Senior Managed Services Engineer (L2/L3) – Enterprise MSP
Location: Remote - Overnight
Job Type: Full‑time
Company: LincolnIT
Job Summary
LincolnIT is seeking a Senior Managed Services Engineer (L2/L3) to support a large, enterprise‑scale managed services engagement delivered under a hybrid MSP/MSO model. This role is dedicated to a single client environment and is responsible for day‑to‑day operational execution across infrastructure, cloud, identity, Microsoft 365, endpoint operations, and data protection.
This position is ideal for an experienced MSP engineer who values ownership, stability, and disciplined service delivery over ticket churn or ad‑hoc project work.
Key Responsibilities
Infrastructure & Cloud OperationsOperate and support VMware and AWS environments
Provision and decommission Windows and Linux servers
Maintain OS build standards, capacity validation, and inventory accuracy
Support Microsoft server platforms including SQL, RDS, and VDI
Patch & Vulnerability ManagementExecute monthly OS patching for Windows and Linux servers
Support emergency and zero‑day patching activities
Perform patch validation, rollback, and post‑patch verification
Remediate vulnerabilities aligned to CVSS severity and approved change windows
Document remediation outcomes and approved exceptions
Application Patch SupportCoordinate patching with internal application owners and third‑party vendors
Execute approved patch plans during maintenance windows
Validate application functionality post‑patch
Document dependencies, outcomes, and issues
Backup, Storage & Data ProtectionAdminister enterprise backup and recovery platforms (e.g., Rubrik, Pure Storage, Dell PowerScale, Azure Files, M365 workloads)
Monitor backup jobs and remediate failures
Perform file‑level, mailbox‑level, and VM‑level restores
Support retention, compliance alignment, and restore testing
Identity & Access ManagementAdminister Active Directory (users, groups, GPOs, OUs)
Execute access change requests and decommissioning activities
Support Microsoft Entra ID user, role, and Conditional Access administration
Maintain identity hygiene and lifecycle processes
Microsoft 365 AdministrationAdminister Microsoft 365 tenant services
Manage licensing and configuration settings
Support Exchange Online and hybrid environments
Perform mailbox provisioning, permissions management, and mail‑flow troubleshooting
Execute litigation hold and retention administration (administrative tasks only)
Endpoint Management & Security OperationsSupport endpoint patching and vulnerability remediation at scale
Enforce CIS and approved security baselines
Execute endpoint policy enforcement and failure remediation
Support compliance and remediation reporting
Incident, Request & Change ExecutionRespond to and resolve incidents across servers, endpoints, and Microsoft 365 (P1–P4)
Participate in a 24×7 on‑call rotation for Priority 1 incidents
Execute approved changes in accordance with CAB and ITIL processes
Coordinate escalations with vendors and internal specialist teams
Contribute to root cause analysis and continuous service improvement
How This Role OperatesDedicated to a single enterprise client during business hours (staggered shifts)
Works within a governed MSP framework (SDM, SLAs, CAB)
Uses automation and tooling for repeatable operational tasks
Supported by shared NOC, cloud, escalation, and specialist teams
Overnight Shift
Required Qualifications5+ years of experience in MSP or enterprise IT operations
Strong Windows Server and Active Directory administration skills
Hands‑on VMware experience; AWS operational experience preferred
Microsoft 365 and Exchange Online administration experience
Proven experience with patching, vulnerability remediation, and backups
Familiarity with ITIL‑aligned incident, problem, and change management
Experience supporting large‑scale environments (hundreds of servers, thousands of endpoints)
Strong documentation and operational discipline
Preferred QualificationsHealthcare or regulated‑industry experience
Experience with Rubrik, Citrix, Pure Storage, or similar platforms
Microsoft, VMware, or AWS certifications
What We OfferEnterprise‑grade environments and long‑term client engagements
Clear scope, ownership, and accountability
Mature MSP operating model with strong governance
Support from shared specialist and escalation teams
Competitive compensation and benefits
Why LincolnIT
At LincolnIT, we focus on operational excellence, clarity, and accountability. This role offers real ownership, stability, and the opportunity to work in a disciplined MSP model supporting enterprise clients — without chaos or ambiguity.