Senior Integration Engineer – MuleSoft & API Lead

Illinois Secretary of State; Springfield (IL); On-site; USD 89,503 - 157,780; Full time

Benefits offered by this job

State employee benefits

Public sector pension

Job summary

The Office of the Illinois Secretary of State – Alexi Giannoulias seeks an Information Systems Advisor II to lead the Integration Management Team within Enterprise Applications. You will design, build, and maintain MuleSoft‑ and API‑driven integrations connecting core SIS systems and services.

This senior technical role combines hands‑on engineering with functional leadership, coordinating with architects, data teams, and application developers to ensure secure, scalable solutions and adherence

Qualifications

• Two years of college in CS required.
• 4.5 years of experience in technical systems, programming, or IT project management.
• At least 1 year supervisory experience.

Responsibilities

• Design, build, and maintain enterprise integrations using MuleSoft, API-led connectivity, Java, and related technologies.
• Oversee daily assignments and provide technical evaluations to ensure quality and consistency.
• Lead resolution of production integration incidents and coordinate with other teams.

Skills

Leadership

REST APIs

Java

Communication

Problem solving

Education

Two years college in CS

Tools

MuleSoft

APIs

Java

Data transformations

Job description

Office of the Illinois Secretary of State

Alexi Giannoulias

Job Title: Information Systems Advisor II – Integration Management
Division: Business Services Office – Enterprise Applications
Union: IFT
Location: 501 S 2^nd St, Springfield, IL - Sangamon County
Salary: Range $8,020 to $14,138 monthly – commensurate with experience.
Benefits: https://cms.illinois.gov/benefits/stateemployee.html

Attention: Applicants must be authorized to work in the United States; the Office of the Secretary of State will not complete certification and/or sponsorship requests.

Overview:

Acts independently in a senior technical role providing hands‑on engineering expertise and day‑to‑day supervisory oversight for the Integration Management Team within the Enterprise Applications division; leads the design, development, maintenance, and support of MuleSoft- and API-driven integrations that connect critical ILSOS systems; combines advanced engineering responsibilities with functional leadership, ensuring high-quality solutions, technical consistency, and adherence to enterprise standards; works closely with the architecture, platform, and infrastructure teams; supports the DSM, Front-End & Integrations, by coordinating daily team activities, reviewing technical work, and serving as the primary subject matter expert for ILSOS integration architecture and implementation.

Duties and Responsibilities:

• Technical Engineering & Solution Delivery-Design, build, and maintain enterprise integrations using MuleSoft, API-led connectivity, Java, and related integration technologies; Develop and maintain REST APIs, data transformations, orchestration flows, and integration pipelines; Ensure solutions follow enterprise architecture patterns, security controls, and reusable integration standards; Conduct troubleshooting, performance tuning, and root-cause analysis for integration issues.
• Team Supervision & Work Coordination-Oversee daily assignments and workloads for Integration Management team members; Support the DSM by providing technical evaluations of staff and recommending training or development needs; Review team deliverables for quality, consistency, and adherence to best practices; Serve as technical lead on priority initiatives and support junior engineers in problem-solving.
• Operational Support & Incident Management-Lead resolution of production integration incidents and coordinate with application teams, infrastructure, and leadership; Ensure integrations meet availability, performance, and reliability expectations; Maintain integration monitoring, logging, and alerting configurations to ensure system health.
• Collaboration & Cross-Team Coordination-Work closely with architects, data teams, application developers, QA, and business analysts across the Enterprise Applications group; Translate integration requirements into technical specifications and development tasks; Communicate risks, impacts, and technical considerations to the DSM and project stakeholders.
• Standards, Documentation & Continuous Improvement-Maintain accurate documentation, including API specifications, design diagrams, runbooks, and support guides; Recommend improvements to integration frameworks, tools, and development processes; Support modernization efforts involving enterprise APIs, messaging, and legacy system replacement.
• Performs other duties as assigned.

Education and Experience:

Requires knowledge, skill, and mental development equivalent to the completion of two years of college, with coursework in the computer science field AND 4.5 years of experience with technical systems and/or programming experience and/or IT project management, including at least 1-year supervisory experience or any equivalent combination of education and experience.

Knowledge, Skills and Abilities:

• Requires extensive knowledge of systems design and implementation, including the way programs are written, compiled, and tested, the methods of operating computers, and the way data is transcribed into a suitable form and has an appreciation of the wider business context for those programs.
• Requires excellent oral and written communication skills for effective engagement with colleagues and internal users/customers.
• Requires extensive knowledge necessary to effectively perform the ability to exercise sound judgement in analyzing, evaluating, and solving problems of a procedural, organizational, administrative, and/or technical nature.
• Requires the use and understanding of appropriate methods, tools, applications, and processes to demonstrate a rational and organized approach to work.
• Requires awareness and adherence to organizational standards for security, privacy, and ethics.
  Requires extensive knowledge of the devices for capturing data for computers and the means available for receiving and transmitting data from remote locations to a computer.
• Requires extensive knowledge of the principles and techniques of computer system documentation.
• Requires the desire to identify learning and professional development opportunities.
• Requires extensive knowledge of the advantages and limitations of computer communication, and information retrieval systems as management information tools.
• Requires the ability to follow oral and/or written instructions and to carry out routine operations, once established, without further instructions.
• Requires the ability to organize facts and findings, analyze data logically and to present results with clarity and comprehension, orally and in written or graphic form.
• Requires willingness to travel and possession of a valid Illinois driver’s license as required by individual positions within the class.
• Requires the ability to lift, carry, and push/pull 0 – 50lbs.

Application Process:

• Please visithttps://ilsos.applytojob.gov/applyto apply by completing the online application; you may also upload a resume or other attachments as needed.
• Preference will be given to Illinois residents in the hiring and selection process, in accordance with the Illinois Secretary of State Merit Employment Code.
• Questions regarding this posting or Illinois Secretary of State employment practices may be directed to Job Counselors at our Personnel offices in Chicago (312-793-5515) or Springfield (217-782-4783).

Equal Employment Opportunity Employer. Applicants must be lawfully authorized to work in the United States.
Applicants are considered for all positions without regard to race, color, religion, sex, national origin, sexual orientation, age, marital or veteran status, or the presence of a non-job-related medical condition or disability.