Network & Proxy Support Team Lead

Job Description

The role of Network & Proxy Support Team Lead involves leading a team of three network engineers and ensuring the security, resilience, and availability of EFG’s business systems.

Main tasks

• Leading, coaching, and developing the network team; fostering a culture of accountability, collaboration, and continuous improvement.
• Combining team leadership with hands-on technical expertise in complex incidents and projects.
• Monitoring of daily operations and proxy operations, including incident, problem, and change management.
• Planning and coordinating network and proxy upgrades, migrations, and lifecycle activities in accordance with business and security requirements.
• Escalation management to ensure that major incidents are resolved promptly and that communication with stakeholders is clear.
• Management and review of third-party vendors and contracts to ensure service quality, cost-effectiveness, and compliance with SLAs.
• Ensuring compliance with internal policies and regulatory, security-related, and audit-related requirements in the area of network and security infrastructure.

Proxy | Secure Web Gateway (Zscaler)

• Collaborate with security teams to define, implement, and maintain security policies, including URL filtering, cloud application and file filtering, DLP, and access control.
• Configuration, operation, and maintenance of Zscaler solutions (ZIA, ZPA) and related components such as SPA, Cloud Firewall, PAC files, NISS, and ZCC.
• Manage corporate devices using Zscaler Client Connector (ZCC) to ensure a secure and reliable connection.
• Resolving Zscaler-related issues by analyzing log files, conducting tests, and implementing corrective actions.
• Analysis of network packet captures (PCAPs), Fiddler log files, and HTTP/HTTPS headers to identify and resolve complex connectivity and performance issues.
• Proactively propose and implement improvements to network and proxy performance, capacity, scalability, and security.

Network Engineering & Operations

• Provision of second- and third-level technical support for networks and related services.
• Configuration, installation, and maintenance of network devices and services (e.g., routers, switches, firewalls, load balancing, VPN, QoS).
• Support and maintenance of network connections for financial market data feeds and other latency-sensitive services.
• Implement and maintain a continuous improvement process by defining, documenting, and enforcing network and proxy standards, procedures, and best practices.
• Interface with external suppliers and partners (integrators, telecommunications providers, market data providers, etc.) to design, implement, and support network solutions.
• Participation in a 24/7 on-call/on-duty rotation (with pay) to support critical infrastructure.