Senior Engineering Manager, User Platform & Enterprise

Horizon3.ai is a fast-growing, remote cybersecurity company focused on enabling organizations to proactively find and fix exploitable attack vectors. They are seeking a Senior Engineering Manager to lead the User Platform & Enterprise team, focusing on enhancing the user experience and developing scalable user-facing platforms.

Responsibilities:

• Lead the User Platform & Enterprise team within the Application Platform team
• Drive excellence in Enterprise user experience and create a cohesive user platform vision
• Push for explainability and scalability in the licensing framework
• Own the base user platform experience, entitlement framework, and feature flagging systems
• Build sustainable user-facing platforms for mid-market and enterprise customers

Requirements:

• Experience leading teams of 6-10 cross functional software engineers
• Proven experience leading highly technical backend or platform engineering teams — ideally within a SaaS, cybersecurity, or cloud-scale environment
• Experience leading initiatives around authentication, authorization, user settings, tenant management, or auditability
• Experienced with multi-persona products, particularly building features for Enterprise clients
• You think in terms of platforms and systems, not just features, and you balance security, usability, and scalability in every decision
• Strong background in backend engineering and/or platform engineering
• Expertise in at least one object-oriented programming language (Python strongly preferred; open to Go, Java, C++, or similar)
• Familiarity with ETL pipelines, data flow orchestration, and database performance optimization (PostgreSQL, Neo4j, or equivalent)
• Understanding of cloud infrastructure and services (AWS, Azure, or GCP), including networking, compute, and storage fundamentals
• Exposure to infrastructure-as-code and deployment concepts (e.g., Terraform, Docker, Kubernetes, CI/CD tooling)
• Experience with observability and monitoring stacks (Prometheus, Grafana, OpenTelemetry, etc.)
• Understanding of security and reliability best practices, especially in a multi-tenant SaaS or cybersecurity environment
• Knowledge of Linux-based systems (Ubuntu, Kali, etc.) and modern development practices for distributed environments
• Experience designing multi-tenant SaaS platforms or MSP-oriented capabilities
• Exposure to audit/compliance frameworks (SOC2, FedRAMP, ISO 27001)
• Background in cybersecurity, identity management, or enterprise SaaS security features
• Experiencing managing tech leads or other managers