Lead Network Engineer (Tier 3 Network Support)
The Global Network Engineering team is responsible for supporting and assisting in the design, architecture, implementation, security, and ongoing support of large‑scale, multi‑site, multi‑vendor MPLS network environments. As a Lead Network Engineer on the Tier 3 Network support team, you will prepare high‑level (HLD) and low‑level (LLD) network designs for existing Mastercard network environments and new greenfield sites. You will coordinate with internal stakeholders, engineering teams, and external vendors/service providers to ensure the network is designed, implemented, validated, and fully ready for go‑live. The role involves end‑to‑end ownership across solution design, implementation guidance, testing, and operational readiness.