Remote Senior Engineering Manager, Cloud Platform

Get to Know Us Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises.

It is used by IT Ops/SecOps teams, consulting pentesters, and MSSPs and MSPs. We are a fusion of former U.S. Special Operations cyber operators, startup engineers Azure and GCP familiarity a plus).

Strong command of Infrastructure as Code, including Terraform; experience with Crossplane and GitOps patterns strongly preferred. Experience managing production Kubernetes environments at scale. Solid understanding of security best practices including zero trust architecture, secrets management, identity and access management, and software supply chain security.

Experience building and operating self-service infrastructure platforms that enable application development teams, while balancing self-service and developer productivity with maintainability and security. Site Reliability and Operations Experience leading or building SRE functions, including incident management processes, on-call programs, SLO/SLA definition, and operational runbooks. Deep hands on experience with observability: application performance management, logs and traces, and golden signals and service-specific metrics.

Engineering Culture and Process Expert in leading infrastructure teams to translate business and product requirements into technical requirements and engineering deliverables. Demonstrated ability to drive a design-before-build engineering culture and capture operational lifecycle and impact on dependent teams into infrastructure architecture decisions. Experience in design practices like architecture decision records or RFCs in the infrastructure or platform engineering context.

Proven track record of driving engineering rigor through coaching, design reviews, and feedback. Track record of growing engineers from strong individual contributors to system-level thinkers. Leadership and People Management Proven ability to hire, develop, and retain high-performing engineers and engineering managers in remote or distributed environments.

Proven skills in managing a backlog of strategic roadmap initiatives and a competing stream of developer support and operational requests against capacity constraints. Strong communication skills across technical and non-technical audiences. Proven ability to to build, scale, and retain high performing engineering teams in remote or distributed environments.

Occasional Business Travel Required This position is remote, but this job may require up to 10% of travel to be successful. Compensation and Values At Horizon3, we believe that our people are our greatest asset, and our compensation philosophy reflects this core value. We are committed to fostering an environment where all employees feel valued, respected, and rewarded for their contributions.

Our compensation structure is designed to be fair, competitive, and transparent, ensuring that every team member is recognized and compensated equitably across roles, levels, and locations. In accordance with various State’s transparency regulations, we provide the following salary range information for this position: Base salary range: $240,000 - $290,000. The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills.

Additional compensation: All full-time roles are eligible for an equity package in the form of stock options and benefits. Perks of Horizon3.ai Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive. Growth Opportunities: Be part of a dynamic and growing team with numerous career development opportunities.

Innovative Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking. Hybrid