Senior IT Applications Analyst
Posting Start Date: 11/4/26
Job Location (Short): Peoria, Illinois, USA, 61639 | Chicago, Illinois, USA, 60631 | Milwaukee, Wisconsin, USA, [redacted]
Requisition ID: 37013
Onsite or Remote: Onsite Position
Job OverviewThe IT Applications Developer - Supplier E-Commerce and Baan Integration is responsible for supporting, maintaining, and enhancing the supplier-facing e-commerce website used by external suppliers to exchange business transactions with the Baan ERP system. This role develops and supports .NET applications, SQL Server databases, Windows Server/IIS environments, and system interfaces that enable reliable supplier access, transaction processing, reporting, and data integration. The developer works closely with business users, suppliers, IT infrastructure, cybersecurity, and ERP teams to troubleshoot production issues, deliver enhancements, protect system availability, and reduce operational risk. The position provides backfill coverage for the current technical owner for a business-critical supplier portal and Baan integration platform.
Key Job ResponsibilitiesTo be successful in this role, the IT Applications Developer owns support and enhancement of the supplier portal, SQL Server processes, Windows Server/IIS hosting, and Baan ERP interfaces.
• Support and enhance supplier-facing .NET e-commerce applications.
• Develop and troubleshoot SQL Server databases, stored procedures, queries, jobs, and integrations.
• Support Windows Server/IIS environments used by the supplier portal and related services.
• Maintain data exchanges between the supplier portal and Baan ERP.
• Resolve production incidents, perform root cause analysis, and implement corrective actions.
• Partner with business, ERP, infrastructure, security, and supplier teams on requirements and releases.
• Document architecture, code, integrations, jobs, support procedures, and recovery steps.
• Test, deploy, and validate enhancements, fixes, upgrades, and configuration changes.
• Monitor performance, logs, errors, backups, patches, and access controls.
Qualifications/Requirements• Bachelor's degree in Information Technology, Computer Science, Software Engineering, or related field; equivalent experience considered.
• 5+ years developing and supporting Microsoft-based business applications.
• Strong C#, .NET, ASP.NET web application experience.
• Strong SQL Server/T-SQL skills including stored procedures, jobs, troubleshooting, and performance analysis.
• Hands-on Windows Server and IIS support experience.
• ERP integration experience; Baan ERP experience strongly preferred.
• Experience supporting externally facing portals, secure access, and production incidents.
• Knowledge of source control, SDLC, change control, testing, release management, and documentation.
• Ability to troubleshoot across application, database, server, interface, and network layers; strong communication with business users, suppliers, IT teams, and leadership.
Additional InformationHiring Range At Komatsu, your base pay is one part of your total compensation package. This role pays $105,000-$135,000. The actual offer will consider a wide range of factors, including experience and location.
Company Benefits Komatsu provides an extensive and robust employee benefits package that is designed to enhance the well-being of our employees and family members. We embrace a positive and empowering employee experience with a culture that prides itself on a diverse and inclusive environment.
- Health benefits: Medical, dental, vision, HSA, wellness programs, etc.
- 401k and/or employee savings programs
- Employee time off (vacation and designated holidays)
- Employee and family assistance programs
- Disability benefits
- Life insurance
- Employee learning and development programs
