Senior Systems Analyst

Description On-site Every Other Week / 5 days in Westlake, TX Our client seeks a Senior Systems Analyst to support the Household Parameter Sheet platform that powers REST APIs and AWS-based microservices for strategic partners across Workplace and Personal Investing. You will analyze and validate APIs, coordinate releases, create documentation, drive observability, and partner with engineering to deliver reliable, high-quality solutions. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $55.00 to $60.00/hr. w2 Responsibilities Support the Household Parameter Sheet platform of REST APIs and AWS microservices for enrollment flows and downstream processing. Analyze, validate, and test REST APIs using tools such as Bruno or Postman, including building collections, validating contracts, and debugging failures. Lead API version migration analysis, including impact assessment, communication, contract comparison, and regression validation. Develop and maintain system flow diagrams, process maps, data mappings, dependency maps, and architecture documentation. Drive observability using Splunk for log analysis, incident investigation, distributed tracing, dashboards, and alerts. Coordinate releases, including readiness, scheduling, cross-team communication, and post-release validation. Create and maintain Confluence documentation such as architecture overviews, runbooks, migration guides, and process flows. Collaborate with developers to support and validate API contracts, JSON payloads, Kafka event flows, and AWS integrations. Contribute to problem identification, isolation, root-cause analysis, and communication across environments. Engage with business and technology partners to translate needs into actionable user stories and acceptance criteria. Experience Requirements 6 to 9 years supporting software solutions in financial services or enterprise technology. Working knowledge of REST APIs, JSON payloads, and microservice integration patterns. Hands-on API testing and validation using Bruno, Postman, or equivalent. Experience with API versioning strategies and migration execution. Proven use of Splunk for log analysis, tracing, dashboards, and alerts. Experience with AWS services such as Lambda, Step Functions, S3, SQS, and event-driven architectures including Kafka or Kinesis. Familiarity with Java and Spring Boot microservice architecture for analysis and documentation. Proficiency creating system diagrams, process maps, data mappings, dependency maps, and architecture documentation. Ability to write detailed business and technical requirements, user stories, and acceptance criteria. SQL proficiency with ability to trace data across relational and NoSQL stores. Understanding of functional and integration testing concepts, with exposure to tools like Cypress as a plus. Deep knowledge of Scrum with required Jira and Confluence experience. Release coordination experience across teams and environments. Test data generation experience using tools like Hexawise is a plus. Awareness of AI and ML product concepts is a bonus. Strong communication, documentation, and stakeholder management skills. Ability to work independently and collaborate across U.S. and India based teams. Education Requirements Bachelor’s degree in computer science or a related technology field. #J-18808-Ljbffr Eliassen Group