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Added 17 mins ago
Technical Services Manager
Rentokil Initial
Vancouver, BC
Develop Rentokil Specialist to be the most competent pest control specialist in the industry through in-field coaching and by utilizing current Rentokil programs, including a) Rentokil…
Added 17 mins ago
Technical Services Manager
Rentokil Initial
Surrey, BC
Develop Rentokil Specialist to be the most competent pest control specialist in the industry through in-field coaching and by utilizing current Rentokil programs, including a) Rentokil…
Added 48 mins ago
RI
Technical Services Manager
Rentokil Initial
Surrey, BC
- Full-time
Develop Rentokil Specialist to be the most competent pest control specialist in the industry through in-field coaching and by utilizing current Rentokil programs, including a) Rentokil…
Added 48 mins ago
RI
Technical Services Manager
Rentokil Initial
Vancouver, BC
- Full-time
Develop Rentokil Specialist to be the most competent pest control specialist in the industry through in-field coaching and by utilizing current Rentokil programs, including a) Rentokil…
Added 2 hours ago
S
Senior HSEQ Advisor
Sedgman
Vancouver, BC
- Full-time
…from tender and project establishment through to execution and…
Added 2 hours ago
PC
HES Specialist – Canada (East Region)
Parkland Corporation
Quebec, QC
- Full-time
Le spécialiste SSE soutient les programmes de santé, sécurité et environnement (SSE) au sein des opérations de Sunoco dans la région Est du Canada. Le titulaire du poste travaille en…
Added 2 hours ago
PC
HES Specialist – Canada (East Region)
Parkland Corporation
Quebec, QC
- Full-time
Le spécialiste SSE soutient les programmes de santé, sécurité et environnement (SSE) au sein des opérations de Sunoco dans la région Est du Canada. Le titulaire du poste travaille en…
Added 3 hours ago
S
Product Specialist - Risk and Performance
SimCorp
Toronto, ON
- Full-time
Simcorp is currently seeking a qualified experienced professional to join our Product Specialist team as a full-time employee, based in our New York or Toronto office to support our growth…
Added 3 hours ago
PC
Environmental Compliance Intern - January 2027 (12 or 16 Month Term)
Parkland Corporation
Burnaby, BC
- Other
…Greater Caribbean, and Europe. The Partnership’s midstream operations include an extensive network of approximately 14,000 miles of pipeline and over 160 terminals. This critical…
Added 4 hours ago
BT
Senior Manager Level 3
Baker Tilly Canada
Owen Sound, ON
- Full-time
…strong relationships. From audit and tax to consulting and specialist advisory services, we help clients navigate complexity and seize opportunity with…
Added 4 hours ago
M
Sr. Network Security Specialist
McKesson
Mississauga, ON
- Full-time
McKesson is seeking a Senior Network Security Specialist to design and advance secure, resilient, and scalable network infrastructure across enterprise, hybrid-cloud, and on-premises…
Added 4 hours ago
DC
International Enrolment Operations Coordinator
Douglas College
New Westminster, BC
- Full-time
…Recruitment and Regulatory Compliance, the International Enrolment Operations Specialist liaises with Associate Deans, Directors, faculty Chairs, a variety of internal academic departments,…
Added 4 hours ago
Lead Security Project Technician- Calgary
Kandor
Calgary, AB
Gain hands-on experience across core areas of technology operations including system design, installation, troubleshooting, integration, project coordination, and continuous improvement.…
Added 5 hours ago
PC
Environmental Compliance Intern - January 2027 (12 or 16 Month Term)
