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Senior Infrastructure Engineer - Messaging; Law Firm

Job in Chattanooga, Hamilton County, Tennessee, 37450, USA
Listing for: Jobot
Full Time position
Listed on 2026-04-23
Job specializations:
  • IT/Tech
    Cloud Computing, Systems Engineer, IT Specialist
Salary/Wage Range or Industry Benchmark: 140000 - 160000 USD Yearly USD 140000.00 160000.00 YEAR
Job Description & How to Apply Below
Position: Senior Infrastructure Engineer - Messaging (Law Firm)

Job Details

Top Law Firm seeks to add an experienced Senior Infrastructure Engineer to their growing team! In this role you will be designing, implementing & supporting a reliable, secure, & scalable Microsoft 365 messaging environment. The focus is on Exchange Online, ensuring availability, security, compliance, & performance in a hybrid, multi-office environment. In addition, you will also serve as a technical lead for Microsoft 365 messaging services.

Salary: $140,000 - $160,000 per year

Why join us?
  • Inclusive culture that values you as an individual!
  • Hybrid or remote options!
  • Competitive compensation and benefits package
  • Dental, Vision, Life Insurance, Short & Long-term disability benefits
  • Transportation reimbursement!
  • 401k
  • Paid time and sick time off!
Requirements
  • Previous experience working in a large multi-office law firm is a MUST
  • 7+ years of IT infrastructure experience, with at least 5 years focused on Exchange administration and Microsoft 365 messaging in a mid- to large-sized enterprise.
  • Deep experience administering Exchange Online and Exchange Server in hybrid configurations, including cross-version upgrades and complex mail flow.
  • Proven experience leading Exchange migrations from on-premises Exchange (including Exchange Server Subscription Edition) to Exchange Online; exposure to tenant-to-tenant or multi-organization Microsoft 365 migrations is strongly preferred.
  • Advanced Power Shell scripting skills and practical experience using Microsoft Graph to automate and manage Exchange Online and related Microsoft 365 messaging tasks and workflows.
  • Experience administering and supporting Mimecast (or a similar email security platform) and managing email hygiene controls such as DKIM, DMARC, and SPF.
  • Knowledge of Microsoft 365 integration and migration tools and methods, such as Azure AD Connect and hybrid Exchange configurations.
  • Demonstrated ability to troubleshoot complex messaging and client issues end to end, including mail flow, connectivity, and client performance, and to drive durable fixes.
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Position Requirements
10+ Years work experience
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