Senior POS Systems Engineer

Holistic Partners, Inc; Andover (MA); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Holistic Partners, Inc. is seeking a Senior POS Systems Engineer to support, engineer, and enhance its enterprise retail POS environment. You will own and troubleshoot complex POS platforms, applications, and integrations in a high-volume retail setting.

The role requires hands-on expertise with major POS systems, strong vendor management, and the ability to drive issues to resolution. This onsite role offers hybrid flexibility with remote Fridays alternating, and a 6-month contract-to-hire path.

Qualifications

• 5+ years of hands-on Retail POS engineering experience.
• Strong experience with enterprise POS platforms (NCR, Toshiba, GK/Fujitsu, ECRS, or equivalent).
• Deep understanding of POS applications, architecture, and functionality.
• Experience with POS integrations and end-to-end transaction flows.
• Excellent troubleshooting and root cause analysis skills.
• Experience supporting Windows-based POS systems and peripherals.
• Ability to manage third-party vendors and technical escalations.
• Knowledge of payment processing and POS-to-payment terminal integrations.
• Ability to take ownership and drive issue resolution.

Responsibilities

• Engineer, support, and enhance enterprise POS applications and related store technologies.
• Troubleshoot complex issues across POS software, hardware, and integrations.
• Understand and support end-to-end transaction workflows.
• Collaborate with internal teams and external vendors to resolve technical issues.
• Support POS upgrades, testing, implementations, and new functionality.
• Serve as senior escalation point and drive root cause resolution.
• Improve system reliability, documentation, and support processes.

Skills

POS Engineering

Enterprise POS

POS Integrations

Troubleshooting

Windows POS Support

Vendor Management

Payment Processing

Technical Ownership

Job description

Work Arrangement: Onsite 5 days/week (every other Friday remote)

Employment Type: 6-Month Contract-to-Hire

Job Summary

Client is seeking a Senior POS Systems Engineer to support, engineer, and enhance its enterprise retail Point-of-Sale (POS) environment. The ideal candidate will have strong hands-on experience with enterprise retail POS platforms, application integrations, and end-to-end troubleshooting in a high-volume retail environment.

This is a senior, hands-on role requiring strong technical ownership, vendor management, and the ability to troubleshoot complex POS and payment-related issues.

Must-Have Skills

• 5+ years of hands-on Retail POS Engineering / POS Systems experience.
• Strong experience with enterprise POS platforms (NCR, Toshiba, GK/Fujitsu, ECRS, or equivalent).
• Deep understanding of POS applications, architecture, and functionality.
• Strong experience with POS integrations and end-to-end transaction flows.
• Excellent troubleshooting and root cause analysis skills.
• Experience supporting Windows-based POS systems, hardware, peripherals, and connectivity.
• Experience working with third-party vendors and managing technical escalations.
• Understanding of payment processing and POS-to-payment terminal integrations.
• Ability to take technical ownership and drive issues through resolution.

Preferred Skills

• Grocery / supermarket retail POS experience.
• Strong payments knowledge: EMV, contactless, debit, EBT/SNAP/WIC, authorization, reversals, and settlement.
• Payment terminal implementations, testing, and certifications.
• POS upgrades, deployments, and new store openings.
• Loyalty programs, incentives, and loss prevention integrations.
• Experience with logs, interfaces, application configuration, and distributed store systems.

Key Responsibilities

• Engineer, support, and enhance enterprise POS applications and related store technologies.
• Troubleshoot complex issues across POS software, hardware, peripherals, integrations, and payment systems.
• Understand and support end-to-end application and transaction workflows.
• Work with internal teams and external vendors to resolve technical issues.
• Support POS upgrades, testing, implementations, and new functionality.
• Serve as a senior technical escalation point and drive root cause resolution.
• Improve system reliability, documentation, and support processes.

Important: ECRS experience is NOT mandatory. Strong enterprise retail POS application and integration experience is the top priority. Payments expertise is a major advantage.