Senior Data Engineer

At Wi-Tronix, we power the future of rail through AI, IoT, and real-time intelligence. Our data platform is at the core of everything we build, from advanced analytics to computer vision and machine learning systems that drive safer, smarter rail operations.

We're seeking a Senior Data Engineer to architect and scale the pipelines, datasets, and systems that fuel our products, analytics, and AI models, with a particular focus on the computer vision workloads powering our next generation of rail safety products. This is a senior, high-ownership role: you'll set technical direction for how we handle image, video, and time-series data at scale, and you'll mentor engineers building alongside you.

What You'll Do

• Architect and scale reliable data pipelines and datasets supporting products, analytics, and ML and computer vision workflows, with end-to-end ownership from ingestion through production
• Design scalable data ingestion, processing, and labeling pipelines across structured and unstructured data (time-series, image, video), including large-scale image and video datasets used to train computer vision models
• Lead automation of data collection, labeling, and delivery workflows, reducing manual effort and accelerating model development across the AI team
• Own data quality validation, observability, and monitoring standards, including defining what "production-ready" means for data feeding computer vision and ML models
• Establish and maintain dataset versioning, lineage, and reproducibility practices across training and testing datasets, and set the standard other engineers work to
• Act as a systems thinker in partnering with engineering, AI, and product teams, connecting pipeline design decisions to downstream model performance and business impact
• Contribute to deep learning model implementation and production workflows, including computer vision model integration, APIs, and CI/CD testing pipelines
• Mentor other data engineers, review technical designs, and raise the bar on engineering practices across the team

What You'll Bring

• BS/MS in Computer Science, Engineering, or related field (or equivalent experience)
• 5+ years of experience building and scaling production-grade data pipelines, including experience owning systems end to end
• Hands-on experience with computer vision data and workflows: image and video ingestion, labeling pipelines, dataset preparation, and/or deploying computer vision models to production
• Strong programming skills in Python and SQL (C# a plus)
• Deep experience with cloud data platforms (e.g., AWS S3, Glue) and the judgment to choose the right tool for the problem
• Proven experience with data ingestion, transformation, and validation workflows at scale
• Comfort with APIs, containerized services, and system integration
• Demonstrated systems thinking: the ability to see how a pipeline decision today affects model performance, cost, or reliability downstream
• Experience mentoring engineers or leading technical direction on a team, even informally
• Strong attention to detail with a focus on data accuracy, availability, and production readiness
• Agile mindset and ability to thrive in a fast-paced, iterative environment

Why Wi-Tronix

• Own the architecture behind cutting-edge solutions using real-world rail data at scale
• Work at the intersection of AI, IoT, and computer vision, and shape how the team approaches it
• Direct impact on critical infrastructure and safety innovation
• A senior role with real technical influence and a clear path into technical leadership, Machine Learning Engineer, Data Scientist, or AI product roles

Work Environment Hybrid in Bolingbrook, IL: Tuesday, Wednesday, and Thursday in office, with Monday and Friday worked remotely or on site as business needs require. Ability to board a locomotive for field research. Occasional domestic and international travel may be required.

Equal Opportunity Employer Applicants must be legally authorized to work in the United States. This position does not offer employer-based visa sponsorship now or in the future. This position’s anticipated base salary range is $125,000 to $166,000. Final compensation will be based on experience, qualifications, and location. Wi‑Tronix is proud to be an Equal Opportunity, Affirmative Action, E-Verify, and Drug Free Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law. If you need reasonable accommodation for any part of the application process due to disability, please inform us at [email protected] so that we can discuss the appropriate alternatives available. Wi‑Tronix does not review unsolicited resumes from recruiters or search firms.