# Senior Network Engineer

> Avacone · Basel, Switzerland (Hybrid) · Full-time · Posted 2026-05-04

**Workplace:** hybrid

**Department:** Switzerland

## Description

### **Role Overview**

We are seeking a highly experienced **Senior Network Engineer** to join our technology infrastructure team in London. This role requires a strong hands-on engineer with deep technical expertise in designing, implementing, maintaining, and troubleshooting complex enterprise network environments within a highly regulated banking environment.

  
The successful candidate will play a critical role in ensuring the resilience, security, and performance of network services supporting business-critical banking operations, trading systems, data centres, cloud connectivity, and branch infrastructure.

This position is ideal for an engineer who combines strong architectural understanding with a practical delivery mindset and who remains technically engaged in day-to-day operational activities.

### **  
Key Responsibilities**

-   Design, implement and support enterprise-grade network infrastructure across on-premise and cloud environments
-   Manage and optimise LAN, WAN, WLAN, and data centre network environments
-   Perform advanced troubleshooting across routing, switching, firewall, VPN, and load balancing technologies
-   Lead hands-on incident resolution for complex network outages and performance issues
-   Maintain secure connectivity between data centres, branch offices, cloud platforms, and third-party providers
-   Support network segmentation, resilience, redundancy and disaster recovery design
-   Implement and maintain network monitoring, alerting and performance analysis tools
-   Collaborate closely with cyber security, infrastructure, cloud, and application teams
-   Support change management, release activities, and technical documentation in line with banking governance standards
-   Participate in on-call support for critical production incidents when required
-   Ensure all network solutions comply with internal security standards, audit requirements, and regulatory expectations

## Requirements

### **Required Technical Skills**

-   Strong hands-on experience with **Cisco routing and switching** in enterprise environments
-   Deep expertise in **BGP, OSPF, MPLS, VLANs, STP, HSRP, VRRP**
-   Strong practical experience with **Palo Alto Networks firewalls**, VPN technologies, and security policies
-   Experience with **load balancers** such as F5 Networks
-   Strong knowledge of network security controls, segmentation, NAC, and secure remote access
-   Experience with cloud networking in **Amazon Web Services** and/or Microsoft
-   Hands-on experience with network monitoring tools such as **SolarWinds, PRTG, or similar**
-   Experience in data centre networking and high-availability environments
-   Strong troubleshooting capability at packet level using tools such as Wireshark
-   Good scripting capability in Python, Bash, or automation tooling is advantageous

### **  
Required Experience**

-   Minimum 8 to 10 years of network engineering experience in complex enterprise environments
-   Proven experience within banking, financial services, or other highly regulated industries
-   Strong operational experience in mission-critical production environments
-   Demonstrated ability to work directly on live infrastructure with minimal supervision
-   Experience supporting audit, compliance, and regulated change environments

### **  
Preferred Qualifications**

-   Cisco certifications such as CCNP or CCIE
-   Palo Alto certification preferred
-   Experience with hybrid cloud connectivity and SD-WAN
-   Exposure to zero trust networking principles

### **  
Personal Profile**

-   Strong ownership mentality and accountability
-   Calm under pressure during production incidents
-   Highly practical, solution-oriented and detail-focused
-   Able to communicate clearly with technical and non-technical stakeholders
-   Comfortable operating in a fast-paced banking environment

### **  
Important Note**

This role requires a genuinely hands-on engineer. Candidates with primarily managerial or purely architectural backgrounds without recent operational delivery experience will not be considered.

## Apply

[Apply at Avacone](https://apply.workable.com/avacone/j/050CDA4847/apply)

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