Senior IT Administrator

As an experienced IT Infrastructure, Network & M365 Security Engineer, your role will involve managing and securing the IT environment. This includes handling firewalls, network infrastructure, Microsoft 365, and supporting end-user systems. Key Responsibilities: - Manage and maintain servers, networks, and IT infrastructure. - Ensure system availability, performance, and scalability. - Handle patching, upgrades, and lifecycle management. Network & Firewall Management: - Configure and manage firewalls (Sophos). - Implement firewall policies, NAT, VPNs. - Monitor network traffic and respond to incidents. - Conduct firewall audits and rule optimization. Microsoft 365 (M365) Administration: - Manage M365 services (Exchange, SharePoint, Teams, OneDrive). - Administer Azure AD / Entra ID. - Implement MFA, SSO, Conditional Access. - Configure Microsoft Defender. - Manage email security (SPF, DKIM, DMARC). - Implement DLP, retention, eDiscovery. - Monitor logs and investigate issues. - Manage devices via Intune. End-User & Laptop Support: - Install and configure Windows OS. - Troubleshoot software and OS issues. - Perform laptop health checks. - Ensure endpoint security compliance. - Support users with system access. Security & Compliance: - Implement security best practices. - Support SOC 2 / ISO 27001 audits. - Conduct vulnerability assessments. Monitoring & Incident Management: - Set up monitoring and alerts. - Troubleshoot outages and incidents. - Work with SIEM tools. Documentation: - Maintain documentation and SOPs. Required Skills: - Firewall experience (Sophos/Palo Alto/Fortinet/Cisco). - Networking (TCP/IP, DNS, VPN). - M365 administration. - Azure AD / Entra ID. - Windows OS troubleshooting. - End-user support experience. Nice to Have: - Cloud (AWS/Azure/GCP). - Docker / containerization. - SIEM tools. - Certifications (Microsoft, AWS, CCNA, CISSP). - Zero Trust knowledge. As an experienced IT Infrastructure, Network & M365 Security Engineer, your role will involve managing and securing the IT environment. This includes handling firewalls, network infrastructure, Microsoft 365, and supporting end-user systems. Key Responsibilities: - Manage and maintain servers, networks, and IT infrastructure. - Ensure system availability, performance, and scalability. - Handle patching, upgrades, and lifecycle management. Network & Firewall Management: - Configure and manage firewalls (Sophos). - Implement firewall policies, NAT, VPNs. - Monitor network traffic and respond to incidents. - Conduct firewall audits and rule optimization. Microsoft 365 (M365) Administration: - Manage M365 services (Exchange, SharePoint, Teams, OneDrive). - Administer Azure AD / Entra ID. - Implement MFA, SSO, Conditional Access. - Configure Microsoft Defender. - Manage email security (SPF, DKIM, DMARC). - Implement DLP, retention, eDiscovery. - Monitor logs and investigate issues. - Manage devices via Intune. End-User & Laptop Support: - Install and configure Windows OS. - Troubleshoot software and OS issues. - Perform laptop health checks. - Ensure endpoint security compliance. - Support users with system access. Security & Compliance: - Implement security best practices. - Support SOC 2 / ISO 27001 audits. - Conduct vulnerability assessments. Monitoring & Incident Management: - Set up monitoring and alerts. - Troubleshoot outages and incidents. - Work with SIEM tools. Documentation: - Maintain documentation and SOPs. Required Skills: - Firewall experience (Sophos/Palo Alto/Fortinet/Cisco). - Networking (TCP/IP, DNS, VPN). - M365 administration. - Azure AD / Entra ID. - Windows OS troubleshooting. - End-user support experience. Nice to Have: - Cloud (AWS/Azure/GCP). - Docker / containerization. - SIEM tools. - Certifications (Microsoft, AWS, CCNA, CISSP). - Zero Trust knowledge.