- Hybrid work
- Engineering
- Presentation skills
- Bachelor's
- Employee stock purchase plan
- Dental care
Senior Electrical Engineer
AECOM —Toronto, ON
- $120,000–$140,000 a year
- Full-time
- Engineering
- Presentation skills
- Bachelor's
- Employee stock purchase plan
- Dental care
Senior Microsoft 365 Engineer
DXC Technology —Toronto, ON
- $80,000–$86,000 a year
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Excel
- Microsoft Outlook
Quick apply
6h
Senior Crowdstrike Engineer
Cognizant —Toronto, ON
- $105,000–$115,000 a year
- Full-time
- Hybrid work
- Azure
- AWS
- Scripting
- Designated paid holidays
- Dental care
3h

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Electrical Engineer
AECOM —Thornhill, ON
Develop various types of reports including schematic design, design development, building assessment, and design build/assist scope of work documents.
$90,000–$130,000 a year
Senior Mechanical Engineering
AECOM —Thornhill, ON
Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from…
$130,000–$175,000 a year

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network security engineer jobs near markham, on

Lead Security Engineer – Vulnerability & Threat Management

Cognizant -
Toronto, ON

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Job details

Full-time
$105,500–$124,000 a year
3 hours ago

Qualifications

Power BI
Administrative experience
Scripting
ServiceNow
Cybersecurity
Leadership
Communication skills
Python
Network security
Analytics

Full job description

Practice - CIS - Cloud, Infrastructure, and Security Services
About Cloud Infrastructure & Security Services: Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about embracing digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the rapidly evolving needs of the digital era. Our holistic approach delivers key results for our customers by achieving cloud driven modernization and workplace and operational transformation to run the business in a secure environment.
Job Summary
We are seeking a Lead Security Engineer specializing in Vulnerability and Threat Management to drive perimeter security and infrastructure protection initiatives. This role focuses on leading enterprise vulnerability management programs, leveraging Qualys, automation, and security analytics to strengthen the organization’s security posture. You will play a key role in integrating security tools, improving detection capabilities, and delivering actionable insights to stakeholders. The position requires strong technical expertise, leadership skills, and experience in building scalable security solutions.

Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

In this role, you will:

Lead enterprise vulnerability management initiatives with a focus on perimeter and infrastructure security.
Own and administer the Qualys platform, ensuring effective vulnerability scanning, assessment, and remediation tracking.
Implement and manage network security controls and perimeter defense mechanisms.
Develop Python-based automation solutions to streamline vulnerability management workflows and reporting.
Integrate vulnerability data with ServiceNow VR for efficient remediation lifecycle management.
Design and deliver Power BI dashboards to provide real-time visibility into vulnerability posture and trends.
Collaborate with infrastructure, network, and application teams to remediate risks and strengthen security controls.
Provide leadership in threat and vulnerability analysis, root cause investigations, and continuous improvement initiatives.

What you need to have to be considered

8+ years of experience in cybersecurity, including 5+ years working with vulnerability management tools such as Qualys.
Strong expertise in Qualys platform administration and enterprise vulnerability scanning.
Deep knowledge of network security, perimeter protection, and infrastructure security controls.
Proficiency in Python for automation and scripting of security workflows.
Experience with ServiceNow Vulnerability Response (VR) module integration.
Strong Power BI skills for creating security dashboards and analytics reports.
Excellent analytical, problem-solving, and stakeholder communication skills.
Proven ability to lead initiatives and work collaboratively in cross-functional teams.

#LI-EF1
#CB
#Ind123
Applications will be accepted until 12 Jun 2026.

Salary and Other Compensation:
The annual salary for this position is between $[105,500 - 124,000] depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

Medical/Dental/Vision/Life Insurance
Paid holidays plus Paid Time Off
Long-term/Short-term Disability
Paid Parental Leave

Apply Now

Refine Your Search

network security engineer jobs in markham, on

Lead Security Engineer – Vulnerability & Threat Management

Electrical Engineer

Signaling Engineering Designer

Senior Wayside Civil Manager - Signalling

DD&I and Civil Engineering Specialist

Senior Project Manager - Transportation Planning / BRT

Bridge Engineer

Electrical BIM Designer

Power Transmission Engineering Leader

Senior Mechanical Engineering

Senior Electrical Engineer

Senior Microsoft 365 Engineer

Senior Crowdstrike Engineer

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