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Senior Data Annotation Analyst Jobs in Baltimore, MD

Peraton

Senior Data Scientist

Fort George G Meade, MD · On-site

$146K - $234K/yr

Responsibilities Peraton seeks a Senior Data Scientist to support Department of War Cyber Defense ... Document analytic workflows and methodologies for knowledge transfer * Mentor junior data ...

Peraton

Senior Data Scientist

Fort George G Meade, MD · On-site

$146K - $234K/yr

Responsibilities Peraton seeks a Senior Data Scientist to support Department of War Cyber Defense ... Document analytic workflows and methodologies for knowledge transfer * Mentor junior data ...

Peraton

Senior Data Scientist

Fort George G Meade, MD · On-site

$146K - $234K/yr

Responsibilities Peraton seeks a Senior Data Scientist to support Department of War Cyber Defense ... Document analytic workflows and methodologies for knowledge transfer * Mentor junior data ...

Peraton

Senior Data Scientist

Fort George G Meade, MD · On-site

$146 - $234/hr

Responsibilities Peraton seeks a Senior Data Scientist to support Department of War Cyber Defense ... Document analytic workflows and methodologies for knowledge transfer * Mentor junior data ...

Peraton

Senior Data Scientist

Fort George G Meade, MD · On-site

$135K - $216K/yr

In this role, you won't just analyze data - you'll engineer the systems that make analysis faster ... Master's degree in a related field - or a Bachelor's degree plus 5 additional years of senior-level ...

Themis Insight

Sr. Data Scientist

Linthicum Heights, MD · On-site

Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem ... We are hiring a Sr. Data Scientist to work in Linthicum Heights, MD . Position location is subject ...

Themisinsight

Sr. Data Scientist

Linthicum, MD · On-site

$100 - $140/hr

Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem ... We are hiring a Sr. Data Scientist to work in Linthicum Heights, MD . Position location is subject ...

Quevera LLC

Senior Data Engineer

Annapolis Junction, MD · On-site

$166K - $197K/yr

You will analyze user requirements, translate operational needs into software design and ... As a Senior Data Engineer, you will have the opportunity to build and sustain scalable data ...

Parsons Corporation

Senior Data Scientist

Annapolis, MD · On-site

$112K - $196K/yr

Parsons is looking for a talented Senior Data Scientist to join our growing team! In this role you ... You will work directly with our software engineering and threat analyst teams to model complex data ...

Peraton

Senior Data Scientist

Fort George G Meade, MD · On-site

$135K - $216K/yr

In this role, you won't just analyze data - you'll engineer the systems that make analysis faster ... Master's degree in a related field - or a Bachelor's degree plus 5 additional years of senior-level ...

Peraton

Senior Data Scientist

Fort George G Meade, MD · On-site

$135K - $216K/yr

In this role, you won't just analyze data - you'll engineer the systems that make analysis faster ... Master's degree in a related field - or a Bachelor's degree plus 5 additional years of senior-level ...

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All JobsData Annotation Analyst JobsSenior Data Annotation Analyst JobsSenior Data Annotation Analyst Jobs in Baltimore, MD

Senior Data Annotation Analyst information

See Baltimore, MD salary details

$54.6K

$98.6K

$134.6K

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

As of Aug 23, 2026, the average yearly pay for senior data annotation analyst in Baltimore, MD is $98,600.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,500.00 and $107,800.00 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.

Does data annotation actually pay well?

Data annotation analysts typically earn hourly wages that are close to minimum wage or slightly above, with pay varying based on experience, location, and the complexity of tasks. While some roles offer higher pay for specialized skills or certifications, overall compensation is generally modest compared to other tech roles.

Is data annotation still hiring?

Data annotation roles, including senior positions, are actively hiring as companies expand their AI and machine learning projects. These jobs often require attention to detail and familiarity with annotation tools, and they are available in both remote and on-site formats. Demand remains steady due to ongoing growth in AI data needs.

What does a senior data annotation analyst do?

A senior data annotation analyst is responsible for reviewing, labeling, and validating data to ensure accuracy for machine learning models. They often use annotation tools and may oversee junior team members, ensuring data quality and consistency in projects involving image, text, or video data.

What are the most commonly searched types of Data Annotation Analyst jobs in Baltimore, MD?

The most popular types of Data Annotation Analyst jobs in Baltimore, MD are:

What cities near Baltimore, MD are hiring for Senior Data Annotation Analyst jobs?

Cities near Baltimore, MD with the most Senior Data Annotation Analyst job openings:

Senior Data Annotation Analyst jobs near you

Senior Data Scientist

Peraton

Fort George G Meade, MD • On-site

$146K - $234K/yr

Full-time

Re-posted 14 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

52nd of 225 rated it services

Job description

Responsibilities
Peraton seeks a Senior Data Scientist to support Department of War Cyber Defense Command (DCDC) with Defensive Cyber Operations (DCO) AI Cyber Security Support..
Location: Fort Meade, MD.
In this role, you will perform advanced statistical analysis, develop ML models, and conduct operational research to support cyber defense decision-making and threat characterization.
Primary Responsibilities:
  • Develop and validate predictive and prescriptive analytic models
  • Apply statistical and ML techniques for anomaly detection and event correlation
  • Conduct quantitative and qualitative analyses to identify operational trends
  • Collaborate with mission partners to translate requirements into analytic solutions
  • Document analytic workflows and methodologies for knowledge transfer
  • Mentor junior data scientists and provide technical guidance

Qualifications
Required Qualifications:
  • Minimum of 12 years with BS/BA; Minimum of 10 years with MS/MA; Minimum of 7 years with Ph.D. Will consider Associates with 14 years or High School with 16 years of experience.
  • Advanced proficiency in Python, R, SQL
  • Experience with ML model development and deployment
  • Strong statistical analysis and hypothesis testing skills
  • Experience with data visualization and reporting
  • Knowledge of cyber defense operations preferred
  • U.S Citizenship required
  • TS with ability to obtain/maintain SCI

Preferred Qualifications:
  • AWS/Azure certifications
  • Master's degree in Data Science, Statistics, Mathematics, or related field

Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range
$146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
EEO
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017

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