Network Security Engineer

PSD Group; Greater London; On-site; GBP 55,000 - 90,000; Full time

Job summary

Talantir is seeking a Network & Security Engineer to support and develop its core infrastructure. The role focuses on a secure, scalable network across multiple sites, with emphasis on Cisco Meraki and Microsoft technologies.

The ideal candidate has 5+ years in network/infrastructure roles, CCNP certification, and experience in a senior escalation role. The position involves travel between sites and hands-on security, monitoring, and project work.

Qualifications

• Experience managing Cisco Meraki networks and security across multiple sites.
• Strong background in Microsoft 365 and Azure administration.
• Proven network security focus with firewall and VPN knowledge.
• Experience as a senior escalation point and 3rd line support.
• CCNP certification is required; Mimecast experience is a plus.
• Familiarity with ITIL incident, change and problem management.

Responsibilities

• Manage and support Cisco Meraki networking infrastructure (switching, wireless and security).
• Maintain and enhance network security, including firewalls, VPNs and monitoring.
• Support and optimise the Microsoft environment (M365 / Azure).
• Act as a senior escalation point for complex infrastructure issues.
• Monitor and maintain network performance across multiple locations.
• Work with internal teams and vendors on infrastructure and security projects.

Skills

Cisco Meraki

Microsoft 365 / Azure

Network security

Mimecast

ITIL processes

3rd line escalation

Travel between sites

5+ years experience

Education

CCNP certification

Job description

A growing real estate business is looking for a Network & Security Engineer to support and develop its core infrastructure as the organisation expands and brings more IT capability in-house.This role will focus on maintaining a secure, scalable network environment across multiple sites, with a strong emphasis on Cisco Meraki and Microsoft technologies.

Key Responsibilities

• Manage and support Cisco Meraki networking infrastructure (switching, wireless and security)
• Maintain and enhance network security, including firewalls, VPNs and monitoring
• Support and optimise the Microsoft environment (M365 / Azure)
• Act as a senior escalation point for complex infrastructure issues
• Monitor and maintain network performance across multiple locations
• Work with internal teams and vendors on infrastructure and security projects

Key Requirements

• Strong experience with Cisco Meraki networking (switching, wireless, security)
• Solid experience within Microsoft environments (M365 / Azure)
• Strong focus on network security and infrastructure resilience
• CCNP certification required
• Experience with Mimecast highly desirable
• Knowledge of ITIL processes (incident, change, problem management) beneficial
• Comfortable travelling between sites when required
• Experience Typically 5+ years in network / infrastructure engineering roles
• Experience operating as a 3rd line / senior escalation point