Network Implementation Engineer

ECS Resource Group; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

ECS Resource Group is seeking an experienced Network Implementation Engineer to support a major network deployment programme across multiple London sites. You will perform hands-on configuration, testing, and handover across Cisco Meraki, Catalyst, Nexus and Aruba Wireless environments.

The role requires strong Cisco expertise and involvement through the full deployment lifecycle, including discovery, planning, testing and migration, while coordinating with technical teams, vendors, and

Qualifications

• Bachelor's degree in engineering, computer science, information technology or related field.
• At least 7 years designing and implementing enterprise networks with practical Cisco Meraki and Catalyst experience.
• Experience with WLAN tech (WLCs, APs), SD-WAN, routers, switches, firewalls, WAN circuits.

Responsibilities

• Deliver greenfield and brownfield network implementations across complex enterprise environments.
• Configure, test and commission Cisco Catalyst 9K, Cisco Meraki, routing, switching and wireless technologies.
• Support network discovery, staging, deployment, migration, testing and handover.
• Implement LAN, WAN, WLAN, VPN, SD WAN and internet connectivity solutions.
• Work across Cisco Meraki, Catalyst, Nexus and Aruba Wireless environments.
• Produce technical documentation: HLDs, LLDs, MOPs, migration and rollback plans, test plans, as-built docs.
• Lead technical activity during deployments, cutovers and complex implementation issues.
• Configure and troubleshoot Layer 2/3 networks; IOS/firmware upgrades.
• Collaborate with Architecture, Engineering, Security and Operations teams.
• Support network migrations, infra refreshes and tech rollouts.
• Identify risks and recommend improvements; provide guidance to customers.

Skills

Cisco 9K switching

BGP

OSPF

EIGRP

Static routing

VLANs

STP/RSTP/MST

VPC

EtherChannel

LAN/WAN

MPLS/DIA/VPN

Cisco Wireless LAN Controllers

Aruba Wireless

Meraki Wireless/Cloud Mgmt

SD-WAN

Network monitoring tools

ITSM platforms (ServiceNow)

Education

Bachelor's Degree in Engineering/CS/IT

Tools

Cisco Meraki

Aruba Wireless

Nexus switches

Job description

I am working with one of the world’s largest solutions company and have an exciting contract opportunity for an experienced Network Implementation Engineer to support a major programme of network deployments and infrastructure change across multiple London sites.

As this is a hands on implementation role requiring strong Cisco networking expertise you will be involved throughout the deployment lifecycle, from discovery and planning through to configuration, migration, testing and handover.

The successful contractor will need to be comfortable working independently in complex enterprise environments, engaging with technical teams, vendors and customers to deliver network changes successfully.

Key Responsibilities

• Deliver greenfield and brownfield network implementations across complex enterprise environments
• Configure, test and commission Cisco Catalyst 9K, Cisco Meraki, routing, switching and wireless technologies
• Support network discovery, requirements validation, staging, deployment, migration, testing and handover
• Implement LAN, WAN, WLAN, VPN, SD WAN and internet connectivity solutions
• Work across Cisco Meraki, Cisco Catalyst, Cisco Nexus and Aruba Wireless environments
• Produce technical documentation including HLDs, LLDs, MOPs, migration plans, rollback plans, test plans and as built documentation
• Lead technical activity during deployments, cutovers and complex implementation issues
• Configure and troubleshoot Layer 2 and Layer 3 network environments
• Implement IOS, firmware and security upgrades while minimising disruption to live services
• Work closely with Architecture, Engineering, Security and Operations teams throughout project delivery
• Support network migrations, infrastructure refreshes and technology rollouts
• Identify technical risks, vulnerabilities and single points of failure and recommend appropriate improvements
• Provide technical guidance to customers around network upgrades, optimisation and new technology
• Support change management activity including implementation, validation and post change reviews
• Contribute to network monitoring, automation and service improvement initiatives

Skills & Expertis

• Cisco Catalyst 9K switching
• BGP, OSPF, EIGRP and static routing
• VLANs, STP, RSTP, MST, VPC and EtherChannel
• LAN and WAN environments
• MPLS, DIA and VPN technologies
• Cisco Wireless LAN Controllers and Access Points
• Aruba Wireless
• Meraki Wireless and Cloud Management
• SD WAN technologies
• Network monitoring and performance management tools
• ServiceNow or similar ITSM platforms

Experience & Qualifications

• Bachelor's Degree in Engineering, Computer Science, Information Technology, or a related discipline.
• At least 7 years of hands-on experience designing and implementing enterprise network environments, with strong practical expertise in Cisco Meraki and Cisco Catalyst solutions.
• Strong design and implementation experience with:
• WLAN technologies, including Cisco Wireless LAN Controllers and access points, Aruba WLAN, and Meraki Wireless
• Proven experience in deploying and troubleshooting routers, switches, wireless infrastructure, firewalls, SD-WAN, and WAN circuits.
• Cisco Meraki (Switching, Wireless, SD-WAN, Security Appliances)
• SD-WAN Technologies
• Strong understanding of enterprise networking architecture, high availability, redundancy, and disaster recovery concepts.
• Experience managing major incidents, problem management, capacity management, and service improvement initiatives.
• Excellent stakeholder management, communication, and vendor coordination skills.
• Certifications such as CCNP Enterprise, CCNP Security, Cisco Meraki Solutions Specialist, PCNSA/PCNSE, Aruba Certified Professional, or equivalent are desirable.

Preferred Candidate Profile

• Strong customer-facing and consulting experience.
• Ability to operate independently in a global network implementation and project delivery environment.
• Experience supporting large-scale enterprise and hybrid-cloud network infrastructures.
• Passion for automation, operational excellence, and continuous improvement.