Job Description

Expression is seeking a Sr Data Scientist ( Managing Lead ) to support the continued growth of our Data Science Department. This role will be responsible for leading teams in designing and implementing high-impact data engineering, data science, and AI/ML solutions across a variety of domains and use cases. The ideal candidate thrives in a highly technical, collaborative environment and excels at leading high-performing teams to drive innovation and deliver measurable results under tight deadlines.

Location:

• Department of Commerce (NTIA) (2-3 days/week on-site).
  Travel Requirement: ~10% for user validation events and training in DC/VA/MD Metropolitan area is required

Security Clearance:

• US Citizenship required
• Ability to obtain Secret clearance or higher

Primary Responsibilities:

• Collaborate with program managers and product owners to develop and deliver products that customers love. 
• Lead cross-functional teams of data scientists, engineers, architects, and subject matter experts through all phases of the data science lifecycle.
• Design, implement, and deploy data pipelines and machine learning models in production environments.
• Drive excellence in Data Science and Engineering while fostering a culture of innovation.
• Perform quality management and performance reviews.
• Work in a consultative fashion to improve communication, collaboration, and alignment within the Data Science Department and across the organization.

Additional Responsibilities:

• Contribute to the development of white papers and proposals, supporting business growth through technical expertise.
• Analyze product strategy and provide data-driven insights and recommendations.
• Participate in research, case studies, and prototype development to explore and leverage cutting-edge technologies.
• Help to recruit, mentor, and retain top data science and engineering talent.

Required Qualifications:

• 10+ years of experience working as a data scientist or data engineer with a Bachelor's degree in Computer Science/Data Science/Statistics or relevant discipline, 8+ years of experience, with MS, or 5+ years of experience with PhD.
• Current Security+ certification (or must obtain within 30 days)
• 5+ years of experience creating AI/ML models and data pipelines in production.
• 5+ years of experience using Python language and libraries for data science.
• 5+ years of experience creating ETL processes and working with a variety of databases (SQL, NoSQL, Graph, etc.) and data architectures (Data Lake, Lakehouse).
• 3+ years of experience leading a team in an Agile environment. 
• 3+ years of experience in short-release cycles and the full software lifecycle.
• Expert knowledge of machine learning algorithms and advanced statistical concepts and methods.
• Strong writing and oral communication skills to deliver design documents, technical reports, and presentations to a variety of audiences
• Strong interpersonal and organizational skills.

Preferred Qualifications:

• Proficiency in Azure solutions (Databricks, Spark Streaming, OpenAI Service).
• Experience with PostgreSQL, ElasticSearch, MongoDB, and graph databases.
• Experience with NLP and Large Language Models. 
• Experience with GenAI enabled daily workflows (coding, testing, analytics).
• Familiarity with Tensorflow, Caffe2, PyTorch, Keras, and PySpark.

Benefits:

• 401k matching
• PPO and HDHP medical/dental/vision insurance
• Education reimbursement
• Complimentary life insurance
• Generous PTO and holiday leave
• Onsite office gym access
• Commuter Benefits Plan
• In-office Cold Brew Coffee

About Expression:

Founded in 1997 and headquartered in Washington DC, Expression provides data fusion, data analytics, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S. Department of Defense, Department of State, and national security community. Expression's “Perpetual Innovation” culture focuses on creating immediate and sustainable value for our clients via agile delivery of tailored solutions built through constant engagement with our clients. Expression was ranked #1 on the Washington Technology 2018's Fast 50 list of fastest growing small business Government contractors and a Top 20 Big Data Solutions Provider by CIO Review.

Equal Opportunity Employer/Veterans/Disabled

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