Messaging Operations Engineer

Exchange Online Engineer

Must Have Technical/Functional Skills

• Provide Tier 3/Tier 4 operational support for Exchange Online, including incident response, troubleshooting, and root-cause analysis.
• Administer user, shared, and resource mailboxes, including permissions, delegation, and access reviews aligned with least-privilege practices (RBAC).
• Troubleshoot mail-flow issues, including NDRs, delays, routing, connectors, and transport rules, and perform message trace and email-header analysis.
• Support Outlook (Classic and New Outlook) issues, including profiles, shared mailboxes, add-ins, and calendaring.
• Operate email security and hygiene controls, such as Proofpoint and Microsoft Defender for Office 365, including quarantine review, policy troubleshooting, and escalation to security partners as needed.
• Use PowerShell to perform Exchange Online and Microsoft 365 administrative tasks, reporting, and operational automation.
• Support Microsoft 365 Apps servicing and organizational deployment and updates through the Microsoft 365 Apps admin center (Cloud Update), in coordination with endpoint teams.
• Document operational procedures, known errors, and configuration standards, and contribute to runbooks and knowledge articles.

Good to Have

• Microsoft certifications for Microsoft 365, Exchange, or related technologies.
• Hands-on experience administering Proofpoint Email Protection, including policy tuning, impersonation and BEC rules, URL Defense, quarantine workflows, and message trace and investigations.
• Experience with Microsoft Defender for Office 365 features and tools, including Safe Links, Safe Attachments, anti-phishing, and investigation workflows.
• Advanced understanding of retention policies, eDiscovery and legal hold, and data loss prevention (DLP) concepts in Microsoft Purview.
• Understanding of email authentication and deliverability, including SPF, DKIM, and DMARC, and tenant mail-flow design.
• Experience analyzing new Microsoft 365 features and changes and translating their impact for stakeholders and business workflows.
• Familiarity with Teams, Outlook calendaring dependencies, and Entra ID (Azure AD) identity concepts used in messaging operations.
• Experience supporting conferencing, room, and resource scenarios and AV/calendar integration.
• Comfort participating in an on-call rotation and supporting after-hours changes as required.

Roles & Responsibilities

Support a large enterprise Microsoft 365 messaging environment by providing Tier 3/Tier 4 operational support for Exchange Online, Outlook, and related services. The role focuses on incident troubleshooting, service health, access and mailbox administration, mail-flow hygiene, and continuous improvement through automation, documentation, and participation in delivery and migration initiatives.

Salary Range: $85,000 - $105,000 per year

TCS Employee Benefits Summary: Discretionary Annual Incentive. Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. Family Support: Maternal & Parental Leaves. Insurance Options: Auto & Home Insurance, Identity Theft Protection. Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement. Time Off: Vacation, Time Off, Sick Leave & Holidays. Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

Location: Plano, TX

Function: TECHNOLOGY

Role: Engineer

ID: 437055

Skills: Operations

Desired Candidate Profile

Qualifications

BACHELOR OF COMPUTER SCIENCE