Document controller Jobs in Mississauga, ON

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.

Sr. Director, Network Security Engineering

Position Summary
The Sr. Director, Network Security Engineering is a visionary leader responsible for safeguarding the confidentiality, integrity, and availability of McKesson’s IT infrastructure. This role drives the development and execution of enterprise-wide network security strategies, collaborating across Core, Edge Cyber, and IT Operations to ensure robust protection against evolving threats. The director partners with business and technology stakeholders to define, document, and implement security standards, architectures, and best practices, while continuously optimizing infrastructure performance and resilience.

Key Responsibilities

Strategic Leadership & Vision

• Lead and inspire a team of architects and engineers to deliver scalable, flexible, and cost-effective enterprise network and firewall security solutions.

• Shape and communicate a strategic roadmap for network security, anticipating future technology requirements and aligning them with organizational goals.

• Foster a culture of innovation, continuous improvement, and proactive risk management within the security engineering function.

• Oversee and manage the network security budget for each fiscal year, aligning resource allocation with market trends, industry benchmarks, and evolving threat landscapes to ensure optimal investment in infrastructure resilience and compliance.

Architecture & Solution Delivery

• Design and implement robust, future-ready network security architectures that meet performance, scalability, and compliance requirements.

• Integrate Zero Trust principles, micro-segmentation, and identity-based controls across hybrid and multi-cloud environments (AWS, Azure, Google Cloud, OCI).

• Oversee the deployment and management of advanced security technologies, including firewalls (Palo Alto, F5), Zscaler (ZIA & ZPA), Network Access Control (NAC), and intrusion prevention systems.

Collaboration & Stakeholder Engagement

• Partner with IT, business, and cybersecurity teams to understand needs, define objectives, and deliver solutions that support enterprise priorities.

• Build strong relationships with leadership and cross-functional teams, communicate strategic recommendations, and provide technical guidance.

• Coordinate with peers to define cases, goals, and architectures that support business transformation and operational excellence.

Operational Excellence

• Optimize network and firewall performance, ensuring minimal downtime and maximum efficiency.

• Lead infrastructure security evaluations, testing, and incident response, driving continuous improvement in security posture.

• Troubleshoot and resolve complex network and firewall issues, leveraging advanced diagnostics and automation.

Minimum Requirements
10+ years of professional experience with at least 5 years in a supervisory or management.

Governance & Compliance

• Develop, document, and enforce IT infrastructure security standards, policies, and procedures.

• Ensure alignment with regulatory requirements, industry best practices, and internal audit findings.

• Manage inventory and policy standards for enterprise firewalls, VPNs, and network devices.

Talent Development & Mentorship

• Provide technical leadership, coaching, and mentorship to team members, fostering professional growth and knowledge sharing.

• Champion diversity, equity, and inclusion within the security engineering organization.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field; advanced degree is a plus.

• 10+ years of progressive experience in network security architecture and engineering, including leadership roles.

• 7+ years leading enterprise network and firewall security architecture, integrating LAN/WAN, VPN, and cloud solutions.

• Deep expertise in network protocols, routing, switching, firewalls, Zscaler, NAC, and cloud security platforms.

• Proven track record implementing Zero Trust architectures and advanced security controls.

• Experience with automation and orchestration (Python, Terraform, Ansible) is highly desirable.

• Relevant certifications (e.g., CISSP, PCNSE, ZCCP, CCSP, Azure Security) are a plus.

• Exceptional problem-solving, communication, and interpersonal skills; ability to thrive under pressure and drive results in a dynamic environment.

Physical requirement - In office requirement, We are Flex and Connect with 2 days a week in office

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

$150,800 - $251,300

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 welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process. If you require accommodation please contact us by sending an email to Disability_Accommodation@McKesson.com.

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