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Added 3 mins ago
C
.NET Full stack Engineer with C#
Cognizant
Salt Lake City, UT
- $86,000 to $99,000 USD / year
Strong proficiency in .NET Framework, C#, Java, and Spring Boot.
Added 3 mins ago
C
.NET Full stack Engineer with C#
Cognizant
Salt Lake City, UT
- $86,000 to $99,000 USD / year
Strong proficiency in .NET Framework, C#, Java, and Spring Boot.
Added 3 mins ago
C
.NET Full stack Engineer with C#
Cognizant
Salt Lake City, UT
- $86,000 to $99,000 USD / year
Strong proficiency in .NET Framework, C#, Java, and Spring Boot.
Added 1 hour ago
Sr. Manager, Engineering- Mars Veterinary Health
Banfield Pet Hospital
Vancouver, WA
Working knowledge of C#/.NET and TypeScript/Angular sufficient to evaluate technical designs and delivery quality. Azure application services (AKS, APIM, Key Vault, SQL MI). Azure DevOps or…
Added 1 hour ago
Application Engineer- Mars Veterinary Health
Banfield Pet Hospital
Vancouver, WA
Proficiency in C#/.NET and TypeScript/Angular application development, with experience building and supporting applications in Microsoft Azure environments.
Added 2 hours ago
Programmer
Kelly Services
Chanhassen, MN
Software Developer (.NET / SQL Server) - Hybrid
Added 2 hours ago
SO
Power Platform Lead/Administrator - Information Technology Spec 4
State of Minnesota
St. Paul, MN
- $37.72 to $62.21 USD / hour
Experience with JavaScript, JSON, C# and .NET development.
Added 2 hours ago
Technology Specialists, U.S. Capitol Police (DW26110901)
GTSC-Talent Solutions
WASHINGTON, DC
~~~ Sr Azure App Developer, Cloud-Native: 5–8+ yrs development experience and key skills: C#/.NET, REST APIs, App Service, Functions, Azure SQL MI, CI/CD
Added 4 hours ago
Tier 3 Technical Support Engineer
CaseWorthy, LLC
Remote, United States
Ability to read C# and .NET application code well enough to trace a bug to a likely source.
Added 5 hours ago
Principal Cloud Architect // C#.NET // Boston
Kelly Services
Boston, MA
10+ years of professional experience in software engineering, with specific experience in C#/.NET experience
Added 5 hours ago
Senior C#/.NET Engineer // Boston Hybrid
Kelly Services
Boston, MA
This role is looking for someone with strong full-stack development experience with C#/.NET. The position is hybrid, 2 days per week in downtown Boston. Thanks for applying!
Added 5 hours ago
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Profound knowledge of programming languages (Python, C#, .Net, SQL, and associate)
Added 5 hours ago
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North Charleston, SC
Experience with database development, C# ASP.NET CORE MVC, C# ASP.NET CORE Blazor, software development best practices, clean code, Python, C++, Linux and Cloud Development, .NET Core…
Added 5 hours ago
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…ID, Key Vault, Azure DevOps, and Application Insights, using .NET (C#) or…
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Lafayette, LA
with software development in languages such as Java, C#, .NET, Python, C++, or JavaScript, with a solid understanding of object-oriented programming
Added 9 hours ago
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Lafayette, LA
with software development in languages such as Java, C#, .NET, Python, C++, or JavaScript, with a solid understanding of object-oriented programming
Added 9 hours ago
Associate Full Stack Developer
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Maintain of existing C#/.NET applications and MS SQL databases, and assist with migration efforts to Java/Spring Boot and PostgreSQL
Added 10 hours ago
AI Automation Engineer
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Added 12 hours ago
Data Architect (Atlanta, GA, or other unanticipated locations throughout U.S.).
Insight Global
Atlanta, GA
M.S. in Design, Data Science or related field of study. 24 mo. exp in any related Software Developer/data engineering or related IT position. 24 mon in: Python; JavaScript; TypeScript; SQL;…
Added 12 hours ago
Sr. Software Engineer – Enabling Technologies R&D (Atlanta, GA, or other unanticipated locations throughout U.S.)
Insight Global
Atlanta, GA
…and enhancing existing complex software system. Upgrading the .NET Framework from 4.7 to 8.0. Analyzing requirements, planning, and implementing software solutions with minimal guidance.…
Added 13 hours ago
Application Support Technical Team Lead
Kastel Staffing
Sandy Springs, GA
Proven ability to troubleshoot, analyze, and resolve issues in C#/.NET Framework applications, utilizing code analysis, debugging techniques, and AI-assisted development tools such as…
Added 13 hours ago
Front End Developer
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Sandy, UT
Preferred experience: Knowledge of server-side programming languages including C# .Net.

CaseWorthy, LLC

Tier 3 Technical Support Engineer

Remote, United States

$90,000-$125,000

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Job details

Pay: $90,000-$125,000
Posting language: English
Posted: Nov 6, 2026

Original job description

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Description

Job Summary The Tier 3 Technical Support Engineer is the last line of technical defense before an issue reaches Engineering. You own the hardest customer problems: the ones Tier 1 and Tier 2 could not resolve that span multiple systems, or that point to a defect in the product itself. You will spend most of your time in logs, databases, APIs, and code, reproducing issues and finding root cause. You act as the bridge between Support and Engineering, translating customer impact into actionable bug reports and bringing engineering context back to the support team. This role reports to the Director of Technical Support and works closely with Engineering, Product, and Customer Success.

