MSP Systems Administrator (Level 3 / Tier 3)

Grid4 Communications•Troy, MI

174d•$63,000 - $82,000

About The Position

Are you a goal-oriented IT professional who thrives on solving complex problems, helping people, and delivering outstanding customer experiences? Then this role might be perfect for you! This is a great opportunity to join Grid4 Communications and grow your career with us. We’re looking for a highly motivated Level 3 MSP Systems Administrator to join a great team and have a real impact on the business and our customers. The ideal candidate is a customer champion who brings a combination of deep technical expertise, strong troubleshooting instincts, great judgment, and all-star collaboration skills. You’ll be comfortable working across multiple client environments (multi-tenant), balancing a mix of escalations and project work, and measuring success by customer satisfaction, stable systems, and long-term improvements.

Requirements

5+ years of IT experience (MSP or multi-client environment strongly preferred)
Strong experience with: Microsoft 365 administration and troubleshooting
Entra ID (Azure AD) identity and access management, MFA, and Conditional Access concepts
Windows Server: Active Directory, Group Policy, DNS/DHCP, and general server troubleshooting
Windows 10/11 support, endpoint standards, and patching best practices
Solid understanding of networking fundamentals: TCP/IP, DNS, DHCP, VLANs, VPNs, firewalls
Familiarity with MSP service delivery workflows and tools: RMM / PSA / EDR (specific platforms not required)
Multi-tenant management experience is a big plus
Strong analytical skills and structured troubleshooting approach
Customer-first attitude with excellent communication and documentation habits
Innovative approach, “get it done” mentality, and strong prioritization skills

Nice To Haves

Intune experience, Azure fundamentals, PowerShell automation
VMware/Hyper-V exposure
Experience in compliance-driven environments (HIPAA/SOC concepts)

Responsibilities

Serve as the primary escalation point for Tier 3 issues and high-impact incidents, owning resolution end-to-end
Troubleshoot complex issues across Microsoft 365 / Entra ID (Azure AD), Windows endpoints, Windows Server, backups, security, and networking fundamentals
Perform root-cause analysis and implement permanent fixes to reduce recurring issues and improve reliability
Lead and execute project work such as: Microsoft 365 migrations (Exchange Online, Teams, SharePoint/OneDrive), Security initiatives (MFA, Conditional Access, baseline hardening, email security improvements), Endpoint management improvements (Intune preferred) including policies, app deployment, and standards, Server refreshes, upgrades, and infrastructure modernization (including virtualization where applicable), Backup/DR improvements including monitoring and test restores
Maintain workload through a ticket queue, documenting troubleshooting steps, test results, and resolutions clearly
Communicate professionally with customers and internal teams, providing regular updates and setting expectations
Create and maintain documentation such as runbooks, SOPs, diagrams, and client standards
Mentor Tier 1/2 technicians through coaching, knowledge transfer, and escalation guidance
Support client onboarding activities including discovery, standardization, and transition to MSP best practices
Make recommendations for process, tooling, and standardization improvements that scale across multiple clients
Be able to perform individually at or above expectations in a fast-paced, multi-client environment