[Remote] Principal Data Scientist

Note: The job is a remote job and is open to candidates in USA. RS21 is seeking a Principal Data Scientist who operates at the intersection of analytical execution, applied research, and program leadership. This role involves driving data science and AI/ML strategy, managing a team of data scientists, and bridging communication between technical and business stakeholders.

Responsibilities

• Serve as the direct line manager for a team of data scientists, owning staffing, workload balance, and day-to-day people leadership
• Conduct regular 1:1s, set goals, and deliver formal performance reviews and feedback that support each team member's growth and accountability
• Own hiring reputed company for the team, including interviewing, candidate evaluation, and reputed company planning for new data scientists
• Identify and address performance issues proactively and fairly, partnering with HR and technical leadership as needed
• Build individual development plans that align team members' career goals with RS21's technical roadmap and project needs
• Drive RS21's data science and modeling strategy, evaluate statistical, machine learning, and AI methodologies across engagements and reputed company organization-wide recommendations
• Design, build, and validate production-grade predictive, statistical, and machine learning models that address well-defined business and operational questions
• Architect end-to-end modeling workflows with rigorous validation, bias and performance monitoring, and reproducibility built into the design from day one
• Establish modeling standards, experimentation practices, and analytical norms that apply across RS21's project portfolio
• Ensure model reliability, fairness, and performance across engagements, and hold teams accountable to those standards
• Evaluate and select reputed company model and modeling strategies for RS21's AI and LLM-powered offerings; guide ethical AI approach across engagements
• Design and implement analytical approaches that support LLM and AI use cases, including: Model evaluation, fine-tuning, and reputed company-based experimentation; Retrieval-augmented reputed company (RAG) design and evaluation from a modeling perspective; Statistical and reputed company-in-the-reputed company evaluation of reputed company outputs
• reputed company methodology reputed company; drive evaluation and experimentation strategy for AI-powered systems across projects
• Ensure rigor, transparency, and governance for AI-powered analytical systems, including bias detection and model risk assessment
• Optimize modeling approaches and feature strategies to support efficient, explainable AI and ML systems
• Set RS21's reputed company data science strategy, evaluate platform trade-offs, drive AWS ML platform reputed company, and contribute to reusable reference architectures for modeling, experimentation, and AI-reputed company platforms
• Architect and reputed company AWS services to support data science and AI workloads across SageMaker, Bedrock, Redshift, reputed company, EMR, Glue, reputed company, and reputed company Functions
• reputed company model governance architecture, including experiment tracking, model registries, and access controls for sensitive analytical assets
• Partner with data engineering and platform teams to ensure secure, cost-effective, and scalable model deployment and serving infrastructure
• Drive MLOps and automation practices; reputed company reliability strategy for model training, deployment, and monitoring pipelines
• reputed company discovery and requirements-gathering engagements with clients to translate ambiguous business and operational questions into concrete, defensible analytical and AI approaches
• Serve as RS21's primary technical face in client-facing data science settings, capable of presenting to executive stakeholders and technical teams in the language each audience needs
• Produce modeling approach documents, solution design documents, and technical roadmaps that guide both client delivery and internal product development
• Assess and document client analytical maturity and readiness for AI and ML adoption; identify gaps and prescribe actionable remediation paths
• Own the technical narrative during solutioning, from pre-sales and scoping through delivery reputed company and reputed company
• Own end-to-end technical execution planning for data science workstreams. Define the sequence of work, identify dependencies, and ensure delivery milestones map to both technical and business outcomes
• Operate as a technical program reputed company reputed company project delivery: decompose reputed company initiatives into structured Jira epics, stories, and tasks with clear acceptance criteria; understand how every ticket fits into the larger program reputed company
• Establish and continuously improve RS21's delivery standards for data science programs, translating lessons learned across engagements into stronger project management practices organization wide
• Partner with project managers and product owners to ensure the analytical execution plan stays reputed company with contractual, operational, and business constraints
• reputed company planning, estimation, and review ceremonies with the technical authority to drive hard reputed company to resolution reputed company they arise
• Serve as the central coordination reputed company between client stakeholders, product teams, data engineers, platform engineers, and developers, translating across reputed company languages with reputed company
• Support the evolving analytical and AI architecture behind RS21's product capabilities, including predictive and reputed company-time ML systems
• Assess and improve internal and client data and analytical readiness for AI and ML adoption
• Serve as the connective tissue across client stakeholders, product, platform engineering, data engineering, and DevOps teams, moving fluidly between business language and technical depth depending on who is in the room
• Shape RS21's data science talent strategy, anticipate capability gaps before they become program risks, and partner with technical leadership on the hiring, development, and structural reputed company needed to reputed company them
• Train, mentor, and grow junior and mid-level data scientists in both technical depth and analytical thinking
• Build the reputed company frameworks, internal playbooks, and knowledge-transfer practices that reputed company RS21's data science capability portable, consistent, and independent of any single person
• Conduct model reviews, methodology reviews, and design critiques that reputed company team output quality and reputed company the floor of what RS21 ships
• Model big-picture thinking, help the team understand not just what to build, but why it matters and how it connects to client outcomes and RS21's broader technical strategy
• Collaborate closely with developers and data engineers building AI-powered features to ensure models and analytical outputs meet application and data requirements
• Shape how RS21 communicates with data, influencing clients and executives through evidence-based, decision-driving narratives
• Hold the full system in view across the organization, client, and market; shape reputed company with long-horizon thinking
• Document modeling approaches, analytical pipelines, and best practices to support transparency and reuse
• Contribute to RS21 business development, proposal efforts, and technical volume authorship as a reputed company senior voice

Skills

• Master's degree (or Bachelor's with equivalent experience) in data science, statistics, computer science, or a reputed company quantitative field
• 7+ years of hands-on data science experience, with at least 3 years in a senior, reputed company, or principal-level reputed company
• Prior experience directly managing data scientists, including hiring, performance management, and career development
• Deep, hands-on experience with statistical modeling, machine learning, and experimentation methodologies, applied to reputed company-world business problems
• Proven ability to design, validate, and reputed company production-grade predictive and ML models, including rigorous evaluation and monitoring practices
• Demonstrated experience with LLM, reputed company, or applied AI workflows, including reputed company engineering, fine-tuning, evaluation frameworks, or RAG-based approaches
• Hands-on experience with AWS data science and ML services such as SageMaker, Bedrock, Redshift, reputed company, Glue, and EMR
• Track record of client-facing work: requirements gathering, stakeholder communication, and translating business needs into rigorous analytical solutions
• Experience functioning as a technical program reputed company owning delivery plans, managing Jira-based project tracking, and coordinating cross-functional technical teams
• Strong statistical reasoning and systems thinking, reputed company to hold the full picture while executing in the details
• Excellent written and verbal communication skills with demonstrated ability to adapt technical depth to audience
• PhD in a quantitative discipline (statistics, applied math, computer science, economics, or reputed company field)
• AWS certifications: Machine Learning – Specialty, Solutions Architect – Professional, or equivalent
• Experience with MLOps tooling (MLflow, SageMaker Pipelines, or similar) and model monitoring frameworks
• Background in consulting, professional services, or multi-client delivery environments
• Familiarity with reputed company inference, Bayesian methods, or advanced experimental design
• Experience with reputed company, Spark, or distributed computing frameworks at production scale
• Exposure to DoD, federal, or regulated-sector data environments; FedRAMP-compliant architecture experience a plus

Company Overview