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Role/Team overview
The Senior Network Security Engineer will be responsible for developing and implementing security strategies to protect the Organisation’s data, systems, and networks. This includes monitoring network activity, identifying potential threats, responding to incidents, and ensuring compliance with applicable laws and regulations. The Senior Analyst will also provide guidance on best practices in cyber security as well as develop policies and procedures related to information security.
What you’ll do
- Develops comprehensive cyber security plans that address current threats while anticipating future ones.
- Monitors network activity for suspicious behaviour or unauthorised access attempts.
- Investigates any potential breaches of system integrity or other anomalies detected by the monitoring system.
- Responds quickly to any identified incidents or threats by taking appropriate action such as isolating affected systems from the rest of the network or restoring backups when necessary.
- Analyses existing processes and procedures related to information security in order to identify areas of improvement or risk mitigation opportunities.
- Implements new technologies such as firewalls, intrusion detection systems (IDS), encryption tools etc., in order to improve overall system protection levels against malicious attacks/intrusions/breaches etc..
- Creates detailed reports on all activities related to cyber security including incident response actions taken and recommendations for further improvements/mitigations etc..
- Provides technical advice on cyber security issues both internally within the Organisation as well as externally with customers/partners etc..
- Stays up-to-date with latest developments in technology trends and industry standards related to cyber security and ensure compliance accordingly.
What you’ll bring
Essential criteria:
- Extensive experience designing, implementing, securing, and supportingenterprise-scale network security solutions, including firewalls (Palo Alto, Check Point, Fortinet, Cisco), WAFs (e.g., Akamai), load balancers (F5, Citrix ADC), VPNs, NAC solutions, routers, and switches within complex enterprise environments.
- Manage Network Access Control solutions, create authentication and authorisation rules for workstations and corporate devices, update endpoint posture policies and manage guest access. Investigate connectivity issues, and assist with network access incidents.
- Strong networking and infrastructure security expertise, including TCP/IPfundamentals, routing and switching, DNS, DHCP, NTP, VLANs, network segmentation, NAT, proxy technologies, packet analysis, network troubleshooting,and operating system security hardening for Windows, Linux, and network devices,including vulnerability remediation.
- Hands-on experience with cyber security operations and technologies,including security monitoring, logging, alerting, threat detection, incident investigation, EDR, anti-malware/antivirus platforms, vulnerability management,encryption, cryptographic controls, and threat intelligence tools.
- Proven ability to automate and optimise security operations using scripting and infrastructure automation tools such as Python, PowerShell, Shell scripting,Terraform, Ansible, or equivalent technologies.
- Demonstrable experience troubleshooting complex network and security incidents in large-scale enterprise environments, including supporting live operational incidents, security transformation initiatives, SIEM/SOAR platforms, cloud networking and security (AWS, Azure, GCP), and Zero Trust architectures.
- Excellent communication, documentation, and stakeholder management skills, with the ability to produce high-quality technical documentation (designs, standards, runbooks, procedures), work effectively across cross-functional teams, and hold relevant industry-recognised certifications such as CISSP, OSCP, GIAC/SANS, CCNP Security, CCIE Security, or equivalent.to shape this
Benefits and perks
- Free Sky TV or NOW package, including Sky Sports and Sky Cinema
- Pension package with up to 9% employer contribution
- Private healthcare with mental health support
- Aviva Digital GP and dental insurance
- Discounts on Sky products, including Sky Mobile, Sky Broadband, Sky Glass and Sky Protect
- Sharesave and Tech schemes
- A range of Sky VIP rewards and experiences
How you’ll work
We’ve adopted a hybrid working approach to give more flexibility on where and how we work. The hybr
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