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Job Title: GenTax Developer

Job Requisition ID: 49439 

Closing Date: 09/10/2025

Salary: $6,952 a month

Work Hours: M-F 7:45 AM-4:15 PM

Work Location: (Hybrid) 01 W Jefferson St, Springfield, Illinois, 62702

Union Position: Yes

Work authorization: US work authorization required at time of application. No sponsorship available. Not eligible for F1 OPT/CPT. Positions are W2 only and cannot be converted to a contract position. If you have questions about your work authorization eligibility, please email doit.recruitment@illinois.gov. 

Questions? Email doit.recruitment@illinois.gov

Transcripts are required for consideration.

 

Are you looking for a rewarding career with an organization that values their staff? The Department of Innovation & Technology (DoIT) is seeking to hire qualified candidates with the opportunity to work in a dynamic, creative thinking, problem solving environment. 

This position serves as a GenTax Developer for the GenTax Registration supporting the Illinois Department of Revenue (IDOR). 

This position coordinates and conducts difficult and specialized application development for systems and/or sub-systems of average complexity associated with the Tax Data Warehouse & Research section in the GenTax Integrated Tax System. 

In this role you will confer with users to determine needed changes and enhancements and perform comprehensive studies and analyses of client needs and objectives. 

In addition, you will conduct system analysis by charting process flow and perform specification writing, coding, testing and audit trails as well as serving as a project leader.  

If you possess these knowledges, skills, abilities and experience, we invite you to apply for this position with DoIT!

 

Why Work for Illinois?

Working with the State of Illinois is a testament to the values of compassion, equity, and dedication that define our state. Whether you’re helping to improve schools, protect our natural resources, or support families in need, you’re part of something bigger—something that touches the lives of every person who calls Illinois home.

No matter what state career you’re looking for, we offer jobs that fit your life and your schedule—flexible jobs that provide the gold standard of benefits. Our employees can take advantage of various avenues to advance their careers and realize their dreams. Our top-tier benefits and great retirement packages can help you build a rewarding career and lasting future with the State of Illinois.

 

As a State of Illinois employee, you receive a comprehensive benefits package including:
•    Competitive Group Insurance benefits including health, life, dental and vision plans
•    Flexible work schedules (when available and dependent upon position)
•    10-25 days of paid vacation time annually (10 days for first year of state employment)
•    12 days of paid sick time annually which carryover year to year
•    3 paid personal business days per year
•    13-14 paid holidays per year dependent on election years
•    12 weeks of paid parental leave. 
•    Pension plan through the State Employees Retirement System
•    Deferred Compensation Program – voluntary supplemental retirement plan
•    Optional pre-tax programs -Medical Care Assistance Plan (MCAP) & Dependent Care Assistant Plan (DCAP)
•    Tuition Reimbursement Program and Federal Public Service Loan Forgiveness Program eligibility

For more information regarding State of Illinois Benefits follow this link: https://www2.illinois.gov/cms/benefits/Pages/default.aspx

 

Essential Functions

•    Under general direction, serves as a GenTax Developer for the Department of Innovation & Technology (DoIT) supporting the Department of Revenue (IDOR) coordinating and conducting difficult and specialized application development systems and/or sub-systems of average complexity associated with the Collections – Audit - Warehouse & Research section in the GenTax Integrated Tax System.
•    Performs comprehensive studies and analyses of client needs and objectives including specification writing, coding, testing, audit trails, and developing control procedures.
•    Serves as project technical coordinator for standard projects including small/medium size hardware/software deployments and installations.
•    Keeps abreast of new developments in the information technology field by continuing education through meetings, training sessions, seminars, and conferences to increase familiarity with and remain current on products, vendors, techniques, and procedures.
•    Performs other duties as required or assigned which are reasonably within the scope of duties enumerated above.

 

Minimum Qualifications

•    Requires knowledge, skill, and mental development equivalent to four (4) years college with course work in computer science or directly related fields.
•    Requires one (1) year of professional experience in Application Services or a related Information Technology field.

 

Preferred Qualifications

•    One (1) year of professional experience in application development utilizing Microsoft SQL, VB.Net, C#, and object-orientated programming, including designing, coding, testing, debugging, and documenting software solutions in accordance with established methodologies and security standards.
•    One (1) year of professional experience conducting needs analysis, creating detailed technical specifications, coding, testing, implementing controls, and validating outcomes for requested changes to the GenTax systems, ensuring compliance with security and data integrity requirements.
•    One (1) year of professional experience performing maintenance and enhancements within the GenTax Integrated Tax System, including ensuring security compliance and providing user support.
•    One (1) year of professional experience utilizing electronic transfer utilities and securely managing Federal Tax Information in compliance with IRS Publication 1075 and other applicable security protocols and data integrity standards.  
•    One (1) year of professional experience analyzing, developing, and supporting complex functional areas within the Audit, Collections, Interfaces, and Discovery portions of the GenTax System, or of a similar enterprise tax processing system.
•    One (1) year of professional experience leading or coordinating software or hardware projects, including developing project plans, defining scope, scheduling tasks, monitoring progress, and delivering status reports to stakeholders.
•    Working knowledge of developing and executing comprehensive test plans, including preparing test scripts, creating test data, performing functional and regression testing, verifying logic paths, documenting results, and fine-tuning programs to meet system objectives.
•    Working knowledge of the methods, procedures, and techniques of conducting feasibility studies for system conversions and enhancements.  
•    Developed verbal and written communication skills to clearly and concisely present technical and non-technical information to diverse audiences, including end-users, technical teams, and executive leadership, in both formal and informal settings. 
•    Ability to develop and maintain effective working relationships with associates, vendors, clients and others.

 

Conditions of Employment

NOTE: Applicants must possess the ability to meet ALL the following conditions of employment, with or without reasonable accommodation, to be considered for this position. 
•    Requires the ability to verify identity.
•    Requires employment authorization to accept permanent full-time position with the State of Illinois.
•    Requires the ability pass a tax compliance and position specific, agency required background check. 
•    Requires self-disclosure of criminal history.
•    Requires the ability to use agency supplied equipment such as laptop, personal computer, work cell phone and any other required equipment or devices.
•    Requires ability to work outside of normal business hours to meet deadlines.
•    Requires the ability to serve in an on-call capacity.
•    Requires the ability to travel in performance of duties.
•    Requires ability to lift and carry equipment weighing up to 50 pounds.  This is considered medium work as defined by the U.S. Department of Labor (20 CFR 404.1567(c)). Medium work involves lifting no more than 50 pounds at a time with frequent lifting or carrying of objects weighing up to 25 pounds.  

The conditions of employment listed are incorporated and/or related to any duties included in the position description.