Parkland Corporation
Burnaby, BC
- Other
…Greater Caribbean, and Europe. The Partnership’s midstream operations include an extensive network of approximately 14,000 miles of pipeline and over 160 terminals. This critical…
Added 5 hours ago
PC
Environmental Compliance Intern - January 2027 (12 or 16 Month Term)
Parkland Corporation
Burnaby, BC
- Other
…Greater Caribbean, and Europe. The Partnership’s midstream operations include an extensive network of approximately 14,000 miles of pipeline and over 160 terminals. This critical…
Added 5 hours ago
AR
Lease and Rental Administrative Specialist
Altruck Rentals
Guelph, ON
- Full-time
Altruck International Truck Centres is seeking an experienced Lease & Rental Administrative Specialist for our Idealease team to provide key administrative support to our Leasing, Rental,…
Added 5 hours ago
BC
Digital Construction and Innovation Coordinator
Bird Construction
Regina, SK
- Full-time
Digital Construction and Innovation CoordinatorThe Digital Construction Reality Capture & Survey Specialist is a hands-on, field-focused role at the intersection of construction, surveying,…
Added 5 hours ago
BC
Talent Acquisition Specialist
Bird Construction
Mississauga, ON
- Full-time
Talent Acquisition SpecialistReporting into the Manager, Talent Acquisition, the Talent Acquisition Specialist will lead full-cycle recruitment for Bird’s Buildings East division,…
Added 6 hours ago
MD
Director, Oversight and Accountability - State Program Administrator Coordinator
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Saint-Paul, NB · St.-Paul, NB
- Full-time
A Doctorate degree in public policy, business administration/management, nonprofit management, law, or related field may substitute for two (2) years of experience as described.
Added 6 hours ago
HC
Business System Support Specialist
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Toronto, ON · North York, ON
- Full-time
Collaborate cross-departmentally and with Field Teams regarding system gaps, solutions, and implications on operations, in coordination with the Systems Development Coordinator
Added 6 hours ago
SC
Information Technology Support Specialist - 1 yr contract
Southbridge Care Homes
Cambridge, ON
- $55,000 to $60,000 CAD / year
- Full-time
Southbridge Health Care LP is looking for an IT Support Specialist to cover a 1yr contract. This role will report to the Director of IT Operations and provide technical assistance and…
Added 6 hours ago
CH
Commercial Operations Specialist
Calculated Hire
Toronto, ON
- $27 CAD / hour
- Full-time
The Elevate program Deal Specialist role is an early‑career position within BMO’s Commercial and Corporate Lending Operations organization. This role supports the execution and ongoing…
Added 6 hours ago
B
Specialist, Channel Compensation
Bell
Mississauga, ON
- Full-time
…the "why" behind the numbers? We are looking for a dynamic Specialist, Channel Compensation,who pairs strong financial and data skills with a strategic, big-picture mindset. In this role,…
Added 7 hours ago
BS
Customer Operations Representative I
Boston Scientific
Ottawa, ON
- Full-time
The goal of the Customer Support Specialist is to make it easy for healthcare providers to experience the benefits of our products and expertise through hassle-free customer service that…
Added 7 hours ago
LR
Sales & Account Specialist
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Richmond Hill, ON
- Full-time
We are seeking a highly organized, detail-oriented, forward-thinking and proactive Sales & Account Specialist to support the effectiveness and growth of our Sales team. This role serves as…

