Contract Application Support Engineer

We are seeking a highly experienced Senior Application Support Engineer with strong expertise in .NET technologies, SQL Server, SSIS, ETL processes, and enterprise retail applications. This is a mission-critical production support role focused on ensuring the stability, reliability, and performance of customer-facing and backend business systems in a fast-paced retail environment.

The ideal candidate will possess deep technical knowledge in application support, database troubleshooting, ETL workflows, ERP integrations, and production issue resolution. The candidate will work closely with business users, development teams, infrastructure teams, and third-party vendors to resolve complex production issues and improve operational efficiency., * Provide Level 2 / Level 3 production and application support for enterprise retail applications

• Troubleshoot and resolve complex customer-facing software and backend system issues
• Support and maintain .NET / ASP.NET MVC applications, SQL Server databases, and SSIS packages
• Design, manage, and optimize ETL workflows for data integration and transformation processes
• Monitor production systems, interfaces, batch jobs, and application performance
• Perform root cause analysis and implement preventive solutions for recurring production incidents
• Analyze SQL queries and perform database performance tuning and optimization
• Utilize PowerShell scripting and automation tools to streamline operational processes
• Support ERP integrations and EDI transaction workflows across business systems
• Work with middleware and integration platforms including Seeburger for B2B communication and data exchange
• Participate in production release management, deployment support, and post-release validation
• Collaborate with cross-functional technical and business teams to resolve critical production issues
• Ensure adherence to SLA commitments, ITIL processes, and operational best practices
• Create and maintain technical documentation, knowledge base articles, and support procedures

• 10+ years of experience in Application Support, Production Support, Systems Analysis, or related roles
• Strong hands-on experience with:

• .NET / ASP.NET MVC / C#
• SQL Server, T-SQL
• SSIS (SQL Server Integration Services)
• ETL processes and data integration workflows
• PowerShell scripting

• Advanced SQL skills including:

• Complex query writing
• Stored procedures
• Performance tuning
• Database optimization

• Experience supporting enterprise retail or eCommerce applications
• Strong troubleshooting and root cause analysis skills in high-pressure production environments
• Hands-on experience with batch processing, job scheduling, and monitoring tools
• Familiarity with ticketing and monitoring tools such as ServiceNow, JIRA, or Remedy
• Experience with incident management, defect resolution, and production release support
• Excellent communication, documentation, and cross-functional collaboration skills, * Experience with Angular or React
• Familiarity with MAS500 / Sage MAS 500 ERP systems
• Experience implementing and supporting EDI transactions and integrations
• Knowledge of Seeburger middleware and B2B integration solutions
• Experience supporting CRM platforms or customer service applications
• Exposure to Azure or cloud-based infrastructure environments
• Experience with automation tools and AI-assisted operational workflows
• Working knowledge of:

• POS systems
• Warehouse Management Systems (WMS)
• Order Management Systems (OMS)
• Inventory and merchandising platforms

• Experience working in Agile and ITIL-based environments

Domain Experience

• Retail domain experience is required
• Experience supporting customer-facing retail systems, eCommerce platforms, warehouse operations, inventory systems, or order processing applications is highly preferred, Bachelor s degree in Computer Science, Information Technology, Engineering, or related field.