Senior Network Engineer

Allen Lane Limited; Greater London; On-site; GBP 60,000 - 90,000; Full time

Job summary

Allen Lane Limited in the United Kingdom is seeking a Senior Network Engineer to lead day-to-day operations of complex network environments and ensure high availability, security, and performance. You will design, implement, and optimise Meraki and Palo Alto solutions, work with IT teams, and ensure ISO27001/PCI-DSS/PCN compliance while contributing to disaster recovery planning.

This role requires hands-on experience with SIP Trunking, SBCs, Teams, Netcall Liberty Converse, and network

Qualifications

• Strong experience designing and managing complex network environments.
• Certifications in networking (e.g., CCNP Enterprise, CompTIA Network+) preferred.
• Experience with Meraki, Palo Alto, SIP Trunking, Teams and NetCall Liberty Converse.

Responsibilities

• Day-to-day network operations: manage the day-to-day operations of our network infrastructure, ensuring its availability, reliability, and performance.
• Collaboration with IT teams: work with other IT teams, collaborate on projects, share knowledge, and provide technical guidance to ensure successful integration of network and communications solutions.
• Lead work to ensure our critical network and communications infrastructure is designed and optimised for security, high availability, and disaster recovery, including ISO27001, PCI-DSS, PCN compliance.
• Develop and implement network improvement plans to enhance efficiency, scalability, and security.
• Maintain network design documents and general operational documentation: create, update, and maintain network design documents.

Skills

Meraki SD-WAN

Meraki Wireless

Palo Alto Firewall

Cloud

On-premise data centre

SIP Trunking

Session Border Controller

Microsoft Teams

Netcall Liberty Converse

Site24x7

Network fundamentals

ISO27001 compliance

PCI-DSS compliance

PCN compliance

CCNP Enterprise

Nutanix Certified Professional

CompTIA Network+

Tools

Site24x7

Job description

Our Local Authority Client are going through an exciting period as they have been working on delivering an extensive IT Infrastructure Transformation and Upgrade Programme, deploying SD-WAN, modernising the on-premise data centre environment using the latest HCI and ACI technology, and adopting services in Azure and AWS.

Duties:

• Day-to-day network operations: The Senior Network Engineer will manage the day-to-day operations of our network infrastructure, ensuring its availability, reliability, and performance.
• Collaboration with IT teams: Working closely with other IT teams, our Senior Network Engineer will collaborate on projects, share knowledge, and provide technical guidance to ensure the successful integration of network and communications solutions.
• You’ll lead work to ensure our critical network and communications infrastructure is designed and optimised for security, high availability, and disaster recovery. This includes collaborating with our Enterprise Architecture Practice and the Information Security Team to ensure compliance with the ISO27001, PCI-DSS, and PCN standards.
• Development and implementation of improvement plans: This role involves developing and implementing network improvement plans to enhance efficiency, scalability, and security
• Maintenance of network design documents and general operational documentation: Create, update, and maintain network design documents

Technical Skills:

You will have a deep understanding of network fundamentals: Candidates should possess a comprehensive understanding of networking concepts, protocols, and technologies, coupled with hands‑on experience designing, implementing, and managing complex network environments.

• Proficiency in specific technologies: Expertise in Meraki SD-WAN, Meraki Wireless, Palo Alto Firewall, Cloud, and on-premise data centre solutions is essential for this role. Candidates should demonstrate proficiency in configuring, troubleshooting, and optimising these technologies.
• Experience designing and maintaining voice and communications technologies, including SIP Trunking and Session Border Controllers (SBC), Microsoft Teams and Netcall Liberty Converse.
• Ability to troubleshoot: Candidates should demonstrate an aptitude for troubleshooting and resolving network issues and be willing to learn and develop their troubleshooting skills.
• Experience with network management tools: Familiarity with tools such as Site24x7 for network monitoring and management is advantageous.
• The post holder should have relevant professional certifications to demonstrate core competency. Examples of relevant certifications include:
• CompTIA Network+ 500-220 ECMS - Engineering Cisco Meraki Solutions
• Nutanix Certified Professional Cisco CCNP Enterprise