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Senior Data Annotation Analyst Jobs in Washington, DC

Think Tank, Inc.

Senior Data Analyst

Silver Spring, MD · On-site

$89K - $112K/yr

Think Tank is seeking a Senior Data Analyst to support the National Marine Fisheries Service (NMFS). This role will focus on analyzing international seafood trade data to identify risks, support ...

Guidehouse

Senior Data Analyst

Mclean, VA · On-site

$86K - $109K/yr

Senior Data Analyst is responsible for identifying, assessing, protecting, and monitoring the organization's High Value Assets (HVAs)-the systems, data, and services whose compromise would ...

Dynanet Corporation

Sr. Data Analyst

Washington, DC · Hybrid

$160K - $180K/yr

Job Title: Sr. Data Analyst Job Type: Full-time Salary Range: $160,000 - $180,000 Location: Washington. DC (Onsite: 5 days a week) Dynanet Corporation Overview: Dynanet started with a focus on ...

Comtech, LLC

Senior Data Analyst/Modeler

Washington, DC

$97K - $122K/yr

The Senior Data Analyst/Modeler is a highly trained professional who will become an expert in our source data and lead the data mapping effort to migrate the data into our new enterprise data ...

Guidehouse

Senior Data Analyst

Mclean, VA · Hybrid

$86K - $109K/yr

As a Senior Data Analyst, you will be part of a dynamic team supporting customers within the Cybersecurity and Infrastructure Security Agency (CISA). In this role, you will help drive datainformed ...

Dynanet Corporation

Sr. Data Analyst

Washington, DC · On-site

$160K - $180K/yr

Job Title: Sr. Data Analyst Job Type: Full-time Salary Range: $160,000 - $180,000 Location: Washington. DC (Onsite: 5 days a week) Dynanet Corporation Overview: Dynanet started with a focus on ...

Navigant Consulting

Senior Data Analyst

Mclean, VA · On-site

$88K - $111K/yr

Senior Data Analyst is responsible for identifying, assessing, protecting, and monitoring the organization's High Value Assets (HVAs)-the systems, data, and services whose compromise would ...

New

YO AI Labs

AI Finance Expert - Remote

Washington, DC · Remote

$100 - $200/hr

Financial Analysis * Technical & Report Writing * Business Communication * Content Review & Editing * Fact Checking * Data Interpretation * Data Annotation * Problem-Solving * Independent Research

New

Data Intelligence LLC

Senior Data Architect

Mclean, VA

$68 - $91/hr

Data Intelligence LLC Job Openings >> Senior Data Architect Senior Data Architect Summary Title ... analytical and logistics support to C4ISR and other complex systems. We are an equal opportunity ...

Ansible Government Solutions

Senior Data Analyst

Arlington, VA · On-site +1

$98K - $124K/yr

Overview The Senior Data Analyst supports the Veterans Health Administration Specialty Care Program Office by providing enterprise data management, reporting, analytics, business intelligence, and ...

Addison Group

Senior Data Analyst

Washington, DC · Remote

$135K - $150K/yr

Title: Senior Data Analyst Location: Remote Job Type: Full-Time | Exempt Salary: $135,000 - $150,000 / Year Benefits: This position is eligible for medical, dental, vision, and 401(k). The ...

Noblis

Senior Data Analyst

Washington, DC · On-site

$97K - $122K/yr

The Senior Data Analyst will provide data analytics, visualization, and systems development support to a front office organization within the Department of Homeland Security's (DHS) Science ...

Capital One

Senior Data Analyst - Card

Mclean, VA · On-site

$86K - $109K/yr

Senior Data Analyst - Card At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit ...

Addison Group

Senior Data Analyst

Washington, DC · Remote

$135K - $150K/yr

Title: Senior Data Analyst Location: Remote Job Type: Full-Time | Exempt Salary: $135,000 - $150,000 / Year Benefits: This position is eligible for medical, dental, vision, and 401(k). The ...

Capital One

Sr. Data Analyst - Card

Mclean, VA

$86K - $109K/yr

Sr. Data Analyst - Card At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit card ...

New

Capital One

Senior Data Analyst - Card

Mclean, VA

$86K - $109K/yr

Senior Data Analyst - Card At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit ...

Capital One

Sr. Data Analyst - Card

Mclean, VA · On-site

$86K - $109K/yr

Sr. Data Analyst - Card At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit card ...

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Showing results 21-40

All JobsData Annotation Analyst JobsSenior Data Annotation Analyst JobsSenior Data Annotation Analyst Jobs in Washington, DC

Senior Data Annotation Analyst information

See Washington, DC salary details

$62.3K

$112.4K

$153.5K

How much do senior data annotation analyst jobs pay per year?

