Lead Exchange Engineer – Tier 3, Windows/AD, Enterprise Messaging

Maveris

full-time

Posted on: 9/20/2025

Origin: • 🇺🇸 United States • District of Columbia, Washington

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Senior

AzureDNSTCP/IP

About the role

Own Windows Server/AD services (GPO, DNS/DHCP, OU design, patching, monitoring) across production enclaves.
Own core Windows/AD services, automation, and change operations; leverage or develop messaging/Exchange expertise to improve availability and hybrid posture.
Automate at scale with PowerShell; document runbooks and change procedures; participate in change windows and on-call rotations.
Troubleshoot complex infrastructure issues end-to-end (networking, TLS, certificates, identity).
Contribute to Exchange 2016/2019 operations (DAG health checks, CU planning, hybrid touch-points) in partnership with a messaging SME.

Bachelor’s in Computer Science, Information Technology, or related field — or equivalent practical experience.
10 years of Windows Server or Windows Systems administration
4 years of administering Active Directory in enterprise production environments.
Strong grasp of networking fundamentals (TCP/IP, DNS, DHCP, routing) and certificate/TLS management.
Proven PowerShell for administration/automation; excellent written and verbal communication.
Ability to work 100% onsite in Washington, DC; U.S. citizen.
Preferred: Top Secret with SCI (active or crossover-eligible).
Preferred: Microsoft Exchange 2016/2019 exposure: performance monitoring, CU/patch participation, upgrade planning, and advanced troubleshooting (mail flow, client connectivity, database/index health).
Preferred: Hybrid/M365 touchpoints: HCW, OAuth/Modern Auth, MRS/MRSProxy, and EOP/Defender hygiene.
Preferred: Experience with load balancers (F5/NetScaler), PKI/certificate lifecycle, and enterprise monitoring (SCOM/M365 health sets).
Preferred: Azure background; Microsoft Azure certifications (e.g., AZ-104/AZ-305) preferred.
Preferred: Prior work in federal or classified environments (STIG/RMF/NIST).