Cybersecurity Engineer

Responsibilities

• Design, build, and deploy machine learning and statistical models for threat detection, anomaly detection, and fraud identification
• Engineer robust security data pipelines for ingestion, cleansing, and feature engineering using structured and unstructured cyber data
• Analyze security tool outputs to identify control gaps, policy deviations, and emerging threat patterns
• Partner with the Security Operations Center (SOC) and infrastructure teams to embed AI into security controls and incident response workflows
• Conduct model performance evaluations, including bias and drift analysis, to improve detection efficacy
• Develop visualizations and storytelling artifacts to communicate complex analytic findings to stakeholders

Requirements

• 6+ years of experience in data science or machine learning using Python or R
• 4+ years of experience working with security-relevant datasets (SIEM, endpoint protection, network telemetry, etc.)
• 4+ years of experience with SQL and big data or cloud analytics platforms such as Hadoop, Spark, or Databricks
• 4+ years of experience applying machine learning methods like classification, clustering, or anomaly detection
• Bachelor's degree or higher in Computer Science, Data Science, Statistics, Engineering, Cybersecurity, or a related quantitative field

Preferred Qualifications

• Experience applying AI to cybersecurity use cases like insider threat or cloud security posture management
• Experience in the financial services or payments industry working with sensitive data
• Experience with MLOps practices and tooling in a regulated environment
• Professional certifications such as CISSP, CCSP, or recognized data science certifications

Benefits

• Fuel Your Life program supporting physical, financial, social, and emotional well-being
• Medical, dental, vision, life, and disability insurance available from day one
• Retirement planning and discounted shares via the Employee Stock Purchase Plan
• Tuition assistance and reimbursement programs
• Paid parental, caregiver, and military leave

About the Company

Fiserv is a global leader in Fintech and payments, connecting financial institutions, corporations, merchants, and consumers millions of times a day. We move money and information securely and reliably to help transform the financial services industry.