Remote Mainframe Developer Jobs in Matteson, IL (NOW HIRING)

Description & Requirements

Maximus is a trusted federal partner supporting mission‑critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus’ role as a reliable prime for high‑impact government missions. Joining Maximus means contributing to meaningful work in fast‑paced environments alongside professionals committed to service, accountability, and results.

This position is contingent upon contract award and position availability. Selected candidates will receive a contingent offer of employment, which will become final only upon successful contract award to Maximus, availability of the position, and receipt of authorization to proceed.

This position is remote and requires a Secret security clearance.

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS195, T3, Band 6

Job-Specific Essential Duties and Responsibilities:

• Designs, develops, trains, evaluates, and integrates AI/ML models and algorithms supporting Government operational systems
• Prepares and structures data for machine learning pipelines, feature engineering, and model lifecycle management
• Implements model monitoring, performance validation, traceability, and reproducibility of AI artifacts
• Integrates AI/ML capabilities into software applications and system architectures using APIs and microservices
• Supports DevSecOps activities including CI/CD pipelines, automated testing, and secure deployment
• Ensures solutions comply with DoD cybersecurity, RMF, data protection, and Responsible AI policies
• Supports system accreditation, documentation, testing, and evaluation activities
• Collaborates with Government and contractor teams across development, integration, and readiness environments
• Participates in Agile program increment (PI) planning and activities requiring periodic travels

Job-Specific Minimum Requirements:

• Active Secret security clearance required
• Bachelor’s degree in related field required
• A Master’s degree may substitute for 2 years of experience
• 5 years of experience in the functional area
• 3 years of demonstrated experience designing, developing, training, and evaluating machine learning models using industry-standard frameworks (e.g., TensorFlow, PyTorch, scikit-learn).
• 3 years of experience with programming languages commonly used in AI/ML development, such as Python, and supporting languages (e.g., SQL, Java, C++).
• 3 years demonstrated experience of machine learning concepts, including supervised and unsupervised learning, model evaluation techniques, and feature engineering.
• Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
• 3 years of experience testing web-based applications.
• 3 years of experience participating in software development programs or projects.
• Demonstrated experience with relational databases, RESTful API development and communication, and system integrations.
• 5 years of experience with Jenkins and GitLab.
• Experience structuring data so it can be integrated into machine learning technologies or AI capabilities.

Preferred Skills and Qualifications:

• Experience using Agile Test-Driven Development
• Experience integrating into DoD DevSecOps environments
• 5 years of experience with CI/CD software development
• Experience supporting RMF accreditation and security assessment activities
• Experience with model monitoring, explainability, and Responsible AI practices
• Experience integrating AI/ML services into operational dashboards or decision support platforms

Minimum Requirements

TCS195, T3, Band 6

EEO Statement

Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics.

Pay Transparency

Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus's total compensation package. Other rewards may include short- and long-term incentives as well as program-specific awards. Additionally, Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Maximus will comply with regulatory minimum wage rates and exempt salary thresholds in all instances.

Accommodations

Maximus provides reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment process-including accessing job postings, completing assessments, or participating in interviews,-please contact People Operations at applicantaccom@maximus.com.

Minimum Salary

$

110,000.00

Maximum Salary

$

145,000.00