Senior Engineering Manager - MSP/MSSP Platform

Horizon3; United States; Remote; USD 260,000 - 280,000; Full time

Benefits offered by this job

Health, vision & dental insurance

Equity package

Flexible vacation policy

Generous parental leave

Job summary

Horizon3 is seeking a senior engineering leader to own and scale the MSP/MSSP engineering team. You will drive platform capabilities for multi-tenant, partner-facing systems, enabling MSPs and MSSPs to deliver NodeZero as a managed service at scale.

You will hire and mentor engineers, shape architecture for tenant isolation and licensing, and collaborate across Product, Customer Success, Partnerships, and Sales to deliver a robust platform. Remote-friendly with occasional travel.

Qualifications

• Demonstrated experience leading engineering teams building and operating multi-tenant SaaS platforms at scale.
• Strong technical background in multi-tenancy, account hierarchies, tenant isolation, delegated administration, and parent/sub-client models.
• Experience with partner or channel software models — MSP, MSSP, OEM, white-label, reseller, or co-branded platforms.
• Proven track record of taking complex platform capabilities from design through production and at-scale operation.
• Strong working knowledge of at least one major cloud provider (AWS, GCP, or Azure). Experience with identity and access management, RBAC, authorization models, and enterprise account structures. AWS preferred.

Responsibilities

• Lead the MSP/MSSP Engineering Team and scale multi-tenant capabilities for partner platforms.
• Drive platform strategy for MSP/MSSP use cases including tenant allocation and client management dashboards.
• Collaborate with Product, Customer Success, Partnerships, and Sales to align roadmap with partner needs.
• Balance partner support with roadmap delivery and operational needs.
• Recruit and manage software engineers focused on multi-tenant systems.

Skills

Multi-tenant SaaS

Platform leadership

Cloud proficiency

RBAC/IAM

Go or Python

Tools

AWS

GCP

Azure

Job description

Horizon3 is seeking a senior engineering leader to own and scale the MSP/MSSP engineering team. You will drive platform capabilities for multi-tenant, partner-facing systems, enabling MSPs and MSSPs to deliver NodeZero as a managed service at scale.

You will hire and mentor engineers, shape architecture for tenant isolation and licensing, and collaborate across Product, Customer Success, Partnerships, and Sales to deliver a robust platform. Remote-friendly with occasional travel.