Windows System Administrator

Byteridge; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

Byteridge is a cloudnative, remotefirst technology company seeking a hands-on Windows Systems Administrator. You will manage endpoints, identity, and security operations across time zones, collaborating with HR, Finance, Engineering, and Delivery teams.

The role focuses on Intune, Entra ID, Defender for Endpoint, and Microsoft 365, with involvement in SOC 2 and ISO 27001 compliance and audit evidence.

Qualifications

• Hands-on Windows administration experience.
• Experience managing end-user devices and security policies.
• Proficiency with Intune, Entra ID/Azure AD and Microsoft 365 administration.
• Familiarity with endpoint security tools and email security basics.

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.

Skills

Windows administration

Intune

Azure AD Entra ID

Microsoft 365

Defender for Endpoint

PowerShell scripting

Security mindset

Communication skills

SOC/ISO knowledge

DNS basics

Tools

Microsoft Intune

Azure AD

Microsoft 365

Defender for Endpoint

Defender for Cloud

Route 53/Azure DNS

Job description

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).