Top Tech Jobs & Startup Jobs in Los Angeles, CA

Lead the Data Streaming engineering sub-team responsible for reliable, scalable ingestion, normalization, and routing of cybersecurity telemetry. Manage and grow a 6–7 engineer team, establish SLOs and on-call processes, maintain schemas and data contracts, improve pipeline reliability and scalability, and collaborate with Security Research, Database Platform, and Asset Inventory teams. The role requires hands-on expertise with streaming architectures, cloud-native operations, data quality, and pipeline observability.

Design and own NodeZero’s over-the-air update infrastructure across thousands of customer deployments. Responsibilities include delivery protocols, version negotiation, rollout orchestration, health verification, rollback, fleet state management, constrained-environment delivery, reliability, incident response, architecture, production coding, and mentoring engineers. The role requires secure, highly reliable distributed systems that operate across air-gapped and customer-managed Kubernetes environments.

Staff Engineer responsible for database architecture, performance, reliability, migrations, and operational standards across PostgreSQL, graph, and time-series data stores. The role involves writing production code, analyzing query performance, designing failover and migration systems, mentoring engineers, and guiding database practices across teams. Candidates need deep PostgreSQL expertise, experience with graph and analytical databases, cloud or Kubernetes operations, and proficiency in Go or Python.

Drive enterprise sales growth for Horizon3’s cybersecurity platform by acquiring new accounts, managing customer relationships, exceeding quotas, developing channel partnerships, and leading the full sales cycle from qualification through negotiation and closure. Maintain Salesforce pipeline accuracy, conduct product demonstrations, manage post-sale ROI processes, and collaborate with distributed sales, support, and customer success teams. The role may require up to 50% travel within the assigned territory.

Lead a 6–7 person engineering team responsible for building, shipping, and maintaining production-grade integrations with security platforms such as CrowdStrike, SentinelOne, Splunk, and ServiceNow. Own the integration product roadmap, API contracts, reliability, compatibility, certification pipeline, and upstream change management. Partner with customer success, security research, and partnerships teams while hiring and developing engineers. The role requires hands-on technical expertise in Go or Python, enterprise authentication, event-driven architectures, AWS serverless services, and security data normalization.

Drive enterprise sales growth for Horizon3’s cybersecurity platform by acquiring new accounts, exceeding quotas, managing full sales cycles, developing channel partnerships, presenting product demonstrations, maintaining Salesforce pipeline accuracy, and supporting post-sale ROI processes. The role requires strong cybersecurity or SaaS sales experience, established reseller relationships, and up to 50% travel within Colorado and the assigned territory.

Own the architecture and operation of NodeZero’s container image build, signing, scanning, CI/CD, and over-the-air delivery systems. Establish standards for reproducible builds, artifact versioning, release gating, rollout, rollback, and security. Write code, design systems, respond to operational incidents, make cross-team technical decisions, and mentor engineers. The role requires deep container, Kubernetes, release engineering, and secure software supply chain expertise.

Lead the architecture and implementation of a shared partner-integration framework connecting NodeZero with security and ITSM platforms. Build complex production integrations, define reliability and observability standards, advise on API patterns, respond to incidents, create architecture documentation, and mentor engineers. The role requires hands-on software development in Go or Python, expertise in distributed systems and API integrations, and experience with cloud-native environments such as Kubernetes and AWS.

Lead and grow an EDR remediation engineering team, partnering with technical leadership and Product to turn security workflows into product capabilities. Manage hiring, development, roadmap sequencing, dependencies, scope, design reviews, releases, on-call operations, and incident response. Provide technical guidance without being the primary implementer, while maintaining quality, reliability, and safety standards in a multi-tenant SaaS environment.

Deploys and operates secure, scalable AWS cloud platforms across federal environments, including FedRAMP and classified workloads. Builds Kubernetes infrastructure, Terraform modules, Crossplane compositions, CI/CD workflows, automation, telemetry, documentation, and developer tooling. Evaluates technologies, improves deployment processes, manages concurrent initiatives, and supports platform reliability. Requires Go, AWS, Kubernetes, infrastructure-as-code, and federal security knowledge, along with U.S. citizenship and the ability to obtain and maintain a Top Secret clearance.