Windows System Administrator

Byteridge is a cloudnative, remotefirst technology company with ~200 employees across India and the US. We are seeking a Windows Systems Administrator to manage endpoint security, identity and access operations, Microsoft 365 administration, and compliance support in a SOC 2 and ISO 27001 environment. This role is handson, supporting crosstimezone operations and collaborating with HR, Finance, Engineering, and Delivery teams.

Key Responsibilities:

• Manage Windows 10/11 devices via Microsoft Intune (MDM, compliance, conditional access, BitLocker).
• Administer Microsoft Entra ID (Azure AD) for user lifecycle, groups, MFA, and SSO provisioning.
• Operate Microsoft Defender for Endpoint and coordinate with managed security operations.
• Oversee Microsoft 365 services (Exchange Online, Teams, SharePoint, OneDrive, licensing).
• Maintain email security (SPF, DKIM, DMARC) and DNS records.
• Support Azure infrastructure (VMs, storage, monitoring, Defender for Cloud).
• Execute onboarding/offboarding processes and integrate with HRIS systems.
• Track compliance, maintain asset registers, and manage GRC platform evidence for audits.
• Document SOPs, runbooks, and ITSM tickets for audit readiness.

Required Skills:

• Handson experience with Windows administration (35 years).
• Strong knowledge of Intune, Entra ID/Azure AD, Microsoft 365.
• Familiarity with endpoint security tools (Defender or equivalent).
• Basic understanding of SPF, DKIM, DMARC.
• PowerShell scripting for automation and reporting.
• Strong communication skills and a securityfirst mindset.

Preferred Skills/Certifications:

• MD102, AZ900, SC900 certifications.
• Experience with Sophos MDR, Action1 RMM, or GRC platforms.
• Exposure to SOC 2 / ISO 27001 audit documentation.
• DNS management (AWS Route 53, Azure DNS).