Network Administrator: Troubleshoot, Secure & Optimize

Jobtailor; New Milton; On-site; GBP 32,000 - 54,000; Full time

Benefits offered by this job

Restaurant discounts

Job summary

Jobtailor is seeking a Network Administrator to maintain and secure our network infrastructure in the UK. You will diagnose faults with a structured approach, own tickets end-to-end, analyze incident trends, and collaborate with service desks, operations, product teams, and suppliers to drive improvements.

The role requires hands-on troubleshooting of IP networks, SIP-based systems, and SaaS platforms, with experience in mission-critical environments and ITIL processes.

Qualifications

• 3–5 years’ experience in a Network Administration or similar technical support role.
• Strong knowledge of Linux environments and familiarity with API management tools.
• Hands-on experience troubleshooting IP networks, SIP-based systems, and SaaS platforms.
• Experience supporting mission-critical environments (telecommunications, contact centres, or multi-site operations).
• Understanding networking fundamentals including TCP/IP, DNS, DHCP, VLANs, and firewall rules.
• Exposure to cloud technologies (AWS/Azure) and scripting languages such as JavaScript or Python is advantageous.

Responsibilities

• Maintain and secure network infrastructure.
• Diagnose and resolve faults using a structured, methodical approach.
• Take full ownership of support tickets from initial investigation through to resolution.
• Analyze recurring incidents and service trends.
• Collaborate with service desk teams, system operations, product teams, and third-party suppliers.
• Support the introduction of new products and services by testing processes, identifying risks, and driving operational improvements.
• Create and update documentation, knowledge base articles, and troubleshooting guides.

Skills

Network troubleshooting

Linux environments

API management tools

SaaS platforms

ITIL knowledge

Education

CompTIA Certifications

CCNP

ITIL Certification

Tools

Wireshark

SIP tracing

AWS

Azure

JavaScript

Python

TECS

SmartTEC

Job description

Jobtailor is seeking a Network Administrator to maintain and secure our network infrastructure in the UK. You will diagnose faults with a structured approach, own tickets end-to-end, analyze incident trends, and collaborate with service desks, operations, product teams, and suppliers to drive improvements.

The role requires hands-on troubleshooting of IP networks, SIP-based systems, and SaaS platforms, with experience in mission-critical environments and ITIL processes.