Principal Microsoft Exchange Infrastructure Consultant (Contract)

About the role

GEM Technologies is a cybersecurity-focused Managed Services Provider supporting organizations that depend on secure, reliable, and highly available technology infrastructure. We are seeking an experienced Microsoft Exchange consultant to serve as an extension of our engineering team on an as-needed basis.

Responsibilities

• Serve as the highest level of Exchange escalation for our engineering team.
• Troubleshoot complex on-premises Microsoft Exchange issues in production environments.
• Review, architect, and improve Exchange infrastructure.
• Lead or assist with upgrades, migrations, disaster recovery, and hybrid deployments.
• Troubleshoot Exchange dependencies involving Active Directory, DNS, networking, storage, certificates, and virtualization.
• Support Exchange environments utilizing Citrix NetScaler ADC and Citrix Virtual Apps & Desktops.
• Mentor engineers by explaining findings, recommendations, and best practices.
• Participate in occasional after-hours maintenance and production incident response.

Requirements

• We're looking for someone with significant hands-on experience in:
• Microsoft Exchange Server 2013, 2016, 2019, and ideally Subscription Edition Exchange architecture, DAGs, Hybrid Exchange, migrations, disaster recovery, and production troubleshooting
• Exchange PowerShell
• Active Directory, DNS, Microsoft Entra ID, and Entra Connect
• Citrix NetScaler ADC (load balancing, SSL, authentication, Exchange publishing)
• Citrix Virtual Apps & Desktops
• Windows Server infrastructure
• Enterprise networking concepts, certificates, mail flow, and security

This position is focused on on-premises Microsoft Exchange Server. Candidates whose experience is primarily limited to Exchange Online or Microsoft 365 administration without significant on-prem Exchange experience are not likely to be a good fit.

Qualifications

• The Ideal Candidate Has 10+ years supporting enterprise Microsoft Exchange environments
• Served as the senior escalation resource for complex Exchange issues
• Personally recovered failed Exchange implementations or production outages
• Architected or significantly redesigned Exchange environments
• Excellent troubleshooting methodology and root cause analysis skills
• Strong communication skills with the ability to mentor experienced engineers
• Experience working independently in unfamiliar environments

This Position Is Probably Not Right For You If Your experience is primarily Exchange Online or Microsoft 365 administration.

Pay

Hourly Contract Rate $100-$150 per hour, based on experience, technical expertise, certifications, and the complexity of the engagement.

Benefits

• Compensation: Hourly consulting rate $80 to $125 is negotiable and will be determined based on the consultant's experience, demonstrated technical expertise, certifications, and the scope and complexity of each engagement.