Data Scientist, Sr.

About the Company
Unacast provides global location intelligence that helps organizations understand human mobility and activity in the physical world. The company works with public- and private-sector organizations to turn location data into reliable, privacy-conscious insights that support commercial decisions and broader societal outcomes.
About the Role
Unacast is seeking a Senior Data Analyst/Scientist to join its Complex Algorithm Team as a key technical contributor. The role focuses on analyzing large-scale Geo-Signals Cloud data, developing complex SQL transformations and data models, applying statistical and algorithmic methods, and delivering insights that support the development and improvement of data products.
The successful candidate will bring strong Snowflake and SQL expertise, analytical problem-solving skills, and the ability to independently manage projects from defining the problem through implementation and delivery. The position also requires close collaboration with development teams and a proactive approach to identifying data quality issues and improving analytical processes.
Key Responsibilities
Analyze large-scale Geo-Signals Cloud data to develop data models, insights, and analytics that support data product development.
Use Snowflake to build efficient data models, optimize query performance, and structure data for analytical and production use cases.
Develop and optimize complex SQL queries and data transformations across large datasets.
Identify, communicate, and help address data quality issues affecting analytics and data products.
Develop and apply algorithms to identify patterns, extract information, uncover insights, and solve complex analytical problems involving noisy datasets.
Work with development team members to deliver and improve data products and analytical solutions.
Take ownership of projects from problem definition through implementation and delivery.
Required Qualifications
The source listing includes security-focused qualifications that appear inconsistent with the Senior Data Analyst/Scientist role. These include 5+ years of information security experience, with at least 3 years focused on cloud security in AWS environments.
Strong understanding of AWS architecture, security services, and cloud application and data protection.
Experience integrating security into engineering, DevOps, and cloud environments.
Knowledge of network security, encryption technologies, and secure coding practices.
Experience with security frameworks and activities such as incident response, risk assessment, penetration testing, and security audits.
Awareness of emerging security threats and technologies.
Strong analytical skills for identifying and mitigating complex vulnerabilities and risks.
Ability to communicate technical security concepts to technical and non-technical stakeholders.
Strong organizational skills and the ability to manage multiple priorities.
A proactive, hands-on approach to owning and executing initiatives.
Experience developing or contributing to acceptable-use policies and security guardrails for AI tools, including coding assistants, LLM APIs, and agentic systems.
Familiarity with AI-related risks, including prompt injection, data leakage, model supply chain concerns, and the security implications of tools that can take actions.
Ability to evaluate AI vendors’ data-handling practices, including training opt-outs, data retention, and regional processing, against compliance requirements.
Preferred Qualifications
Relevant professional certifications, such as CISSP or AWS Certified Security – Specialty.
A proactive and entrepreneurial mindset, innovative thinking, adaptability, integrity, attention to detail, and a collaborative approach to work.
Comfort working in a fast-changing, startup-style environment.
Location and Work Arrangement
Remote position for candidates residing in the continental United States.
Preference for candidates in the Eastern Time Zone within Florida, Georgia, Maryland, North Carolina, New Jersey, New York, Pennsylvania, Rhode Island, South Carolina, Virginia, or West Virginia.
Occasional travel may be required.
Compensation and Benefits
Typical base salary range of $110,000–$130,000.
Competitive benefits package.
Unlimited paid time off.
Final salary offers depend on skills, qualifications, experience, geographic location, and other relevant factors.
Equal Employment Opportunity
Unacast is an Equal Opportunity Employer. Qualified applicants receive consideration without regard to age, ancestry, color, creed, disability, ethnicity, gender identity or expression, marital status, national origin, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by law.
Unacast provides reasonable accommodations for applicants with disabilities during the application and recruiting process. Accommodation requests can be directed to Human Resources at 703-840-8850. Information provided for accommodation purposes will be kept confidential and used only as needed to provide the requested accommodation.
Unacast participates in the E-Verify program.

Work arrangement
Yes