Network Support Engineer
As a Network Support Engineer, you will be supporting national critical infrastructure in a dynamic and agile environment. You'll be hands‑on, giving technical help to customers both internal and external, and will be the first point of contact for network‑related issues of a large multi‑site, multi‑vendor network communication environment. 24×7 support commitments will require participation in a rota‑based on‑call system that may result in callouts outside of standard working hours.
Key Responsibilities
* Troubleshoot and resolve network communication and operational issues, impacting national critical infrastructure and internal networks.
* Provide network support out of hours as part of an on‑call rota.
* Configure and manage network devices including routers, switches, firewalls and VPN’s.
* Collaborate with vendors and service providers to resolve network‑related issues.
* Manage installs of WAN networks.
* Collaborate in Agile planning sessions.
* Implement project work assigned via Agile Release Trains.
* Carry out network changes out of hours as per company change policies.
* Document network configurations, changes, and troubleshooting processes to maintain accurate records.
* Contribute to the implementation of network security protocols and best practices to protect company data.
* Stay updated with emerging technologies and industry trends to continuously enhance your knowledge and skillset.
* Escalate unsolved issues to relevant internal or external teams.
Knowledge & Experience
* 1–3 years of IT experience in
* Networking (LAN/WAN, firewalls, security technologies).
* TCP/IP protocol communications.
* Strong knowledge of Cisco’s/Palo/F5 product portfolio.
* Familiarity with project‑management methodologies and best practices.
* Enterprise networks.
* WAN networks.
* CCNA certification or equivalent.
* Experience working within a fintech.
* Policy‑based VPN technologies.
* Experience with SSL certificate management and implementation.
* Understanding of network security principles.
* Knowledge of SAFe (Scaled Agile Framework).
Skills & Abilities
* Well‑established troubleshooting techniques.
* Proficiency in network technologies such as BGP, OSPF, VPN, MPLS.
* Strong analytical and problem‑solving skills with attention to detail.
* Effective verbal and written communication skills.
* Ability to work collaboratively in a team environment and contribute positively to team dynamics.
* A proactive approach to learning and professional development.
Work Conditions
Supporting 24/7 global network environment – which entails between 1‑4/1‑6 on‑call rotation following Monday 17:00 – Monday 08:00. Occasional travel may be required. Hybrid working (3 days a week in office).
Corporate Security Responsibility
* 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.
* Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.
Seniority level
* Entry level
Employment type
* Full‑time
Job function
* Information Technology
Industries
* Financial Services, IT Services and IT Consulting, and Technology, Information and Internet
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