Technical Business Analyst III

Description We are seeking a Senior Technical Business Analyst to be responsible for defining and translating complex business and technical requirements to support Xfinity Mobile and Comcast Business Mobile (CBM) products. This role serves as a subject matter expert in mobile functionality, systems architecture, system integrations, and API design supporting initiatives from discovery through postu2011production. The role collaborates closely with product owners, architects, UX teams, developers, and QA partners to ensure exceptional customer experiences, accurate technical implementation, and the delivery of highu2011quality product features. This role also supports CBM provisioning and sales order systems, customer journey communications (email/SMS), and the creation of useru2011friendly requirements that ensure both accurate system behavior and seamless endu2011tou2011end customer experiences. Key Responsibilities: + Collaborate with architects, product owners, UX leads, development teams, and vendors to define business and technical requirements and drive successful delivery across all project phases. + Create detailed system specification artifacts such as: User stories and traceability to requirements, API interaction documentation, digital workflows, use cases, and data mappings, and sequence diagrams and call flows. + Write Swagger specifications in YAML for REST APIs, defining endpoints, operations, inputs/outputs, error handling, and authentication. + Create JSON API payloads representing sample request/response data for frontu2011endu2013backu2011end communication. + Analyze thirdu2011party XML API specifications using tools such as SOAP UI. + Develop clear and groomed frontu2011end and backu2011end user stories in Jira including payloads, error messaging, business rules, UI interactions, sequence diagrams, endpoints, acceptance criteria, and implementation details. + Capture test data needs and create corresponding Jira tickets to support unit and inu2011sprint QA testing. + Provide endu2011tou2011end test plans aligned to sprint schedules; support QA validation to ensure development meets requirements. + Actively participate in Agile ceremonies (sprint planning, daily standups, reviews, retrospectives, and scrums of scrums). + Support customer journey email/SMS development by drafting clear, useru2011friendly verbiage and validating communications against requirements. + Conduct discovery and analysis for CBM provisioning, order entry, and support systems to define feature requirements for the CBM Plan of Record. + Document customeru2011facing behaviors, system interactions, and foundational feature requirements. + Work crossu2011functionally on solution design, user experience, learning documentation, and operational readiness throughout the lifecycle. + Collaborate with end users to document needs and translate into comprehensive system requirements. + Identify system impacts, risks, and dependencies across interconnected systems. + Support troubleshooting efforts and validate customer communication execution for accuracy. + Consistently exercise independent judgment and discretion on significant matters. + Maintain regular, punctual attendance and meet inu2011office expectations. Requirements Qualifications: + Bacheloru2019s degree or equivalent experience. + 5u20137 years of experience as a Business Analyst or Technical Business Analyst in a complex enterprise environment. + Strong expertise in API design, REST/SOAP, JSON, XML, and Writing Swagger specifications in YAML. + Experience with systems integration, systems architecture, Agile methodologies, full SDLC, Jira, and Confluence. + Proven ability to write detailed technical documentation: SRS, data mappings, workflows, sequence diagrams, and customer journey documentation. + Strong understanding of ecommerce platforms and ability to recommend solutions based on platform capabilities. + Experience validating technical requirements against QA results, including troubleshooting discrepancies. + Ability to collaborate with crossu2011functional teams (UX, developers, QA, product). + Excellent analytical, communication, and problemu2011solving skills. + Ability to work a flexible schedule when business needs require it. Preferred Qualifications: + Professional certifications such as CBAP or PMP. + Telecom domain knowledge, including mobile service lifecycle concepts. + Experience with digital channels (web, mobile, apps, social). + Prior involvement in customer communications, email/SMS journey mapping, and drafting useru2011friendly content. + Experience supporting provisioning, sales order entry, or customeru2011support systems in a telecom or subscriptionu2011based environment. + Experience with test planning, regression validation, and user acceptance processes. + Experience leading projects or serving as a subject matter expert in complex environments. Technology Doesn't Change the World, People Do.u00ae Robert Half is the worldu2019s 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 works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app ( and get 1-tap apply, notifications of AI-matched jobs, and much more. 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. u00a9 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. 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Created: 2026-04-01