IT Support Specialist (Systems and Infrastructure)

Shrewsberry & Associates LLC•Indianapolis, IN

17h

About The Position

The IT Support Specialist (Systems & Infrastructure) is a senior technical role responsible for Tier 3 systems administration, cloud services, infrastructure support, and escalated troubleshooting.

Requirements

5+ years of experience in systems administration or advanced IT support.
Associates degree or higher in Information Technology, Computer Science, or a related field and/or current CompTIA A+.
Required Certification Network+, Security+ and/or CCNA
Strong experience with Microsoft 365, Azure AD, and Windows Server.
Experience with virtualization, backups, patching, and infrastructure monitoring.
Solid understanding of networking concepts (DNS, DHCP, VLANs, firewalls, VPNs).
Ability to troubleshoot complex technical issues independently.
Strong documentation and communication skills.
The successful candidate must be able to work independently, manage complex technical issues, and take ownership of systems administration responsibilities with minimal supervision.

Responsibilities

Administer and support Microsoft 365, Azure AD / Entra ID, and identity services.
Manage Windows Server environments, virtualization, storage, and backups.
Oversee patch management, system updates, and preventive maintenance.
Monitor and support backup and disaster recovery systems, including testing restores.
Support network infrastructure, including switches, firewalls, VPNs, and Wi-Fi (in coordination with MSP as needed).
Assist with endpoint management, Intune policies, device compliance, and security configurations.
Support cybersecurity initiatives, vulnerability remediation, and compliance readiness (including CMMC).
Serve as the primary escalation point for Tier 2 helpdesk issues.
Assist with complex end-user issues when standard troubleshooting is insufficient.
Coordinate with the MSP on Tier 4 issues, cybersecurity events, and major infrastructure changes.
Provide technical guidance and mentoring to Tier 2 support staff.
Assist with IT projects and rollouts as assigned.
Other IT duties as assigned.
Participate in and lead infrastructure projects, migrations, and upgrades.
Maintain accurate IT documentation, SOPs, system diagrams, and configurations.
Assist with vendor management, licensing reviews, and cost optimization.
Contribute to long-term IT strategy and roadmap planning