M365 Exchange Administrator
Listed on 2025-12-15
-
IT/Tech
IT Support, Systems Administrator, Cybersecurity, Cloud Computing
Overview
Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can shape your own future, build the next big thing, and change the world.
To be eligible for this position, you must be a U.S. Person
, defined as a U.S. citizen, permanent resident, Asylee, or Refugee.
Note on Cleared Roles: If this position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.
Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
Please review the job details below.
Responsibilities- Exchange Online & On-Premises Administration: Manage, configure, and maintain both Exchange Online and on-premises Exchange Server environments, including mail flow, mailbox management, hybrid configurations, and service health monitoring.
- Hybrid Deployment & Migration: Lead and support hybrid Exchange deployments, migrations from on-premises Exchange to Exchange Online, and co-existence strategies to ensure minimal disruption.
- Infrastructure Support: Maintain and troubleshoot on-premises Exchange Server environments (versions 2016, 2019, Subscription Edition), including server health, patching, updates, and backup/recovery procedures.
- Security & Compliance: Implement Purview and enforce security policies, data loss prevention (DLP), eDiscovery, retention policies, sensitivity labels, and compliance standards across both environments.
- Troubleshooting & Support: Provide advanced support for email-related issues in hybrid environments, perform root cause analysis, and resolve complex problems promptly.
- Automation & Scripting: Develop and maintain Power Shell scripts and automation tools to streamline administrative tasks across both on-premises and cloud platforms.
- Migration & Integration: Plan and execute migrations from on-prem to online and across tenants, including mailbox moves, coexistence configurations, and integration with other Microsoft 365 services.
- Documentation & Best Practices: Maintain comprehensive documentation of systems, configurations, and procedures; promote best practices for email security and infrastructure.
- Collaboration & Training: Work closely with IT teams, end-users, and management to understand needs and deliver solutions; provide training or guidance as needed.
- Monitoring & Reporting: Monitor service health, generate reports on usage, performance, and security metrics for both Exchange on-premises and online environments.
- Stay Current: Keep up-to-date with the latest Microsoft 365 and Exchange Server developments, updates, and industry trends to recommend improvements.
- Must be US Citizen willing to obtain Secret Clearance.
- Bachelor’s degree in Information Technology, Computer Science, or related field.
- 5+ years of experience managing Microsoft Exchange Server and Exchange Online environments, preferably in a GCC-High environment.
- Strong proficiency with Power Shell scripting and automation for both on-premises and cloud environments.
- Experience with hybrid Exchange deployments, migration planning, and management.
- Strong expertise of email security, anti-spam, anti-malware, and compliance tools such as Proofpoint and Microsoft Purview.
- Familiarity with security & compliance center.
- Solid understanding of Active Directory, DNS, SSL/TLS, and network configurations related to Exchange.
- Familiarity with Microsoft Outlook, SharePoint, Planner, Power Automate, and desktop Office suite.
- Excellent troubleshooting skills and problem-solving ability.
- Strong communication and teamwork skills.
In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful…
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).