Added Jun 02, 2026 Senior Exchange Engineer (46167) Remote, Remote | Contract Apply
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Job Description
LRS is seeking a Senior Exchange Engineer with deep expertise in Microsoft Exchange Server 2019 and Office 365 (Microsoft 365) to lead and support enterprise-level migrations to a hybrid Exchange environment with Single Sign-On (SSO) integration. This role requires hands-on experience with designing, implementing, and optimizing hybrid identity and messaging solutions.
Key Responsibilities
Lead the design and implementation of Exchange Hybrid deployments between on-premises Exchange 2019 and Exchange Online.
Plan and execute mailbox migrations (cutover, staged, and hybrid migrations) with minimal downtime.
Configure and maintain Azure AD Connect, including directory synchronization and identity federation.
Implement and support Single Sign-On (SSO) using technologies such as:
Active Directory Federation Services (AD FS)
Pass-through Authentication (PTA)
Seamless SSO
Manage and optimize mail flow, including connectors, transport rules, and security policies.
Troubleshoot complex issues related to:
Hybrid configuration
Identity and authentication
Mail delivery and routing
Collaborate with security teams to enforce compliance, retention, and data protection policies.
Perform system health checks, monitoring, and capacity planning.
Document architecture, configurations, and migration processes.
Provide post-migration support and optimization for Microsoft 365 workloads (Exchange Online, Teams integration if applicable).
Required Qualifications
7+ years of overall IT experience.
5+ years of hands-on experience with Microsoft Exchange (2013/2016/2019).
3+ years of experience implementing Exchange Hybrid environments.
3+ years of experience with Microsoft 365 / Exchange Online.
Proven experience with:
Exchange 2019 to Exchange Online migrations
Hybrid Configuration Wizard (HCW)
Azure AD Connect configuration and troubleshooting
Strong knowledge of:
SMTP, DNS, Autodiscover, and mail routing concepts
PowerShell scripting for Exchange and M365 administration
Experience implementing SSO solutions:
AD FS or Azure AD authentication methods
Familiarity with identity lifecycle management and user provisioning.
Preferred Qualifications
Microsoft certifications such as: o Microsoft 365 Certified: Messaging Administrator Associate
Azure Administrator or Identity certifications
Experience with: o Modern Authentication (OAuth, MFA, Conditional Access)
Security tools like Defender for Office 365
Hybrid coexistence scenarios (free/busy sharing, calendar federation)
Knowledge of backup, archiving, and disaster recovery strategies for Exchange.
Technical Skills
Soft Skills
Key Success Metrics
The base range for this contract position is $60 - $80 per hour, depending on experience. Our pay ranges are determined by role, level, and location. The range displayed on each job posting reflects the minimum and maximum target for new hires of this position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.
LRS is an equal opportunity employer. Applicants for employment will receive consideration without unlawful discrimination based on race, color, religion, creed, national origin, sex, age, disability, marital status, gender identity, domestic partner status, sexual orientation, genetic information, citizenship, status or protected veteran status.
In some cases, LRS Consulting uses generative artificial intelligence ("AI") in support of our hiring processes. LRS takes steps to ensure the use of AI does not result in discrimination based on protected class(es). AI may be used in the hiring process solely in support of the assessment of candidate qualifications. All decisions in the hiring process are made by LRS employees. If AI will be used in the hiring process for the position for which you are applying, you will be notified and will have the opportunity to opt out. Please contact AI.Questions@lrs.com with any questions.
Colorado Pay Range:
60.00 - 80.00/per Hour
What to do if you suspect fraud:
If you receive a suspicious offer or communication claiming to be from us, do not share any personal or financial information. You can notify us using our contact page at Contact Levi, Ray & Shoup, Inc.
IMPORTANT NOTES: