Senior Network Engineer — Global Hybrid & Security

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

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.