Enterprise Network Infrastructure Expert

7 hours ago


Oslo, Oslo County, Norway Mastercard Full time

Why Join Mastercard

We are a global technology company that powers economies and empowers people in 200+ countries and territories worldwide. Our purpose is to make payments secure, simple, smart, and accessible.

Job Description

This role involves working as a member of our Global Network Operations team, providing Level two Network support to MasterCard's global network operations command centre. You will be responsible for managing incident and problem queues, performing deep dive packet capture analysis to identify root causes, and working to continuously improve the network environment.

Main Responsibilities

  1. Provide Tier II Network support to the MasterCard business.
  2. Support project teams in infrastructure deliverables.
  3. Perform proactive network analysis to ensure optimal network performance and integrity.
  4. Create or update documentation to support the environment.
  5. Plan, coordinate, and implement changes to the network following our internal change control process.
  6. Produce reports on resolved or progressed issues.
  7. Some on-call responsibility and occasional off-hours work required.

Requirements and Qualifications

You must have strong knowledge levels and experience in a Network Infrastructure Delivery environment. Experience in the payments industry is a plus.

Key Skills

  • Deep understanding of BGP, IBGP, OSPF routing protocols.
  • Knowledge of Arista routers and switches.
  • Cisco routers/switches, ASR, ISR, Nexus 5K, 7K, 6k, 9K, 3540, 3850.
  • Firewalls, Checkpoint, Cisco ASA, Palo Alto.
  • Palo Alto Global Protect, cloud infra upgrades, and VPN issues for remote workers.
  • SDWAN practical exposure in supporting and maintaining SDWAN infrastructure.
  • Aruba WiFi WAN deployments (Aruba Certified, ACSP, ACMA, ACMP, ACDX).
  • Cisco WiFi enterprise global deployments (support experience of ISE, Flex, AP, WLC, Prime, MSE).
  • WAN Communications (MPLS/GRE Tunneling).
  • Working with Telco carriers in delivering & maintaining MPLS/Internet circuits.
  • Automation experience, delivering change or provisioning via automation tools (Glueware, Tufin, Checkpoint CDT, Python scripting, Ansible). Current certifications are highly valued.
  • Supporting Palo Alto Prisma or Cisco AnyConnect remote VPN services.
  • Cisco Fabric Path and VXLAN.

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