Dallas-Based Lead Data Security Engineer for AI & Cloud

Petro Papa; Dallas (TX); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Medical Insurance

Vision Insurance

Paid Time‑Off

401(k) Retirement Plan with match

Educational Reimbursement

Parental Bonding Time

Employee Discounts

Job summary

HF Sinclair Corporation in Dallas, TX is seeking a Senior Data Security Engineer to lead data security execution. You will define reference architectures, implement controls, and monitor maturity across data domains, API flows, and analytics pipelines.

You will collaborate across security, cloud, analytics, and application teams to reduce exposure while enabling AI/analytics initiatives and secure data access patterns in on‑prem, cloud, and SaaS environments.

Qualifications

• Minimum 8 years in cybersecurity or security engineering with hands-on data security or application security.
• Bachelor’s degree in information technology, Cybersecurity, Computer Science, or a related field.
• Proven ability to design and operationalize security controls, not just select tools.
• Experience securing data in on-premises, cloud and SaaS environments; strong API/security fundamentals.

Responsibilities

• Define and maintain data security reference architectures and control patterns focused on application‑mediated data access and API data flows.
• Define and monitor data security capability maturity across structured and unstructured data domains.
• Translate architectural intent into implementable standards for engineering teams to execute.
• Lead data exposure reduction efforts across SaaS, cloud, and business applications.
• Design execution‑point controls and monitoring aligned with data protection requirements.
• Secure analytics and AI by embedding controls into data pipelines and model interaction layers.
• Provide targeted cloud security engineering support to reduce data risk.

Skills

Data security

Security architecture

Cloud security

API security

Data access monitoring

AI/ML security

Cross-functional collaboration

Education

Bachelor's degree in Information Technology / Cybersecurity / Computer Science

Tools

Snowflake

Azure

Purview

MS SQL

Endpoint security

Job description

HF Sinclair Corporation in Dallas, TX is seeking a Senior Data Security Engineer to lead data security execution. You will define reference architectures, implement controls, and monitor maturity across data domains, API flows, and analytics pipelines.

You will collaborate across security, cloud, analytics, and application teams to reduce exposure while enabling AI/analytics initiatives and secure data access patterns in on‑prem, cloud, and SaaS environments.