OneMain Financial Jobs

AI/ML Engineer

Category: Software Development/ Engineering

Main location: United States, Virginia, Reston

Position ID: J0426-1921

Employment Type: Full Time

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Position Description:

We're looking for an AI/ML Engineer who enjoys building practical, scalable AI solutions and working closely with business teams to bring ideas to life. In this role, you'll design and deploy machine learning models—especially those involving large language models (LLMs) and generative AI—while leveraging AWS cloud services.

You'll play a key part in shaping intelligent systems, from early-stage experimentation and prompt engineering to production deployment and performance optimization. The ideal candidate is comfortable working across the full ML lifecycle and stays current with evolving AI technologies.

We partner with 15 of the top 20 banks globally, and our top 10 banking clients have worked with us for an average of 26 years!.

This role is located at a client site in either Reston, VA. A hybrid working model is acceptable.

Your future duties and responsibilities:

We're looking for an AI/ML Engineer who enjoys building practical, scalable AI solutions and working closely with business teams to bring ideas to life. In this role, you'll design and deploy machine learning models—especially those involving large language models (LLMs) and generative AI—while leveraging AWS cloud services.

You'll play a key part in shaping intelligent systems, from early-stage experimentation and prompt engineering to production deployment and performance optimization. The ideal candidate is comfortable working across the full ML lifecycle and stays current with evolving AI technologies.

Required qualifications to be successful in this role:

. 4+ years of relevant experience in machine learning, data science, or AI engineering

. Solid experience building and deploying machine learning models in real-world environments

. Hands-on work with large language models (OpenAI, Anthropic, Cohere, etc.) and prompt engineering techniques

. Strong Python skills, along with familiarity with libraries like TensorFlow, PyTorch, or scikit-learn

. Comfortable working within AWS—particularly services like Bedrock, S3, EC2, Lambda, and SageMaker

. Experience setting up data pipelines and APIs to support ML workflows

. Good understanding of MLOps practices, including model deployment, monitoring, and iteration

. Ability to translate business needs into technical solutions without overcomplicating things

. Familiarity with data analysis tools such as Pandas, R, or similar

. Exposure to building or deploying AI agents or generative AI-based solutions

. Strong problem-solving mindset and the ability to explain technical ideas clearly

Desired Skillset:

. Experience fine-tuning or customizing foundation models

. Working knowledge of Docker or container orchestration tools

. Awareness of data privacy and security considerations in cloud environments

Education:

Bachelor's degree in Computer Science, Information Systems, or a related field.​

Other Information:

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $108,300.00 - $137,100.00.

CGI's benefits are offered to eligible professionals on their first day of employment to include: . Competitive compensation . Comprehensive insurance options . Matching contributions through the 401(k) plan and the share purchase plan . Paid time off for vacation, holidays, and sick time . Paid parental leave .Learning opportunities and tuition assistance . Wellness and Well-being programs

Skills:

• Python

What you can expect from us:

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at USEmploymentCompliance@cgi.com . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

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All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.