Hybrid IT Infrastructure Security Specialist

at The Premier League

• Job title: IT Infrastructure Security Specialist
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: No Education Requirement
• Tech skills: Cloud, Firewalls, Python
• Location requirements: Hybrid, United Kingdom

About the role

• IT Infrastructure Security Specialist protecting the security infrastructure of Premier League Studios. Managing network security and vendor relationships for enhanced security posture.

Responsibilities

• Manage, configure, and maintain network security appliances, specifically Palo Alto next-generation firewalls (NGFWs), including managing security policies, VPNs, and intrusion prevention systems (IPS/IDS).
• Design, implement, and maintain robust network segmentation strategies to isolate critical systems, reduce the attack surface, and enhance overall security posture.
• Act as the primary technical liaison for our outsourced virtual Chief Information Security Officer (vCISO) service provider, ensuring effective communication, alignment of security strategies, and timely execution of recommendations.
• Implement and manage comprehensive security solutions for all organisational desktops, servers, and laptops, leveraging Microsoft Defender for Endpoint for centralised threat detection and response.
• Configure and monitor security information and event management (SIEM) solutions, specifically Microsoft Sentinel, to detect, investigate, and respond to potential security incidents across cloud and on-premise environments.
• Administer and optimise secure access service edge (SASE) and cloud security platforms, such as Zscaler, to ensure secure web usage and remote access.
• Conduct regular vulnerability assessments and coordinate patching efforts across server and endpoint infrastructure to mitigate risks and maintain security compliance.
• Participate in incident response activities, assisting with the investigation, containment, and recovery from security breaches when they occur.
• Work closely with other IT infrastructure specialists (networking, systems, etc.). Participate in cross-training initiatives to share security expertise and expand knowledge of other IT domains to build team resilience.
• Provide 2nd and 3rd level support for critical network incidents, requiring participation in an on-call rotation to support or 24/7 operational needs.

Requirements

• Experience in an IT security role, managing and implementing security infrastructure.
• Experience managing vendor relationships, particularly with outsourced security services (like a vCISO or MSSP).
• Experience working in dynamic operational environments, potentially involving 24/7 operations, is highly beneficial.
• Hands-on experience with Palo Alto firewalls (PAN-OS, Panorama management) and implementing network segmentation.
• Strong practical experience with endpoint security solutions, including Microsoft Defender.
• Familiarity with SIEM tools, specifically Microsoft Sentinel.
• Knowledge of cloud security principles and experience with Zscaler or similar SASE platforms.
• Understanding of common attack vectors and security best practices for desktop, server, and laptop environments.
• Exceptional analytical and problem-solving skills, with a keen eye for detail.
• Strong communication and collaboration skills; a genuine team player.
• Ability to manage multiple priorities and respond quickly and effectively to security incidents.
• Relevant security certifications such as Certified Information Systems Security Professional (CISSP), Certified Ethical Hacker (CEH), or vendor-specific certifications (e.g., Palo Alto Networks Certified Network Security Engineer (PCNSE), Microsoft security certifications).
• Experience with scripting languages (e.g., PowerShell, Python) for security automation tasks.