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Mastercard

Senior Platform Engineer

London
Posted about 18 hours ago
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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 Platform Engineer

Overview

  • Supports and assists with the design, architecture, implementation, security and support of a multi-site network communication environment.

Role

Responsibilities:

  • Manage and implement a range of network projects.
  • Develop detailed requirements for upgrading existing production, corporate and non-production network devices.
  • Participates in the planning and implementing upgrading existing production and corporate and non-production network devices.
  • Completes network communications troubleshooting and provides in-depth technical assistance with operational problems.
  • Supports assigned projects, which include responsibility for planning, time, resource utilization and implementation of changes (in and out of core hours). Identifying risks relating to the project, escalating potential concerns, and helping to prevent further design updates and missed requirements. Including:
    • Cross-team collaboration and engagement with different teams to obtain the necessary information to complete the project and overcome obstacles.
    • Engagement with the change process and operations management.
    • Supports Vendor management.
    • Identifies service improvement activities that would optimize the network's performance, efficiency, and capacity.
    • Performs baseline checks on new hardware to ensure it complies with company standards and aligns with the current security posture.
    • Support peers with knowledge sharing and reviewing work.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.

Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

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All About You

Experiences

  • Three to five years of overall IT experience in the following areas:
    • Networking, including LAN/WAN
    • Firewalls
    • Security and encryption technologies
    • Load Balancing
  • Experience with TCP/IP protocol communications.
  • Broad knowledge of Cisco’s product portfolio.
  • Knowledge of Network diagnostics, BGP, SNMP, VPN, SSH, MPLS technologies.
  • Work in a heavily regulated environment with DSS/PCI compliance.

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Skills/ Abilities:

  • Strong verbal and written communication skills.
  • Self-starter with demonstrated listening skills.
  • Serves as a mentor to lower-level employees, leads others, and uses good judgment.
  • Limited supervision: work may be reviewed for direction and strategy.
  • Ability to identify and formulate a plan to implement improvements in line with colleagues' agreement when completing work.
  • Holds a current CCNP certification or equivalent experience.

Work Conditions:

  • Supports a 24 by 7 Global Network.
  • May require occasional travel.
  • Hybrid Working.

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.
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Skills

Networking
LAN/WAN
Firewalls
Security
Encryption
Load Balancing
TCP/IP
Cisco
BGP
SNMP
VPN
SSH
MPLS
PCI Compliance
Network Diagnostics

Location

Dunstable, England, United Kingdom

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