Sustaining Tech Lead - .NET, Incident Response, Mentoring

Insight Global; Atlanta (GA); On-site; USD 120,000 - 150,000; Full time

Job summary

Insight Global seeks a technically skilled engineer to lead Sustaining efforts, owning Tier 2 issues and delivering reliable patches in a production environment. You will review junior engineers' fixes, investigate defects via logs and telemetry, and drive rapid resolutions within SLAs.

You will mentor teammates and collaborate with Support, Quality, and Product teams to reduce escalations. You will participate in on-call rotations for high-severity incidents, develop knowledge-base content, and

Qualifications

• Proficiency in .NET with ability to read and debug production code.
• Strong debugging, log analysis, and observability skills.
• Proven ability to lead, mentor, and direct work of junior engineers and contractors.
• Willingness to participate in rotating on-call schedule.
• Demonstrated ownership, composure under pressure, and proactive improvements.

Responsibilities

• Serve as technical lead for Sustaining, owning intake, triage, prioritization, and resolution of Tier 2 issues.
• Deliver clean, well-tested defects, patches, and maintenance releases following best practices.
• Review fixes from junior engineers, gating quality and assessing regression risk.
• Investigate customer-reported defects, analyze logs and telemetry to isolate root cause.
• Drive rapid issue resolution against SLAs, escalating when needed.
• Lead on-call rotation and post-incident reviews for high-severity incidents.
• Develop and maintain technical docs, root-cause write-ups, and knowledge-base articles.
• Mentor, direct, and review work of junior engineers and contract resources.
• Partner with Customer Support, Quality, and Product Engineering to reproduce issues and feed back to backlog.
• Analyze trends to identify systemic problems and propose engineering or process changes.
• Identify improvements to the application via self-driven codebase exploration and support history.

Skills

Technical leadership

DOTNET

Debugging

Observability

Mentoring

On-call management

Tools

Debugging tools

Observability tooling

Job description

Insight Global seeks a technically skilled engineer to lead Sustaining efforts, owning Tier 2 issues and delivering reliable patches in a production environment. You will review junior engineers' fixes, investigate defects via logs and telemetry, and drive rapid resolutions within SLAs.

You will mentor teammates and collaborate with Support, Quality, and Product teams to reduce escalations. You will participate in on-call rotations for high-severity incidents, develop knowledge-base content, and