Sr. Engineer III, Microsoft Systems

iVision Scale LLC

About The Position

The Senior Engineer III, Digital Workspace Engineering, designs, implements, and supports modern workplace solutions that deliver secure, stable, and productive end-user experience. This role leads and supports complex initiatives across Microsoft 365 and on-premises environments, including Active Directory, Exchange On-Prem, PKI (AD CS), Entra ID, Windows and Linux server platforms, collaboration services, and security controls. Operating within Managed Services SLAs, change management, and documentation standards, this engineer also mentors mid-level and junior engineers and serves as a senior escalation point for complex incidents and projects.

Requirements

Four-year university degree/college diploma in Computer Science or related field and/or 10+ years of equivalent experience.
10+ years supporting and engineering enterprise environments.
Exceptional knowledge of Microsoft 365 administration and core workloads (Entra ID, Exchange Online, Teams, SharePoint Online, OneDrive).
Advanced working knowledge of Entra ID (Azure AD), including MFA, Conditional Access, SSO, and identity troubleshooting.
Extensive experience with the Microsoft Active Directory stack including Users & Computers, Group Policy, Site & Services, AD FS, AD CS, DNS, and DHCP.
Exceptional knowledge in Microsoft Server 2016, 2022, and 2025.
Working knowledge of Linux (RHEL, Debian, and various spinoffs).
Hands-on experience of Exchange On-Prem administration.
Strong understanding of modern authentication, device identity, and access models (Zero Trust, OAuth/SAML concepts, federated identity fundamentals).
Experience developing automation and orchestration relevant to Managed Services operations (e.g., PowerShell, Graph-based administration concepts).
Knowledge of applicable data privacy practices and laws.
Strong understanding of organizational goals and client success measures.
Team-oriented professional who values collaboration, knowledge sharing, and collective success.
Excellent interpersonal, written, and oral communication skills.
Ability to research and resolve complex service issues under pressure.
Ability to prioritize and execute tasks in a fast-paced, high-volume environment.
Ability to explain technical concepts in user-friendly language to both technical and non-technical stakeholders.
Ability to work independently and/or in a group to meet Client expectations.
Demonstrates ownership and accountability for systems, projects, and outcomes.
Comfortable working cross-functionally with security, networking, infrastructure, and leadership teams.
Keen attention to detail, strong analytical and problem-solving abilities.
Exceptional documentation and technical writing skills.
Strong work ethic with the ability to meet commitments and deadlines.

Nice To Haves

Highly desired certifications (or equivalent demonstrated experience): Microsoft 365 Certified: Administrator Expert (MS-102) Microsoft: Identity & Access / Security / Teams Administrator / Microsoft 365 (role-based equivalents acceptable) ITIL (Managed Services process alignment)
Experience integrating workspace services with hybrid/on-prem components (Entra Connect / Cloud Connect) is a plus.
Managed Services experience is a strong plus.
Public cloud familiarity (Azure) is a plus.
Citrix administration familiarity is a plus.
SharePoint On-Prem administration is a plus

Responsibilities

Implement short and long-term strategic plans to ensure digital workspace capacity, availability, and performance meet current and future client needs.
Develop, implement and maintain standards, policies, procedures, and training plans for digital workspace administration and appropriate use.
Establish best practices for deploying, configuring, maintaining, and troubleshooting Microsoft 365 services, Active Directory, endpoint management, and identity platforms.
Define and maintain workspace standards (identity, device management, security baselines, app deployment, collaboration) across multi-client environments.
Develop and deploy methodologies for measuring service health and user experience, producing operational metrics and reports (e.g., device compliance, patch posture, MFA adoption, service health).
Collaborate with leadership on Managed Services SLAs, escalation paths, and process maturity (incident/problem/change management).
Plan, acquire, and coordinate implementation of digital workspace technologies across client environments (cloud and on-prem integrations as applicable).
Conduct research and make recommendations on workspace products, services, protocols, and standards to support procurement and engineering decisions.
Work with vendors, outsourcers, and contractors to evaluate workspace tools and services (identity, collaboration, and security).
Assess and administer changes and upgrades following ivision’s Managed Services Change Management processes, including maintenance windows, client communications, validation plans, and rollback strategies.
Manage and ensure optimal operation of the digital workspace, including: Microsoft 365 services Microsoft Active Directory stack Exchange On-Prem Identity and Access Management
Maintain and improve workspace security posture in alignment with client requirements and best practices (e.g., security baselines, device compliance enforcement, access controls).
Own advanced troubleshooting and root-cause analysis for complex incidents impacting end-user productivity (authentication, client configuration, sync, collaboration performance, device health).
Establish and maintain clear written and in-person communications with client stakeholders and leadership regarding planned changes, incidents, risks, and improvement initiatives.
Administer user and device access rights, permissions, and role-based access controls in Microsoft 365 and related systems.
Lead, mentor, and develop mid-level and junior engineers; provide technical guidance during escalations, peer reviews, and knowledge-sharing sessions.
Drive continual service improvement through documentation, standardization, automation, and operational readiness practices.