Senior Network Engineer

Mastercard Inc.; Dunstable; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Mastercard Inc. seeks a Senior Network Engineer to design, implement and support a multi-site network environment. You will drive network projects, ensure security posture, and collaborate with diverse teams to meet business needs.

Ideal candidates have 3–5 years in networking, Cisco product knowledge, and automation experience. This role involves hybrid working and potential travel to support global operations.

Qualifications

• 3–5 years IT experience in networking, security and related areas.
• Experience with TCP/IP, BGP, VPN, SSH and MPLS technologies.
• CCNP or equivalent networking certification.
• Experience with automation (Ansible/Python).

Responsibilities

• Manage and implement a range of network projects.
• Develop detailed requirements for upgrading existing production and corporate network devices.
• Troubleshoot network communications and provide in-depth technical assistance.
• Collaborate across teams to gather information and manage changes.
• Support vendor management and security posture enhancements.

Skills

Networking

Automation

Firewalls

Security & encryption

Load balancing

TCP/IP

Cisco products

Network diagnostics

Education

CCNP certification or equivalent experience

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 Network Engineer Overview

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

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).
• • Identify 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 work

All About You Experiences

• • Three to five years of overall IT experience in the following areas: - Networking, including LAN/WAN - Automation (Ansible/Python for automation) - 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 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.

Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.