Principal Data Scientist
Confirmed on the employer's own hiring board on Oct 3, 2026. First seen by Alion on Oct 1, 2026.
Description
PLEX Solutions, A Part of Markon, is looking for a Principal Data Scientist to support a contract in the Annapolis Junction, MD area.
- Possesses and applies a comprehensive knowledge across key tasks and high impact assignments.
- Plans and leads major technology assignments.
- Evaluates performance results and recommends major changes affecting short-term project growth and success.
- Functions as a technical expert across multiple project assignments.
- May supervise others
Responsibilities
- Develop and maintain robust and scalable data pipelines for enterprise AI applications including defining appropriate data model concepts
- Develop high-performance data parsers for extremely large and complex datasets
- Implement and manage various database systems, including graph, SQL, NoSQL, and vector databases
- Collaborate with AI/ML engineers and data scientists to understand data requirements and optimize data access and retrieval for AI models
- Ensure data quality, integrity, and security across all data storage solutions
- Support the deployment and maintenance of AI applications by providing expert data engineering capabilities
- Familiarity with AI concepts in the context of data storage, access, and retrieval
- Continuously optimize data infrastructure for performance, cost-efficiency, and scalability
Qualifications
- Active TS/SCI W/ Polygraph
Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience
Proficient in Python
Experience with Docker and Kubernetes
Experience with end-to-end workflows/projects
3+ years of Defensive Cyber Operations experience
3+ years of Machine Learning techniques and statistical model evaluation
Desired Skills:
- Master's degree in relevant field and 4 years of experience
- Demonstrated expertise with R or Python, and SQL to manipulate data and draw insights from large and small data sets
- Exposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP)
- Strong background and skills in Linux (Ubuntu, CentOS, RHEL)/Windows/Virtual environments
- A problem solver who can get in, be given a project, and use engineering skills to determine a solution
- Jupyter Notebooks, Network Analysis Tools
Salary Range
USD $150,000.00 - USD $210,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Overview
Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.
At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.
Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Markon values people and the tremendous impact each individual can make - which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.
Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.
Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.