Robert Half
Senior Data Analyst
Washington, District of Columbia, US
Role snapshot
Robert Half is hiring a Senior Data Analyst on a full-time basis. This is an on-site role based in Washington, District of Columbia, US.
- Company
- Robert Half
- Location
- Washington, District of Columbia, US
- Work mode
- On-site
- Job type
- Full-time
- Experience
- 7+ years
- Posted
- Nov 6, 2026
Who this role suits
Experienced professionals who can lead projects, set direction and be accountable for outcomes, not just tasks.
How to prepare your application
- Prepare examples of decisions you drove, how you measured the result, and how you worked with other teams.
- Be ready to discuss trade-offs and scope, not only the tools you have used.
- Read what Robert Half publishes about its product or team, so you can say clearly why this role and this company.
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About the role
Robert Half is seeking a Senior Data Analyst with 7+ years of experience in data analytics to support a federal client in designing, developing, and delivering data-driven decision-support products.
Must have an active T4 Public Trust, active Secret Clearance, or be eligible to obtain a Secret Clearance.
Responsibilities:
- Lead complex data analysis efforts to identify trends, patterns, risks, performance drivers, and actionable insights that support federal client leadership decisions.
- Extract, transform, and integrate data from multiple source systems to build reliable datasets for reporting, dashboards, and advanced analysis.
- Develop, optimize, and maintain SQL queries, views, scripts, and data logic used to support dashboards, ad hoc reports, and recurring decision-support products.
- Utilize Python scripting for ETL processes, including data extraction, cleansing, transformation, validation, and preparation for downstream analysis and visualization.
- Design and build curated datasets, data models, and data structures that support accurate, repeatable, and scalable reporting.
- Develop dashboards, data visuals, and business intelligence products using Power BI, and other BI tools.
- Integrate Python into Power BI for highly customizable and complex statistical visualizations
- Build ad hoc reports and analytical products in response to client leadership, operational, and program management needs.
- Partner with federal client stakeholders, public safety subject matter experts, business analysts, and internal data teams to define metrics, KPIs, reporting requirements, and data definitions.
- Translate complex data findings into clear narratives, visuals, and recommendations for technical and non-technical audiences.
- Perform data quality checks, data profiling, reconciliation, and validation to ensure accuracy and reliability of reporting outputs.
Requirements:
- 7+ years of experience in data analytics, data science, business intelligence, reporting, or data engineering.
- Bachelor of Science degree
- Must have an active T4 Public Trust, active Secret Clearance, or be eligible to obtain a Secret Clearance.
- Experience with Python libraries such as pandas, dataframes, matplotlib, numpy, etc.
- Experience writing complex DAX and M-language formulas involving financial data
- Experience in statistical modeling and financial forecasting (linear regression/logical regression/time series forecasting)
- Experience automating workflows
- Hands-on experience extracting data from multiple source systems and developing datasets for dashboarding, reporting, and analysis.
- Experience writing and optimizing SQL queries for data extraction, analysis, transformation, and reporting.
- Experience coding or supporting ETL processes, including data cleansing, transformation, validation, and integration.
- Experience developing dashboards and visualizations in Tableau and Power BI.
- Experience with business intelligence tools, data visualization concepts, dashboard design, and reporting best practices.
- Ability to conduct complex data analysis and communicate findings clearly to client leadership and technical teams.
Additional Details:
- This is a long-term contract opportunity (2 years+) with potential for Contract-to-Hire.
- Onsite 5 days per week in Washington DC 20002.
Benefits available to contract/temporary professionals, include medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.