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Senior Data Scientist, Machine Learning

Cathexis

On-site
Tysons, VA
Full-time
Senior
Staff
5+ yrs
$150k–$190kPosted 4w ago

Real job — pulled straight from Cathexis’s careers page · Verified July 13, 2026 · No reposts.

Job description

Cathexis is hiring a Senior Data Scientist, Machine Learning — a full-time, based in Tysons, VA role ($150k–$190k). Apply directly on Cathexis's careers page below.

Senior Data Scientist/Machine Learning Engineer - TS/SCI with Poly (req-242)

Location: Tysons, Virginia, United States

Department: Information Technology

Workplace: on_site

Employment Type: full

Description

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence.

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard, have fun, and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results.

We are looking for a dynamic Senior Data Scientist/ML Engineer with an active TS/SCI CI Poly or higher to join our team. The Data Scientist/ML Engineer will work directly with data scientists, software engineers, and subject matter experts in the definition of new analytics capabilities able to provide our federal customers with the information they need to make proper decisions and enable their digital transformation. 

Responsibilities

The responsibilities include, but are not limited to:

  • Research, design, implement, and deploy Machine Learning algorithms for enterprise applications.
  • Assist and enable federal customers to build their own applications.
  • Contribute to the design and implementation of new features.

Requirements

  • Top Secret clearance with CI or FS Poly.
  • Bachelor's degree in Computer Science, Electrical Engineering, Statistics, or equivalent fields required.
  • MS or PhD in Computer Science, Electrical Engineering, Statistics, or equivalent fields preferred.
  • Minimum 5-10 years relevant work experience preferred.
  • Excellent programming skills in Python.
  • Applied Machine Learning experience (regression and classification, supervised, and unsupervised learning).
  • Strong mathematical background (linear algebra, calculus, probability, and statistics).
  • Experience with scalable ML (MapReduce, streaming).
  • Ability to drive a project and work both independently and in a team.
  • Smart, motivated, can-do attitude, and seeks to make a difference.
  • Excellent verbal and written communication.
  • Real passion for developing team-oriented solutions to complex engineering problems.
  • Thrive in an autonomous, empowering and exciting environment.
  • Great verbal and written communication skills to collaborate multi-functionally and improve scalability.
  • Interest in committing to a fun, friendly, expansive, and intellectually stimulating environment.
  • Convey highly technical concepts and information in written form to technical and non-technical audiences.
  • The ability to work on multiple concurrent projects is essential.
  • Strong self -motivation and the ability to work with minimal supervision.
  • Must be a team-oriented individual, energetic, result & delivery oriented, with a keen interest on quality and the ability to meet deadlines.
  • Ability to work in an agile environment.

Desired Skills

  • Hands-on experience deploying and operating applications using IaaS and PaaS on major cloud providers, such as Amazon AWS, Microsoft Azure, or Google Cloud Services.
  • Proficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality. 
  • Experience with deep learning, natural language processing, computer vision, or reinforcement learning.

Benefits

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with national average market rates, and promotes your financial security and personal well-being. The annual salary range for this role is $150,000- $190,000. Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills. 

  • Performance Bonuses
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Plan (Traditional and ROTH)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • 11 Federal Holidays
  • Parental Leave
  • Commute Benefits
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Program
  • Community Outreach Initiatives

CATHEXIS is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability EEO IS THE LAW. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the Recruiting Department RecruitingTeam@cathexiscorp.com 

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Frequently asked questions

What is the salary for Senior Data Scientist, Machine Learning at Cathexis?

The estimated salary range for Senior Data Scientist, Machine Learning at Cathexis is $150,000 - $190,000 USD per year.

What skills are required for Senior Data Scientist, Machine Learning at Cathexis?

The required skills for Senior Data Scientist, Machine Learning at Cathexis include: Python, Machine Learning, Agile, AWS, Azure, GCP, Deep Learning, NLP, Computer Vision.

What is the seniority level for Senior Data Scientist, Machine Learning at Cathexis?

Senior Data Scientist, Machine Learning at Cathexis is a Senior / Staff level position.

How do I apply for Senior Data Scientist, Machine Learning at Cathexis?

You can view the full description and apply for Senior Data Scientist, Machine Learning at Cathexis on EchoJobs: https://echojobs.io/job/cathexis-senior-data-scientist-machine-learning-engineer-ts-sci-with-poly-req-242-zfisp.