horizon3ai - Senior Engineering Manager, Clients Team
Requirements
• PLATFORM LEADERSHIP & ARCHITECTURE • Demonstrated expertise leading teams that design, build, and operate containerized software (Docker, virtual machine images) deployed into on-premise or customer-managed environments. • Experience implementing robust software supply chain practices, ensuring secure and reliable updates to distributed edge agents or runners. • Able to partner with and influence peer engineering and security research teams to ensure the runner seamlessly executes autonomous pentests. • TEAM BUILDING & ENGINEERING CULTURE • Experience building or significantly growing an engineering team—including hiring, onboarding, and establishing engineering norms tailored for shipped software. • Proven ability to define and instill engineering culture: rigorous code review standards, robust testing for varied customer environments, and a strong culture of ownership. • Drives high-impact architecture decisions rigorously—requires design documents, runs structured reviews, builds consensus, and ensures decisions account for customer environment variables. • TECHNICAL EXPERTISE: • Proficient in Go, Python, or C++. • Strong understanding of Linux OS-level operations, container runtimes, and networking in corporate environments. • Competent in troubleshooting and diagnosing issues in opaque, customer-controlled environments. • Familiarity with CI/CD pipelines specifically designed for building and signing container images. • Exposure to cybersecurity, pentesting tools, or vulnerability remediation. • Experience with cross-platform agents (Windows/Linux) and endpoint telemetry.
Responsibilities
• You will lead the Client team, which is responsible for the software shipped into customer environments to enable our offensive and defensive operations. • Manage CI/CD Workflows and Runner Updates: Lead the end-to-end workflows to create, update, and reliably deploy the NodeZero runner, a container image shipped to customers for running internal pentests. • Manage CI/CD Workflows and Runner Updates: • Ship Software to Customer Environments: Spearhead the development of new shipped software aimed at helping customers proactively tune their defenses and seamlessly remediate vulnerabilities. • Ship Software to Customer Environments: • Team Building: Build, mentor, and grow a team of strong engineers who have deep experience shipping, operating, and maintaining software in diverse customer environments. • Team Building: • Act as a Product Owner: Collaborate with product managers, security researchers, and customer success teams to manage the roadmap of client-side initiatives. • Act as a Product Owner: • Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice. • Application Note • Application Note • In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Benefits
• 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 & Remote Work: We embrace a mix of remote and hybrid work models depending on role and location, including our Chicago office, where some roles require regular in-office presence. • Competitive Compensation: We offer competitive salary, equity and benefits. Our benefits include health, vision & dental insurance for you and your family, a flexible vacation policy, and generous parental leave. • 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: $260,000 - $280,000 annually. 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. • You Belong Here
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