Role: Senior Cloud & Infrastructure Engineer Location: Aghalee (base location, occasional travel) Salary: £45,000 - £55,000 per annum About the Role We're looking for a hands-on Senior Cloud & Infrastructure Engineer to take ownership of core infrastructure and lead cloud-first projects. You'll be the go-to escalation point for complex incidents, networking, and security, while delivering solutions across AWS and Microsoft 365 environments. This role combines deep troubleshooting expertise with project delivery and a strong focus on security-by-design. Key Responsibilities Design and operate secure AWS environments (EC2, VPC, IAM, Load Balancing, Auto Scaling) Implement Microsoft Intune and Entra ID (Azure AD), including SSO and Conditional Access Manage enterprise networking: VLANs, VPNs, firewalls, SD-WAN, and zero trust principles Harden Windows Server and Active Directory environments Support Microsoft 365 collaboration tools (SharePoint, OneDrive, Teams) Deploy and maintain VoIP solutions and QoS for voice traffic Own backup and disaster recovery strategies across on-prem and cloud Act as L3 escalation for complex incidents and drive root cause analysis Automate tasks using PowerShell and contribute to infrastructure-as-code initiatives What We're Looking For 5 years' experience in enterprise IT with L3 support and networking responsibilities Expertise in AWS (EC2, VPC, IAM), Windows Server/AD, Intune/Entra ID Strong networking and security skills (routing, VPNs, firewalls, IDS/IPS) Hands-on experience with VoIP deployments and Microsoft 365 administration Solid understanding of cybersecurity best practices Excellent troubleshooting and documentation skills Desirable AWS or Microsoft certifications Networking/security certifications (e.g., CompTIA Security) Familiarity with automation and scripting (PowerShell, Python) Applicants must be based in Northern Ireland with full rights to work unrestricted. Please contact Ellen at Staffline for more details. Skills: AWS IT Infrastructure Microsoft Intune Enterprise Networking VoIP Security