Jobs in Canada

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Added 3 months ago
PI
Principal RF Modeling & Characterization Engineer
Palitronica Inc.
Waterloo, ON
- $140,000 to $180,000 CAD / year
- Full-time
Palitronica is seeking a Principal RF Modeling & Characterization Engineer to develop the predictive RF models and characterization methods needed to understand and optimize Anvil's RF…
Added 3 months ago
PI
Principal RF Measurement & Calibration Engineer
Palitronica Inc.
Waterloo, ON
- $140,000 to $180,000 CAD / year
- Full-time
Palitronica is seeking a Principal RF Measurement & Calibration Engineer to advance the measurement science behind Anvil's RF characterization platform.
Added 2 months ago
SD
DevOps Engineer - Senior
Symbiotic Digital
ON · Downtown Toronto (CN Tower / King and Spadina / Railway Lands / Harbourfront West / Bathurst Quay / South Niagara / YTZ), Ontario
- Contract
of 3 days per week onsite in Toronto, Ontario
Added 2 months ago
XR
AI Platform & Machine Learning Engineer
XYZ Reality
Remote, Canada
- Full-time
- Remote
We’re looking for an AI Platform & Machine Learning Engineer to join us and help build the infrastructure that will power the next generation of our AI products.
Added 2 months ago
XR
Senior AI - Computer Vision Engineer
XYZ Reality
Remote, Canada
- Full-time
- Remote
We’re looking for a Senior AI / Computer Vision Engineer with deep expertise in 3D computer vision and spatial AI to join the team and help develop the next generation of perception…
Added 2 months ago
SG
Senior Machine Learning Engineer
Scientific Games
Toronto, ON · HR Toronto - Canada
- Full-time
We are looking for a Senior Machine Learning Engineer to help build the foundations of our machine learning platform from the ground up. This role is not about creating a centralized…
Added 2 months ago
M
Sr. Network Systems Engineer, Firewall
McKesson
Mississauga, ON
- Full-time
McKesson is seeking a Senior Network Security Engineer to help design, secure, and evolve our global enterprise network infrastructure. This role serves as a strategic technical leader…
Added 2 months ago
Software Engineer
Capgemini
Mississauga, ON
Successful candidate will be required to work from the client's Ottawa office 3 days per week, with the remaining days worked remotely
Added 2 months ago
S
Senior Ethical Hacker
Stantec
Toronto, ON
- Full-time
Engineer custom Python, Terraform, and Ansible extensions to enable specialized security and
Added 3 months ago
B
Software Engineer - Observability
Baseten
Montreal, QC
- $165,000 to $330,000 CAD / year
- Full-time
Have strong proficiency in at least one of Python, Rust, or Go
Added 3 months ago
VG
[VO2 Canada] -Ingénieur.e IA / LLM – Missions Ponctuelles
VO2 GROUP
Montreal, QC
- Full-time
Added 3 months ago
E
Senior SDET (IC4) - Senior Software Engineer in Test
Emburse
Toronto, ON
- Full-time
Emburse is seeking a skilled and detail-oriented Senior Software Development Engineer in Test (SDET) to join our engineering team. In this role, you will bridge the gap between software…
Added 3 months ago
E
SDET III (IC3) - Software Engineer in Test III
Emburse
Toronto, ON
- Full-time
Emburse is seeking a skilled and detail-oriented Software Development Engineer in Test (SDET) to join our engineering team. In this role, you will bridge the gap between software…
Added 3 months ago
S
Senior Quality Assurance Specialist
Synechron
Toronto, ON · Greater Toronto Area, Canada
- $120,000 to $125,000 CAD / year
- Full-time
We are looking for an Automation Engineer - a developer-first, agentic thinker who will build the intelligent systems that keep Sophis, strategic front-to-back trading platform, running at…
Added 2 months ago
CI
Senior Quality Engineer, Real Assets, Alternative Investment Technology
CPP Investments | Investissements RPC
Toronto, ON
- Full-time
As a Senior Quality Engineer, you will design, build and implement test automation to ensure quality delivery in support of value-add technology solutions and products. You will proactively…
Added 2 months ago
S&
Lead Transmission Line Engineer - Grid
Sargent & Lundy
Calgary, AB
- Full-time
Added 2 months ago
S&
Senior Underground Transmission Line Engineer 2 - Grid
Sargent & Lundy
Calgary, AB
- Full-time
This position is based on a hybrid work schedule and will require in-office work 3 days per week
Added 2 months ago
S&
Lead EHV Transmission Line Engineer 2 - Grid
Sargent & Lundy
Calgary, AB
- Full-time
This position is based on a hybrid work schedule and will require in-office work 3 days per week
Added 2 months ago
S&
Senior Transmission Line Engineer - Grid
Sargent & Lundy
Calgary, AB
- Full-time
Added 2 months ago
S&
Lead Underground Transmission Line Engineer 2 - Grid
Sargent & Lundy
Calgary, AB
- Full-time
Added 3 months ago
Q
Staff Engineer, Physical Design/Implementation
Qualcomm
Toronto, ON
- Full-time
Strong scripting and automation skills (Python, Tcl)
Added 3 months ago
OT
Testeur(euse) de Systèmes Intégrés / Integrated Systems Tester
OPAL-RT TECHNOLOGIES India Pvt. Ltd.
Montreal, QC
- Other
En raison de la nature du rôle, ce poste requiert une présence au bureau de 5 jours par semaine
Added 3 months ago
A|
Forward-Deployed Engineer
arosplatforms | AI Consulting & Services
Toronto, ON
- Full-time
4+ years shipping software, with strong full-stack ability (TypeScript + Python).
Added 6 months ago
RI
Silicon Photonics Designer and Tester Engineer
RANOVUS Inc.
Ottawa, ON
- Other
We are seeking a highly skilled, independent, and detail-oriented Silicon Photonics Designer and Tester Engineer to join our team. The successful candidate will have a Master or PhD degree…
Added 3 months ago
F
Data Scientist (ML Engineer)
Flywheel
Toronto, ON
- Full-time
As a Data Scientist (ML Engineer), on the Perpetua team, you will design, experiment with, and ship the machine learning systems that decide how thousands of brands spend their advertising…

