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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. Network Architect Fully Remote, Hybrid or Onsite: Richmond, VA, USA - 9954 Mayland Drive About Medical-Surgical McKesson Medical-Surgical (MMS) is a subsidiary and publicly reported segment of the McKesson Corporation. MMS distributes medical-surgical supplies, pharmaceuticals, diagnostic equipment and supplies, along with other solutions and services to virtually every type of healthcare setting and provider outside of the traditional hospital. These markets - often referred to as Alternate Care or Non-Acute Care - include physician offices, surgery centers, long-term care providers, laboratories, home health and hospice agencies, health systems, government facilities and online marketplaces and retailers. Alternate Care markets are growing rapidly and MMS is proud to be a leader in this space. With a team of approximately 8,000 employees, a network of 15 distribution centers and approximately 900 delivery vehicles, we partner with more than 2,200 leading manufacturers and serve over 200,000 customer accounts across the U.S. Our catalog includes more than 280,000 SKUs of branded and private-label medical-surgical products - from bandages to specialty pharmaceuticals and COVID-19 tests. Looking Ahead: A New Chapter for MMS McKesson has announced its intent to separate MMS into an independent company - an exciting evolution that builds on MMS's strong foundation and proven leadership in the Alternate Care space. As a standalone company, MMS would be positioned to unlock new opportunities to innovate, grow and lead with even greater agility and focus. We will also continue to be one of the largest medical-surgical distributors in the U.S., with over $11B in annual sales. This separation would accelerate our mission and empower us to shape a future defined by customer-centricity, bold thinking and operational excellence. For job seekers, it's a unique moment to join a team that's already making a meaningful impact and leading the way in shaping the future of healthcare delivery in Alternate Care settings - with even greater opportunity ahead as we prepare to become an independent company. Key Responsibilities: Network Discovery & Dependency Mapping
Conduct structured discovery of all network environments in scope - distribution centers, corporate campuses, warehouse facilities, device networks, and hybrid cloud interconnects before any migration wave begins. Inventory all physical network infrastructure (switches, routers, firewalls, load balancers, wireless controllers, OT/IoT device networks) across every site in scope. Map application and service dependencies on the existing network topology identifying which workloads, integrations, and operational systems have hard dependencies on current addressing, routing, or latency characteristics. Document current-state VLAN structure, IP addressing schemes, routing protocols, WAN/MPLS topology, and site-to-site connectivity in sufficient detail to design against. Identify and flag all latency-sensitive or operationally critical network paths (ERP transactions, warehouse device polling, distribution operations) that require special handling during migration. Produce dependency maps and site network profiles as formal migration inputs, not informal notes.
Future-State Architecture Design
Design the target-state network architecture for New Company, aligned to a GCP-centric, cloud-first operating model, covering all site types in scope. Design the GCP network foundation: VPC topology, Shared VPC strategy, Cloud Interconnect and Cloud VPN architecture for DC and campus connectivity, DNS (Cloud DNS), and global load balancing. Architect SD-WAN or cloud-managed WAN strategy to replace MPLS dependencies and connect distribution centers, campuses, and warehouse sites to GCP. Define network segmentation strategy for warehouse and distribution center OT/IoT device networks including separation of operational device traffic from corporate and cloud-bound traffic. Design wireless network architecture for warehouse and campus environments, including device density planning for handheld scanners, printers, and automation equipment. Produce architecture decision records (ADRs) for all significant design choices, establishing documented rationale that the team can rely on post-transformation.
Migration Wave Planning
Translate discovery and architecture outputs into a structured, sequenced migration program with clear wave definitions, dependencies, and go/no-go criteria. Define migration waves that sequence sites by risk, complexity, and business criticality ensuring distribution centers and warehouse operations are migrated with appropriate safeguards. Build wave plans that include scope definition, dependency pre-requisites, rollback procedures, communication requirements, testing protocols, and cutover windows. Identify and resolve cross-wave dependencies particularly where network changes at one site affect application or integration behavior at another. Coordinate wave planning with broader carve-out program workstreams: ERP (JDE) migration, integration platform migration (MuleSoft to Spring Boot), and infrastructure separation from McKesson. Maintain a living migration tracker visible to program leadership not a deck updated monthly, but a real-time source of truth on wave status, risks, and blockers.
Cutover Execution - Distribution Centers, Campuses & Warehouses
Lead hands-on cutover execution for each migration wave including on-site presence at distribution centers and warehouse facilities where operational continuity is non-negotiable. Lead pre-cutover readiness reviews: confirm all dependencies resolved, rollback procedures tested, communication bridges established, and operations teams briefed. Execute network cutovers during defined maintenance windows including VLAN changes, routing transitions, firewall policy migrations, WAN cutover, and DNS transitions. Manage on-site network cutovers at distribution centers and warehouse facilities, coordinating directly with operations teams, shift supervisors, and WMS owners to minimize operational disruption. Execute post-cutover validation checklists confirming connectivity, application reachability, device polling, latency benchmarks, and monitoring coverage before declaring success. Own rollback execution when cutover criteria are not met with the judgment to call it and the preparation to execute it cleanly.
