Tier 3 Engineer - Network Services
Confidential
Posted: January 30, 2026
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Required Skills
Job Description
ROLE PURPOSE
Connect is looking for a Third Line Engineer to provide Technical services for Internal and External Clients. This role covers a wide range of activities such as Network Design, installation, support, configuration and integration. Individuals will have a broad range of foundation skills together with a chosen a range of specialisations to achieve this level.
MAIN DUTIES AND KEY RESPONSIBILITIES
Design responsibilities for Network Infrastructure
Creation and documentation of HLD and LLD
Present solution proposals to potential customers and talk knowledgeably about industry best practices for network design and operation
Design and document all aspects of detailed infrastructure solutions including SD-WAN, Routing, Switching and Wireless
Where they do not exist, ensure "As-is" Diagrams and documentation are produced for services
Support and assist with support teams
Producing future architecture documents for services
Driving the production and enforcement of network standards and guidelines
Providing Guidance for Project Resource Engineers
Knowledge Transfer to Peers and development coaching
Operational Incident 3rd & 4th Line Support with Root Cause Analysis
Whilst you will act as a primary point of responsibility for the specific design activities, you will work closely with other stakeholders to ensure a smooth implementation and transition to operations team
DESIRABLE SKILLS & EXPERIENCE
Proven experience of working within an architect role within projects, providing solution design, project support and delivery of project architecture is essential
Designing enterprise network infrastructure in a medium to large company
Possess or undertake necessary accreditations
BGP, OSPF, QOS, NAT, and general IP routing (including the use of virtual routing domains) and switching
Service provider technologies including but not limited to MPBGP, MPLS, VRF-Lite and Carrier Grade NAT
Connecting/integrating different providers with their own autonomous systems.
Experience in IP addressing on a multiple site/size basis
Experience in Juniper Mist
Extensive experience in working with as much of the following as possible:
Cisco Routing
Cisco Switching
Cisco Wireless
Meraki MX (Routing, Security and SDWAN)
Meraki MS (Switching)
Meraki MR (Wireless)
Zscaler Internet and Private Access
Juniper Junos based Routing and Switching
Degree in engineering or related qualification / 5+ years practical experience in a similar role
Experience and formal training on 2 or more of our technology partners portfolios
CCIE/CCNP Certification is a distinct advantage
KEY COMPETENCIES
Customer Focused
A self-motivated team player with excellent interpersonal skills
An outgoing individual willing to participate as part of a small and flexible team
Flexible approach to working hours and work locations to support contracts throughout UK and Europe is essential
Ability to work effectively under pressure.
Excellent communication skills at all levels
Good organizational and time management skills