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Senior Engineering Manager, MSSP

Horizon3 AI· Engineering
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Remote$242k - $285k + equityFull-timePosted 4w ago

About the role

Engineering leadership role focused on owning and scaling the MSP/MSSP engineering team and platform capabilities for Horizon3's NodeZero product, enabling multi-tenant, white-labeled managed services for MSPs/MSSPs.

Responsibilities

  • Lead the MSP/MSSP Engineering Team
  • Build, mentor, and grow a team of backend and full-stack engineers focused on multi-tenant platform capabilities for MSP and MSSP partners.
  • Drive the platform strategy for MSP and MSSP use cases, including multi-tenancy, parent and sub-client relationships, tenant allocation, partner administration, client management dashboards, co-branding, and white-labeling.
  • Establish and evolve the architecture for account hierarchies, delegated administration, tenant isolation, and partner-specific entitlement and licensing flows.
  • Drive Engineering Excellence
  • Use design reviews, code reviews, and blameless retrospectives to drive a culture of quality and engineering excellence. Partner with Product, Customer Success, Partnerships, and Sales to align the team's roadmap with partner needs.
  • People Leadership and Project Management
  • Balance partner support and operational needs while executing on a roadmap of platform improvements and new MSP/MSSP capabilities.
  • Hire and directly manage software engineers focused on multi-tenant and partner platform systems.
  • Recruiting and onboarding talented individuals to support organizational goals; Mentoring, coaching, equipping, and developing your team; Recognizing and retaining high performers; Leading horizontally with peer Management & Senior Leaders

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.
  • Experience driving architecture decisions through structured design reviews, RFCs, or similar frameworks for multi-tenant or partner-facing systems.
  • Able to write clear, durable process documentation that engineering teams can adopt.
  • Comfortable with modern backend languages such as Python or Go; able to engage in technical discussions and code reviews.
  • Nice to Haves: cybersecurity background; experience with third-party risk management or compliance-adjacent capabilities; familiarity with licensing, entitlements, subscription management, or billing integrations.
  • Proven ability to hire, develop, and retain high-performing engineers in remote or distributed environments.
  • Strong communication skills across technical and non-technical audiences; able to partner with Product, Partnerships, Customer Success, Finance, and Engineering leadership.
  • Demonstrated ability to balance strategic roadmap delivery against partner support and operational needs.
  • Proven ability to build, scale, and retain high-performing engineering teams in remote or distributed environments.

Skills

Required:Multi-tenant SaaS architectureCloud providersIdentity and access managementBackend development (Python/Go)Design reviews / RFCs

Benefits

  • Inclusive Team: diverse and inclusive culture
  • Growth Opportunities: career development opportunities
  • Innovative Culture: collaborative and creative environment
  • Hybrid & Remote Work: mix of remote and in-office options, including Chicago office
  • Competitive Compensation: salary, equity, benefits (health, vision, dental), flexible vacation, generous parental leave
Last updated Oct 8, 2026. Interested? Apply on the company site.

About Horizon3 AI

Only Pentesting Platform Proven in Production

Continuously assess, fix, and verify your security posture. Securing enterprises across many attack surfaces.

PentestingSecurity PostureThreat DetectionVulnerabilitiesRisk AssessmentOffensive Security
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