> Markdown version of [/jobs/ext/3311978-senior-infrastructure-cybersecurity-engineer](https://www.wearedevelopers.com/jobs/ext/3311978-senior-infrastructure-cybersecurity-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Infrastructure & Cybersecurity Engineer - **Company:** A-Gas - **Location:** Portishead, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Azure, Bash Shell, Cyber Security, Intrusion Detection Systems, Microsoft Software, Windows Servers, Network Architecture, Windows PowerShell, Azure Active Directory, Zero Trust Network Access, Security Information and Event Management, VMware Virtualization, Cyberark, Office365, Microsoft InTune, Process Control Systems, Firewall Services Module - **Published:** September 17, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=760ada2072bed7c9 ## About the Role * 7+ years in infrastructure engineering, with strong exposure to security and resilience design. * Expertise in VMware virtualization, Microsoft stack (Entra ID/Azure AD, Windows Server, Intune, M365, Defender, Sentinel). * Proven experience designing redundant network architectures and implementing business continuity strategies. * Familiarity with Meraki networking and firewall configuration for secure cross-business connectivity. * Knowledge of CIS18 controls, NIST CSF, and Zero Trust principles. * Strong scripting/automation skills (PowerShell, Bash) and ability to validate MSP deliverables. Desirable * Experience with PAM solutions (CyberArk or similar), SIEM/SOAR tuning, WAF, IDS/IPS. * Exposure to industrial control systems (ICS) and OT security best practices. Certifications * AZ-500 (Azure Security Engineer), SC-100 (Cybersecurity Architect), CISSP, or equivalent.