Hybrid IT Infrastructure Security Specialist

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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.

Job title

IT Infrastructure Security Specialist

Job type

Experience level

Mid levelSenior

Salary

Not specified

Degree requirement

No Education Requirement

Location requirements

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