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Data Rater Jobs in Maryland (NOW HIRING)

CACI International, Inc.

Splunk Data Analyst

Laurel, MD · On-site

$103K - $218K/yr

Splunk Data Analyst Job Category: Information Technology Time Type: Full time Minimum Clearance ... rates, relevant prior work experience, specific skills and competencies, education, and ...

GRVTY

Data Scientist 3

Annapolis Junction, MD

$155K - $185K/yr

We are seeking a Data Scientist to support our NLP project focused on accurate and automatic ... rates, prior experience, skillsets, education, and certifications. We're proud to offer a work ...

GRVTY

Data Scientist 2

Annapolis Junction, MD

$115K - $145K/yr

We have varying levels of Data Scientist roles, depending on years of experience and education ... rates, prior experience, skillsets, education, and certifications. We're proud to offer a work ...

GRVTY

Data Scientist 3

Annapolis, MD · On-site

$155K - $185K/yr

We are seeking a Data Scientist to support our NLP project focused on accurate and automatic ... rates, prior experience, skillsets, education, and certifications. We're proud to offer a work ...

GRVTY

Data Scientist 2

Annapolis, MD · On-site

$115K - $145K/yr

We have varying levels of Data Scientist roles, depending on years of experience and education ... rates, prior experience, skillsets, education, and certifications. We're proud to offer a work ...

University of Rochester

$21.78 - $30.53/hr

Individual annual salaries/hourly rates will be set within the job's compensation range, and will be determined by considering factors including, but not limited to, market data, education ...

University of Rochester

$25.14 - $35.24/hr

Individual annual salaries/hourly rates will be set within the job's compensation range, and will be determined by considering factors including, but not limited to, market data, education ...

eSimplicity

Principal Data Lead

Columbia, MD

$188K - $200K/yr

Establish and monitor data quality and processing timeliness practices, including completeness, conformance, quality pass rates, defect trends, freshness against service levels, rework drivers ...

eSimplicity

Principal Data Lead

Columbia, MD · On-site

$188K - $200K/yr

Establish and monitor data quality and processing timeliness practices, including completeness, conformance, quality pass rates, defect trends, freshness against service levels, rework drivers ...

eSimplicity

Principal Data Lead

Columbia, MD · On-site

$188K - $200K/yr

Establish and monitor data quality and processing timeliness practices, including completeness, conformance, quality pass rates, defect trends, freshness against service levels, rework drivers ...

IntelliGenesis LLC

Data Scientist Level 2

Annapolis, MD · On-site

$85K - $116K/yr

Data Processing: (Data management and curation, data description and visualization, workflow, and ... layoff, termination, rates of pay, or other forms of compensation and selection of training.

IntelliGenesis LLC

Data Scientist Level 4

Annapolis, MD · On-site

$140K - $192K/yr

Data Processing: (Data management and curation, data description and visualization, workflow, and ... layoff, termination, rates of pay, or other forms of compensation and selection of training.

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All JobsData Rater JobsData Rater Jobs in Maryland

Data Rater information

See Maryland salary details

$10

$28

$73

How much do data rater jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for data rater in Maryland is $28.32, according to ZipRecruiter salary data. Most workers in this role earn between $15.09 and $31.87 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a data rater, and why are they important?

To thrive as a Data Rater, you need strong analytical abilities, attention to detail, and proficiency in following detailed guidelines, often requiring at least a high school diploma or equivalent. Familiarity with web-based evaluation tools, spreadsheets, and sometimes proprietary rating platforms is typically expected. Excellent time management, critical thinking, and effective written communication are valuable soft skills for excelling in this role. These skills ensure accurate and consistent data evaluation, which directly impacts the quality and effectiveness of machine learning models and search algorithms.

What are some common challenges data raters face, and how can they effectively manage them?

Data Raters often encounter challenges such as maintaining consistency in their evaluations, understanding complex guidelines, and managing repetitive tasks. To effectively handle these, it's important to regularly review guideline updates, seek clarification from team leads when unsure, and use productivity techniques to stay focused during long periods of rating. Collaborating with peers through forums or team meetings can also help share best practices and resolve ambiguities.

What is the difference between Data Rater vs Data Annotator?

