Senior Application Support Engineer / Tier 3

VARTEQ Inc.; United States; Remote; USD 110,000 - 140,000; Full time

Benefits offered by this job

Fully remote

Flexible hours

Paid vacation

Sick leave

Professional development

Collaboration with international teams

Job summary

VARTEQ Inc. seeks a Senior Application Support Engineer / Tier 3 to handle complex production issues, lead Tier 3 support operations, and mentor technical engineers. This fully remote role offers flexible hours and collaboration with international teams.

You will investigate incidents across cloud, web, and enterprise applications and work with developers to prevent recurring problems. Strong .NET (C#), Next.js, React, Azure, and Salesforce experience are preferred.

Qualifications

• 5+ years of experience in Application Production Support with leadership or mentoring.
• Strong troubleshooting with .NET (C#), Next.js, and React.
• Hands-on Microsoft Azure experience.
• Experience with Salesforce integrations, data flows, Salesforce Commerce Cloud, Salesforce Revenue Cloud Advanced, and Apex.
• Strong knowledge of REST APIs, system integrations, and advanced SQL, including query optimization.
• Experience with monitoring and logging tools such as Datadog, Splunk, or Azure Application Insights.
• Strong debugging, root cause analysis, and incident management skills.
• Ability to collaborate with engineering teams and communicate technical issues clearly.

Responsibilities

• Lead Tier 3 support operations and maintain technical quality standards.
• Investigate and resolve complex production incidents across cloud, web, and enterprise applications.
• Mentor Tier 3 engineers and assist with advanced troubleshooting.
• Review tickets and manage escalations to engineering and product teams.
• Identify root causes and work with developers to prevent recurring issues.
• Improve troubleshooting processes and maintain technical documentation and runbooks to reduce MTTR.

Skills

Application Production Support

Technical leadership

Mentoring

Tier 3 support

Troubleshooting

REST APIs

SQL

Microsoft Azure

Datadog

Splunk

Azure Application Insights

.NET (C#)

Next.js

React

Salesforce integrations

Tools

Microsoft Azure

Salesforce integrations

Datadog

Splunk

Azure Application Insights

Job description

Remote Application support 5+ years

Handle complex production issues, lead Tier 3 support operations and mentor technical engineers.

About the role

We are looking for a Senior Application Support Engineer / Tier 3 to handle complex production issues, lead Tier 3 support operations, and mentor technical engineers.

What you will work on

• Lead Tier 3 support operations and maintain technical quality standards.
• Investigate and resolve complex production incidents across cloud, web, and enterprise applications.
• Mentor Tier 3 engineers and assist with advanced troubleshooting.
• Review tickets and manage escalations to engineering and product teams.
• Identify root causes and work with developers to prevent recurring issues.
• Improve troubleshooting processes and maintain technical documentation and runbooks to reduce MTTR.

What you bring

• 5+ years of experience in Application Production Support, including technical leadership or mentoring.
• Strong troubleshooting experience with .NET (C#), Next.js, and React applications.
• Hands‑on experience with Microsoft Azure.
• Experience with Salesforce integrations, data flows, Salesforce Commerce Cloud, Salesforce Revenue Cloud Advanced, and Apex.
• Strong knowledge of REST APIs, system integrations, and advanced SQL, including query optimization.
• Experience with monitoring and logging tools such as Datadog, Splunk, or Azure Application Insights.
• Strong debugging, root cause analysis, and incident management skills.
• Ability to collaborate with engineering teams and communicate technical issues clearly.

What we offer

• Fully remote work and flexible working hours.
• Paid vacation and sick leave.
• Professional development and learning opportunities.
• Collaboration with international teams and clients.