Responsibilities

Own escalated cases end to end, take complex, high-impact, or long-running issues from Tier 2, drive them to resolution, and keep the customer and account team informed throughout.
Triage where a problem lives (browser, application, API, database, or infrastructure) before deep-dive analysis, and balance short-term containment such as workarounds or rollback against the long-term fix engineering will implement.
Perform deep root-cause analysis using application logs, database queries, API traces, browser dev tools, and monitoring data (APM, error tracking, infrastructure metrics).
Validate data and configuration as part of every investigation: determine whether the cause is bad or missing data, misconfiguration, or incorrect assumptions about the customer's setup, and perform data repair when required.
Reproduce defects in staging or UAT with equivalent configuration and de-identified sample data, and file bug reports that meet the Definition of Ready, including proposed Priority and Severity with a one-line reason for each. Resolve and resubmit any ticket the bug-triage agent returns as incomplete.
Provide safe, clearly documented workarounds and state their downsides on the ticket.
Partner with Engineering on fixes: raise customer impact and priority changes through weekly triage or a comment on the bug, validate patches before release, and confirm resolution with the customer.
Take ownership when Tier 1 declares a suspected P0, P1, or PHI exposure: open the Jira ticket, alert the owning R&D team in Microsoft Teams with symptoms, scope, impact, and any known workaround, and participate in the CritSit until resolved.
Own the customer from open to close: provide updates at the agreed cadence, write every message that goes to the customer, and close only after the customer confirms the fix or a documented workaround.
Write the root cause analysis for escalated defects, and deliver the formal RCA when a contract requires one.
Protect client data in every ticket and attachment: de-identify records, redact screenshots, recordings, HAR files, and logs before filing, link to Datadog traces rather than exporting them, and follow the approved production access process, logging each access on the ticket.
Put engineering's plain-language root causes into the knowledge base so the next ticket is solved at Tier 1, build runbooks and diagnostic tooling for Tier 1 and Tier 2, and coach Tier 2 on the Tier 2 versus Tier 3 criteria and the Definition of Ready.
Identify recurring issue patterns and systemic weaknesses and recommend hardening, design changes, or backlog items to the owning team's triage.
Participate in a rotating on-call schedule for P0 and P1 escalations outside business hours.
Performs other duties as assigned.
Ability to travel nationwide, up to 10% annually.

Requirements

Required Skills & Qualifications

Bachelor’s degree in Computer Science, Information Technology, Information Systems, or Software/Computer Engineering.
5+ years in technical support, support engineering, or a similar customer-facing technical role, with at least 2 years at an escalation tier for a SaaS product.
Strong T-SQL against Microsoft SQL Server: you can write optimized, non-destructive multi-table queries to investigate data issues without help and use SQL Profiler or similar tools to trace problematic queries.
Hands-on experience with Datadog or a comparable APM platform: log search, traces, dashboards, and RUM sessions, used to correlate errors with deploys or configuration changes and pinpoint when a regression started.
Proficiency with browser developer tools: capturing HAR files and console logs, and diagnosing JavaScript, CSP, CORS, and network (4xx, 5xx, timeout) failures.
Hands-on experience reproducing and debugging REST APIs with Postman, Swagger, or cURL, including authentication flows (OAuth, SAML/SSO) and inspecting headers, payloads, and status codes.
Working understanding of SaaS architecture: web front ends, backend services, relational databases, message queues, and third-party integrations.
Experience with Atlassian tools like Jira and Confluence.
Understanding of PHI and PII handling obligations, including de-identification and redaction of diagnostic evidence.
Clear written communication: you can explain a complex technical failure to a customer in plain language and to an engineer in precise technical terms, and document reproduction steps so an engineer can act without a clarifying question.
Calm under pressure and methodical during incidents, with a record of owning problems until they are fully closed.

Preferred Skills & Qualifications

Experience supporting software in the human services space (HMIS, Medicaid, HCBS, I/DD) or another regulated industry, and familiarity with HIPAA or SOC 2.
Working knowledge of a scripting language (PowerShell, Python, or similar) for diagnostics and data validation.
Ability to read C# and .NET application code well enough to trace a bug to a likely source.
Experience with Microsoft Azure and cloud-hosted multi-tenant applications.
Familiarity with the data integration landscape: ETL tools, iPaaS platforms, or SFTP/flat-file exchange.
Experience building internal support tooling or contributing to a product codebase.
ITIL Foundation or equivalent incident and problem management training.

We are unable to sponsor employment visas or support STEM OPT work authorization for this role.

Salary Description

$90,000-$125,000

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More about this job

Skills

Technical support
Root cause analysis
Jira
Microsoft Teams
Datadog
Computer science
Computer technology
Computer engineering
SQL
Microsoft SQL Server
JavaScript
Debugging
API development
Postman
SAML
Atlassian Confluence
Communication skills
Microsoft PowerShell
Python
C#
.NET
Microsoft Azure
Data engineering
ITIL

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