Job Title: Application Engineer (SD/CRM)
Location: Houston, TX (On-site)
Company: Yinlun TDI LLC
Position Overview
We are seeking an Application Engineer (SD/CRM) to support and progressively take ownership of SAP SD, CRM, EDI, and related customer order-fulfillment processes across Yinlun TDI's North American operations.
Yinlun TDI is implementing SAP S/4HANA together with an integrated system landscape that includes WMS, MES, SRM, CRM, IQC, and other connected applications across the United States and Mexico. This role will provide Level 1 and Level 2 application support, troubleshoot transactional and interface issues, support users, and help maintain reliable day-to-day business operations.
This is a growth-oriented role designed to develop into an internal Level 3 functional owner over time, with increasing responsibility for configuration, functional specifications, system design decisions, and reduced reliance on external consultants.
Key Responsibilities
- Serve as a primary application support contact for SAP SD, CRM, EDI, and customer order-fulfillment processes.
- Support Sales, Customer Service, Program Management, Shipping, and Logistics users.
- Own assigned support tickets from intake through resolution or escalation.
- Document business impact, troubleshooting performed, and final resolution.
- Prioritize issues affecting customer releases, order processing, shipping, ASN transmission, invoicing, and other customer-facing processes.
- Participate in escalation and after-hours support during cutovers, hypercare, major releases, and critical business incidents.
- Develop deep functional knowledge of SAP SD, CRM, EDI, customer master data, pricing, scheduling agreements, deliveries, shipping, billing, and related integrations.
- Maintain functional configuration, process flows, interface documentation, customer-specific requirements, and key decision records.
- Support data quality for customer, ship-to, customer-material, pricing, scheduling-agreement, EDI partner, packaging, labeling, and related master data.
- Understand integration with PP, MM/WMS, FI, MES, and other systems while maintaining primary ownership of the SD/CRM/EDI area.
- Monitor and troubleshoot SAP IDocs, EDI transmissions, middleware jobs, customer portal interfaces, CRM integrations, WMS shipping interfaces, and related batch jobs.
- Diagnose issues involving customer demand, scheduling agreements, sales orders, deliveries, ASNs, invoices, acknowledgments, master data, mappings, and blocked SAP documents.
- Trace transactions across system boundaries and identify the point of failure.
- Coordinate resolution with application, infrastructure, network, and vendor teams.
- Identify recurring failures and drive corrective actions through configuration, master-data, process, or interface improvements.
- Support SAP S/4HANA and connected-system implementations through requirements gathering, fit-gap analysis, configuration validation, testing, defect management, and retesting.
- Coordinate integration testing and UAT with business users.
- Support cutover, data validation, migration, EDI setup, interface activation, go-live, and hypercare.
- Support future releases, upgrades, enhancements, and additional site deployments.
- Build and maintain operational reports, queries, and dashboards.
- Investigate discrepancies involving orders, deliveries, shipping, ASNs, billing, CRM, and EDI.
- Maintain work instructions, quick-reference guides, known-error documentation, and user training materials.
- Train and support business users, key users, and super users.
- Support application roles, authorizations, and periodic access reviews.
- Progress toward Level 3 capability by taking ownership of defined configuration areas and writing functional specifications for reports, interfaces, conversions, enhancements, and forms.
Requirements
Education
- Bachelor's degree in Information Technology, Information Systems, Industrial Engineering, Computer Science, Business Administration, or a related field.
- Equivalent practical experience in ERP support within manufacturing may be considered.
Professional Experience
- Two or more years of experience supporting an ERP system in a live production environment with hands-on ticket ownership.
- Candidates with three to five years of experience and demonstrated depth in one functional area may be considered at the higher end of the role.
- Working knowledge of SAP S/4HANA or ECC at the transaction and process level in at least one relevant functional area.
- Demonstrated experience in a manufacturing environment with direct exposure to production, warehouse, or quality operations.
- Automotive Tier 1 or Tier 2 experience strongly preferred.
Skills
- Strong understanding of end-to-end business processes such as order-to-cash, procure-to-pay, plan-to-produce, or record-to-report.
- Structured troubleshooting ability, including reproducing issues, isolating root causes, and verifying fixes.
- Ability to read application and interface error logs and use the information to resolve issues.
- Practical understanding of ERP integration with systems such as WMS, MES, CRM, SRM, quality systems, and EDI.
- Strong reporting and data analysis skills.
- Ability to write or read SQL queries and work confidently in advanced Excel.
- Experience working with ticketing systems and defined service levels.
- Professional working proficiency in both English and Spanish.
- Ability to travel approximately 20-30% between Houston and Mexico sites.
- Ability to work planned off-hours for cutovers, go-lives, hypercare, physical inventory, and period close.
- Valid passport and eligibility to obtain relevant business visas.
- Legally authorized to work in the country of hire without sponsorship.
- Strong interest in developing into a functional-technical Level 3 role.
Preferred Qualifications
- SAP certification in the relevant module, or an SAP certification path already underway.
- Direct experience with an SAP S/4HANA implementation or rollout.
- Hands-on experience with WMS, MES, supplier portals, CRM, or quality/inspection systems integrated with ERP.
- Automotive EDI experience including scheduling agreements, releases, ASNs, invoices, and customer-specific requirements.
- Familiarity with SAP integration technologies including IDocs, BAPIs, RFC, SAP Integration Suite, PI/PO, and API-based interfaces.
- Ability to read ABAP and use the debugger at an analysis level.
- Exposure to Fiori, CDS views, or embedded analytics.
- Experience in an IATF 16949 environment.
- TISAX or ISO 27001 awareness.
- Lean, Six Sigma, APICS CPIM/CSCP, or ITIL Foundation certification.
- Experience within a Chinese- or Asian-headquartered multinational.
- Conversational Mandarin is an advantage but not required.
Benefits
- Competitive salary and performance-based bonus
- Comprehensive benefits package (medical, dental, vision, life insurance)
- Short-term and long-term disability coverage
- 401(k) with company match
- Paid vacation, sick time, holidays, and floating holidays
- Career growth opportunities in a fast-paced, global environment
