Senior Engineering Manager, MSP/MSSP

horizon3ai; United States; Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Stock options

Remote/hybrid work options

Health, vision, and dental coverage

Flexible vacation

Parental leave

Professional development

Job summary

horizon3ai is seeking a seasoned engineering leader to lead and grow a team building platform capabilities for managed service and security providers. You will set technical direction for multi-tenant systems, balancing platform development with partner needs.

You will hire, coach, and guide backend and full-stack engineers, shape a roadmap with product and sales, and ensure strong architecture, security, and operational excellence across customer accounts.

Qualifications

• Experience leading teams building multi-tenant SaaS platforms at scale.
• Strong understanding of tenant isolation and account hierarchies.
• Experience with partner or channel platforms (reseller, OEM, white-label).
• Proven track record from design to production and ongoing operation.
• Knowledge of identity/access management and RBAC; AWS preferred.

Responsibilities

• Build, coach, and hire backend and full-stack engineers working on partner platform capabilities.
• Guide multi-tenant features such as parent and customer account relationships, tenant allocation, partner administration, dashboards, and co-branded or white-label experiences.
• Design and evolve account hierarchies, delegated administration, tenant isolation, and partner licensing and access flows.
• Use design and code reviews, retrospectives, and durable documentation to improve engineering quality and decision-making.
• Coordinate with product, customer success, partnerships, and sales to shape a roadmap around partner needs.
• Balance partner support and operational work with delivery of platform improvements.

Skills

Team leadership

Backend architecture

Cloud platforms

Python/Go

Tools

AWS

Job description

Role overview

Lead and grow an engineering team responsible for the platform capabilities that let managed service and security providers deliver security assessments across many customer accounts. Set the technical direction for partner-focused, multi-tenant systems, balancing platform development with operational and partner needs.

Responsibilities

• Build, coach, and hire backend and full-stack engineers working on partner platform capabilities.
• Guide multi-tenant features such as parent and customer account relationships, tenant allocation, partner administration, dashboards, and co-branded or white-label experiences.
• Design and evolve account hierarchies, delegated administration, tenant isolation, and partner licensing and access flows.


• Use design and code reviews, retrospectives, and durable documentation to improve engineering quality and decision-making.


• Coordinate with product, customer success, partnerships, and sales to shape a roadmap around partner needs.


• Balance partner support and operational work with delivery of platform improvements.

Requirements

• Experience leading teams that build and operate multi-tenant SaaS platforms at scale.


• Strong technical understanding of tenant isolation, account hierarchies, delegated administration, and parent-to-customer models.


• Experience with partner or channel platforms, such as reseller, OEM, co-branded, or white-label products.


• Track record of taking complex platform capabilities from design through production and ongoing operation.


• Working knowledge of a major cloud provider and of identity, access management, authorization, and role-based access control; AWS is preferred.


• Familiarity with Python or Go, structured architecture reviews, and clear engineering documentation.

Nice to have

• Cybersecurity or security-platform experience.

Benefits and work setup

• Full-time roles include stock options and benefits.


• The organization describes a remote and hybrid work mix depending on role and location.


• Health, vision, and dental coverage.


• Flexible vacation.


• Parental leave.


• Opportunities for professional development.