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United Airlines Principal Engineer - I.T.Engineering in Chicago, Illinois

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The United IT team designs, develops and maintains massively scaling technology solutions that are brought to life with innovative architectures, data analytics and digital solutions.

Job overview and responsibilities

As a Principal Engineer for Middleware you’ll be responsible for engineering, configuration and other administration of IBM DataPower Gateway along with IBM API Connect and IBM WebSphere application Server. He/she should have experience in creating digital solutions for United applications with the skills to integrate with very complex back-end systems both on-premise or in the cloud. He/she must possess good communication skills and should be able to work in a collaborative environment with ease.

  • Experience in design, development and implementation of services using XML Technologies (XSLT, XPath) and IBM DataPower Gateway.

  • Experience with SOAP and/or REST-based Web services with emphasis on Security, including familiarity of SSL/TLS, Digital Signatures, WS-Security and federated security

  • Experience implementing API security (API encryption / authentication / JWT / OAuth / SAML / API authentication / application authentication and authorization / DataPower AAA features / LDAP)

  • Experience implementing /exposing microservices, web services and APIs DataPower development experience (XSLT and GatewayScript)

  • Configure Web service proxy for SOAP & REST based web services using DataPower

  • Experience deploying, architecting and managing services in public / private / hybrid clouds (IBM BlueMix / AWS)

  • Strong experience in various DataPower services such as Web Service Proxy (WSP), Multi-Protocol Gateway (MPG) etc.

  • Expertise in OpenID Connect (OIDC) as an authentication layer that runs on top of an OAuth 2.0

  • Experience architecting and deploying DataPower gateways in multiple network zones (DMZ/cloud)


  • Master’s Degree / Bachelor's Degree in Information Technology or 12 years’ experience required

  • 10+ years of IT experience

  • 6+ years of IBM DataPower

  • 3+ years of IBM APIC

  • IBM DataPower XI52, IDG Appliances

  • IBM DataPower in Virtual (Containers, EC2)

  • IBM API Connect (APIC)

  • OpenID Connect

  • Must be legally authorized to work in the United States for any employer without sponsorship

  • Successful completion of interview required to meet job qualification

  • Reliable, punctual attendance is an essential function of the position


  • IBM DataPower Gateway Administration

  • 4+ years of IBM MQ, IIB

  • 1+ years of DataPower operations dashboard

  • 1+ years of working knowledge of AWS (EC2, ALB)

Equal Opportunity Employer – Minorities/Women/Veterans/Disabled/LGBT

Division: 47 Technology/IT

Function: Information Technology

Equal Opportunity Employer – Minorities/Women/Veterans/Disabled