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Job Description

The Senior Engineer, Unified Communications/M365 will be expected to architect, support, and enhance our enterprise collaboration and messaging environment. The role will primarily support end-to-end email delivery operations and oversee the administration of M365 applications, including Teams, Exchange, and other key Microsoft applications. The ideal candidate will possess deep expertise in Microsoft 365, Exchange (Online and On-Prem), Proofpoint, and Metadact, and a comprehensive understanding of the end-to-end email lifecycle across cloud and hybrid models. Experience with telephony/VoIP and SharePoint Online is a strong plus.

• Lead the design, implementation, and support of enterprise Unified Communications solutions with a primary focus on Microsoft 365, Exchange Online, and hybrid Exchange environments;

• Act as the subject-matter expert for all email architecture, including on-prem and cloud routing, mail flow design, authentication, message hygiene, and deliverability;

• Understand and assist in administering email security platforms, including Proofpoint, supporting policies, DLP, encryption, TAP, and routing;

• Support and maintain Metadact for metadata scrubbing, compliance, and secure content handling;

• Manage and troubleshoot the complete email lifecycle, including DNS, SMTP relays, connectors, transport rules, security controls, and message tracking;

• Oversee hybrid Exchange configurations, connectors, coexistence, and migration activities;

• Provide Tier 3/4 escalation support for complex messaging and unified communications issues;

• Collaborate with security, infrastructure, and application teams to maintain consistent standards and ensure secure, high-performing UC services;

Pay range between $109-141K

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to [email protected] learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Skills and Requirements

• Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience);

• Certifications such as: Microsoft 365 Certified: Messaging Administrator; MCSE / MS-100 / MS-203; Proofpoint Certified Specialist; Relevant UC or security certifications;

• 7+ years of experience in Unified Communications, Messaging, or Microsoft 365 engineering roles;

• Expert-level knowledge of Microsoft 365, Exchange Online, Exchange Hybrid, and core mailflow components;

• Hands-on experience with Proofpoint email security solutions;

• Working proficiency with Metadact or other metadata-scrubbing solutions;

• Deep understanding of the full email journey, including DNS, SMTP, SPF/DKIM/DMARC, TLS, routing topologies, and mail hygiene;

• Strong capability in diagnosing, troubleshooting, and resolving complex email and UC issues across hybrid architectures;

• Solid understanding of identity and security technologies: Azure AD, OAuth, conditional access, MFA, etc.; and

• Experience with PowerShell or similar scripting for automation and system administration.