Microsoft Exchange Online Administrator

Reposted 29 Days Ago
Hiring Remotely in Ashburn, VA, USA
In-Office or Remote
Mid level
Cloud • Information Technology • Software • Cybersecurity
The Role
Administer and optimize Exchange Online and Exchange Server environments, troubleshoot mail flow and connectivity, manage mailboxes/permissions, support migrations to Exchange Online, implement security and compliance controls, provide Tier 2/3 support, document configurations, and mentor junior staff.
Summary Generated by Built In

Description

Vamonos IT, a dynamic and innovative leader in enterprise technology solutions, is seeking a skilled and dedicated Microsoft Exchange Online Administrator to join our growing team. This position offers an exciting opportunity to play a key role in the administration, optimization, and security of our clients’ cloud-based email environments, contributing directly to improved business communication and productivity across diverse industries.

Responsibilities

  • Administer, maintain, and optimize Microsoft Exchange Online environments for clients and internal teams.
  • Monitor system performance and proactively identify, troubleshoot, and resolve issues to ensure high availability and reliability.
  • Manage user accounts, mailboxes, groups, permissions, and policies within Exchange Online and Microsoft 365 ecosystems.
  • Design and implement mail flow rules, transport rules, and security controls to protect against threats such as phishing, spam, and data leakage.
  • Assist with the migration of on-premises Exchange environments to Exchange Online, including planning, execution, and post-migration support.
  • Collaborate with IT teams to integrate Exchange Online with other cloud services (Teams, SharePoint, OneDrive, etc.) and support unified communications initiatives.
  • Maintain comprehensive documentation on configurations, procedures, and troubleshooting steps.
  • Provide Tier 2/3 technical support for end users, resolving escalated issues related to email delivery, calendar synchronization, mobile integration, and Outlook connectivity.
  • Support compliance initiatives by configuring retention policies, legal holds, auditing, and eDiscovery features.
  • Stay current with Microsoft Exchange Online updates, new features, and best practices, recommending enhancements where appropriate.
  • Participate in security monitoring, incident response, and disaster recovery planning for Exchange Online and related services.
  • Train and mentor junior IT staff on Exchange Online administration and troubleshooting.
  • Support internal Vamonos IT initiatives and operations as needed.
  • Support the Vamonos IT business development initiatives and team.
  • Engage/complete continuing education/certification processes as prescribed by customer and/or Vamonos IT.

Required Qualifications

  • Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).
  • Minimum 3 years of hands-on experience administering Microsoft Exchange Online and Exchange Server environments.
  • Strong understanding of Microsoft 365 services, PowerShell scripting, and email security protocols.
  • Experience with migration tools and processes (e.g., hybrid deployments, cutover/staged migrations).
  • Proficiency in troubleshooting email delivery issues, mail flow, and authentication mechanisms.
  • Excellent verbal and written communication skills, with an ability to explain technical concepts to non-technical stakeholders.
  • Ability to work independently, manage multiple priorities, and maintain a high standard of professionalism under pressure.

About Vamonos IT

Our experienced team of technical Subject Matter Experts and Professional Project Managers deliver solutions to the toughest challenges in enterprise cloud computing and infrastructure management within the Homeland Security and Federal civilian landscape.
Our Mission is to set the bar in service delivery excellence, providing professional services our customers cannot help but notice.
Our core values of Exceptional Service, Accountability, Continual Improvement, and Opportunity for Growth drive our customers' success and include an inward focus on our team and interactions with each other.

From our customer-facing teams to internal operations, we want to conduct business in a way all employees can proudly and confidently represent Vamonos IT.

Our benefits include:

  • Paid Federal Holidays
  • Health, Dental, and Vision insurance options
  • Simple IRA with matching
  • Robust Paid Vacation Policy
  • Continuing Education Assistance
  • Short Term Disability
  • Company provided life insurance

Veterans are encouraged to apply

Vamonos IT, LLC does not discriminate in employment opportunities, terms, and conditions of employment, or practices on the basis of race, age, gender, religious or political beliefs, national origin or heritage, disability, sexual orientation, or any characteristic protected by law.

Skills Required

  • Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent practical experience)
  • Minimum 3 years hands-on experience administering Microsoft Exchange Online and Exchange Server environments
  • Strong understanding of Microsoft 365 services, PowerShell scripting, and email security protocols
  • Experience with migration tools and processes (hybrid deployments, cutover/staged migrations)
  • Proficiency troubleshooting email delivery issues, mail flow, and authentication mechanisms
  • Experience configuring retention policies, legal holds, auditing, and eDiscovery features
  • Experience managing user accounts, mailboxes, groups, permissions, and policies within Exchange Online and Microsoft 365
  • Excellent verbal and written communication skills
  • Ability to work independently and manage multiple priorities under pressure
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The Company
HQ: Woodbridge, Virginia
23 Employees
Year Founded: 2018

What We Do

Whether you are moving IT services to the cloud or optimizing an existing infrastructure, Vamonos IT will guide your transition and enable you to take full advantage of the Microsoft Cloud services available today and into the future. Vamonos IT offers tenant-to-desktop support with extensive domain knowledge and years of directly supporting on-premises Microsoft technologies coupled with large scale cloud migrations and ongoing support. Our experienced team of technical Subject Matter Experts deliver solutions to the toughest challenges in enterprise cloud computing and infrastructure management within the Homeland Security and Federal civilian landscape. In fact, some of our experts have been working with email and identity management since their introduction on an enterprise scale. Our mission as a company and as individuals is to set the bar in service delivery excellence, providing support and service our customers feel they cannot live without. Specialties: On premises and Microsoft 365 architecture and engineering, AD and Azure AD identity and access management, PowerShell scripting, process automation, SharePoint and custom product development, enterprise data migrations, system health monitoring, security and compliance support, service desk management, project management, product management, training and product rollout Let's go!

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