Role overview

Senior Gateway / Platform Engineer

Requirements and responsibilities

Readable role content extracted into sections for faster review.

Key Responsibilities

  • Install, configure, and integrate the new API gateway platform in IRS-approved environments upon Government authorization; configure services, routes, consumers, plugins, policies, certificates, and environment promotion patterns
  • Develop and execute a phased API Migration Wave Plan: inventory and classify ~255 APIs, sequence migration waves, configure equivalent routing, policies, authentication, transformation, logging, and telemetry
  • Execute dual-run operations with IBM webMethods and new gateway running concurrently; maintain rollback readiness, defect resolution, routing validation, consumer/provider coordination throughout
  • Validate functional, connectivity, regression, security, performance, and observability requirements for each migrated API wave; produce test evidence and rollback documentation
  • Integrate new platform with IRS identity, security, monitoring, CI/CD, change management, and incident management processes — IRS owns and administers all enterprise infrastructure services
  • Support IBM webMethods retirement and decommissioning planning after Government approval of migration completion
  • Produce Installation and Configuration Package, API Migration Wave Packages, and Dual-Run Operations Reports per the Deliverables schedule

Required Qualifications

  • 5+ years with enterprise API gateway platforms — experience may include Kong, Apigee, MuleSoft Anypoint API Manager, Microsoft Azure API Management, AWS API Gateway, IBM API Connect, Red Hat 3scale, Axway Amplify, WSO2 API Manager, Tyk, or comparable (named product experience required)
  • API migration experience: API inventory and classification, wave planning, configuration equivalence, dual-run operations, rollback readiness, and consumer/provider coordination
  • API authentication, authorization, OAuth2, Zero Trust principles, rate limiting, transformation, logging, and telemetry
  • IBM webMethods API Gateway or comparable experience — highly preferred as migration source stack
  • Direct IRS D&PE, TCS, PBBA, PTS, or comparable IRS middleware program experience
  • Active IRS Minimum Background Investigation (MBI) required
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Browse stack
FocusAPI Gateway EngineerRole area
Seniority signalSeniorCandidate level
StackAWS, Azure, CI/CDPrimary skills
Location1 accepted countryEligibility

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