Principal Application Support Engineer
Listed on 2026-09-05
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IT/Tech
IT Support, Cloud Computing: Infrastructure & Operations, Systems Engineer, Systems Administrator
This position is only open to Internal King County employees. Only current King County employees will be considered.
Principal Application Support Engineer to lead support activities for applications spanning various business domains of King County, particularly in Law-Safety-Justice, E-commerce and Accessor & Treasury applications. This specialist and technical lead position will focus on onboarding new systems through continuous integration & deployment pipelines, performing upgrades, building and monitoring system alerts and dashboards, resolving production issues, and managing application life cycles both on-premises and cloud hosting environments mainly in Azure.
The successful candidate will apply software development and data management skills to support coding, scripting, system monitoring, process improvement, application security, and configuration management. They will troubleshoot complex issues across application and platform layers while collaborating closely with KCIT divisions managing Information & Cyber security, Network, Cloud infrastructure, Database & Operating Systems, Servers, Software Engineering, and Project Management teams. The ideal candidate will have deep expertise in production incident management, application troubleshooting, observability, and support operations, with a learning mindset for improving the reliability and operational maturity of critical applications.
AboutKing County Department of Information Technology (KCIT)
King County is committed to being the best-run government in the nation, and King County Information Technology (KCIT) is helping lead that transformation. KCIT harnesses the power of technology to modernize operations, advance digital equity and social justice, and deliver innovative solutions that engage, empower, and serve our residents, businesses, and community partners.
Recognized by the National Association of Counties (NACo) for excellence in vision, strategy, innovation, and collaboration, KCIT is focused on delivering smart, secure, and customer-centered technology services that strengthen county operations and support thriving, resilient communities. As the technology business partner to all 18 County departments, KCIT provides the foundational systems and services that power many of the region’s most essential functions.
We work side‑side with our partners to design and deliver technology solutions that enhance customer experience and advance King County’s mission. Learn more about KCIT at: (Use the "Apply for this Job" box below)..
This recruitment may be used to fill additional vacancies that may occur.
- Support complex and high-impact IT solutions to serve business partners.
- Support applications and other IT solutions hosted on premises and in the Cloud, especially in modern hosting platforms and keep up with emerging technologies.
- Troubleshoot, configure and implement applications and related components.
- Operate and maintain applications in the team's support portfolio, including relevant data and IT processes.
- Oversee architectural designs as a technical lead role for new IT solutions to support evolving business needs.
- Lead day-to-day application issue resolutions, manage communications and provide after-hours application support.
- Act as the lead contact point for system support issues, explain business processes, resolve system issues, work with internal and external system users.
- Minimum of six (6) years of experience in supporting business software systems and applications.
- Experience in Azure application support, Kubernetes operations, container platforms, observability, performance troubleshooting, incident management and root cause analysis.
- Proficiency in coding environments tools such as Visual Studio, VS Code, Azure Dev Ops, SSMS, IIS.
- Proficiency in coding languages such as C#, JavaScript, Power Shell, SQL and experience with continuous integration and deployment process.
- Experience with Azure Monitor, Log Analytics, Application Insights, operational dashboards, telemetry strategy and alert tuning.
- Experience with Azure Dev Ops and/or Git Hub Actions, automation and scripting experience using Power Shell or Bash.
- Knowledge of…
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