Senior Engineering Manager, Data Processing Platform

🕒 July 20

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Horizon3.ai

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2019

🔒 Cybersecurity

🤖 Artificial Intelligence

☁️ SaaS

Cybersecurity • Artificial Intelligence • SaaS

Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.

📋 Description

• Lead and grow a team of backend and platform engineers migrating post-op processing from a batch system to a real-time, event-driven architecture. • Partner with Product, Attack Engineering, and adjacent Platform teams to sequence the rework so customer value ships continuously rather than as one big-bang cutover. • Work with senior engineers on the team to shape the technical direction: event streaming, stream processing, storage, schema evolution, and replayable processing. • Invest in operational excellence — SLOs, observability, on-call, and incident response — as this system becomes central to every pentest Horizon3 runs. • Help translate existing batch-era logic (finding enrichment, attack path analysis, reporting) into streaming-friendly designs without regressing fidelity. • Recruit, mentor, and retain engineers who care about both distributed systems craft and the security domain. • Establish healthy team practices: design reviews, technical writing, clear API contracts with neighboring teams, and durable decision records.

🎯 Requirements

• Experience managing backend, data, or platform engineering teams, with a track record of shipping through the team. • Solid fundamentals in backend and distributed systems: data modeling, API design, queues/streams, and the tradeoffs between batch and streaming. • Comfort with modern cloud infrastructure (AWS preferred), containers, and observability tooling (Datadog or similar). • Ability to lead through technical ambiguity — you can facilitate a design discussion, help the team converge, and know when to dig in yourself. • Clear written communication: you can put together a roadmap, a design doc, or a postmortem the rest of the company can read. • A sense of ownership for how the team operates day-to-day, not just what it ships. • Nice to have: • - Exposure to event-driven architectures or streaming platforms (Kafka, Pulsar, Kinesis, Flink, or similar). • - Background in cybersecurity, pentesting, or vulnerability management. • - Familiarity with Python and/or Go.

🏖️ 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.