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Senior Data Annotation Analyst Jobs in Chicago, IL

Tempus AI

Senior Data Analyst

Chicago, IL · On-site +1

$90K - $125K/yr

We're looking for an experienced Senior Data Analyst to help us design and execute on clinical evidence studies with the mission of delivering personalized care to cancer patients. What you'll do:

New

Tempus

Senior Data Analyst

Chicago, IL · On-site

$90K - $125K/yr

We're looking for an experienced Senior Data Analyst to help us design and execute on clinical evidence studies with the mission of delivering personalized care to cancer patients. What you'll do:

Tempus

Senior Data Analyst

Chicago, IL · On-site

$90K - $125K/yr

We're looking for an experienced Senior Data Analyst to help us design and execute on clinical evidence studies with the mission of delivering personalized care to cancer patients. What you'll do:

World's Finest Chocolate

Senior Data Analyst

Chicago, IL · On-site

$110K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

World's Finest Chocolate is seeking a highly skilled and motivated Senior Data Analyst to join our team. This role will be instrumental in analyzing large volumes of unstructured data, primarily ...

TransUnion

Senior Data Analyst

Chicago, IL

$90K - $150K/yr

  • Medical

  • Dental

  • Vision

  • PTO

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview The Senior Data Analyst will report into a Senior Manager of Data Science & Analytics. As ...

Transunion

Senior Data Analyst

Chicago, IL · On-site

$90K - $150K/yr

  • Medical

  • Dental

  • Vision

  • PTO

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview The Senior Data Analyst will report into a Senior Manager of Data Science & Analytics. As ...

World S Finest Chocolate

Senior Data Analyst

Chicago, IL

$88K - $111K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

World's Finest Chocolate is seeking a highly skilled and motivated Senior Data Analyst to join our team. This role will be instrumental in analyzing large volumes of unstructured data, primarily ...

Transunion

Senior Data Analyst

Chicago, IL

$88K - $111K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview The Senior Data Analyst will report into a Senior Manager of Data Science & Analytics. As ...

Trans Union LLC

Senior Data Analyst

Chicago, IL · On-site

$90K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview The Senior Data Analyst will report into a Senior Manager of Data Science & Analytics. As ...

TransUnion

Senior Data Analyst

Chicago, IL · On-site

$90K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview The Senior Data Analyst will report into a Senior Manager of Data Science & Analytics. As ...

CYNET SYSTEMS

Senior Data Analyst

Lake Zurich, IL · On-site

$38 - $43/hr

Design & Track KPIs across the CFS department and provide feedback & insight to the Senior Director ... Experience performing root cause analysis on internal and external data and processes to answer ...

The Cooper Companies

Senior Data Analyst

Naperville, IL

$85K - $108K/yr

  • Medical

  • Retirement

  • PTO

As a Sr. Data Analyst you will own the integrity, usability and structure of customer data throughout the implementation and ongoing reporting. You will lead efforts to create efficiencies, improve ...

New

ProAct - PBM

Senior Data Solutions Analyst

Chicago, IL · On-site

$88K - $111K/yr

ProAct - PBM is seeking a Senior Data Solutions Analyst to transform and organize data sets while analyzing data trends. The role involves creating automated solutions to improve efficiencies across ...

TSMG

AI/ML Data Contributor

Chicago, IL

Perform AI/ML-related tasks such as data labeling, annotation, and content evaluation * Participate ... reviewing applications, analyzing resumes, or assessing responses and identifying potential ...

TSMG

AI/ML Data Contributor

Chicago, IL · On-site

Perform AI/ML-related tasks such as data labeling, annotation, and content evaluation * Participate ... reviewing applications, analyzing resumes, or assessing responses and identifying potential ...

TSMG

AI/ML Data Contributor

Chicago, IL

Perform AI/ML-related tasks such as data labeling, annotation, and content evaluation * Participate ... reviewing applications, analyzing resumes, or assessing responses and identifying potential ...

TSMG

AI/ML Data Contributor

Chicago, IL

Perform AI/ML-related tasks such as data labeling, annotation, and content evaluation * Participate ... reviewing applications, analyzing resumes, or assessing responses and identifying potential ...

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Showing results 21-40

All JobsData Annotation Analyst JobsSenior Data Annotation Analyst JobsSenior Data Annotation Analyst Jobs in Chicago, IL

Senior Data Annotation Analyst information

See Chicago, IL salary details

$56.7K

$102.2K

$139.6K

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

As of Aug 18, 2026, the average yearly pay for senior data annotation analyst in Chicago, IL is $102,222.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,600.00 and $111,800.00 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 Chicago, IL?

The most popular types of Data Annotation Analyst jobs in Chicago, IL are:

What cities near Chicago, IL are hiring for Senior Data Annotation Analyst jobs?

Cities near Chicago, IL with the most Senior Data Annotation Analyst job openings:

Senior Data Annotation Analyst jobs near you

Senior Data Analyst

Tempus AI

Chicago, IL • On-site, Remote

$90K - $125K/yr

Full-time

Posted yesterday

New

Tempus AI rating

7.7

Company rating: 7.7 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

148th of 245 rated software companies

Job description

Passionate about precision medicine and advancing the healthcare industry?

Recent advancements in underlying technology have finally made it possible for AI to impact clinical care in a meaningful way. Tempus' proprietary platform connects an entire ecosystem of real-world evidence to deliver real-time, actionable insights to physicians, providing critical information about the right treatments for the right patients, at the right time.

We're looking for an experienced Senior Data Analyst to help us design and execute on clinical evidence studies with the mission of delivering personalized care to cancer patients.

What you’ll do:

  • Develop clinical data models using dbt and SQL based on business need and interoperability between existing data models, analysis requirements and data delivery requirements

  • Develop reports for central monitoring, KPI metrics, visualization of study performance and 

  • Develop data automation pipelines for data delivery, data handling routines for post-processing of raw data for analysis-ready data sets 

  • Support the development and maintenance of integration of data across data marts, including management of de-identification of protected health information

  • Support best practices code maintenance, validation and documentation

Qualifications:

  • 5+ years of relevant work experience, preferably in an analytical or consulting role within or in support of the Life Sciences or Healthcare industry

  • Strong command of SQL and other scripting languages (R or Python)

  • Experience using Business Intelligence Software such as Looker 

  • Experience in oncology, cancer genomics, molecular biology and/or clinical trials, as demonstrated by focus area in school/university, a side project, or previous work experience

  • Experience building client-ready deliverables and other outputs 

  • Experience working with disorganized data from various sources and translating raw data into practical insights and recommendations

  • Experience with data manipulation, cleaning, and visualization

  • Excellent communication skills with demonstrated ability to communicate with diverse audiences

  • Ability to take ownership of deliverables, navigate ambiguity and juggle multiple projects simultaneously

  • Goal orientated, self motivated, and driven to make a positive impact in healthcare

  • Thrive in a fast-paced environment and willing to shift priorities seamlessly

#LI-DA1

CHI - $80,000-$115,000

NY/CA - $90,000-$125,000

The expected salary range above is applicable if the role is performed from California and may vary for other locations (Colorado, Illinois, New York). Actual salary may vary based on qualifications and experience. Tempus offers a full range of benefits, which may include incentive compensation, restricted stock units, medical and other benefits depending on the position.

Additionally, for remote roles open to individuals in unincorporated Los Angeles – including remote roles- Tempus reasonably believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment: engaging positively with customers and other employees; accessing confidential information, including intellectual property, trade secrets, and protected health information; and appropriately handling such information in accordance with legal and ethical standards. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. 

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