Job Description

Salary: $99,100 - 132,100 per year Requirements:

• We need at least 7 years of professional experience in network engineering, network security, or security architecture.
• We require a bachelors degree in Computer Science, Information Technology, Cybersecurity, or equivalent practical experience.
• We are looking for proven experience designing and implementing enterprise network security architectures.
• We need hands-on expertise with Palo Alto firewalls, policy administration, and security controls.
• We require experience with Zero Trust Architecture, network segmentation, and secure network design.
• We need a strong grasp of routing, switching, TCP/IP, BGP, OSPF, SD-WAN, and related enterprise networking technologies.
• We require experience with VPN technologies, ZTNA, NAC, or other secure remote access solutions.
• We need experience supporting security monitoring tools such as IDS/IPS, traffic analysis, or security analytics platforms.
• Preferred: experience with Zscaler, HPE Aruba EdgeConnect, SASE, or Secure Internet Gateway technologies.
• Preferred: experience securing hybrid cloud environments.
• Preferred: knowledge of regulatory, compliance, and risk management frameworks.
• Preferred: experience with automation tools such as Ansible, Python, or infrastructure-as-code solutions.
• Preferred: experience conducting security architecture reviews and risk assessments.
• Preferred: exposure to large-scale global enterprise environments.
• Preferred: industry certifications such as PCNSE, CCNP Security, CCIE, CISSP, or equivalent.
• Preferred: experience collaborating with enterprise architecture and cybersecurity leadership teams.
• 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 design and implement secure enterprise network architectures across hybrid cloud and on-premises environments.
• We lead Zero Trust Architecture initiatives, including network segmentation and micro-segmentation strategies.
• We perform security architecture reviews and provide recommendations that reduce risk and improve resilience.
• We engineer and optimize firewall and perimeter security solutions, including Palo Alto technologies.
• We support secure connectivity through Zscaler, HPE Aruba EdgeConnect, Secure Internet Gateway, and web proxy solutions.
• We design and oversee secure remote access solutions using ZTNA, VPN, and Network Access Control (NAC).
• We monitor, analyze, and enhance network security through IDS/IPS technologies, traffic analysis, and security analytics platforms.
• We lead troubleshooting, root cause analysis, and remediation for complex network and security incidents.

• Ansible
• Aruba
• Cloud
• Firewall
• Support
• Network
• Python
• Security
• TCP/IP
• VPN
• Web

More:

We are McKesson, an impact-driven Fortune 10 healthcare company focused on making quality care more accessible and affordable through our insights, products, and services. We foster a culture where our people can grow, make an impact, and bring new ideas as we shape the future of health for patients, communities, and our teams. This Senior Network Security Engineer role supports our global enterprise network infrastructure and security transformation efforts, with a base pay range of $99,100 to $132,100 and potential for additional compensation such as annual bonus or long-term incentives, depending on performance, experience, skills, and market factors. We offer opportunities that may be remote, hybrid, or office-based, depending on business needs.

last updated 39 week of 2026

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