Data Annotation Engineer – Defense / Aerospace

Job Title: Data Annotation Engineer

Experience: 2+ Years

Location: Bengaluru - Client Site / Field Locations

Travel: Willingness to travel frequently for on-site data collection

Job Overview

We are looking for a detail-oriented Data Annotation Engineer with hands-on experience in image and video annotation to support AI/ML initiatives in the defense and military domain.

The role involves annotating and organizing image/video datasets used for training and validating machine learning models, evaluating model performance, and supporting field-based data collection activities. The position requires significant time at the client location and frequent travel to various locations for data gathering.

Key Responsibilities

Image & Video Data Annotation

- Accurately annotate and label image/video datasets based on project and defense-domain requirements.
- Ensure annotation accuracy, consistency, and adherence to defined guidelines.
- Organize, categorize, and maintain large datasets for ML model training and testing.
- Maintain proper records and ensure data integrity throughout the annotation lifecycle.
- Collaborate with Data Scientists and ML Engineers to understand annotation requirements.

Model Evaluation & Quality
- Evaluate ML/AI model performance using annotated datasets.
- Analyze annotation quality and identify inconsistencies or errors.
- Provide feedback to Data Science and ML teams on annotation quality and its impact on model performance.
- Support continuous improvement of annotation processes and guidelines.

Data Collection & Field Activities
- Plan and execute data collection activities based on project requirements.
- Travel to various field locations for on-site image/video data collection.




- Coordinate with client and on-ground teams to ensure smooth and reliable data collection.
- Maintain proper documentation of field data and collection activities.

Cross-functional Collaboration
- Work closely with Data Scientists, ML Engineers, Software Engineers, and project teams.
- Support project teams in preparing datasets for AI/ML model development and validation.
- Contribute to achieving project objectives within defined quality and timelines.

Required Qualifications
- 2+ years of professional experience in data annotation, image annotation, video annotation, or a related role.
- Hands-on experience with image/video annotation tools and techniques.
- Strong understanding of annotation guidelines, labeling practices, and data quality.
- Ability to manage and organize large datasets efficiently.
- Experience in evaluating or validating ML/AI model outputs using annotated data.
- Strong attention to detail and analytical skills.
- Valuable written and verbal communication skills.
- Willingness to travel frequently and work at client/field locations.

Preferred Skills
- Experience working in Defense, Military, Surveillance, Aerospace, or related domains.
- Experience planning or participating in field-based data collection campaigns.
- Prior experience working with AI/ML or Computer Vision teams.
- Basic to intermediate Python programming skills.
- Familiarity with software testing, validation, or data quality processes.
- Experience with computer vision datasets and object detection/segmentation is an advantage.

Key Skills Data Annotation | Image Annotation | Video Annotation | Computer Vision | AI/ML | Dataset Management | Data Collection | Model Validation | Object Detection | Image Segmentation | Python | Data Quality | Defense / Surveillance

📌 Data Annotation Engineer (Bengaluru)
🏢 Qubist Solutions
📍 Bengaluru