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Systems Engineer; Microsoft Exchange Focus
Job in
New York, New York County, New York, 10261, USA
Listed on 2026-06-26
Listing for:
Phaxis
Full Time
position Listed on 2026-06-26
Job specializations:
-
IT/Tech
Systems Administrator, Windows Server, Cloud Computing: Infrastructure & Operations, IT Support
Job Description & How to Apply Below
Location: New York
Overview
We are seeking an experienced Systems Engineer with deep skills in Microsoft Exchange and enterprise messaging environments. This role is responsible for the design, administration, maintenance, and support of the organization's messaging infrastructure, including Exchange Online, hybrid Exchange environments, Microsoft 365, and related systems.
The ideal candidate will have strong experience managing complex email environments, troubleshooting mail flow issues, supporting migrations, and ensuring high availability, security, and compliance across enterprise communication platforms.
Salary is 170k to 185k + bonus
Responsibilities- Administer and support Microsoft Exchange Online and hybrid Exchange environments
- Manage mail flow, connectors, transport rules, shared mailboxes, distribution groups, and retention policies
- Monitor Exchange performance, availability, and capacity planning
- Troubleshoot complex email delivery, authentication, and mailbox issues
- Perform mailbox migrations, upgrades, and system maintenance activities
- Support Microsoft 365 services including Outlook, Teams, and Azure AD integrations
- Manage Exchange security configurations including SPF, DKIM, DMARC, anti-spam, and anti-phishing protections
- Maintain high availability and disaster recovery solutions for messaging systems
- Configure and support mobile device access and email security policies
- Support Windows Server infrastructure and Active Directory environments
- Maintain DNS, certificates, authentication systems, and related infrastructure services
- Assist with virtualization platforms and cloud-based infrastructure solutions
- Implement automation and scripting solutions using Power Shell
- Ensure messaging systems comply with organizational security standards and regulatory requirements
- Support eDiscovery, retention, archiving, and legal hold requirements
- Participate in incident response and troubleshooting related to email security threats
- Maintain system documentation, policies, and operational procedures
- Work closely with Infrastructure, Security, and Help Desk teams
- Provide Tier 3 escalation support for messaging-related incidents
- Participate in on-call support rotations as needed
- Assist with strategic planning and technology improvements
- Bachelor's degree in Information Technology, Computer Science, or related field preferred
- 5+ years of Systems Engineering experience with strong Microsoft Exchange expertise
- Extensive experience with:
- Exchange Online
- Hybrid Exchange environments
- Microsoft 365 administration
- Active Directory
- Azure AD / Entra
- Power Shell scripting
- Strong understanding of mail routing, SMTP, DNS, SPF, DKIM, and DMARC
- Experience supporting enterprise email migrations and troubleshooting complex messaging issues
- Microsoft Certified:
Messaging Administrator Associate - Microsoft 365 Certified:
Enterprise Administrator Expert - Azure Administrator Associate
- MCSE (legacy certifications acceptable)
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