Microsoft 365 & Network Security Administrator

National Equity Fund, Inc.; Chicago (IL); On-site; USD 90,000 - 120,000; Full time

Job summary

NATIONAL EQUITY FUND, INC. in Chicago seeks a Network Administrator to manage NEF’s Microsoft 365 environment and network infrastructure, ensuring secure, reliable access to systems and services across the Chicago office.

You will administer Exchange Online, Entra ID, Teams, and SharePoint; implement MFA and conditional access; support Fortinet firewall, VPN, and remote access; monitor security logs and partner with vendors.

Qualifications

• 3–5+ years of experience in network administration and Microsoft 365 administration.
• Strong troubleshooting skills across network and cloud environments; manage user access and permissions.
• Preferred: MS-102 or Fortinet NSE; experience with Conditional Access/Zero Trust, SIEM, hybrid cloud environments.

Responsibilities

• Administer NEF’s Microsoft 365 environment (Exchange Online, Entra ID/Azure AD, Teams, SharePoint).
• Create, maintain, and organize security groups, distribution lists, and MS 365 groups.
• Manage user lifecycle activities, including provisioning, deprovisioning, and access control.
• Implement and maintain identity and access policies (MFA, conditional access, RBAC); monitor health and troubleshoot Office 365 issues.
• Manage Chicago office network infrastructure, including Fortinet firewall configuration and monitoring, LAN/WAN connectivity, and VPN/remote access services.
• Diagnose and resolve network performance issues, outages, and connectivity disruptions; maintain firewall rules and access policies.
• Coordinate with external vendors and ISPs for incident resolution and service continuity.
• Serve as escalation point for connectivity and Office 365 issues; guide end users on technical issues.
• Support cybersecurity controls across network and identity systems; monitor logs and alerts for risks.
• Help monitor and upgrade Netskope infrastructure, manage Netskope group access.
• Maintain documentation for network architecture, firewall configurations, and Office 365 governance policies.
• Identify opportunities to improve automation, efficiency, and system reliability; contribute to SOPs.

Skills

Network administration

Microsoft 365 admin

Troubleshooting

Communication

Access management

Tools

Fortinet

Netskope

Entra ID/Azure AD

Exchange Online

Job description

NATIONAL EQUITY FUND, INC. in Chicago seeks a Network Administrator to manage NEF’s Microsoft 365 environment and network infrastructure, ensuring secure, reliable access to systems and services across the Chicago office.

You will administer Exchange Online, Entra ID, Teams, and SharePoint; implement MFA and conditional access; support Fortinet firewall, VPN, and remote access; monitor security logs and partner with vendors.