Senior Cybersecurity Tech Support Engineer (Remote)

Mexicoremoto; United States; Remote; USD 117,000 - 145,000; Full time

Benefits offered by this job

Inclusive Team

Growth Opportunities

Innovative Culture

Hybrid & Remote Work

Competitive Compensation

Job summary

Horizon3, a fully remote cybersecurity company, is seeking a senior engineer to drive complex investigations across Kubernetes, cloud IAM, and web apps. You will translate customer-reported issues into actionable bugs, build automation, and push for systemic improvements with data-backed decisions.

You will mentor teammates, deepen expertise in OWASP, GraphQL, and observability, and collaborate across engineering, product, and customer success in a remote-first environment.

Qualifications

• 8+ years of hands-on technical experience.
• Strong Linux fundamentals.
• Container and Kubernetes experience.
• Cloud platform experience (AWS, Azure, or GCP).
• GraphQL and web application fluency.
• Database fundamentals (SQL/NoSQL).
• Scripting in Python and Bash.
• Observability tool experience (Datadog).
• Strong communication skills.

Responsibilities

• Investigate complex failures across the entire stack from Kubernetes to cloud IAM permissions and logs in Datadog.
• Be the technical bridge between customers and engineering, translating symptoms into bugs with steps, logs, and root-cause hypotheses.
• Build tooling and automation; write Python scripts, dashboards, and runbooks to improve efficiency.
• Drive systemic improvements by identifying patterns and root causes across tickets.
• Go deep on web application security and explain findings to diverse customers.
• Mentor junior and senior engineers to raise the team's technical bar.

Skills

8+ years hands-on experience

Linux fundamentals

Kubernetes experience

Cloud platform experience

GraphQL fluency

Database fundamentals

Python & Bash scripting

Observability (Datadog)

Strong communication

Tools

Docker

Datadog

Terraform

Ansible

CloudFormation

Kubernetes

Job description

Horizon3, a fully remote cybersecurity company, is seeking a senior engineer to drive complex investigations across Kubernetes, cloud IAM, and web apps. You will translate customer-reported issues into actionable bugs, build automation, and push for systemic improvements with data-backed decisions.

You will mentor teammates, deepen expertise in OWASP, GraphQL, and observability, and collaborate across engineering, product, and customer success in a remote-first environment.