Microsoft Exchange Online Administrator

vamonosit; Ashburn (VA); On-site; USD 80,000 - 100,000; Full time

Benefits offered by this job

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

Job summary

Vamonos IT in Ashburn, Virginia is looking for a skilled Microsoft Exchange Online Administrator to join their team. This role involves administration and optimization of cloud-based email environments that enhance communication and productivity.

The ideal candidate will have a Bachelor’s degree in a related field, with 3+ years of experience in Microsoft Exchange Online. Vamonos IT offers a variety of employee benefits including health insurance and paid holidays.

Qualifications

• Minimum 3 years of experience administering Microsoft Exchange Online and Exchange Server.
• Proficiency in troubleshooting mail flow and authentication mechanisms.
• Excellent verbal and written communication skills.

Responsibilities

• Administer and optimize Microsoft Exchange Online environments.
• Monitor system performance and resolve issues.
• Manage user accounts, mailboxes, and permissions.

Skills

Hands-on experience administering Microsoft Exchange Online

PowerShell scripting

Troubleshooting email delivery issues

Strong understanding of Microsoft 365 services

Education

Bachelor’s degree in Computer Science, Information Technology, or related field

Tools

Microsoft Exchange Online

Exchange Server

Migration tools and processes

Job description

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.