System Administrator

Job Title: Systems Administrator

Job Summary:

The Systems Administrator is responsible for the design, implementation, administration, security, and improvement of the systems and platforms that support a mission-critical Internet Service Provider (ISP) and Research & Education Network (REN) environment. This role supports both internal infrastructure and member-facing services used by higher education, K–12, healthcare, research institutions, government entities, and community anchor organizations.

This is a hybrid role spanning infrastructure, cybersecurity, and AI-enabled operations. In addition to core responsibilities, the Systems Administrator is expected to help strengthen the organization’s cybersecurity posture, improve operational resilience, and leverage automation and AI-driven tools to enhance monitoring, incident response, service delivery, and overall operational efficiency.

Key Responsibilities:

System Maintenance & Administration

· Install, configure, and maintain Windows Server environments and enterprise Microsoft applications across hybrid infrastructure.

· Monitor system performance and troubleshoot issues to ensure uptime, efficiency, and service continuity.

· Apply patches, updates, and security fixes across both on-premises and cloud-hosted systems utilizing

Action1 RMM.

· Administer and maintain the existing VMware vSphere/vCenter virtualization environment during the active cloud migration period. This infrastructure includes Windows and Linux servers.

Microsoft 365 & Cloud Administration

· Administer the full Microsoft 365 ecosystem, including:

o Microsoft Copilot: deployment, configuration, licensing, and user enablement and training

o SharePoint Online: site architecture, governance, content management, and permissions

o Microsoft Teams: collaboration policies, channel governance, and meeting configurations

o Exchange Online: mailbox management, mail flow, and compliance settings

· Implement and manage Microsoft Purview, including:

o Data Loss Prevention (DLP) policies

o Sensitivity labels and Information Protection

o Compliance and retention policy management

o Audit and eDiscovery capabilities

· Manage Microsoft Intune for device compliance and endpoint management for Windows and MacOS devices.

Identity, Security & Compliance

· Administer Microsoft Entra ID, including:

o User and group lifecycle management

o Conditional Access policies and MFA enforcement using Cisco Duo MFA.

o Role-Based Access Control (RBAC) and Privileged Identity Management (PIM)

· Implement and enforce security protocols aligned with applicable compliance frameworks (e.g. NIST, CIS Controls).

· Perform regular system audits, compliance checks, and security assessments within the Microsoft environment.

Cloud Migration (Azure / Entra)

· Assist in planning and executing the migration of on-premises services to Microsoft Azure, including:

o Workload assessments and readiness evaluations

o Lift-and-shift and service modernization strategies

o Resource provisioning (Azure VMs, storage, networking, and monitoring)

· Collaborate with leadership to define and execute a phased migration roadmap.

User Support & Troubleshooting

· Provide technical support to end users, resolving hardware and software issues.

· Install, configure, and maintain desktops, laptops, and peripherals as needed utilizing Microsoft Intune.

· Develop documentation and training materials for IT procedures, Microsoft 365 usage, and security best practices.

· Support network connectivity troubleshooting including VPN, Wi-Fi, and LAN, particularly as it relates to hybrid cloud connectivity.

Backup & Disaster Recovery

· Maintain backup and disaster recovery strategies for both on-premises and cloud-hosted workloads.

· Ensure data integrity and availability in case of system failures.

Requirements:

· Education: Associate’s or Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience).

· Experience: 3 years of experience in systems administration or IT support.

· Technical Skills:

o Strong knowledge of Windows Server, Active Directory, Entra ID.

o Experience with Microsoft Purview or equivalent compliance/data governance tools.

o Understanding of Microsoft Copilot or equivalent AI platforms for implementation, training and guidance.

o Proficiency in Intune administration: Autopilot provisioning, application setup and Windows Autopatch

o Working knowledge of Microsoft Entra ID: identity management, Conditional Access, and SSO.

o Familiarity with PowerShell for automation and administrative scripting.

o Understanding networking fundamentals: firewalls, VPN, LAN, DNS, and DHCP.

Optional Qualifications:

· Familiarity with Microsoft Dynamics management or equivalent CRM tools.

· Experience with Microsoft SharePoint Online or equivalent Intranet platforms.

· Certifications (Preferred but not required):

o CompTIA Network

o CompTIA Security

o Microsoft Certified: Azure Administrator Associate (AZ-104)

o Microsoft 365 Certified: Administrator Expert (MS-102)

o Microsoft Security, Compliance, and Identity Fundamentals (SC-900)

Or equivalent certifications

· Soft Skills: Strong problem-solving, communication, and teamwork abilities. Comfortable balancing day-to-day operational support alongside long-term migration and modernization projects.

Work Environment:

· Hybrid/On-site/Remote options available.

· May require occasional after-hours work for security incidents or maintenance.

· On-call duty – One week every two months.

What we Offer:

· Competitive compensation and benefits package.

· Opportunities for professional development and certification.

· A collaborative and dynamic work environment.

How to Apply: For full-time positions, please forward a cover letter and resume to jobs@oshean.org.

• OSHEAN is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.