Network Administrator
Robert Half
**NO VENDORS**NO Corp 2 CORP**NO Sponsorship***
Position Overview
We are seeking a Network Administrator / Infrastructure Engineer to support enterprise IT infrastructure, networking, systems administration, identity management, and security operations.
This is an early-career opportunity for someone with approximately 2–4 years of hands-on IT experience who has developed a strong foundation across Microsoft infrastructure, Active Directory, cloud platforms, endpoint management, networking, and cybersecurity.
The ideal candidate does not need to be a senior-level network engineer or networking architect. We are looking for someone technically versatile who can support infrastructure environments, troubleshoot technical issues, administer enterprise systems, and assist with network and security-related initiatives.
Responsibilities
- Support and troubleshoot enterprise IT infrastructure, network connectivity, endpoints, and user-access issues.
- Assist with administration of Active Directory and Microsoft Entra ID / Azure AD .
- Manage users, groups, permissions, role-based access, and identity-related configurations.
- Support Microsoft 365 environments including Exchange Online, Teams, SharePoint, and licensing.
- Assist with Windows endpoint administration, provisioning, patching, and device management.
- Troubleshoot network, system, authentication, and connectivity issues.
- Support security monitoring, vulnerability remediation, and incident-response activities.
- Review infrastructure and security alerts and coordinate remediation with internal technical teams.
- Assist with cloud infrastructure and services within Azure and/or AWS .
- Support implementation and maintenance of security controls, access controls, and infrastructure standards.
- Document technical procedures, configurations, incidents, and troubleshooting steps.
- Work with internal IT teams, vendors, and security partners to resolve infrastructure and security issues.
Desired Qualifications
- Approximately 2–4 years of professional IT, infrastructure, systems administration, network support, or cybersecurity experience .
- Hands-on experience with Active Directory .
- Experience with Microsoft Entra ID / Azure Active Directory .
- Experience supporting Microsoft 365 environments.
- Familiarity with fundamental networking concepts including:
- TCP/IP
- DNS
- DHCP
- LAN/WAN
- VPNs
- Firewalls
- Network troubleshooting
- Experience administering or supporting Windows endpoints and enterprise IT environments.
- Exposure to Azure and/or AWS .
- Familiarity with identity and access management, endpoint security, vulnerability management, or security operations.
- Ability to troubleshoot technical issues across systems, networking, identity, and endpoints.
- Strong documentation and communication skills.
Preferred Qualifications
- Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Networking, or a related field.
- CompTIA Security+, Network+, CCNA, or similar certification .
- Experience with tools such as Intune, SCCM, Microsoft Defender, Sophos, or comparable endpoint/security platforms.
- PowerShell or other scripting/automation experience.
- Experience in a hybrid Active Directory / cloud environment.
- Previous experience working in a regulated, government, defense, or security-conscious environment.
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