McKesson

Sr. Network Security Specialist

Mississauga, ON, Canada

$99,100 - $132,100 · Full-time

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Job details

Pay: $99,100 - $132,100
Job type: Full-time
Experience: 7+ years of professional experience in network engineering, including experience with network architecture, security design, or enterprise infrastructure strategy.
Posting language: English
Posted: Oct 30, 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 Specialist to design and advance secure, resilient, and scalable network infrastructure across enterprise, hybrid-cloud, and on-premises environments. In this senior individual-contributor role, you will shape network security architecture, establish technical standards, and reduce attack surfaces through Zero Trust, segmentation, and secure access strategies.

You will partner with Security, Enterprise Architecture, Infrastructure, and business stakeholders to translate operational and regulatory needs into practical security designs. You will also evaluate emerging technologies, lead architecture reviews, strengthen network visibility, and help ensure critical connectivity services remain secure, available, and positioned for business growth.

What You’ll Do

Design secure network architectures for hybrid-cloud and on-premises environments using Zero Trust, network segmentation, micro-segmentation, and secure-by-design principles.

Lead network security architecture reviews, risk assessments, design validation, and the development of reusable security patterns and standards.

Architect and optimize firewall and perimeter security capabilities, including Palo Alto Networks, Zscaler, HPE Aruba EdgeConnect, secure internet gateways, and web proxy solutions.

Design secure workforce and device access solutions using Zero Trust Network Access, VPN technologies, Network Access Control, and identity-aware security controls.

Strengthen threat detection through network traffic analysis, IDS/IPS technologies, security monitoring, telemetry, and security analytics.

Evaluate technologies, proofs of concept, and vendor solutions to inform network security roadmaps and investment decisions.

Partner with Security, Enterprise Architecture, Infrastructure, and operations teams to improve resilience, regulatory alignment, and business continuity.

Provide technical leadership during complex incidents, conduct root cause analysis, and implement sustainable corrective actions and automation.

Basic Requirements

7+ years of professional experience in network engineering, including experience with network architecture, security design, or enterprise infrastructure strategy.

Demonstrated experience designing and implementing secure enterprise networks across hybrid-cloud and on-premises environments.

Hands-on experience with enterprise firewall technologies, including policy design, configuration, administration, and optimization.

Experience applying Zero Trust, network segmentation, micro-segmentation, or secure network design principles.

Experience with routing, switching, and network protocols such as TCP/IP, BGP, OSPF, MPLS, or SD-WAN.
Experience producing architecture diagrams, design standards, technical documentation, or security review findings.

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or an equivalent combination of education and relevant experience.

Preferred Skills/Experience

Experience with Palo Alto Networks, Zscaler, and HPE Aruba EdgeConnect.
Experience with network traffic analysis, IDS/IPS, security analytics, and incident investigation.
Experience with secure access technologies such as ZTNA, VPN, NAC, secure internet gateways, or web proxies.

Knowledge of regulatory, compliance, or security-control frameworks in a regulated enterprise environment.

Experience with cloud networking and cloud security architecture.

Automation or orchestration experience using Ansible, Python, APIs, or infrastructure-as-code practices.

Experience conducting vendor assessments, proofs of concept, capacity planning, and technology roadmap development.

Relevant certifications such as PCNSE, CISSP, CCNP Security, CCIE Security, or vendor-specific cloud or security credentials.

Ability to explain complex security risks and architecture decisions clearly to technical and nontechnical stakeholders.

Travel, Work Environment, and Physical Requirements

Work location, in-office expectations, and travel requirements will be defined based on the approved position and team needs. The role primarily involves computer-based architecture, documentation, collaboration, and technical analysis. Any position-specific physical requirements or accommodations should be included in the final approved posting.

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!

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More about this job

Responsibilities

Design and advance secure, resilient, and scalable network infrastructure across enterprise, hybrid-cloud, and on-premises environments. Lead network security architecture reviews, risk assessments, and the development of reusable security standards.

Requirements

Requires 7+ years of professional experience in network engineering, security design, or enterprise infrastructure strategy. Candidates must have a bachelor's degree in a related field or an equivalent combination of education and experience.

Skills

Network security architecture
Zero Trust
Network segmentation
Firewall administration
Palo Alto Networks
Zscaler
HPE Aruba EdgeConnect
Hybrid-cloud security
Network protocols
Threat detection
IDS/IPS
Security analytics
Identity-aware security
Risk assessment
Technical leadership

Benefits

Annual bonus
Long-term incentive opportunities

Visa sponsorship

Not detected in the job text

Keywords

Network Security
Zero Trust
Hybrid-cloud
Segmentation
Micro-segmentation
Palo Alto Networks
Zscaler
HPE Aruba EdgeConnect
VPN
ZTNA
NAC
IDS/IPS
TCP/IP
BGP
OSPF
MPLS
SD-WAN
Ansible
Python
Infrastructure-as-code
PCNSE
CISSP
CCNP Security
CCIE Security
Network Engineering
Security Architecture
Risk Assessment
Regulatory Compliance
Business Continuity
Automation

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