McKesson

Sr. Network Systems Engineer, Firewall

Mississauga, ON, Canada

$99,100 - $132,100 · Full-time

Apply on mckesson.wd3.myworkdayjobs.com About employer

Applications open in a new tab.

Job details

Pay: $99,100 - $132,100
Job type: Full-time
Experience: 7+ years of professional experience in network engineering, network security, or security architecture roles.
Posting language: English
Posted: Aug 25, 2026

Original job description

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care.

What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you.

About the Role

McKesson is seeking a Senior Network Security Engineer to help design, secure, and evolve our global enterprise network infrastructure. This role serves as a strategic technical leader responsible for building resilient, scalable, and secure network architectures that support business growth, regulatory compliance, and digital transformation initiatives.

The ideal candidate brings deep expertise in network security architecture, Zero Trust principles, firewall technologies, and enterprise networking. You will partner closely with Security, Infrastructure, Cloud, and Enterprise Architecture teams to strengthen McKesson's security posture while enabling reliable connectivity across hybrid environments.

What You'll Do

Design and implement secure enterprise network architectures across hybrid cloud and on-premises environments.

Develop and lead Zero Trust Architecture initiatives, including network segmentation and micro-segmentation strategies.

Conduct security architecture reviews and provide recommendations that reduce risk and strengthen resilience.

Engineer and optimize firewall and perimeter security solutions, including Palo Alto technologies.

Support secure connectivity through Zscaler, HPE Aruba EdgeConnect, Secure Internet Gateway, and web proxy solutions.

Design and govern secure remote access solutions leveraging ZTNA, VPN, and Network Access Control (NAC).

