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Data Scientist/Machine Learning Engineer - TS/SCI with Poly required (req-235)

CathexisMcLean, VAApril 24th, 2026
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 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.ResponsibilitiesThe responsibilities include, but are not limited to:Research, design, implement, and deploy Machine Learning algorithms for enterprise applicationsAssist and enable federal customers to build their own applicationsContribute to the design and implementation of new featuresRequirementsTop Secret clearance with CI or FS Poly or aboveBachelor's degree in Computer Science, Electrical Engineering, Statistics, or equivalent fields requiredMS or PhD in Computer Science, Electrical Engineering, Statistics, or equivalent fields preferredMinimum 2 years relevant work experience preferredExcellent programming skills in PythonApplied 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 teamSmart, motivated, can-do attitude, and seeks to make a differenceExcellent verbal and written communicationReal passion for developing team-oriented solutions to complex engineering problemsThrive in an autonomous, empowering and exciting environmentGreat verbal and written communication skills to collaborate multi-functionally and improve scalabilityInterest in committing to a fun, friendly, expansive, and intellectually stimulating environmentConvey highly technical concepts and information in written form to technical and non-technical audiencesThe ability to work on multiple concurrent projects is essentialStrong self -motivation and the ability to work with minimal supervisionMust be a team-oriented individual, energetic, result & delivery oriented, with a keen interest on quality and the ability to meet deadlinesAbility to work in an agile environmentDesired SkillsHands-on experience deploying and operating applications using IaaS and PaaS on major cloud providers, such as Amazon AWS, Microsoft Azure, or Google Cloud ServicesProficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality. Experience with deep learning, natural language processing, computer vision, or reinforcement learningBenefitsCATHEXIS 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 $100,000- $220,000. 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 BonusesMedical InsuranceDental InsuranceVision Insurance401(k) Plan (Traditional and ROTH)Life Insurance (Basic, Voluntary & AD&D)Paid Time Off11 Federal HolidaysParental LeaveCommute BenefitsShort Term & Long Term DisabilityTraining & DevelopmentWellness ProgramCommunity Outreach InitiativesCATHEXIS 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