Horizon3AI
Staff Technical Support Engineer (Web App)
$117K–$145K
US, Remote · Remote · Staff · Full-time · Posted Aug 6, 2026
- Experience
- 8+ years of hands-on technical experience.
About the job
Investigates complex customer issues across Horizon3's web application and infrastructure, builds support automation, and works with engineering and product to resolve systemic problems.
What you'll do
- Troubleshoot customer issues end to end across Linux, Kubernetes, cloud infrastructure, APIs, databases, and application logs; document reproducible bugs and verify fixes.
- Build Python and Bash automation, internal tools, dashboards, and runbooks to improve support operations.
- Identify recurring product, documentation, and reliability problems; collaborate with engineering and product on root-cause fixes, and mentor other engineers.
What they ask for
- 8+ years of hands-on technical experience.
- Strong Linux fundamentals; container and Kubernetes troubleshooting; cloud platform experience with AWS, Azure, or GCP and Infrastructure as Code.
- GraphQL and web application fluency, database fundamentals, and scripting ability in Python and Bash.
- Observability tool experience and strong written and verbal communication skills.
Nice to have
- Cybersecurity, pentesting, AppSec, or web application security experience.
- Active Directory, graph databases, full-stack development, relevant certifications, or regulated-environment experience.
Pay
$117,000 - $145,000 annually (base salary)
Tools
Linux, Kubernetes, AWS, Azure, GCP, Terraform, GraphQL, Python
Model-written summary · the original posting is authoritative