Junior Infrastructure Specialist (Network Security)

TL;DR

Junior Infrastructure Specialist (Network Security): Supporting the operation and optimization of threat prevention and detection systems including IDS and NDR platforms with an accent on system reliability and automation. Focus on monitoring network security, responding to incidents in collaboration with the Security Operations Centre, and developing technical skills within a large-scale banking environment.

Location: Must be based in or able to commute to Leeds or Manchester for hybrid work (minimum 2 days/40% in office).

Salary: £36,224 – £38,130

Company

A major UK-based financial institution focused on transforming digital banking and cybersecurity for millions of customers.

What you will do

• Operate and monitor network security platforms including IDS/IPS and NDR systems.
• Collaborate with the Cyber Security Operations Centre to triage suspicious events and support threat hunting activities.
• Contribute to the automation of response procedures to enhance detection speed and system efficiency.
• Participate in agile team ceremonies, including sprint planning and retrospectives.
• Perform daily system checks and monitor performance indicators to ensure service reliability.
• Optimize detection rules and assist in platform development tasks under the guidance of experienced engineers.

Requirements

• Enthusiasm for building a career in technology and a strong willingness to learn.
• Foundational understanding of network configuration, integration, and security concepts.
• Basic familiarity with DevOps principles, CI/CD, and version control tools.
• Ability to use scripts for troubleshooting and platform support tasks.
• Understanding of agile delivery methods and collaborative team practices.
• Strong analytical and critical thinking skills with an objective approach to data.

Culture & Benefits

• Comprehensive pension contribution of up to 15%.
• Annual performance-related bonus scheme and employee share plans.
• Flexible benefits package including discounted shopping and wellbeing initiatives.
• 24 days of annual leave plus public holidays.
• Supportive environment with a focus on diversity, inclusion, and professional growth.
• Generous parental leave policies and health initiatives.