As of Aug 14, 2026, the average yearly pay for senior data annotation analyst in Washington, DC is $112,389.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,400.00 and $122,900.00 per year, depending on experience, location, and employer.

What is a senior data annotation analyst?

Senior Data Annotation Analysts are experienced professionals who oversee the process of labeling and tagging data, such as text, images, or audio, to train machine learning models. They are responsible for ensuring high-quality annotations, developing guidelines, and often mentoring junior annotators. Their work is crucial for the success of AI and machine learning projects, as accurate data annotation directly impacts model performance. Senior analysts also collaborate with data scientists and engineers to refine annotation processes and improve data quality.

What are the key skills and qualifications needed to thrive as a senior data annotation analyst?

To thrive as a Senior Data Annotation Analyst, you need expertise in data labeling, analytical thinking, and a strong understanding of machine learning concepts, often supported by a relevant degree or significant experience in data operations. Familiarity with annotation platforms (like Labelbox or Supervisely), data management tools, and quality assurance processes is typically required. Attention to detail, problem-solving, and the ability to communicate feedback effectively are crucial soft skills for this role. These competencies ensure high-quality data sets that drive accurate machine learning models and improve project outcomes.

How does a senior data annotation analyst typically collaborate with machine learning engineers and data scientists?

As a Senior Data Annotation Analyst, you will often work closely with machine learning engineers and data scientists to ensure that labeled data meets project requirements and quality standards. You may participate in meetings to discuss annotation guidelines, clarify ambiguous cases, and provide feedback on data challenges that arise. Your expertise in annotation tools and processes helps streamline workflows and ensures that the annotated datasets are reliable, which is critical for model training and evaluation. Collaboration is key, and you'll be expected to communicate effectively across teams to address issues and continuously improve the data pipeline.

What is the difference between Senior Data Annotation Analyst vs Data Annotation Specialist?

AspectSenior Data Annotation AnalystData Annotation Specialist
CredentialsBachelor's degree in related field, experience in data annotationHigh school diploma or equivalent, entry-level experience
Work EnvironmentCollaborative teams, project management, quality assuranceIndividual tasks, data labeling, basic quality checks
Industry UsageTech, AI, machine learning companiesAI startups, data labeling firms, research projects

The Senior Data Annotation Analyst typically has more experience, handles complex annotation projects, and oversees quality control, whereas the Data Annotation Specialist focuses on basic labeling tasks. Both roles are essential in AI data preparation, but the senior analyst often leads projects and ensures standards are met.

What are the most commonly searched types of Data Annotation Analyst jobs in Washington, DC?

The most popular types of Data Annotation Analyst jobs in Washington, DC are:

Senior Data Annotation Analyst jobs near you

Senior Data Analyst

Think Tank, Inc.

Silver Spring, MD • On-site

$89K - $112K/yr

Full-time

Re-posted 29 days ago

Job description

*US Citizenship Required*Onsite in Silver Spring, MD*Proposal Effort, Position is Subject to Contract AwardPOSITION DESCRIPTION:Think Tank is seeking a Senior Data Analyst to support the National Marine Fisheries Service (NMFS). This role will focus on analyzing international seafood trade data to identify risks, support compliance monitoring, and strengthen U.S. efforts to combat illegal, unreported, and unregulated (IUU) fishing. The successful candidate will apply quantitative and qualitative methods to complex datasets, support economic assessments, and translate technical analyses into plain language for policymakers, industry stakeholders, and the public.RESPONSIBILITIES:Collect, categorize, and analyze trade data from diverse and complex data sources.Conduct and support risk assessments using both quantitative and qualitative information.Perform analysis with data-poor sets, providing guidance on appropriate methodologies.Support economic assessments under SIMP, including oversight of deliverables and analytical guidance.Develop data visualizations and written reports to communicate findings in clear, accessible language.REQUIREMENTS:Education/Experience: Advanced background (6+ years) in natural resource management (fisheries preferred), with knowledge of IUU fishing and seafood supply chains.Technical Skills:Experience working with large, complex trade datasets.Proficiency with analysis tools such as BigQuery, R, SQL, and Excel.Experience with data visualization software (e.g., Looker, R Studio).Professional Skills:Strong written and verbal communication skills, including the ability to translate technical findings for non-technical audiences.Ability to work effectively across teams and with diverse stakeholders.Proficiency in one or more non-English languages preferred but not required.