Lead Point of Sale (POS) Integration Engineer

HF Sinclair is seeking a Lead Point of Sale (POS) Integration Engineer in Dallas, TX or Salt Lake City, UT.  This position serves as the senior technical SME for petroleum POS platforms and integrations. This role will partner with the department Supervisor to guide technical direction and vendor relationships. This role ensures reliable, consistent performance across a distributor-based customer model with varied store sizes and technical complexity, while leading POS design, deployment, and ongoing modernization.  It also oversees system testing, lifecycle management, and supports help desk teams in resolving POS and payment issues.

• Serve as lead technical SME across POS platforms (Verifone, Invenco, NCR, etc.)


• Help troubleshoot and resolve complex POS and payment issues


• Own the technical side of vendor relationships; review changes, manage escalations, and enforce standards


• Lead POS integrations, system upgrades, deployments, and testing efforts across environments


• Define and enforce configuration, integration, and troubleshooting best practices


• Drive root cause analysis, implement fixes, and improve system performance, stability and supportability


• Mentor engineers and support staff; build internal capability and reduce vendor reliance


• Support store operations; handle escalations, technical inquiries, and POS/payment issues across locations and partners

Special assignments or tasks assigned to the employee by their supervisor, as determined from time to time in their sole and complete discretion.

• Minimum of 4–10 years in POS and retail technology environments.


• Hands-on experience across multiple POS platforms (e.g., Verifone, Invenco, NCR).


• Strong knowledge of payment processing, including EMV, PCI, device interactions, and settlement flows.


• Experience working directly with vendors and managing technical support engagements.


• Experience guiding technical decisions and influencing system standards.

Bachelor’s degree in information technology, computer science, engineer or related field.  Equivalent combination of education and specific relevant experience will be considered.

• Expert knowledge of POS systems, payment processing, and mobile payment apps (Android/iOS)


• Strong troubleshooting and root-cause analysis for complex cross-system issues


• Ability to make technical decisions and drive resolution under pressure


• Effective communication with technical teams, vendors, and business stakeholders


• Proficiency with Microsoft Office and system documentation and release schedules

Preferred Skills

• Experience in fuel/convenience retail environments, including pay at the pump. In store POS, and loyalty applications


• Experience supporting distributed retail networks with stores of varying technical sophistication


• Prior IT helpdesk or minor networking experience

• Medical Insurance


• Vision Insurance


• Dental Insurance


• Paid Time-Off


• 401(k) Retirement Plan with match


• Educational Reimbursement


• Parental Bonding Time


• Employee Discounts