Production Support- Sustaining Engineer

18 hours ago


Jaipur, Rajasthan, India PAR Technology Full time ₹ 9,00,000 - ₹ 12,00,000 per year

For over four decades, PAR Technology Corporation (NYSE: PAR) has been a leader in restaurant technology, empowering brands worldwide to create lasting connections with their guests. Our innovative solutions and commitment to excellence provide comprehensive software and hardware that enable seamless experiences and drive growth for over 100,000 restaurants in more than 110 countries. Embracing our "Better Together" ethos, we offer Unified Customer Experience solutions, combining point-of-sale, digital ordering, loyalty and back-office software solutions as well as industry-leading hardware and drive-thru offerings. To learn more, visit or connect with us on LinkedIn, X (formerly Twitter), Facebook, and Instagram.

Position Description: 

PAR Technology is seeking a technically skilled Sustaining Engineer to maintain and troubleshoot our PAR POS and integrated payment solutions for the hospitality industry. This role focuses on resolving complex technical issues, improving system reliability, and supporting our production environments through hands-on problem-solving.

The ideal candidate is a detail-oriented engineer with strong diagnostic skills and practical experience maintaining critical payment systems and POS infrastructure.

Position Location: Jaipur

Reports To:  Manager

What We're Looking For:


• Diagnose and resolve production issues across POS, payment processing, and integrated systems


• Develop and maintain scripts (PowerShell/Python) to automate troubleshooting and monitoring tasks


• Analyze system logs, application dumps, and SQL query performance to identify root causes


• Troubleshoot API integrations (REST/SOAP) and middleware message queues


• Support PCI-compliant payment systems including EMV/NFC transaction flows


• Debug POS peripherals (printers, scanners, cash drawers) using manufacturer tools


• Collaborate with engineering teams to implement permanent fixes for recurring issues


• Maintain and enhance system monitoring using New Relic/Datadog


• Document technical solutions and create knowledge base articles


• Participate in on-call rotation for critical production support

Unleash your potential: What you will be doing and owning:


• 3+ years hands-on experience maintaining production POS, payment, or distributed systems


• Proficient in Windows/Linux system administration and log analysis


• Strong SQL skills including query optimization and deadlock troubleshooting


• Scripting proficiency in PowerShell and/or Python for automation


• Payment systems expertise (EMV/NFC, PCI DSS compliance requirements)


• API troubleshooting with both REST (Postman, curl) and SOAP (SoapUI, Wireshark)


• Networking knowledge (TCP/IP, Wi-Fi) and packet analysis (Wireshark/tcpdump)


• Experience with observability platforms (New Relic/Datadog)


• Understanding of cryptographic processes and TLS/SSL management


• Ability to analyze .NET/Java application dumps and system event logs


• POS integration layers and middleware experience

Preferred Qualifications


• Certifications: Microsoft SQL Server, Network+, CCNA, or PCI Professional (PCIP)


• Experience with containerization (Docker, Kubernetes)


• Cloud platform knowledge (Azure, AWS)


• Familiarity with POS software (NCR Aloha, Micros, or similar)


• Hospitality/restaurant technology background

Interview Process:

Interview #1: Phone Screen with Talent Acquisition Team

Interview #2: Video interview with the Technical Teams (via MS Teams/F2F)

Interview #3: Video interview with the Hiring Manager (via MS Teams/F2F)

PAR is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. We also provide reasonable accommodations to individuals with disabilities in accordance with applicable laws. If you require reasonable accommodation to complete a job application, pre-employment testing, a job interview or to otherwise participate in the hiring process, or for your role at PAR, please contact  If you'd like more information about your EEO rights as an applicant, please visit the US Department of Labor's website. 


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