Mastercard

Mastercard

Posted via Workday

Senior Enterprise Operations Engineer

Posted Sep 9, 2026

Role at a glance

Job function
Software Engineering & IT Systems & Network Administration
Salary
Not Disclosed
Location
Dublin, Ireland
Work arrangement
On-site
Employment
Full-time
Experience
Senior Level

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Role Summary

AI-generated

Senior Enterprise Operations Engineer on Mastercard's Global Network Operations team, leading Level 2+ network support for application teams and the global command centre, including incident resolution, root cause analysis, and network optimisation. The role includes packet-level diagnostics, support for strategic infrastructure projects, mentoring junior engineers, and participation in the out-of-hours on-call rotation.

What You'll Do

  • Perform Tier II network support to the Mastercard business
  • Provide network support to project teams for infrastructure deliverables
  • Perform proactive network analysis to ensure network integrity and performance
  • Create or update documentation to support the environment as required
  • Plan, coordinate, and implement network changes following the internal change control process
  • Produce reports on issues resolved or progressed

Generated from the employer's posting. Verify important details before applying.

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Qualifications

Senior network operations engineer with enterprise network infrastructure experience, routing, firewall, and troubleshooting skills, and fluent English.

Required

  • Track record of leading technical solutions to problems involving cross team collaboration
  • Demonstrated knowledge and experience operating in an enterprise class network infrastructure environment
  • Strong communication and documentation skills
  • Strong analytical and problem solving skills with troubleshooting experience in a pressured environment
  • Good understanding of BGP, IBGP, and OSPF routing protocols
  • Knowledge of Arista routers and switches for datacentre
  • Cisco routers and switches
  • Firewalls: Checkpoint, Fortigate, and Palo Alto, including Palo Alto Global Protect

Preferred

  • Experience in payments or fintech industry in support of authorization traffic or file transmissions
  • Experience working with an operations command center or network operations center in support of incident calls
  • Basic UNIX or Linux scripting skills
  • Use of a variety of network monitoring tools
  • Knowledge of tandem or mainframe technology
  • Knowledge and experience of using ESXi based solutions

Original job description

Content provided by the employer

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

Senior Enterprise Operations Engineer

Overview

Mastercard is seeking a seasoned Lead Network Operations Engineer to join its Global Network Operations 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 for Datacentre.
• Cisco routers/switches,

• Firewalls, Checkpoint, fortigate, and Palo Alto.

• Palo Alto Global Protect, supporting cloud infra upgrades and vpn issues for remote workers.
• SDWAN practical exposure in supporting and maintaining SDWAN infrastructure.
• 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).
• 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.
• 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.




Mastercard

About the company

Mastercard

Large Enterprise

Mastercard is a global technology company in the payments industry, committed to empowering individuals and businesses through secure and efficient payment solutions. With a presence in over 210 countries, Mastercard connects consumers, financial institutions, merchants, and governments, enabling seamless transactions across various platforms. The company is at the forefront of innovation, focusing on enhancing financial inclusion and expanding access to digital payment technologies. Through its advanced network and partnerships, Mastercard continues to revolutionize the way people engage in commerce worldwide.