Lead, Network Systems Engineering

McKesson•Irving, TX

About The Position

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. Lead Network Engineer – Design & Engineering Current Need McKesson is seeking a Lead Network Engineer to join the Network Design and Engineering team. This role serves as a technical authority and handson leader, responsible for designing, validating, and delivering enterprise network solutions that are secure, scalable, and operationally resilient. The Lead Network Engineer partners closely with engineering peers, operations, security, cloud teams, and delivery partners to ensure network solutions are wellarchitected, thoroughly tested, documented, and productionready. This role is critical to sustaining the Network Design and Engineering team’s reputation as a trusted advisor to McKesson business units and technology partners.

Requirements

Typically 10+ years of experience in network engineering, infrastructure, or technical network service
Advanced experience architecting, implementing, and troubleshooting complex enterprise networks
Proven technical leadership on largescale network initiatives in enterprise environments
Deep expertise in LAN, WAN, routing, switching, wireless, firewalls, and VPN technologies
Strong experience with detailed network design, validation, and documentation
Handson experience applying automation and scripting within softwaredefined networks
Familiarity with public cloud networking constructs (AWS, Azure, GCP)
Experience working with vendordelivered and partnersupported network solutions
Solid understanding of delivery lifecycles, change management, and operational readiness
Minimum 2 years’ experience with automation, software development, or virtualization technologies

Nice To Haves

Experience in healthcare, distribution, or software environments is a plus
Strong technical curiosity with the ability to rapidly learn and evaluate new technologies
Excellent verbal and written communication skills, including technical and executive audiences
Demonstrated technical thought leadership and innovation
Strong interpersonal skills to build trust across engineering, operations, and business teams
Proven ability to exercise sound professional judgment and securityfirst engineering practices
Experience supporting alwayson, highly available enterprise environments
Strong understanding of how people, systems, and processes behave during incidents or crisis situations
Track record of working across organizational boundaries to resolve complex, highimpact technical challenges

Responsibilities

Act as a technical lead for the design and delivery of enterprise network infrastructure initiatives
Design, test, and document complex network solutions aligned to business, security, and operational requirements
Lead implementation of network changes, upgrades, and expansions, ensuring stability and minimal operational impact
Provide deep technical oversight during delivery, validating designs, configurations, and deployment approaches
Identify technical risks and design gaps early, and drive engineeringled mitigation strategies
Architect and deliver solutions leveraging softwaredefined (SDx) principles and modern network architectures
Work across technologies including Aruba (CX), Cisco (Viptela, Meraki), InfoBlox, and Palo Alto
Serve as a lasttier escalation engineer, providing asrequired afterhours support for critical incidents
Analyze complex and diverse environments, developing repeatable, standardized solutions
Mentor and guide engineers, raising technical depth, design rigor, and operational readiness across the team
Collaborate closely with security, cloud, infrastructure, and operations teams to ensure holistic and secure designs
Participate in technical reviews, design forums, and stakeholder discussions, clearly articulating risks, tradeoffs, and recommendations