Senior M365 Exchange Administrator

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.

We are seeking an experienced and highly skilled Senior Microsoft Exchange Administrator to lead the administration, configuration, and support of our organization's Exchange environment, with a strong understanding of Exchange on-premises and Exchange Online. The ideal candidate will possess deep expertise in with Exchange hybrid environments and related Microsoft 365 services, like Purview and Entra ID. This role involves collaborating with cross-functional teams to support business needs, implement best practices, and drive continuous improvements in our email and collaboration infrastructure.

Key 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: Expertise with Purview implement 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 PowerShell 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.

Qualifications:

• 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 PowerShell 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.

Pay Transparency: In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings.  The successful candidate’s starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range.

For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.

Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: https://www.Vantor.com/careers

The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire.  If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire. 

The date of posting can be found on Vantor's Career page at the top of each job posting.

To apply, submit your application via Vantor's Career page.

EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.