Position Summary

We are looking for an experienced messaging infrastructure specialist with strong expertise in SMTP, Retarus, and Microsoft 365. The role involves independently owning platform operations, driving incident resolution, coordinating with multiple vendors, and serving as the technical lead for a mission-critical enterprise email-routing environment.

Primary Skills & Experience Required

Technical Skills

• Strong understanding of SMTP protocol, email routing, and mail delivery architecture.
• Hands-on experience managing SMTP gateways, email security platforms, or email relay solutions.
• Experience with Retarus, Exchange Online, or comparable enterprise messaging platforms.
• Knowledge of Exchange Online mail flow, connectors, transport architecture, and hybrid messaging environments.
• Experience with message tracing, log analysis, and complex email troubleshooting.
• Understanding of DNS and email authentication records, including SPF, DKIM, and DMARC.
• Familiarity with multi-tenant Microsoft 365 environments.

Operational Skills

• Incident, problem, and change management.
• Service transition and operational readiness.
• Vendor and stakeholder management.
• Root cause analysis and continual improvement.

Professional Skills

• Excellent communication, coordination, documentation, and presentation skills.
• Ability to work effectively across multiple organisations and vendors.
• Ability to operate independently and take technical ownership in a complex support environment.

Nice to Have Experience

• Supporting large enterprise messaging and mail-routing platforms.
• Coordinating across multiple vendors and service providers.
• Microsoft 365 migration or tenant consolidation programmes.
• Leading messaging infrastructure support engagements.

Key Responsibilities

SMTP Hub Platform Administration

• Administer and support the Retarus SMTP Hub platform.
• Manage SMTP relay configurations, connectors, routing policies, authentication settings, and mail flow rules.
• Maintain reliable and secure email routing across the SMTP Hub environment.
• Perform platform health checks, configuration reviews, and optimisation activities.
• Support onboarding of applications and business services requiring SMTP integration.

Architecture & Design Support

• Provide technical leadership for SMTP Hub architecture and design.
• Assess the impact of infrastructure and Microsoft 365 changes on SMTP services.
• Develop and maintain solution designs, technical documentation, operational procedures, and runbooks.
• Support future service enhancements, tenant consolidation, migration, and transformation initiatives.

Migration, Integration & Testing

• Support SMTP Hub implementation and configuration changes during tenant migration programmes.
• Execute routing modifications and participate in testing, validation, and cutover activities.
• Support integration between the SMTP Hub and multiple Exchange Online tenants.
• Coordinate end-to-end connectivity validation and mail flow testing.
• Troubleshoot hybrid mail-routing issues across the SMTP Hub, Exchange Online, and third-party platforms.

Incident & Problem Management

• Provide L3 operational support for SMTP Hub and Retarus services.
• Monitor mail queues, delivery performance, platform health, and service availability.
• Investigate mail flow disruptions, delivery failures, routing anomalies, and platform incidents.
• Perform root cause analysis and drive resolution of recurring issues.
• Coordinate escalations with Retarus and other support providers.

Monitoring & Operational Excellence

• Implement and maintain SMTP Hub monitoring capabilities.
• Review platform alerts, performance metrics, and operational dashboards.
• Track service trends, proactively identify risks, and recommend improvements.
• Maintain operational runbooks and knowledge-base documentation.

Vendor & Stakeholder Coordination

• Act as the primary technical interface among Exchange Online support teams, Retarus support, migration partners, infrastructure teams, security teams, and other stakeholders.
• Coordinate troubleshooting across multiple service providers and support organisations.
• Provide technical input during service reviews, governance meetings, and escalations.
• Manage support dependencies, service assumptions, exclusions, and boundaries.

Service Governance & Documentation

• Maintain RACI documentation, support boundaries, service assumptions, dependencies, and exclusions.
• Prepare operational reports, service metrics, and support dashboards.
• Contribute to service transition and continual improvement activities.

Apply Now

Interested candidates can share their CV at: leelalavanya.gujjarlapudi@websynergies.com