5. Device Networks - Warehouses & Operational Technology
Warehouse and distribution center environments include dense device networks (barcode scanners, label printers, conveyor controllers, RF guns, automation systems) that require specialized handling during migration. Understand and account for device network requirements: DHCP reservation management, RF channel planning, device authentication (802.1X or MAC-based), polling frequency, and latency tolerance. Coordinate device network changes with operations and WMS teams no device network change is executed without operations sign-off. Validate all operational devices post-cutover: scanner connectivity, print server reachability, WMS communication, and any PLC or automation system dependencies.
Hybrid Cloud Connectivity - GCP Integration
Establish and validate the network connectivity between NewCo's physical sites and GCP, ensuring ERP, integration, and application workloads perform to SLA from all locations. Configure and validate Cloud Interconnect or Cloud VPN for each site type, with appropriate bandwidth provisioning and redundancy for business-critical locations. Define and enforce QoS policies for ERP (JDE) and latency-sensitive application traffic across the WAN and site networks. Work with the Integration Architecture team to validate that Spring Boot API and MuleSoft integration traffic flows correctly through the new network topology during and after migration. Implement network observability: VPC Flow Logs, Cloud Monitoring, Network Intelligence Center, and on-premises monitoring integration so production issues are detectable from day one.
Documentation & Knowledge Transfer
Maintain comprehensive current-state and target-state network documentation for all sites in scope as a professional standard, not an afterthought. Produce runbooks for all standard operational procedures (VLAN changes, firewall rule updates, device onboarding, WAN failover) to support steady-state operations post-transformation. Transfer knowledge to the NewCo operations team as each wave completes this role builds toward handing off a well-documented, well-understood network.
Minimum Requirements
Additional skills:
Proven track record leading network cutovers at physical sites distribution centers, warehouses, manufacturing facilities, or equivalent operationally sensitive environments. Direct experience with network discovery and dependency mapping at scale not just documenting what you built, but reverse-engineering what someone else built and mapping what depends on it. Experience designing and executing migration wave plans in enterprise carve-out, M&A, or large-scale transformation programs is highly desirable. Hands-on experience with GCP networking (VPC, Cloud Interconnect, Cloud VPN, Cloud DNS, Cloud Armor) or equivalent cloud networking with demonstrated ability to transition to GCP. Experience with SD-WAN platforms (Cisco, Aruba) and cloud-managed WAN transformation. Equinix global data center offering Physical Colocation. Warehouse or distribution center networking experience including RF/wireless planning, device network management, and coordination with WMS and operations teams.
Technical Skills:
Network Protocols: BGP, OSPF, EIGRP, MPLS, VRF, HSRP/VRRP, STP, 802.1Q, QoS, IPSec - expert-level troubleshooting and design capability. Physical Site Networking: Campus switching (Cisco, Juniper, Aruba), wireless (802.11ax and prior), structured cabling, rack/stack and field installation. Cloud Networking: GCP VPC, Shared VPC, Cloud Interconnect, Cloud VPN, Cloud Router (BGP), Cloud NAT, Cloud DNS, VPC Service Controls, Network Intelligence Center. Firewall & Security: Palo Alto, Cisco ASA/FTD, or equivalent - policy migration, zone-based segmentation, NAT, and Zero Trust network access patterns. Infrastructure as Code: Terraform for network resource provisioning; Git-based change management for network configurations Monitoring & Observability: Network monitoring platforms (SolarWinds, PRTG, Grafana, or equivalent), VPC Flow Logs, Cloud Monitoring, packet capture and analysis (Wireshark). Wireless & Device Networks: RF survey and design, DHCP/DNS for dense device environments, 802.1X, MAC authentication, device onboarding at scale
Education and Certifications:
Bachelor's or master's degree in computer science, Data Science, Information Technology, or a related field OR equivalent experience CCNP Enterprise or CCIE Enterprise Infrastructure-strongly preferred, a clear differentiator for this role. Google Professional Cloud Network Engineer-required or to be obtained within 6 months of start. SD-WAN vendor certification (Cisco ENSDWI, VMware SD-WAN, or equivalent)-desirable. Project Management Professional (PMP) or equivalent-desirable for wave planning and program coordination responsibilities.
Work Environment & Travel
Career Level - P4 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, pleaseclick here. Our Base Pay Range for this position
$109,300 - $182,100
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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. Join us at McKesson!
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McKesson Corporation
Mar 10, 2026