3rd Line Network Specialist

Exponential-e Want to be part of a leading British-owned tech company? Established in 2002, we are achieving year on year revenue growth and reinvesting 95% of our profits back into our people and technology. Your new role: * Regular communication verbally and written with existing customers * Provide 3rd Line support for incoming customer support queries and escalations from the 2nd Line Service Desk * To take ownership and effectively manage support tickets for incidents, change and service requests * To plan and complete projects as assigned to you by the Head of 3rd Line Network Support. * Documentation of customer solutions – CMDB, Visio documentation, technical summary write up * To provide support and mentoring to 2nd Line engineers * On-call rota out of hours for high priority incidents What you’ll need to succeed: * Demonstrable knowledge at CCNP (ENT/DC/SP/SEC) or JNCIP-ENT level * In depth knowledge of configuring and troubleshooting network security devices/protocols * Advanced knowledge of layer 2 and 3 protocols * Experience using at least one of the following firewalls: Palo Alto, Fortigate Cisco ASA. This should include experience of configuring and troubleshooting access lists, NAT, IPSec and SSL VPNs. * Familiarity with Cloud products such as Azure / Amazon AWS * Experience working within a Managed Service Provider Environment. What we offer: * Involved in varied projects that make a positive impact on critical services on a local and national level: * Vibrant company culture with a wide range of events and social activities throughout the year * Range of employee initiatives on offer including the green team, DE&I society, employee forum, women’s network and culture club * Dedicated Learning and Development team and access to a range of training, courses and certification support * Comprehensive benefits including on-site cafe with free barista coffee, birthday leave, charity leave, vitality health cover and holiday purchase scheme to gain an extra 5 days leave

Location: E1, Tower Hamlets,London, GB

Posted Date: 7/14/2025