Machine Learning Engineer

About this role

OPSWAT , a global leader in IT, OT , and ICS critical infrastructure cybersecurity, delivers an end-to-end platform that gives public and private sector organizations and enterprises the critical advantage needed to protect their complex networks, secure their devices, and ensure compliance. Over the last 20 years our commitment to innovative technology has earned the trust of more than 1,700 organizations, governments, and institutions globally, solidifying our role in protecting the world’s critical infrastructure and securing our way of life.

The Position We are looking for a driven and passionate Machine Learning Engineer who will own the data foundation the team runs on: dataset pipelines, labeling workflows, and data quality. Model quality is bottlenecked by data quality; this role removes that bottleneck. We've had a strong presence in Veszprém for over a decade, and we're now expanding into Budapest, this role is based in our newly opening Budapest office, right at the start of that growth.

You Will Have the Opportunity to Train and fine-tune models against curated datasets; run systematic hyperparameter and architecture experiments Build and maintain evaluation suites: regression tests for model behavior, benchmark tracking across model versions Analyze model failures (false positives/negatives) and translate findings into dataset or training improvements Package models with documentation, benchmarks, and reproducible evaluation results for Engine team handoff Contribute to internal tooling for experiment tracking and model comparison What We Are Looking For 2+ years ML engineering or applied data science experience Strong Python; hands-on experience with modern training and fine-tuning workflows Experience with structured model evaluation (not just accuracy, precision/recall tradeoffs, drift, edge-case analysis) Comfortable working against defined acceptance criteria and production constraints Why You'll Love Working Here Innovative Environment : Join a team at the forefront of cybersecurity innovation.

At OPSWAT, you'll have the opportunity to work with cutting-edge technologies and contribute to solutions that shape the future of cybersecurity. Collaborative Culture : We foster a culture of collaboration, where every team member's input is valued. You'll have the chance to work alongside talented individuals who are passionate about cybersecurity and dedicated to making a difference. Professional Growth : At OPSWAT, we prioritize the growth and development of our team members.