Senior Enterprise Operations Engineer

Mastercard; Dublin; On-site; EUR 90,000 - 120,000; Full time

Job summary

Mastercard Ireland is seeking a Senior Enterprise Operations Engineer to provide advanced network support as part of the EMEA Network operations team. You will diagnose root causes, implement fixes, and drive long-term improvements, with occasional project support and mentoring of junior staff.

The role requires expertise in routing, firewalls, WAN, and automation, plus fluency in English and willingness for on-call duties.

Qualifications

• Experience in Network Infrastructure Delivery.
• Payments/Fintech experience is a plus.
• Experience operating under a global follow the sun model.

Responsibilities

• Tier II network support for Mastercard business.
• Support project teams with infrastructure deliverables.
• Proactive network analysis to ensure optimal performance.
• Create/update documentation for the environment.
• Plan, coordinate and implement changes per change control process.
• Produce reports on issues resolved or progressed.
• Some on-call weekend/after-hours work.

Skills

BGP/OSPF

Routing & Switching

Firewalls

WAN technologies

Automation (Python/Ansible)

UNIX/Linux

Network Monitoring

Tools

ESXi

VPN services

Job description

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

Provide advance Network support as a member of our EMEA Network operations team under our global follow the sun model. You will provide Network support to the business by identifying root cause of issues and implement fixes as required for same. You will be required to continuously improve the environment by identifying issues and work with your team or others as needed to implement long term fixes to permanently address them. You will on occasion be required to provide network support to project teams in support of their deliverables and assist with the training of more junior staff when required.

Major Accountabilities

• 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.

Knowledge / Experience in some or all of the following is required:

• Deep understanding of BGP, IBGP, OSPF routing protocols
• Advance knowledge of routing and switching with hands on experience on industry leading platforms.
• Comprehensive understanding firewalls, Checkpoint and Palo Alto.
• Good understanding of WAN technologies and experience is preferred (EVPN /SDWAN/MPLS/GRE Tunneling)
• Knowledge of working with Teclo carriers in the delivery & maintenance of MPLS/Internet circuits.
• Automation experience, delivering change or provisioning via industry standard automation tools (Python scripting, Ansible or others) is desirable.
• Experience with remote VPN services.

Knowledge / Experience Desired

• Security products such as Netscout, Tufin.
• Experience in working with file transfer protocols, Connect Direct & SFTP.
• Experience in Payments / Fintech industry in support of authorization traffic or file transmissions.
• Experience in working support of Incident calls is fundamental experience required.
• Hands on UNIX/Linux exposure & experience.
• Familiarity and experience with industry standard network monitoring tools.
• Experience of Batch/job scheduling applications (TWS).
• Knowledge and experience of using Esxi based solutions.

All About You

• Demonstrated strong knowledge levels and experience in a Network Infrastructure Delivery 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.
• 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.
• Job requires on-call weekend support based on rota

Corporate Security Responsibility

• 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.