Junior Integration Engineer - MuleSoft & API

Illinois Secretary of State; Springfield (IL); On-site; USD 60,000 - 115,000; Full time

Job summary

Illinois Secretary of State in Springfield seeks an Information Systems Technician I - Integration Management to support the Integration Management Team within the Enterprise Applications division. You will assist in the design, development, testing, and maintenance of MuleSoft- and API-based integrations across ILSOS systems.

Collaborate with architecture, platform, and infrastructure teams to follow standards, troubleshoot issues, update documentation, and contribute to ongoing integration

Qualifications

• Requires completion of one year of college in computer science or a related field or 1.5 years of technical systems and programming experience.
• Experience with enterprise integrations, MuleSoft, API-led connectivity, and Java development is preferred.
• Ability to adhere to architecture patterns, security guidelines, and integration standards.

Responsibilities

• Supports the design, development, and maintenance of enterprise integrations using MuleSoft, API-led connectivity, Java, and related technologies.
• Assists in building REST APIs, data transformations, orchestration flows, and integration pipelines.
• Follows established architecture patterns, security guidelines, and integration standards.
• Helps troubleshoot issues, perform basic performance checks, and participates in root‑cause analysis under guidance from senior team members.
• Participates in code reviews, follows best practices, and learns from senior engineers.
• Communicates progress and issues to team leads and stakeholders.

Skills

MuleSoft

API-led connectivity

Java

REST APIs

Data transformations

Integration pipelines

Troubleshooting

Documentation

Root-cause analysis

Education

One year of college in computer science or related field

1.5 years of technical systems and programming experience

Tools

MuleSoft

API Design Tools

Job description

Illinois Secretary of State in Springfield seeks an Information Systems Technician I - Integration Management to support the Integration Management Team within the Enterprise Applications division. You will assist in the design, development, testing, and maintenance of MuleSoft- and API-based integrations across ILSOS systems.

Collaborate with architecture, platform, and infrastructure teams to follow standards, troubleshoot issues, update documentation, and contribute to ongoing integration