Senior Systems Analyst — API, AWS & Observability Lead

Eliassen Group; Westlake (TX); On-site; USD 76,000 - 83,000; Full time

Benefits offered by this job

Medical, Dental, Vision benefits

401k with company matching

Life insurance

Job summary

Eliassen Group seeks a Senior Systems Analyst in Westlake, TX to support the Household Parameter Sheet platform powering REST APIs and AWS microservices for strategic partners. You will analyze and validate APIs, coordinate releases, create documentation, and drive observability across teams.

The role requires 6–9 years in financial services or enterprise tech, hands-on API testing, and strong communication.

Qualifications

• 6 to 9 years supporting software solutions in financial services or enterprise technology.
• Knowledge of REST APIs, JSON payloads, and microservice integration patterns.
• Hands-on API testing with tools like Bruno or Postman.
• Experience with API versioning strategies and migration.
• Proven use of Splunk for log analysis, tracing, dashboards, and alerts.
• Familiarity with AWS services (Lambda, Step Functions, S3, SQS) and Kafka/Kinesis.
• Proficiency in Java/Spring Boot for analysis and documentation.
• Ability to write detailed business and technical requirements, user stories, and acceptance criteria.

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 Bruno or Postman, including building collections and debugging failures.
• Lead API version migration analysis, impact assessment, and regression validation.
• Develop and maintain system diagrams, data mappings, and architecture documentation.
• Drive observability using Splunk for logs, tracing, dashboards, and alerts.
• Coordinate releases with readiness, scheduling, and cross-team communication.
• Create and maintain Confluence documentation like runbooks and migration guides.
• Collaborate with developers to validate API contracts, JSON payloads, and AWS integrations.
• Contribute to problem identification, root-cause analysis, and cross-environment communication.
• Translate business needs into actionable user stories and acceptance criteria.

Skills

REST APIs

API testing

Documentation

Stakeholder management

Communication

Agile / Scrum

SQL

Testing concepts

Independent work

Education

Bachelor’s degree in computer science

Tools

Bruno

Postman

Splunk

Confluence

Jira

Kafka

Kinesis

Lambda

Step Functions

S3

SQS

Job description

Eliassen Group seeks a Senior Systems Analyst in Westlake, TX to support the Household Parameter Sheet platform powering REST APIs and AWS microservices for strategic partners. You will analyze and validate APIs, coordinate releases, create documentation, and drive observability across teams.

The role requires 6–9 years in financial services or enterprise tech, hands-on API testing, and strong communication.