Mastercard
Lead Network Engineer
MastercardIreland2 days ago
Full-timeRemote FriendlyInformation Technology
Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title And Summary

Lead Network Engineer

Overview Lead Network Operations Engineer

Mastercard is seeking a seasoned Lead Network Operations Engineer to join its Global Network Operation support team. In this senior role, you will lead Level 2+ network support for our application teams and global command centre, driving incident resolution, root cause analysis, and continuous network optimisation efforts.

You’ll apply deep technical expertise in Check Point firewalls, F5 load balancers, Routing and Switching to enhance network performance, reliability, and security. Key responsibilities include packet-level diagnostics, supporting strategic infrastructure projects, mentoring junior engineers, and participating in the out-of-hours on-call rotation.

This is a high-impact lead role where you’ll influence Mastercard’s global network operations thinking while fostering operational excellence and team development.

Role

  • Perform Tier II Network support to the MasterCard business.
  • Provide Network support to project teams in support of infrastructure deliverables.
  • Perform proactive network analysis to ensure network integrity and performance is in an optimal state.
  • Create or update documentation to support the environment as required.
  • Plan, coordinate and implement changes to the network following our internal change control process.
  • Produce reports in support of any issues resolved or progressed by you.
  • Some on-call responsibility and occasional off hours work required.
  • Mentor more junior members of the team.


All About You

  • Have a track record of leading technical solutions to problems involving cross team collaboration.
  • Demonstrated knowledge levels and experience operating in an enterprise class Network Infrastructure environment. Experience in payments industry is a plus.
  • Strong Communication and documentation skills.
  • Strong analytical/problem solving skills with troubleshooting experience in a pressured environment.
  • Good 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, fortigate, Cisco ASA and Palo Alto.
  • Strong F5 Load balancer experience.
  • Palo Alto Global Protect, supporting 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).
  • WAN Communications (MPLS/GRE Tunneling)
  • Knowledge of working with Teclo carriers in the delivery & maintenance of MPLS/Internet circuits.
  • Automation experience, delivering change or provisioning via the use of automation tools (Glueware, Tufin, Checkpoint CDT, Python scripting, Ansible or others).
  • Supporting Palo Alto Prisma or Cisco AnyConnect remote VPN services.
  • Knowledge of cisco Fabric Path and VXLAN.
  • Strong Communication and documentation skills.
  • Strong analytical/problem solving skills with troubleshooting experience in a pressured environment.
  • Experience in operating under a global follow the sun model.
  • Must be able to work individually and as part of a team.
  • Flexible and Self-motivated.
  • Willing and able to adapt to legacy and new technologies.
  • Fluent in English.


ALL About You Desired

  • Experience in Payments / Fintech industry in support of authorization traffic or file transmissions.
  • Experience in working with an operations command center or network operations center in support of Incident calls.
  • Basic UNIX\Linux scripting skills.
  • Use of a variety of network monitoring tools.
  • Experience of Batch\job scheduling applications (TWS).
  • Knowledge of tandem \ mainframe technology.
  • Knowledge and experience of using Esxi based solutions.


Corporate Security Responsibility

 All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard’s security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Key Skills

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