AspectData RaterData Annotator
Required CredentialsHigh school diploma or equivalent; some roles may require basic technical skillsHigh school diploma; some roles may prefer familiarity with annotation tools
Work EnvironmentRemote or office-based; often involves reviewing data for qualityRemote or office-based; involves labeling or tagging data for machine learning
Employer & Industry UsageTech companies, data services, AI firmsAI and machine learning companies, data labeling services

Data Raters primarily review and assess data quality, ensuring accuracy and consistency, while Data Annotators focus on labeling data to train machine learning models. Both roles are essential in AI development, often sharing similar skills and work environments, but differ in their specific tasks and objectives.

What is a data rater?

Data Raters are professionals who evaluate and provide feedback on data, such as search engine results, advertisements, and social media content, to help improve the accuracy and relevance of algorithms. They often work with large tech companies to assess whether content meets specific quality guidelines and user intent. Data Raters typically work remotely on a part-time or flexible schedule, and their work is crucial in training artificial intelligence systems to better understand human preferences.
What are popular job titles related to Data Rater jobs in Maryland? For Data Rater jobs in Maryland, the most frequently searched job titles are:
What job categories do people searching Data Rater jobs in Maryland look for? The top searched job categories for Data Rater jobs in Maryland are:
Data Rater jobs near you
Infographic showing various Data Rater job openings in Maryland as of August 2026, with employment types broken down into 71% Full Time, 21% Part Time, and 8% Contract. Highlights an 64% In-person, and 36% Remote job distribution, with an average salary of $58,913 per year, or $28.3 per hour.

ME00593-Data Scientist

Momentum Engineering, Inc.

Annapolis, MD • On-site

$100K - $135K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 4 days ago

Job description

Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our workforce is equipped with industry-leading certifications, demonstrating a commitment to continuous learning and excellence. Most importantly, our exceptional employee retention rate reflects a culture of professional growth, mission focus, and dedication-ensuring long-term stability and expertise for our customers' critical needs.
Job Summary
  • Seeking a Data Scientist to support mission-critical cybersecurity efforts by developing advanced analytics to detect, analyze, and mitigate emerging threats to critical U.S. systems
  • The ideal candidate will work in a collaborative environment with software engineers and threat analysts, this role focuses on modeling complex, multi-source data to generate actionable intelligence
  • The ideal candidate will apply statistical, machine learning, and graph-based techniques to transform large, disparate datasets into scalable solutions that enhance threat detection and prevention capabilities

Primary Responsibilities
  • Develop and implement statistical, machine learning, and graph-based algorithms to analyze complex cybersecurity datasets
  • Clean, normalize, and structure disparate data sources from globally distributed environments
  • Translate mission needs and qualitative analyst processes into quantitative models and software prototypes
  • Create data visualizations and analytic outputs for both technical and non-technical stakeholders
  • Design and implement descriptive and predictive analytics to support threat detection and response
  • Evaluate and validate model performance using standard metrics and analytic techniques
  • Guide and support development of scalable analytics solutions for large datasets
  • Collaborate with cybersecurity analysts, software engineers, and cloud teams to transition analytics into production
  • Develop and maintain data pipelines and workflows supporting continuous analysis and model improvement
  • Support cybersecurity missions by contributing to threat intelligence generation and analysis
  • Apply knowledge of networking and adversary tradecraft to enhance analytic models and insights

Required Qualifications
  • Must have active Top Secret/SCI clearance with NSA Full Scope Polygraph
  • Bachelor's degree in Statistics, Mathematics, Computer Science, or related quantitative field (advanced degrees may substitute for experience)
  • 7+ years of experience in two or more of the following:
    • Machine learning or artificial intelligence
    • Data mining or advanced analytics
    • Statistical modeling
    • Software engineering with data analysis tools (e.g., Python, R, SAS, MATLAB)
  • Proficiency in Python and Jupyter Notebooks
  • Experience with SQL and relational databases
  • Experience with ElasticSearch, Kibana, or OpenSearch
  • Understanding of networking concepts within a cybersecurity environment
  • Experience working with analyst teams to develop data visualizations and insights

Desired Qualifications
  • Experience with graph analytics, data pipelines, and IP-based network data
  • Familiarity with Java
  • Experience with Windows Server management and Power BI Report Service
  • Background supporting cybersecurity missions and threat intelligence analysis
  • Understanding of adversary tactics, techniques, and procedures (TTPs)

Exempt hourly position. 11 paid holidays, minimum of 3 weeks PTO, company sponsored group medical plan, company paid dental, vision, life insurance, and STD/LTD plans. Salary is dependent upon the candidate's experience and qualifications.
The pay range for this role is:
100,000 - 135,000 USD per year (NBP)

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