Senior Data Scientist

Senior Data Scientist

Position Description
CGI has an immediate need for a Senior Data Scientist to join our team. This is an exciting opportunity to work in a fast-paced team environment supporting one of the largest customers. We take an innovative approach to supporting our client, working side-by-side in an agile environment using emerging 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 Reston, VA. A hybrid working model is acceptable.

Your future duties and responsibilities
We are seeking a highly skilled professional with expertise in data analytics and quantitative modeling to support enterprise-level data integration, risk modeling, and analytics initiatives. This role combines advanced data engineering and statistical modeling capabilities with strong business acumen. You will:

. Gather and analyze user requirements, translating business needs into technical specifications.
. Design and maintain quantitative models for mortgage and loan risk, including Monte Carlo simulations and time-series analysis.
. Collaborate with ETL teams to ensure accurate data loading and transformation.
. Develop and execute test scripts, troubleshoot data-related issues, and optimize performance.
. Work with large-scale datasets in cloud environments, leveraging AWS services for data processing and analytics.
. Communicate complex technical insights clearly to both technical and non-technical stakeholders.

Required qualifications to be successful in this role
. 7+ years of experience in data science
. Proficiency in Python (including libraries like NumPy, pandas, SciPy, statsmodels, scikit-learn, QuantLib).
. Advanced SQL skills for handling large, complex datasets.
. Strong grasp of Software Development Lifecycle (SDLC) and software engineering practices (Git, unit testing, CI/CD, shell scripting).
. Experience with AWS services (S3, Lambda, Batch, Glue, EMR, CloudWatch, IAM, EC2).
. Familiarity with data lakes, NoSQL systems, and tools like Spark, Hive, Airflow.
. Ability to design and optimize Monte Carlo simulations, time-series models, and risk factor models.
. Solid understanding of counterparty credit risk, including Potential Future Exposure (PFE) methodologies.
. Knowledge of interest rate modeling, derivative pricing, and macro risk factor models.
. Ability to translate business requirements into technical ETL and database specifications.
. Experience creating source-to-target mappings and documenting business processes.
. Strong analytical thinking and attention to detail.
. Excellent communication and collaboration skills across technical and non-technical teams.
. Comfortable managing multiple tasks and priorities in a fast-paced environment.
. Familiarity with testing tools such as Mercury Quality Center or HP Quality Center.
. Professional certifications in data analytics, cloud technologies, or software development.

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

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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 $99,200.00 - $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

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 [email protected] . 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.