IT Systems & Security Administrator

Company: Intellect Solutions LLC (Internal)
Location: Vienna, VA
Employment: Full-time
Experience: 3-5 years of relevant hands-on experience

Manage Intellect's internal IT environment, provide employee technical support, and maintain security across accounts, laptops, email, and office systems. Coordinate with external security specialists for complex incidents and after-hours monitoring.

• Create, configure, and disable employee accounts in Microsoft 365 and Google Workspace, as applicable.
• Manage employee onboarding and offboarding, including access provisioning and equipment recovery.
• Configure, secure, ship, track, and recover laptops and other IT equipment.
• Maintain hardware inventory, software licenses, patches, and endpoint protection.
• Provide technical support for computers, email, applications, printers, and connectivity.
• Administer Microsoft 365, Exchange Online, Entra , Intune, and Microsoft Defender.
• Manage MFA, Conditional Access, user permissions, and device compliance.
• Review security alerts and investigate suspicious sign-ins, phishing, and account compromises.
• Perform initial containment and coordinate complex investigations with security specialists.
• Support office networks, Wi-Fi, backups, and recovery procedures.
• Maintain IT documentation, support tickets, and incident-response procedures.
• Support security audits and maintain evidence of implemented controls.

• 3-5 years of experience in IT administration and employee technical support.
• Hands-on experience administering Microsoft 365, Entra , Exchange Online, Intune, and Defender.
• Experience with Windows devices, laptop deployment, troubleshooting, and network support.
• Practical experience with MFA, access controls, phishing response, and compromised accounts.
• Strong communication, documentation, and problem-solving skills.
• Ability to manage daily priorities independently and provide onsite support in Northern Virginia.

• Power Shell scripting and IT automation experience.
• Familiarity with Google Workspace and Microsoft Sentinel.
• Experience supporting a government contractor and environments with CMMC or NIST security requirements.
• Relevant Microsoft certifications or CompTIA Security+.