About The Company

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.

Qualifications

Minimum requirements for this role include at least 7+ years of professional experience in network engineering, network security, or security architecture roles. A bachelor's degree in Computer Science, Information Technology, Cybersecurity, or an equivalent field is required. Candidates should have proven experience designing and implementing enterprise network security architectures, with expertise in Palo Alto firewalls, policy management,



and security controls.

Strong understanding of Zero Trust Architecture, network segmentation, and secure network design is essential. Candidates should possess a solid knowledge of routing, switching, TCP/IP, BGP, OSPF, SD-WAN, and enterprise networking technologies.

Experience with VPN technologies, ZTNA, NAC, or secure remote access solutions is also necessary. Additionally, familiarity with security monitoring tools such as IDS/IPS, traffic analysis, and security analytics platforms is highly valued.

Responsibilities

- Design and implement secure enterprise network architectures across hybrid cloud and on-premises environments to ensure resilience and scalability.
- Develop and lead Zero Trust Architecture initiatives, including network segmentation and micro-segmentation strategies to enhance security posture.
- Conduct comprehensive security architecture reviews and provide recommendations to reduce risks and improve overall resilience.
- Engineer and optimize firewall and perimeter security solutions, including Palo Alto technologies, to safeguard organizational assets.
- Support secure connectivity through Zscaler, HPE Aruba EdgeConnect, Secure Internet Gateway, and web proxy solutions to ensure seamless remote and hybrid access.
- Design and govern secure remote access solutions leveraging ZTNA, VPN, and Network Access Control (NAC)



to facilitate secure user connectivity.
- Monitor, analyze, and improve network security through IDS/IPS technologies, traffic analysis, and security analytics platforms to identify vulnerabilities and respond swiftly to threats.
- Lead troubleshooting, root cause analysis, and remediation efforts for complex network and security incidents, minimizing downtime and impact.

Perks McKesson offers a competitive compensation package as part of our Total Rewards program. Compensation is determined by factors such as performance, experience, skills, and market conditions. In addition to base pay, employees may be eligible for annual bonuses or long-term incentives. Our benefits package includes comprehensive health insurance, retirement plans, paid time off, professional development opportunities, and wellness programs.

We are committed to supporting our employees' growth and well-being, fostering a collaborative and inclusive work environment. For more information regarding benefits at McKesson, please click here.

Equal Opportunity

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. We are committed to fostering an inclusive environment where all individuals can thrive. If you require a reasonable accommodation during the application process, please contact us via email at the appropriate contact provided on our careers page.

Resumes or CVs sent to this email will not be accepted. We encourage all qualified candidates to apply and join us in shaping the future of healthcare.

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