Remote opportunity at
Horizon3Staff Technical Support Engineer (Web App)
Horizon3 is a growing cybersecurity enterprise specializing in autonomous penetration testing solutions that help organizations discover and address exploitable attack vectors. The company builds automated assessment…
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About This Role
Horizon3 is a growing cybersecurity enterprise specializing in autonomous penetration testing solutions that help organizations discover and address exploitable attack vectors. The company builds automated assessment platforms utilized by security operations, IT professionals, and managed service providers worldwide. As a Staff Technical Support Engineer focusing on web applications, the chosen professional will investigate complex system failures spanning container environments, cloud IAM permissions, and application logs. This position bridges the gap…
Job Description
Horizon3 is a growing cybersecurity enterprise specializing in autonomous penetration testing solutions that help organizations discover and address exploitable attack vectors. The company builds automated assessment platforms utilized by security operations, IT professionals, and managed service providers worldwide.
As a Staff Technical Support Engineer focusing on web applications, the chosen professional will investigate complex system failures spanning container environments, cloud IAM permissions, and application logs. This position bridges the gap between end users and the engineering team by analyzing technical symptoms, replicating bugs, and verifying patches in real-world environments. The role also requires building internal automation tools, driving systemic reliability enhancements, and guiding web application security assessments.
This opportunity is well-suited for experienced engineers with deep technical backgrounds in Linux, containerization, and cloud infrastructure who enjoy deep troubleshooting and mentoring colleagues. The company offers a competitive salary range along with stock options and comprehensive health coverage.
Responsibilities
- Investigate complex, multi-layered technical failures end-to-end across cloud infrastructure, application logs, and container networking.
- Act as the primary technical bridge between customers and engineering to translate reported symptoms into clear bug reports and reproduction steps.
- Build internal tooling, scripts, automation utilities, and operational runbooks using Python and Bash.
- Drive systemic product improvements by identifying recurring ticket patterns and collaborating with product and engineering teams.
- Evaluate web application security vulnerabilities, interpret common exploit classes, and explain security findings to diverse audiences.
- Mentor engineering team members to develop troubleshooting techniques and establish investigation patterns.
Requirements
- Minimum of eight years of hands-on technical experience in roles such as site reliability engineering, backend development, or advanced technical support.
- Strong command over Linux fundamentals, command-line operations, and system troubleshooting.
- Practical experience deploying and troubleshooting containerized workloads and Kubernetes environments.
- Familiarity with cloud platforms including AWS, Azure, or GCP, alongside infrastructure-as-code tools like Terraform or Ansible.
- Working knowledge of GraphQL, web application architectures, API tracing, and browser developer tools.
- Database fluency involving SQL, relational concepts, and NoSQL systems.
- Proficiency in Python and Bash for writing functional automation scripts.
- Experience utilizing observability platforms, with a preference for Datadog.
- Strong communication skills tailored for interacting with customers, engineers, and product teams.
Qualifications
- Background in cybersecurity, penetration testing, or application security.
- Familiarity with web application security concepts including XSS, SQLi, SSRF, IDOR, authentication bypass, WAFs, and CDNs.
- Understanding of Active Directory architecture, group policies, trusts, and credential attack paths.
- Full-stack development experience utilizing Python, JavaScript, TypeScript, or Go.
- Deep familiarity with graph databases and Cypher query writing.
- Certifications such as AWS SA Pro, CKA, RHCE, or OSCP.
- Prior exposure to regulated operational environments including SOC 2, FedRAMP, or GDPR.
Core Skills
Benefits
- Competitive base salary
- Stock options equity package
- Health, vision, and dental insurance coverage for employees and their families
- Flexible vacation policy
- Generous parental leave
Frequently Asked Questions
Answers are based only on the employer’s listing; where it doesn’t say, neither do we.
What is the salary range for this position?
The annual base salary ranges from $117,000 to $145,000, determined by the candidate's location, qualifications, and experience.
Is this a remote role?
Yes, Horizon3 is a fully remote company, though the position may require up to 5% travel.
What additional compensation is provided beyond base pay?
All full-time roles are eligible for an equity package consisting of stock options.
What benefits are included?
Benefits include medical, dental, and vision insurance for employees and their families, a flexible vacation policy, and generous parental leave.
Sample Interview Questions
AI-generated questions tailored to this specific role — a preview of the full practice set.