Sr Messaging Platform Engineer

Location

Hybrid – Open only to candidates based in New York (10167) or Los Angeles (90067). This role requires 4 days per week onsite. Applications from candidates outside of these locations will not be considered.

Responsibilities

• Administer and optimize enterprise messaging platforms, including Microsoft Exchange, Microsoft 365 Enterprise, and hybrid cloud email environments.
• Manage directory-integrated messaging services by supporting Active Directory and Azure Active Directory configurations tied to mail flow and user access.
• Monitor and strengthen email security controls, including Exchange Online Protection, to help protect the organization from messaging threats and service disruptions.
• Investigate and resolve complex mail flow, SMTP, DNS, network, and platform-related issues to maintain dependable communication services.
• Perform day-to-day operational support activities for messaging infrastructure, ensuring performance, availability, and adherence to service expectations.
• Partner with security and infrastructure teams to respond to incidents affecting messaging systems and to support remediation efforts.
• Support messaging access and delivery across related technologies, including Citrix-based environments and Windows Server platforms.
• Contribute to system maintenance, configuration updates, and continuous improvement initiatives for enterprise messaging services.

Requirements

• Strong hands-on experience with Microsoft Exchange, Microsoft 365 Enterprise, and hybrid messaging environments.
• Proficiency in Active Directory and Azure Active Directory administration within enterprise settings.
• Knowledge of email security practices, including Exchange Online Protection and SMTP-based mail routing.
• Solid troubleshooting skills across messaging platforms, DNS, and basic network connectivity issues.
• Experience supporting Microsoft Windows Server environments that host or integrate with messaging services.
• Familiarity with security incident response processes related to email platforms and collaboration systems.
• Able to manage operational responsibilities effectively in a high-availability enterprise environment.

Benefits

Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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Pay

70 - 75 USD / Hourly

Schedule

Temporary / Contract

Application Deadline

2026-07-08T00:00:00Z