TEKsystems · 13 hours ago
M365 Architect
Fort Mill, SC
Full-time
Hybrid
Senior Level
$60/hr - $90/hrTEKsystems is a leading provider of business and technology services, and they are seeking an M365 Architect to modernize their Microsoft 365 ecosystem. This role involves providing hands-on architectural leadership for a multi-tenant M365 model, focusing on Exchange Online, Identity, and Collaboration workloads.
Information Technology
Responsibilities
Validate the current M365 and identity stack for a large‑scale, multi‑tenant future state
Assess and refine the DBA‑aligned multi‑tenant model, including email routing, domains, identity, and collaboration impacts
Identify architectural risks, constraints, compliance considerations, and long‑term evolution paths
Evaluate implications for Teams, SharePoint, OneDrive, and future Copilot enablement
Develop architectural documentation for Exchange Online multi‑tenant patterns, domain/DNS scaling, identity strategy, and cross‑tenant collaboration/isolation
Lead deep‑dives with Microsoft and technical partners
Provide architectural input for executive decision materials (feasibility, risks, trade‑offs)
Participate in leadership sessions to clarify architectural direction
Review vendor deliverables for accuracy and alignment
Ensure consistency across IAM, Security, Operations, and Compliance
Define non‑functional requirements (security, scale, monitoring, operations)
Validate migration patterns, throughput, and automation needs
Guide cross‑tenant identity/mailbox cutovers, multi‑practice users, office isolation, and DNS automation at scale
Produce ADRs, validations, and design redlines
Qualification
Required
Deep architecture experience with Exchange Online, hybrid deployments, and large migrations
Strong Entra ID (Azure AD) identity design knowledge
Expertise in multi‑tenant M365, domains/DNS, federation, email routing
Experience with M365 Lighthouse and automation (PowerShell, Graph API)
Delivered migrations of 25k–100k+ users in regulated environments
Familiarity with Quest ODM, BitTitan, and Microsoft native tooling
Understanding of regulatory isolation, DLP, sensitivity labels, transport rules, audit & monitoring models
Excellent communicator able to present complex architecture to executives
Strong cross‑functional leadership across IAM, Security, Ops, and PMO
Benefits
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Company
TEKsystems
At TEKsystems, they understand people. Every year they deploy over 80,000 IT professionals at 6,000 client sites across North America,
Founded in 1994
10001+ employees
H1B Sponsorship
TEKsystems has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (46)
2024 (52)
2023 (33)
2022 (22)
2021 (36)
2020 (53)
Funding
Current Stage
Late StageLeadership Team
Ryan Skains
Vice President, TEKsystems Global Services
Recent News
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2026-02-03
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2025-10-29
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