Senior Network Infrastructure Manager

Role: Senior Network Infrastructure Engineer

Location: Southampton (Hybrid Role)

Salary: £80,000 £100,000

Carrier-Grade Networking | High-Level Infrastructure Ownership | Progression Toward CTO

Were recruiting for a Senior Network Infrastructure Engineer to join a highly technical telecoms and communications environment where network performance, resilience, and uptime are absolutely critical to the wider business. This is an opportunity to step into a senior position within a company that runs its own infrastructure estate, supports business-critical voice and communications services, and places genuine value on strong engineering ownership.

This role is ideal for an experienced network professional who wants more than just BAU support. Youll play a key role in maintaining and evolving a complex multi-site network environment, supporting core infrastructure that underpins real-world production services. From routing, switching, peering, and BGP through to resilience planning, incident response, and infrastructure improvement projects, youll be heavily involved in both the day-to-day operation and long-term development of the network estate.

Youll work closely with senior leadership and technical teams, acting as a key escalation point while helping to drive standards, performance, and operational stability across the environment. The role offers the chance to work across carrier-grade networking, high-availability telecoms platforms, on-prem infrastructure, and network architecture, making it a strong move for someone looking to continue progressing into a broader infrastructure leadership or future CTO-level pathway.

Required Skills:

• Strong experience in a Senior Network Engineer / Network Infrastructure Engineer / Infrastructure Engineer role
• Proven background working within carrier-grade, ISP, telecoms, or highly available production network environments
• Strong hands-on experience with BGP, routing, peering, failover, redundancy, and traffic engineering
• Strong knowledge of MikroTik RouterOS and/or Juniper Junos
• Experience supporting complex network infrastructure across multi-site environments
• Strong understanding of switching, firewalls, WAN connectivity, IP networking, and routing policy management
• Experience with incident management, root cause analysis, and troubleshooting live production outages
• Strong documentation skills across network diagrams, SOPs, technical processes, and infrastructure standards
• Ability to work closely with senior stakeholders, technical teams, and wider operations functions
• Telecoms, UC, or service provider experience would be highly desirable

Exclusive Benefits:

• £80,000 £100,000 Salary
• Opportunity to work within a carrier-grade telecoms and infrastructure environment
• Exposure to BGP, peering, RIPE, resilient multi-site networking, and high-availability telecoms services
• Involvement in infrastructure upgrades, network optimisation, resilience planning, and strategic technical projects
• Senior-level ownership within a business-critical networking environment
• Clear progression pathway into Infrastructure Leadership / Head of Infrastructure / CTO
• Hybrid working with Southampton office and data centre exposure
• Annual performance bonus linked to uptime and operational KPIs
• Private medical insurance
• Company pension
• 21 Days Holiday + Bank Holidays + Birthday off
• Cycle to work scheme
• Health & wellbeing programme
• On-site parking
• Company events, employee discounts, and additional office perks

If youre a Senior Network Infrastructure Engineer looking for a role where you can work on carrier-grade infrastructure, take ownership of critical networking environments, and position yourself for long-term progression into senior technical leadership, click APPLY NOW, attach your FULL CV and contact details, and Ill be in touch ASAP. ??