2 of 2 Contract High Availability Jobs in Essex

Senior Network Engineer

Hiring Organisation
Defence
Location
Harlow, London, United Kingdom
Employment Type
Contract
Responsibilities: Lead the design, build, and replacement of legacy Cisco Wireless infrastructure with modern Cisco Catalyst 9800 WLC architecture, ensuring scalable, resilient, and high-performance wireless services Define and deliver end-to-end wireless migration strategies, including planning, staging, cutover execution, and post-implementation optimisation Architect and implement high-availability 9800 WLC deployments (SSO, redundancy models), ensuring minimal service disruption and operational resilience Design and implement enterprise wireless solutions, including SSID segmentation, policy profiles, VLAN mapping, RF optimisation, and seamless roaming Own the design, upgrade, and lifecycle management of Cisco ISE environments, including version upgrades, patching strategies ...

Senior Technician Infrastructure

Hiring Organisation
Randstad Digital
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£15 - £20 per hour + Negotiable
week) Job Type: Contract About the Role Are you an experienced IT professional looking to do meaningful work? We are partnering with a vital, high-profile public sector organization to find a Senior Infrastructure Technician. In this critical role, you will be the backbone of the organization's digital … operations, ensuring the high availability of mission-critical systems-including emergency operations and dispatch technology. You will act as the senior technical expert within the digital team, tackling complex problems and helping the organization run smoothly and securely. Key Responsibilities Provide advanced 3rd line digital support to resolve ...