Senior IT Specialist

R3 Lithium Inc.; Covington (GA); On-site; USD 90,000 - 120,000; Full time

Job summary

R3 Lithium Inc. in Covington, GA seeks a Senior IT Specialist to serve as the top hands-on tech resource, supporting reliable, secure technology across the organization.

You will resolve complex issues, administer Microsoft 365 and endpoint systems, and lead IT projects in coordination with leadership. The role requires 5+ years in IT with strong Windows and 365 expertise, endpoint and network skills, plus a proactive approach to security, documentation, and continuous improvement.

Qualifications

• 5+ years of professional IT experience, including 3+ years in advanced desktop, systems, or infrastructure support.
• Strong Windows administration and Microsoft 365 experience, including Entra ID, Exchange Online, Teams, SharePoint, and OneDrive.
• Experience deploying and supporting computers, mobile devices, peripherals, and enterprise applications.
• Working knowledge of TCP/IP, DNS, DHCP, VLANs, VPNs, Wi-Fi, and network troubleshooting.
• Understanding of endpoint security, identity protection, access controls, patching, and cybersecurity practices.
• Experience with IT ticketing, remote-management tools, technical documentation, and asset management.
• Ability to independently resolve complex issues, prioritize competing needs, and communicate clearly with technical and non-technical employees.

Responsibilities

• End-user support: Own escalated hardware, software, account, and connectivity issues through resolution.
• Employee lifecycle and assets: Onboard/offboard, access, licensing, device setup, inventory, and secure device retirement.
• Microsoft 365 and identity: Administer Entra ID, Exchange Online, Teams, SharePoint, and OneDrive with IT leadership guidance.
• Endpoint management: Deploy Windows/macOS/mobile devices with Intune; manage configurations, patching, encryption, and compliance.
• Cybersecurity: Support Defender for Endpoint Plan 2; investigate alerts and assist with incident response.
• Networking and infrastructure: Troubleshoot LAN/WAN, Wi‑Fi, VPN, DNS, DHCP, VLANs, switches, firewalls, and Meraki gear.
• Systems and projects: Support business apps, migrations, and infrastructure upgrades; assist backup/recovery and continuity.
• Documentation and improvement: Maintain procedures, diagrams, licensing, and automate recurring tasks.

Skills

Windows administration

Microsoft 365

End-user support

Networking basics

Cybersecurity awareness

Documentation

Problem solving

Tools

Intune

Entra ID

Exchange Online

SharePoint

OneDrive

VPN

Meraki

Cisco Secure Client

Defender for Endpoint

Atera

Job description

Position Summary

The Senior IT Specialist is R3 Lithium's senior hands-on technical resource, supporting reliable,

secure technology across the organization. This role resolves complex support issues, administers

Microsoft 365 and endpoint systems, supports networking and cybersecurity, and delivers

assigned IT projects. The position works independently while coordinating priorities and changes

with IT leadership.

Key Responsibilities

• End-user support: Own escalated hardware, software, account, and connectivity issues through resolution. Support employees and executives, maintain ticket records, and document repeatable solutions.
• Employee lifecycle and assets: Coordinate onboarding and offboarding, account access, licensing, device setup, equipment recovery, inventory, and secure device retirement.
• Microsoft 365 and identity: Administer Entra ID, Exchange Online, Teams, SharePoint, and OneDrive. Maintain users, groups, permissions, licensing, MFA, and Conditional Access under IT leadership guidance.
• Endpoint management: Deploy and maintain Windows computers and mobile devices using Intune and remote-management tools. Manage standard configurations, patching, encryption, compliance, and technology refresh activities.
• Cybersecurity: Support Microsoft Defender for Endpoint Plan 2 and related security tools. Investigate alerts, assist with incident response, remediate vulnerabilities, review access, and reinforce phishing prevention and security awareness.
• Networking and infrastructure: Troubleshoot LAN, WAN, Wi-Fi, VPN, DNS, DHCP, VLANs, switches, firewalls, and access points. Support Meraki equipment, Cisco Secure Client, cabling, and vendor escalations.
• Systems and projects: Support business applications, Microsoft Power Platform solutions, migrations, and infrastructure upgrades. Test changes before deployment and assist with backup, recovery, and business continuity activities.
• Documentation and improvement: Maintain procedures, network diagrams, asset and licensing records, and configuration documentation. Automate recurring tasks and recommend reliability, security, and service improvements.

Required Qualifications

• 5+ years of professional IT experience, including 3+ years in advanced desktop, systems, or infrastructure support.
• Strong Windows administration and Microsoft 365 experience, including Entra ID, Exchange Online, Teams, SharePoint, and OneDrive.
• Experience deploying and supporting computers, mobile devices, peripherals, and enterprise applications.
• Working knowledge of TCP/IP, DNS, DHCP, VLANs, VPNs, Wi-Fi, and network troubleshooting.
• Understanding of endpoint security, identity protection, access controls, patching, and cybersecurity practices.
• Experience with IT ticketing, remote-management tools, technical documentation, and asset management.
• Ability to independently resolve complex issues, prioritize competing needs, and communicate clearly with technical and non-technical employees.

Preferred Qualifications

• Hands-on experience with Microsoft Intune, Defender for Endpoint, Defender XDR, Conditional Access, and Microsoft 365 backup solutions.
• Experience with Meraki networking, Cisco Secure Client, Atera or similar RMM platforms, mobile device management, and cybersecurity incident response.
• Experience with Power Apps, Power Automate, SharePoint solutions, automation, or network
• Relevant Microsoft, CompTIA, Cisco, or cybersecurity certifications, such as Security+, Network+, CCNA, or Microsoft endpoint/security certifications.

Working Conditions

Provide onsite support and travel between R3 Lithium locations as needed. Occasional after-hours

work may be required for critical incidents, maintenance, or deployments. Responsibilities include

transporting IT equipment and performing workstation and network equipment installations.

Take ownership of technical work from investigation through resolution, maintain strong

customer service and documentation, and keep IT leadership informed of risks and progress. IT

leadership retains responsibility for the IT budget, cybersecurity strategy, vendor strategy, and

overall technology roadmap.

Success Measures

Timely and effective issue resolution; fewer recurring problems; reliable employee technology;

accurate onboarding, offboarding, and inventory; improved endpoint compliance and security;

successful project delivery; and employee satisfaction with IT services.