Infrastructure & Security Engineer
Posted 20 days ago · 0 applicants
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The role in plain words
This role combines hands-on system administration with cyber security to manage and secure enterprise Microsoft environments. Day-to-day responsibilities include maintaining Active Directory, Windows Servers, and Microsoft 365, managing VMware virtualization, and implementing security controls like Microsoft Defender and firewalls. You will also lead infrastructure projects and automate operational tasks using PowerShell.
- 4+ years of hands-on experience as a System Administrator or Infrastructure Engineer in a medium or large enterprise environment
- Strong experience with Microsoft 365 (Exchange Online, SharePoint, Teams, OneDrive)
- Extensive knowledge of Microsoft Entra ID (Azure AD), Active Directory, Group Policy, DNS, DHCP, and Hybrid environments
- Hands-on experience with Microsoft Defender for Endpoint, Defender for Office 365, Defender for Identity, Conditional Access, MFA, and DLP
- Experience managing Windows Servers and Exchange environments
- PowerShell scripting experience
Extracted from the job description · kept up to date automatically
Who this suits
This role suits experienced professionals with at least 4 years of hands-on system administration or infrastructure engineering experience in medium to large enterprises. It is less ideal for those without strong technical knowledge of Microsoft 365, Entra ID, VMware, and enterprise security solutions.
Full job description
Original listing · kept for referenceWe are looking for an experienced Infrastructure & Security Engineer to join our IT Infrastructure team.
This role combines hands-on System Administration with Cyber Security, focusing on managing and securing enterprise Microsoft environments. You will be responsible for maintaining critical infrastructure, leading infrastructure projects, implementing advanced security controls, and supporting a hybrid On-Premises and Cloud environment.
Responsibilities
• Manage and maintain enterprise Microsoft infrastructure, including Active Directory, Windows Servers, Microsoft 365, Exchange Online, and Entra ID.
• Administer hybrid environments integrating On-Premises infrastructure with Microsoft Cloud services.
• Design, implement, and maintain Microsoft security solutions, including Microsoft Defender, Conditional Access, MFA, DLP, and identity protection.
• Manage virtualization environments based on VMware vSphere, vCenter, and ESXi.
• Implement and maintain security controls such as EDR/XDR, SIEM, Firewall, and WAF solutions.
• Perform vulnerability assessments, remediation activities, and infrastructure hardening across cloud and on-premises environments.
• Troubleshoot complex infrastructure, security, networking, and virtualization issues.
• Lead infrastructure and security projects from planning through implementation.
• Collaborate with internal teams and external vendors to deliver secure, reliable enterprise solutions.
• Automate operational tasks using PowerShell whenever applicable.
Requirements
• 4+ years of hands-on experience as a System Administrator or Infrastructure Engineer in a medium or large enterprise environment.
• Strong experience with Microsoft 365 (Exchange Online, SharePoint, Teams, OneDrive).
• Extensive knowledge of Microsoft Entra ID (Azure AD), Active Directory, Group Policy, DNS, DHCP, and Hybrid environments.
• Hands-on experience with Microsoft Defender for Endpoint, Defender for Office 365, Defender for Identity, Conditional Access, MFA, and DLP.
• Experience managing Windows Servers and Exchange environments.
• Strong experience with VMware vSphere, vCenter, and ESXi.
• Experience with enterprise backup solutions such as Veeam.
• Good understanding of networking concepts, including VPN, routing, firewalls, and enterprise security architecture.
• Experience with EDR/XDR, SIEM, WAF, and vulnerability management solutions.
• PowerShell scripting experience – a significant advantage.
• Excellent troubleshooting, analytical, and problem-solving skills.
• Strong communication skills and the ability to lead projects and work with multiple stakeholders.
Questions about this role
- This listing did not state a salary. We only show pay when the employer publishes it.
- 4+ years of hands-on experience as a System Administrator or Infrastructure Engineer in a medium or large enterprise environment, Strong experience with Microsoft 365 (Exchange Online, SharePoint, Teams, OneDrive), Extensive knowledge of Microsoft Entra ID (Azure AD), Active Directory, Group Policy, DNS, DHCP, and Hybrid environments, Hands-on experience with Microsoft Defender for Endpoint, Defender for Office 365, Defender for Identity, Conditional Access, MFA, and DLP, Experience managing Windows Servers and Exchange environments