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Join Colchester Institute – Where Your Career Makes a Difference. At Colchester Institute, we believe in the power of education to transform lives and communities. As one of the region’s leading providers of education and training, we are proud to offer a dynamic, supportive and forward-thinking working environment where staff can thrive and make meaningful change. We are looking for a Network & Security Analyst you will be reponsible for designing, monitoring and securing the organisations betwirk infrastructure to ensure availability, performance and resillience. In this role you will need to be proactive in identifying and mitigating cyber risks, security incidents, and much more.
Job Responsibility:
Design, implement, and maintain secure, resilient network infrastructure across on-premises and cloud environments
Ensure optimal performance, availability, and scalability aligned with business needs
Continuously monitor network performance, capacity, and reliability using appropriate tools
Identify bottlenecks and implement improvements to maintain service levels
Operate and manage security controls including firewalls, IDS/IPS, endpoint protection, and secure gateways
Ensure systems are configured in line with security best practices
Monitor for security threats and respond to incidents in line with incident management procedures
Investigate root causes and implement corrective and preventative actions
Conduct regular vulnerability scanning, risk assessments, and remediation activities
Work with stakeholders to prioritise and address security weaknesses
Manage network access controls, authentication mechanisms, and privileged access
Ensure the principle of least privilege is consistently applied
Support the development and enforcement of network and security policies, standards, and procedures
Ensure compliance with regulatory, contractual, and organisational requirements
Plan and implement network and security changes through formal change control processes
Apply patches and updates to minimise risk and service disruption
Requirements:
BTEC level 3 or above
CCNA, CompTIA Network or Security +
Experience of working with firewalls, switches, routers and wireless networks
Knowledge of Wireshark and NMap
Understanding of MS Azure and experience of managing an enterprise network