Key Responsibilities:
Systems Administration & Support:
• Provision, configure, and maintain Windows workstations, ensuring security and compliance.
• Manage and support Azure AD, Office 365, Intune, SharePoint, and Exchange Online environments.
• Perform software installations, updates, and patch management across IT infrastructure.
• Provide Tier 2/3 support for hardware, software, and network-related issues.
• Monitor system health, troubleshoot issues, and implement corrective measures.
• Perform system backups, disaster recovery planning, and data security enforcement.
Cloud & Enterprise Applications:
• Administer and optimize Microsoft Azure AD, Intune, and Conditional Access policies.
• Manage email security, retention policies, spam filtering, and email archiving within Exchange Online.
• Configure, deploy, and maintain SharePoint Online sites, permissions, and workflows.
• Manage software licensing and compliance for enterprise applications.
End-User & Executive Support:
• Provide technical support to end-users, resolving issues efficiently while maintaining a high level of professionalism.
• Train users on IT security policies, new applications, and best practices.
• Support remote users, including VPN setup, mobile device management (MDM), and cloud applications.
• Document IT processes, standard operating procedures, and troubleshooting guides.
Networking & Security:
• Maintain and troubleshoot network infrastructure
• Monitor network performance and resolve connectivity issues.
• Work alongside security teams to enforce security policies, monitor threats, and implement best practices.
Reporting & Management Communication:
• Generate and present reports on IT performance, security compliance, and system health.
• Collaborate with management to assess IT needs, propose upgrades, and optimize technology workflows.
• Act as a liaison between IT and other business units to ensure smooth technology operations.
Required Qualifications:
• 5+ years of IT administration experience in a corporate or enterprise environment.
• Strong knowledge of Azure AD, Intune, SharePoint, and Exchange Online.
• Experience with Windows Servers, Active Directory, and Group Policy management.
• Understanding of networking fundamentals, including firewalls, DNS, DHCP, VLANs, and VPNs.
• Ability to diagnose and resolve hardware, software, and connectivity issues.
• Experience supporting remote users, cloud environments, and MDM solutions.
• Excellent verbal and written communication skills, with the ability to present technical reports to management.
Preferred Qualifications:
• Certifications such as Microsoft 365 Certified: Modern Desktop Administrator, Azure Administrator Associate, CCNA, Security, or Microsoft Certified: Entra ID Administrator Associate.
• Microsoft Certified: Intune Administrator Associate for expertise in endpoint management and compliance policies.
• Microsoft Certified: Identity and Access Administrator Associate for Entra ID (Azure AD), SSO, and authentication policies.
• Microsoft Certified: Security, Compliance, and Identity Fundamentals for cloud security best practices.
• Experience with PowerApps and PowerBI administration
• Experience with PowerShell or similar scripting languages
• Experience with PKI, Certificate management and CACs
• Experience with virtualization and containerization technologies (Hyper-V / VMWare / Docker / Kubernetes)
Salary at Highbury Defense is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $85,000-100,000. The estimate displayed represents the typical salary range for this position and is just one component of Highbury Defense’s total compensation package for employees.
We’re an equal employment opportunity/affirmative action employer that empowers our people to fearlessly drive change – no matter their race, color, ethnicity, religion, sex (including pregnancy, childbirth, lactation, or related medical conditions), national origin, ancestry, age, marital status, sexual orientation, gender identity and expression, disability, veteran status, military or uniformed service member status, genetic information, or any other status protected by applicable federal, state, local, or international law.
