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# Senior Platform Engineer

- **Company:** Purposemastercard
- **Location:** Dunstable, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Secure Shell (SSH), Border Gateway Protocol, Cyber Security, Virtual Private Networks (VPN), Multi-protocol Systems, Network Diagnostics, Simple Network Management Protocols, Transmission Control Protocol (TCP), Wide Area Networks, Load Balancing, Firewalls (Computer Science), Information Technology, Cisco
- **Published:** August 26, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/senior-platform-engineer/45126548

## About the Role

YouExperiences* 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.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
WorkingCorporate Security ResponsibilityAll 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, andComplete all periodic mandatory security trainings in accordance with Mastercard's guidelines.Job SummaryJob number: R-288791Date posted : 2026-08-20Profession: EngineeringEmployment type: Full time

## Description

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 optimise 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 workAll About


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