Senior Engineering Manager, Horizon3
MSSP
$260-280k
+Equity
More information about location
Autonomous security solutions
Be an early applicant
Autonomous security solutions
201-500 employees
Be an early applicant
$260-280k
+Equity
More information about location
201-500 employees
Company mission
To help find and fix attack vectors before attackers can exploit them.
Role
Who you are
- 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 — particularly 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 meaningfully in technical discussions and code reviews with engineers
- Nice to Haves: background in cybersecurity or security platforms; 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 effectively with Product, Partnerships, Customer Success, Finance, and Engineering leadership
- Demonstrated ability to balance strategic roadmap delivery against a competing stream of partner support and operational needs
- Proven ability to build, scale, and retain high-performing engineering teams in remote or distributed environments
What the job involves
- We are looking for an engineering leader to own and scale the MSP/MSSP team at Horizon3
- This leader will drive the platform capabilities that make NodeZero scalable and operationally excellent for Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs) — enabling partners to deliver NodeZero as a managed service to their customers at scale
- 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
- 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
- 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
- As a Manager, you will be responsible for:
- Recruiting and onboarding talented individuals to support our organizational goals
- Mentoring, coaching, equipping, and developing your team
- Recognizing and retaining high performers
- Leading horizontally with peer Management & Senior Leaders
Our take
In an era marked by escalating cyber threats and data breaches, safeguarding digital assets has become a high priority across all industries. Amid this landscape, Horizon3.ai stands out as an autonomous security solution by addressing the critical need for robust cybersecurity.
At the heart of Horizon3.ai's mission is NodeZero™, a platform designed to elevate proactive security measures. Using this, customers can verify their security posture and identify potential vulnerabilities through self-service. This proactive approach to cybersecurity effectively thwarts potential exploits and ensures the integrity of their digital infrastructure.
With 2025 funding in hand, the company is poised to further its ambition to develop into an industry-leading cybersecurity company. The infusion of funds will be channelled towards expanding its partner network, refining its offerings and entering the US government market. Horizon3 aims to establish itself as a pivotal player in the evolving autonomous security landscape, a highly lucrative market valued at $80 billion.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
-8% employee growth in 12 months
Company
Funding (last 2 of 6 rounds)
Jun 2025
$100m
SERIES D
Aug 2023
$40m
SERIES C
Total funding: $187m
Company benefits
- Growth Opportunities: Be part of a dynamic and growing team with numerous career advancement opportunities
- Innovation-Driven Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking
- Flexible Work Environment: Enjoy the convenience and work-life balance that comes with remote work
- Inclusive and Diverse Team: We value diversity and promote an inclusive culture where everyone can thrive
Company HQ
SoMa, San Francisco, CA
Leadership
Snehal Antani
(Co-Founder & CEO)Graduated from the Rensselaer Polytechnic Institute with an MS in Computer Science. Previously worked at IBM as a Lead Architect, at GE Capital as the CIO of Distribution Finance and Splunk as the SVP & GM of Business Analytics & IoT.
Anthony Pillitiere
(Co-Founder)Graduated from the University of Maryland with a Bachelor's Degree in Computer Systems Networking and Telecommunications. Previously worked at the United States Air Force in multiple roles, including Deputy Chief Technology Officer.
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