Senior System Administrator

ComResource; Columbus (OH); On-site; USD 65,000 - 90,000; Full time

Job summary

ComResource is seeking a System Administrator to join our MSP team in Columbus, OH. The role focuses on managing Azure and Microsoft 365 environments, supporting on-premises infrastructure, and maintaining strong security practices.

You will work closely with clients to ensure reliable, scalable IT solutions and timely responses to incidents. The ideal candidate has 2+ years with Azure/M365, 2–4 years supporting Windows/ networking, and familiarity with MSP operations, Intune, and hybrid AD

Qualifications

• 2+ years' experience with Azure and Microsoft 365.
• 2-4 years' experience managing local infrastructure (Windows Servers, endpoints).
• Proficiency with networking concepts and devices (firewalls, switches, wireless APs).
• Strong Active Directory, DHCP, DNS administration.
• Experience with Azure Active Directory management.
• Familiarity with Microsoft Office and 365 administration.
• Knowledge of Zero Trust concepts including MFA, conditional access, MDM, and MAM.
• Experience with AD hybrid configurations and Intune management.
• Previous MSP experience is a plus.
• Familiarity with remote monitoring and ticketing solutions.

Responsibilities

• Manage and maintain Azure-based environments for performance, security, and scalability.
• Administer Microsoft 365 apps (Exchange Online, SharePoint, Teams) for seamless collaboration.
• Oversee local infrastructure (Windows Servers, endpoints, related components).
• Configure and manage networking equipment (firewalls, switches, APs) for reliable connectivity.
• Maintain AD services (DHCP, DNS) for user authentication and access.
• Use Azure AD to manage identities and access rights with proper security.
• Handle MS 365 management tasks, troubleshoot and optimize configurations.
• Implement security concepts like MFA, conditional access, MDM, and MAM.
• Manage AD hybrid configurations, integrating on-prem with cloud services.
• Use Group Policy and/or Intune for device policies and configurations.
• Provide user support via ticketing systems and remote monitoring solutions.
• Collaborate with team members and clients to deliver IT solutions.

Skills

Azure

Microsoft 365

Active Directory

Networking

Group Policy

Intune

Azure AD

Zero Trust

Remote monitoring

Ticketing systems

Education

Certifications (CompTIA, Microsoft MCSE, AZ-104/700/305, MS-102/100)

Tools

Intune

Group Policy

DHCP/DNS

Job description

Position Overview

We are seeking a skilled and motivated System Administrator to join our team at ComResource, a leading Managed Service Provider (MSP). The ideal candidate will have a minimum of 2 years' experience working with Azure and Microsoft 365, as well as 2-5 years' experience in managing local infrastructure systems, including Windows Servers, networking equipment, and security protocols.

Responsibilities

• Manage and maintain Azure-based environments, ensuring optimal performance, security, and scalability.
• Administer Microsoft 365 applications, including Exchange Online, SharePoint, and Teams, to provide seamless collaboration and communication solutions.
• Oversee local infrastructure systems, including Windows Servers, endpoints, and other related components.
• Configure and manage networking equipment, including firewalls, switches, and wireless access points, to ensure reliable network connectivity.
• Maintain Active Directory services, including DHCP and DNS, to support user authentication and resource access.
• Utilize Azure Active Directory to manage user identities and access rights, ensuring proper security measures are in place.
• Handle Microsoft Office and Microsoft 365 management tasks, troubleshooting issues and optimizing configurations.
• Implement key security and management concepts such as multi-factor authentication, conditional access, mobile device management, and mobile application management.
• Manage Active Directory hybrid configurations and integrate on‑premises environments with cloud services.
• Utilize Group Policy and/or Intune Device Management to implement and maintain device policies and configurations.
• Provide support and assistance through ticketing and support solutions, addressing user inquiries and technical issues promptly.
• Monitor and manage systems remotely, utilizing remote monitoring and management solutions to ensure system health and performance.
• Collaborate effectively with team members and clients to deliver exceptional IT solutions and services.

Qualifications

• Minimum of 2 years' experience working with Azure and Microsoft 365.
• 2-4 years' experience working with local infrastructure systems, including Windows Servers and endpoints.
• Proficiency in networking concepts and experience with network equipment, including firewalls, switches, and wireless access points.
• Strong understanding of Active Directory, DHCP, and DNS administration.
• Knowledge and experience with Azure Active Directory management.
• Familiarity with Microsoft Office and Microsoft 365 administration.
• Knowledge of Zero Trust Security Concepts utilizing multi-factor authentication, conditional access, mobile device management, and mobile application management.
• Experience with Active Directory hybrid configurations and Intune management.
• Previous experience with ticketing and support solutions.
• Familiarity with remote monitoring and management solutions.
• Experience within an MSP environment is a plus.
• Excellent communication and collaboration skills.
• Relevant industry certifications, such as CompTIA, Microsoft MCSE, MS-102, MS-100, AZ-104/500/700/305, SC-300/400/100 are advantageous.

Additional Advantages

Familiarity with CIS, NIST, HIPAA, GDPR, CMMC are advantageous.