Senior Systems Administrator: Microsoft 365 & Azure On‑Site

WIN Waste Innovations; Portsmouth (NH); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

401k match

Paid time off

Tuition reimbursement

Parental leave

Diversity & inclusion

Engagement events

Employee resource groups

Job summary

WIN Waste Innovations is seeking a Senior Systems Administrator to support its corporate office and facilities in the United States. The role focuses on Microsoft 365, Azure AD, Entra, Intune, and related cloud services, plus on-premises infrastructure and disaster recovery planning.

You will manage user accounts, licensing, security, and compliance, develop automation with PowerShell and Power Automate, and provide IT support locally and remotely while mentoring teammates.

Qualifications

• Bachelor's degree in IT or 5+ years of equivalent experience.
• Minimum five years of experience in a senior technical support role.
• Familiarity with ITIL processes and methodologies.
• Strong technical background.

Responsibilities

• Act as subject matter expert for Microsoft 365 and Azure AD services, including Exchange Online, Teams, SharePoint, and OneDrive, delivering advanced support and guidance to end users and IT staff.
• Manage, maintain, and improve the Microsoft 365 environment, including user accounts, permissions, licensing, security, compliance, and legal hold activities.
• Support for identity and access management includes Entra ID Connect, MFA, Conditional Access, and synchronization with on‑premises Active Directory.
• Administer endpoints and devices using Intune and related MDM tools, including imaging, software packaging, deployment, and lifecycle management.
• Support for on‑premises, cloud, and remote infrastructure, including servers and workstations.
• Ensure security, reliability, and integrity of systems by supporting email security, backups, vulnerabilities, and cybersecurity triage.
• Provide second-level and escalation support to Service Desk and other staff for deeper troubleshooting.
• Develop and maintain automation processes using PowerShell and Power Automate.
• Document systems, configurations, and procedures; create clear documentation for users and IT support.
• Assess, test, and implement emerging technologies to enhance Microsoft 365 and enterprise systems.
• Collaborate with vendors and internal teams to provide reliable IT services.
• Be available for after-hours support and travel to facilities as needed.
• This role is on-site; some remote work flexibility is mentioned.

Skills

Microsoft 365

Azure AD

Intune

PowerShell

Office 365

Education

Bachelor's degree in IT or related field

Tools

PowerShell scripting

Intune management

Job description

WIN Waste Innovations is seeking a Senior Systems Administrator to support its corporate office and facilities in the United States. The role focuses on Microsoft 365, Azure AD, Entra, Intune, and related cloud services, plus on-premises infrastructure and disaster recovery planning.

You will manage user accounts, licensing, security, and compliance, develop automation with PowerShell and Power Automate, and provide IT support locally and remotely while mentoring teammates.