Senior Enterprise Operations Engineer

About Mastercard

Mastercard operates worldwide, enabling digital payments in over 200 countries and territories. Our mission is to build a sustainable economy that benefits all by providing secure, simple, and innovative payment solutions through advanced technology, partnerships, and networks.

Role Overview

We are seeking a Senior Enterprise Operations Engineer to join the Global Network Operations team. This leadership role focuses on advanced Level 2+ network support, including incident management, root cause analysis, network optimization, and mentoring junior engineers. The ideal candidate will utilize expertise in Check Point firewalls, F5 load balancers, routing and switching technologies to maintain and enhance network security and performance.

Key Responsibilities

• Deliver Tier II network support to Mastercard's business units.
• Collaborate with project teams to support infrastructure-related tasks.
• Conduct proactive network assessments to maintain optimal network performance and integrity.
• Develop and update technical documentation for network environments.
• Plan and execute network changes adhering to internal change control protocols.
• Generate reports related to resolved or ongoing network issues.
• Participate in on-call schedules and occasionally work outside normal hours.
• Guide and support junior engineering staff.

Qualifications and Skills

• Proven leadership in resolving technical challenges involving cross-team coordination.
• Demonstrated experience with enterprise-class network infrastructure; payments industry experience is advantageous.
• Excellent communication and documentation capabilities.
• Strong analytical and problem-solving abilities under pressure.
• Proficient understanding of networking protocols including BGP, IBGP, and OSPF.
• Hands-on experience with Arista routers and switches in data center environments.
• Expertise with Cisco routers and switches.
• Familiarity with firewalls such as Check Point, Fortigate, and Palo Alto.
• Experience supporting Palo Alto GlobalProtect, cloud infrastructure upgrades, and VPN troubleshooting for remote users.
• Knowledge of SDWAN infrastructure support and maintenance.
• Understanding of WAN communications including MPLS and GRE tunneling.
• Experience managing MPLS and Internet circuits in coordination with telecom carriers.
• Automation skills using tools like Glueware, Tufin, Checkpoint CDT, Python scripting, and Ansible.
• Working knowledge of Cisco FabricPath and VXLAN technologies.
• Ability to work effectively both independently and as part of a team.
• Adaptability to work with both legacy and emerging technologies.
• Fluent in English.

Desired Additional Experience

• Background in payments or fintech sectors, including support of authorization traffic or file transfers.
• Experience in network or operations command centers aiding incident management.
• Basic scripting proficiency in UNIX/Linux environments.
• Use of various network monitoring tools.
• Familiarity with tandem/mainframe technologies.
• Exposure to ESXi-based virtualization solutions.

Corporate Security Responsibilities

All employees must adhere to Mastercard’s security policies by ensuring confidentiality and integrity of accessed information, reporting any security breaches, and completing mandatory security training as scheduled.