Software Support Engineer, C#/.NET & SQL.

bpcs; Redmond (WA); On-site; USD 110,000 - 150,000; Full time

Job summary

Blueprint is a technology solutions firm seeking a skilled engineer to support and enhance business-critical software applications, telemetry services, and infrastructure monitoring in large-scale data centers. You will combine hands-on C#/.NET development with SQL Server administration and advanced production troubleshooting to maintain service reliability and operational readiness.

Work closely with software engineering, infrastructure, and operations teams to improve performance, security,

Qualifications

• Experience developing, maintaining, testing, debugging, or supporting applications using C# and .NET.
• Hands-on experience with Microsoft SQL Server, including SQL queries, T-SQL, and performance tuning.
• Working knowledge of Windows operating systems, services, configurations, deployments, logs, and troubleshooting.
• Experience diagnosing production issues, root cause analysis, and service restoration.
• Understanding of software development and release practices, including testing and deployments.
• Ability to develop technical documentation, troubleshooting procedures, and runbooks.

Responsibilities

• Provide Tier 3 support for applications, telemetry services, and infrastructure operations.
• Investigate and resolve complex issues across applications, databases, and connectivity.
• Support incident response, service restoration, and root-cause analysis, including on-call when required.
• Develop, maintain, debug, and enhance apps, services, APIs, and integrations using C# and SQL.
• Assist with releases, patching, deployments, and secure configuration changes.
• Maintain configurations, scripts, workflows, and data models to improve efficiency.
• Administer and troubleshoot SQL Server environments, backups, recovery, and high availability.
• Support disaster recovery configurations and Windows Server failover setups where applicable.
• Maintain and troubleshoot T-SQL objects, reports, and data dependencies.
• Collaborate with engineering, infrastructure, and operations to resolve issues and improve reliability.

Skills

C# & .NET

Production troubleshooting

Documentation & runbooks

Problem solving

Telemetry & monitoring

Tools

Microsoft SQL Server

Azure DevOps

Job description

About Blueprint

Blueprint is a technology solutions firm headquartered in Bellevue, Washington, with teams across the United States. We help organizations turn complex challenges into meaningful outcomes by connecting strategy and execution across AI, cloud, data, product development, and emerging technology.

Our culture is built by people who care deeply about doing exceptional work. We set high standards, take ownership, and continually challenge ourselves and one another to be better. We work hard, support each other, and take genuine pride in what we deliver for our clients, partners, and teams.

At Blueprint, you'll work alongside talented people with different experiences, expertise, and perspectives. You'll have opportunities to take on meaningful challenges, expand your skills, and see the impact of what you build.

Bring your perspective. Raise the standard. Build what matters.

In This Role

In this role, you will support and enhance business-critical software applications, telemetry services, and infrastructure monitoring solutions used across large-scale data center environments. You will combine hands‑on C#/.NET development, SQL Server administration, and advanced production troubleshooting to maintain service reliability and operational readiness. You will investigate complex application and database issues, support deployments and software updates, improve automation and observability, and develop clear technical documentation, troubleshooting guides, and operational runbooks. Working closely with software engineering, infrastructure, and operations partners, you will help restore services, identify root causes, implement corrective actions, and continuously improve the performance, security, and reliability of production systems.

Responsibilities

• Provide Tier 3 technical support for applications, telemetry services, monitoring platforms, and infrastructure operations solutions across development, test, and production environments.
• Investigate and resolve complex application, database, connectivity, authentication, configuration, networking, deployment, and service dependency issues.
• Support incident response, service restoration, root‑cause analysis, and corrective actions, including participation in an on‑call rotation when required.
• Develop, maintain, debug, and enhance applications, services, APIs, integrations, and automation using C#, .NET, and SQL.
• Support code reviews, testing, release validation, deployments, patching, hotfixes, and secure configuration changes throughout the application lifecycle.
• Maintain application configurations, scripts, workflows, data models, and metadata‑driven customizations to improve system functionality and operational efficiency.
• Administer and troubleshoot Microsoft SQL Server environments, including database performance, query optimization, relational data structures, security, backup and recovery, and high availability.
• Support database availability and disaster recovery configurations, including Always On Availability Groups and Windows Server Failover Clustering where applicable.
• Maintain and troubleshoot T‑SQL objects, reporting solutions, database integrations, and application data dependencies.
• Troubleshoot Windows operating systems, Windows services, IIS configurations, application deployments, certificates, authentication, and service dependencies.
• Use development and delivery tools such as Azure DevOps to support source control, work item tracking, release coordination, and deployment activities.
• Apply scripting and configuration management practices to support system maintenance, operational consistency, and service improvements.
• Create and maintain technical documentation, architecture references, troubleshooting guides, operational runbooks, deployment checklists, standard operating procedures, and known‑issue records.
• Analyze incident trends, telemetry, and support metrics to identify recurring issues and improve reliability, observability, automation, security, and service recovery.
• Collaborate with software engineering, infrastructure, and operations partners to resolve technical issues, support new solution

Qualifications

• Experience developing, maintaining, testing, debugging, or supporting applications using C# and .NET.
• Hands‑on experience with Microsoft SQL Server, including SQL queries, T‑SQL, database troubleshooting, performance tuning, and relational database concepts.
• Working knowledge of Windows operating systems, application services, configuration, deployments, logs, and technical troubleshooting.
• Experience diagnosing production application issues, investigating root causes, and supporting service restoration across development, test, or production environments.
• Understanding of software development and release practices, including testing, code reviews, deployments, patching, and application maintenance.
• Ability to develop technical documentation, troubleshooting procedures, and operational runbook