Systems Administrator

NexCore Group; Denver (CO); On-site; USD 95,000 - 100,000; Full time

Benefits offered by this job

Performance bonus

Medical, Dental, Vision

401K / benefits package

Job summary

NexCore Group seeks a Systems Administrator to manage Microsoft 365, Entra ID, and the Windows core infrastructure in a Denver-based environment. You will optimize collaboration tools, enforce security standards, and provide high-quality IT support across platforms.

The ideal candidate has 3–6 years in a mid-level IT role, hands-on experience with SharePoint Online, OneDrive, Teams, and Windows Server, and strong PowerShell automation skills.

Qualifications

• 3-6 years of experience in a Systems Administrator or similar mid-level IT role.
• Hands-on experience with: SharePoint Online administration (sites, permissions, architecture)
• OneDrive administration and troubleshooting
• Office 365 admin center, Teams administration
• Windows Server and Active Directory
• Entra identity management (multi-tenant preferred)
• Experience with hybrid identity configurations such as Azure AD Connect and password sync.
• Proficiency with PowerShell for automation and administration tasks.
• Understanding of TCP/IP networking fundamentals including DNS, VPN, and VLANs.
• Experience with Intune, Autopilot, or other MDM/endpoint management tools.
• Familiarity with VMware virtualization.
• Prior experience supporting a 100-300 user environment.

Responsibilities

• Administer Microsoft 365 platform including SharePoint Online, OneDrive, Teams, and Exchange Online.
• Manage Microsoft Entra ID and identity security policies.
• Administer Windows Server, DNS, DHCP, GPO, and file/print services.
• Provide Level 2 service desk and support for MS365, Windows Server, and Entra ID.
• Support SharePoint migrations, storage optimization, and security/compliance features.
• Monitor security, patching, and endpoint management; automate with PowerShell.

Skills

SharePoint Online

OneDrive

Office 365 admin center

Teams administration

Windows Server

Active Directory

Entra identity management

PowerShell

Networking fundamentals

VMware

MDM/endpoint management

Hybrid identity

Tools

Intune

Azure AD Connect

PowerShell

Job description

The Systems Administrator is responsible for managing and supporting the organization’s Microsoft 365 collaboration suite, identity and access management through Microsoft Entra ID, and core Windows infrastructure. This role ensures secure, efficient, and reliable IT operations by optimizing collaboration tools, and enforcing compliance and security standards. The ideal candidate will have strong technical expertise, problem-solving skills, and the ability to deliver high-quality support and solutions across multiple platforms.

Key Responsibilities:

Microsoft 365 / O365 Platform Administration

Serve as primary administrator for Microsoft 365 collaboration tools including SharePoint Online, OneDrive for Business, Teams, and Exchange Online. Design, configure, and maintain collaboration environments to optimize productivity and compliance.

SharePoint Administration

• Serve as primary administrator for SharePoint Online, including site creation, architecture planning, permissions management, and security configurations.
• Build and maintain document libraries, content types, retention policies, and workflows.
• Work with departments to design and improve SharePoint sites for collaboration and document management.
• Monitor and optimize SharePoint storage, usage, and performance across teams.
• Assist with SharePoint Online migrations, restructuring, and consolidation projects.

OneDrive Administration

• Oversee OneDrive for Business configuration, access controls, sync management, and sharing policies.
• Troubleshoot OneDrive sync issues, file conflict problems, and permission errors.
• Ensure compliance with organizational storage and retention standard operating procedures.

Teams & Exchange Online

• Administer Teams channels, permissions, policies, and voice features.
• Manage Exchange Online mail flow, shared mailboxes, distribution groups, and retention policies.
• Support O365 compliance features including DLP, auditing, and eDiscovery.

Microsoft Entra ID & Identity Management

• Manage Microsoft Entra ID , including user provisioning, conditional access, MFA enforcement, and group management.
• Apply appropriate role-based access controls and ensure identity security policies are consistently enforced.

Windows Infrastructure Administration

• Administer and maintain Windows Server environments, including, DNS, DHCP, Group Policy, and file/print services.
• Support and manage Windows 11 endpoints, ensuring updates, patches, and policies are consistently deployed.
• Troubleshoot server and workstation issues, ensuring minimal downtime and quick resolution.

Level 2 Service Desk & Support

• Serve as the Tier II escalation point for issues related to:
• MS365 (SharePoint, OneDrive, Teams, Exchange Online)
• Windows Servers
• Microsoft Entra ID account, identity, and access issues
• Perform root-cause analysis and implement permanent resolutions.
• Document solutions, develop internal knowledge base articles, and support Tier I technicians as needed.
• Provide clear and effective communication during incident response and troubleshooting.

Security, Compliance & Monitoring

• Support endpoint security, patching, and vulnerability remediation.
• Administer system monitoring tools and maintain event logging and alerts.

Projects & Continuous Improvement

• Participate in mid-sized IT projects, such as O365 tenant migrations, Windows Server upgrades, SharePoint builds, and endpoint deployments.
• Refine IT documentation, system standards, and operational procedures.
• Identify opportunities for automation using PowerShell or O365 administrative tools.

Skills, Knowledge and Expertise:

• 3-6 years of experience in a Systems Administrator or similar mid-level IT role.
• Hands-on experience with:
• SharePoint Online administration (sites, permissions, architecture)
• OneDrive administration and troubleshooting
• Office 365 admin center, Teams administration
• Windows Server and Active Directory
• Entra identity management (multi-tenant preferred)
• Experience with hybrid identity configurations such as Azure AD Connect and password sync.
• Proficiency with PowerShell for automation and administration tasks.
• Understanding of TCP/IP networking fundamentals including DNS, VPN, and VLANs.
• Experience with Intune, Autopilot, or other MDM/endpoint management tools.
• Familiarity with VMware virtualization.
• Prior experience supporting a 100-300 user environment.

Certificates and Licenses:

• Microsoft certifications (Azure Administrator, M365 Administrator, Security+, etc.) are a plus.
• Compensation: $95,000 - $100,000 / year
• Eligible for discretionary benefits: performance bonus
• Eligible for standard employee benefit elections: Medical, Dental, Vision, 401K, FSA, HSA, Commuter Benefits, Employee Assistance Program, Life Insurance (employee and dependents), Short-term disability (STD), Long-term disability (LTD), Accidental death & dismemberment (AD&D), vacation days, sick days, and other benefits

Equal Opportunity Employer
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