Monitor, analyze, and improve network security through IDS/IPS technologies, traffic analysis, and security analytics platforms.

Lead troubleshooting, root cause analysis, and remediation efforts for complex network and security incidents.

Minimum Requirements

7+ years of professional experience in network engineering, network security, or security architecture roles.

Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or equivalent experience.

Experience designing and implementing enterprise network security architectures.

Expertise with Palo Alto firewalls, policy management, and security controls.

Experience with Zero Trust Architecture, network segmentation, and secure network design.

Strong understanding of routing, switching, TCP/IP, BGP, OSPF, SD-WAN, and enterprise networking technologies.

Experience with VPN technologies, ZTNA, NAC, or secure remote access solutions.

Experience supporting security monitoring tools including IDS/IPS, network traffic analysis, or security analytics platforms.

Preferred Experience

Experience with Zscaler, HPE Aruba EdgeConnect, SASE, or Secure Internet Gateway technologies.

Experience securing hybrid cloud environments.

Knowledge of regulatory, compliance, and risk management frameworks.

Experience with automation tools such as Ansible, Python, or infrastructure-as-code solutions.

Experience conducting security architecture reviews and risk assessments.

Exposure to large-scale global enterprise environments.

Industry certifications such as PCNSE, CCNP Security, CCIE, CISSP, or equivalent.

Experience collaborating with enterprise architecture and cybersecurity leadership teams.

Travel, Work Location & Physical Requirements

Limited travel may be required based on business needs.

This role may be remote, hybrid, or office-based depending on business requirements.

Ability to participate in extended periods of computer-based work and virtual collaboration sessions.

We are proud to offer a competitive compensation package at McKesson as part of our Total Rewards. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson's pay philosophy, and pay will always be compliant with any applicable regulations. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered. For more information regarding benefits at McKesson, please click here.

Our Base Pay Range for this position

$99,100 - $132,100

McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:

McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.

McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.

McKesson job postings are posted on our career site: careers.mckesson.com.

McKesson is an Equal Opportunity Employer

McKesson provides equal employment opportunities to applicants and employees, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other legally protected category. For additional information on McKesson’s full Equal Employment Opportunity policies, visit our Equal Employment Opportunity page.

McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, please contact us by sending an email to (United States) Disability_Accommodation@McKesson.com or (Canada) Accessibility@mckesson.ca. Resumes or CVs submitted to this email box will not be accepted.

Join us at McKesson!

Apply on mckesson.wd3.myworkdayjobs.com About employer

More about this job

Responsibilities

The Senior Network Security Engineer will design and evolve global enterprise network infrastructure while implementing Zero Trust and perimeter security strategies. This role involves collaborating with cross-functional teams to optimize firewall solutions and ensure robust security across hybrid cloud and on-premises environments.

Requirements

Candidates must have at least 7 years of professional experience in network engineering or security architecture and a bachelor's degree in a relevant field. Expertise in Palo Alto firewalls, Zero Trust principles, and core networking protocols like BGP and OSPF is required.

Skills

Network security
Firewall management
Palo Alto
Zero Trust Architecture
Network segmentation
Routing
Switching
TCP/IP
BGP
OSPF
SD-WAN
VPN
ZTNA
NAC
IDS/IPS
Security analytics

Benefits

Annual bonus
Long-term incentive opportunities

Visa sponsorship

Not detected in the job text

Keywords

Network Engineering
Network Security
Palo Alto
Zero Trust
Hybrid Cloud
Firewall
Zscaler
HPE Aruba EdgeConnect
ZTNA
VPN
NAC
IDS/IPS
BGP
OSPF
SD-WAN
Ansible
Python
Infrastructure-as-code
PCNSE
CCNP Security
CCIE
CISSP
Cybersecurity
Risk Management
Compliance
Network Segmentation
Security Architecture
Enterprise Networking
Traffic Analysis
SASE

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Work requirements

Jobs in Canada