System Administrator

iSuite L.L.C. is seeking a qualified professional to join our Information Technology team. iSuite is a business support services organization formed in 2023. The organization provides business development and pursuit, estimating, safety, accounting, human resources,
information technology
, marketing, and training services to clients within the Architecture, Engineering, Construction (A/E/C) industry.

This shared-services company supports the IMI business units and provides a uniform, employee-based culture founded on our Support the Build mentality. This mentality aligns with our employee-owned company so that all personnel take an owner’s mindset approach to our business. iSuite is headquartered in Nashville, TN and has branches in Granite City, IL, Chesterfield, MO and Charlotte, NC.

We are currently looking for a System Administrator to join our Information Technology team located at our office in Atlanta, GA. Our ideal candidate for a System Administrator will be responsible for the configuration, reliability, and integration of the core technology systems that support IMI Companies and ITs business units - icon Mechanical, iENG Design, eagle Controls, and iSuite shared services.

The role owns system configuration, identity and access management, user integrations, and proactive monitoring so that IT services are stable, secure, and consistent at every site.

• Administer and maintain core systems including Microsoft 365 (Exchange Online, SharePoint, One Drive, Teams), Microsoft Entra , and the supporting server, virtualization, and cloud-resource environment.
• Configure tenant settings, group policies, and conditional access to meet IMI security and governance standards.
• Perform patching, updates, and version upgrades during approved change windows, applying changes through IMI Change Management with documented configurations and recovery points before and after each change.
• Provision, modify, and deprovision accounts, mailboxes, security groups, and licenses across all IMI business units.
• Execute onboarding and offboarding within defined SLAs so access matches role and business unit; keep HaloPSA request workflows and automation current.
• Manage SSO, MFA, and conditional access; integrate third‑party SaaS applications into Entra .
• Support cross‑system integrations between M365, Dataverse, HaloPSA, and approved line‑of‑business applications.
• Administer Microsoft Intune (and successor MDM tooling) for compliance, configuration profiles, and software deployment, within the policies set by Endpoint Management.
• Build, test, and package approved software; support the non‑standard software request workflow.
• Hand off device lifecycle and inventory questions to the Hardware & Asset Administrator rather than maintaining parallel records.
• Monitor systems, services, and integrations for availability, performance, and security indicators; act on root causes before users are affected.
• Serve as the Tier 3 escalation point for the Service Desk and take part in incident and problem management.
• Validate backups, run restore tests, and support disaster recovery and business continuity exercises.
• Maintain a runbook and a named backup for every system and integration in scope; keep documentation reviewed at least annually.
• Cross‑train with other IT Operations staff so critical tasks (provisioning, patching, license management, restores) can be performed by more than one person.
• Confirm that any new or changed system has an owner, a backup, and a runbook before go‑live, and sign off on technical readiness at project handoff.
• Enforce IMI Data Classification Guidelines and least‑privilege access on…