Overview
Senior Network Engineer role focusing on the support and implementation of network infrastructures in a large multi‑vendor, multi‑site environment for a DXC Customer. The role covers LAN, WAN, Firewall, WiFi, Load Balancing, IPAM and Security infrastructures, onsite and remote, with a key focus on Cisco, Palo Alto, Juniper, F5, Infoblox, RSA and Broadcom product portfolio. The successful candidate will handle BAU project and support activities with an expectation to join a 24x7 on‑call rota. This role is hybrid with 2 days in office at either the Erskine or Newcastle site. Successful candidate should have or be willing to obtain SC clearance. To meet criteria you will be a British Citizen with no other citizenships and have lived in the UK for the last 5 years.
Key Responsibilities
* Network Maintenance and Troubleshooting:
o Maintain data network hardware and systems
o Investigate and resolve network and hardware issues
o Analyze, isolate, and troubleshoot network errors
o Assess and upgrade legacy network components as needed
* Technical Support And Leadership:
o Provide technical support for both internal and external customers
o Respond to technical inquiries and recommend solutions
o Lead network problem escalation and resolution
* Network Installation And Configuration:
o Install and maintain network infrastructure, including hardware, software, and system data for small to medium‑sized networks
o Deploy network applications on servers and voice equipment
o Conduct network testing, maintenance, and problem resolution
o Perform network configurations and implement configuration changes on Routers, Switches, Firewalls and Security appliances
* Documentation And Communication:
o Prepare network diagrams and documentation to reflect current Network operational status
o Draft proposal documentation to address customer requirements
Mandatory Skills
* Cisco LAN / WAN skills equivalent to CCNP level
* Demonstrable experience working in a large‑scale multi‑vendor complex environment
* Strong technical documentation skills
* Experience with complex routing protocols, including OSPF, BGP, and iBGP
* Experience working with large scale structured cabling infrastructures in a production / manufacturing environment
* Experience working with firewalls, ideally Palo Alto, Cisco or Juniper Firewalls
Other Skills
* Experience working with two or more of the following:
* Configuring and managing IPSec tunnels on firewalls and routers
* Cisco WiFi deployment and management
* InfoBlox IPAM service
* Cisco AnyConnect deployed on Firepowers (running ASA OS)
* Broadcom proxies
* F5 Load Balancers
* RSA 2 factor Authentication services
Basic Qualifications
* Experience in data networking with Cisco infrastructures
* Proven experience troubleshooting LAN / WAN / FW systems and technical infrastructure
* Knowledge of modern network systems, networking principles, and data or video communication
* Eligible for or currently possess SC clearance (Mandatory)
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Seniority level
* Mid-Senior level
Employment type
* Full-time
Job function
* Information Technology
Industries
* IT Services and IT Consulting
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