Jobs / Ireland / Mastercard International Incorporated
Senior Enterprise Operations Engineer
Mastercard International Incorporated · 🌍 Dublin, Ireland
Sponsorship verdict
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No government record and no wording either way. Not a refusal — ask the recruiter.
- No government sponsor record hereNo government sponsor record covers this employer in this country.
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- Can’t check pay against the visa rulesNo salary stated. Ireland Critical Skills Employment Permit needs at least €40,904 a year (General Employment Permit: €36,605). Source: https://enterprise.gov.ie/en/what-we-do/workplace-and-skills/employment-permits/permit-types/critical-skills-employment-permit/, rules effective 2026-03-01.
- Confirmed live todayWhen a source last listed this job as open.
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Sponsor Radar — Mastercard International Incorporated
No government sponsor record covers this employer in this country.
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About the role
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