DV L3 Network Engineer

Post Date: 10-09-2026 08:50 AMDV L3 Network EngineerCorshamUnited KingdomInsideMarket RatesContractNational SecurityScrollRef: FZA148011_1789030240

Job description

Network Engineer
Location : Corsham
Clearance : DV cleared.
Duration : 3 months initial.

We are looking for a L3 Network Engineer (CISCO) to provide network engineering support of the LAN and WAN across all security domains. Your role will involve incident management and change implementation on our clients' live system, on incidents that have been escalated from 1/2nd line resources that are often remotely based environments.

Skills:
* Installation, configuration, deployment, maintenance and diagnostics of all Network Devices and supporting cabling and infrastructure eg Router, switch and firewall IOS and firmware upgrades
* Level 3 Support for the LANs and WANs relating to Core Services
* Network support, advice and recommendations to design change
* Updating Design Documentation to capture Network Changes
* ASA and Firepower firewall experience.
* Experience of multi-security tier and multi-tenant environments.
* Knowledge of VMWare NSX Firewall & SDWAN.
* NGNIX
* LINUX



Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.

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