Horizon3.ai

Customer Success Manager

• Manage a scaled portfolio of customers using customer metrics, health signals, lifecycle stages, and repeatable engagement plays
• Build trusted relationships with customer champions and help communicate security outcomes to technical and executive stakeholders
• Use CRM and customer success systems to maintain visible customer context, actions, risks, and next steps
• Drive onboarding and adoption through targeted email programs, webinars, office hours, product education, customer resources, and focused outreach
• Help customers connect NodeZero capabilities to their security priorities
• Help customers understand NodeZero results and translate technical findings into business priorities, remediation actions, and next steps
• Monitor platform activity, assessment completion, finding follow-through, engagement, open risks, support needs, and renewal timing
• Identify stalled, disengaged, under-adopted, or at-risk customers
• Execute intervention plans and maintain ownership through resolution
• Support renewal and expansion motions by documenting outcomes, usage trends, adoption progress, risks, and opportunities
• Create and improve scalable onboarding, adoption, renewal-readiness, and re-engagement programs
• Contribute to digital engagement programs, customer education, webinars, office hours, and self-service resources
• Use data and customer feedback to refine engagement strategies and improve customer outcomes
• Capture customer feedback, patterns, objections, and product gaps for Product, Engineering, Marketing, Support, and Sales
• Coordinate internally on technical help, escalations, and decisions outside standard playbooks
• Maintain communication, ownership, and follow-through across internal teams

Senior Customer Success Associate

Solutions Engineer

• Lead customer and internal kickoff meetings and confirm scope, environments, owners, identity/access paths, compliance constraints, and go-live criteria
• Project-manage the 30-day onboarding plan and track blockers such as credentials, firewall changes, IdP claims, and change windows
• Provide best-practices expertise and assist with deployment and optimization of customer environments
• Ensure successful production deployment against customers’ initial testing goals
• Diagnose and resolve implementation failures across cloud infrastructure, networking, and security
• Perform root-cause analysis on first-time integration and deployment issues
• Configure, tune, harden, and troubleshoot Linux production environments
• Deploy and manage Docker workloads in Kubernetes or similar orchestrated environments
• Provision and troubleshoot pentest configurations in AWS, Azure, or GCP
• Troubleshoot TCP/IP, firewalls, VPNs, load balancers, and other network issues
• Configure and validate RBAC, SSO, OAuth, SAML, Active Directory, and LDAP identity paths
• Scope and configure initial NodeZero tests
• Collaborate with Customer Success, Engineering, Product, and Sales to resolve broader implementation issues
• Advocate for customer-specific changes and product improvements
• Mentor junior onboarding and support engineers
• Create reusable scripts, templates, playbooks, dashboards, modules, and runbooks
• Support standard support case management and resolution when bandwidth allows
• Stay current on cloud, container, and security practices

Senior Customer Onboarding Engineer

Systems Engineer

• Administer and secure Okta or an equivalent identity/SSO provider, including authentication policies, access provisioning, and downstream application integrations
• Architect, administer, and secure the company email and collaboration platform
• Configure mail flow rules, spam/phishing filtering, DKIM, DMARC, SPF, and data loss prevention policies
• Own operations, monitoring, and incident response for network, email, and identity security controls
• Manage firewall policy and threat detection
• Triage incidents and remediate or escalate them according to incident response procedures
• Collaborate with Security and Help Desk teams to resolve escalated connectivity issues
• Support employee onboarding and offboarding
• Evaluate and recommend improvements to identity architecture, email security posture, and related tooling
• Administer and maintain switches, routers, firewalls, and wireless access points
• Support a distributed workforce through capacity planning and performance monitoring
• Design and implement VLAN, routing, and firewall rule changes with minimal business disruption
• Maintain accurate documentation of network topology, configurations, and email/identity security architecture
• Manage vendor relationships and support contracts for network, firewall, identity, and email security tooling
• Demonstrate commitment to integrity, process improvement, and customer satisfaction

Senior IT Systems Engineer

People Operations

• Partner with Engineering, Product, Design, Security Research, and Data leaders to scale high-performing organizations
• Advise leaders on organizational design, workforce planning, and resourcing strategies
• Coach managers and leaders through hypergrowth, organizational change, talent development, and management practices
• Help leaders build high-performing organizations through clear expectations, accountability, feedback, and performance standards
• Partner with Engineering leadership and Finance on headcount planning, hiring prioritization, and organizational investments
• Drive talent reviews, calibration, succession planning, and promotion discussions
• Use organizational health, engagement, attrition, and workforce data to identify risks and improve team effectiveness
• Support organizational changes while maintaining team alignment, engagement, and execution
• Accelerate new manager and leader effectiveness through coaching, onboarding, and leadership development
• Manage employee relations matters while balancing business objectives, employee experience, and organizational risk
• Partner with People Operations to build scalable people programs, processes, and manager enablement
• Serve as a trusted thought partner providing data, business insight, and practical people solutions

Staff People Partner, EPD

• Serve as a trusted advisor to G&A executives and translate global expansion priorities into organizational structures, leadership capabilities, and talent plans
• Lead organizational design for global corporate functions, defining centralized, regional, and local responsibilities
• Partner with Finance, Legal, IT/Security, and People Ops on capabilities and staffing for market and entity expansion
• Build workforce plans, prioritize critical roles, evaluate talent locations, and sequence hiring
• Help evolve G&A operating models for a larger global footprint
• Coach executives and managers on leading globally distributed teams and maintaining consistent performance expectations
• Guide organizational change, including leadership layers, regional responsibilities, reporting relationships, and ownership transitions
• Lead talent reviews and succession planning
• Drive consistent, business-impact-focused performance management across geographies
• Use workforce, retention, engagement, and performance data to identify constraints and organizational risks
• Partner with People Ops, Legal, and regional experts on employee relations, compensation, and local employment considerations
• Partner with Talent Development and People Ops on onboarding and manager development programs

Senior People Partner, G&A

Backend Engineer

• Design and implement backend services enforcing licensing, entitlements, feature access, usage limits, and packaging rules
• Build and evolve provisioning and onboarding workflows for account setup, entitlement propagation, and auto-provisioning
• Develop infrastructure for user access controls, account settings, parent-child account relationships, RBAC, and authorization
• Build MSP/MSSP capabilities including asset allocation, sub-client management, usage visibility, and reporting workflows
• Implement audit logging and event history systems for administrative, entitlement, usage, and account-level actions
• Develop the notifications platform for usage warnings, consumption alerts, overage notices, product announcements, and other communications
• Operate services in production, contributing to monitoring, runbooks, incident response, and support workflows
• Contribute production code meeting standards for design quality, test coverage, observability, and operational rigor
• Collaborate with Pentest Data Platform and Platform Integration Team to apply entitlement, access, and account-hierarchy rules consistently
• Lead through technical judgment, system design, and reliable execution as a senior individual contributor
• Own significant pieces of platform infrastructure while balancing feature delivery, long-term platform investment, and production health

Senior Backend Engineer – Growth, MSSP

• Evolve the internal GraphQL-federated API into a customer-facing product with permissions, multi-account scoping, versioning, schema evolution, and documentation
• Build and operate a shared Integration Router with reusable authentication, health checks, workflow execution, connector libraries, vendor adapters, secrets management, and Kafka-triggered dispatch services
• Ship and maintain integrations with CrowdStrike, Splunk, ServiceNow, Jira, Palo Alto, SentinelOne, and other SIEM, EDR, and ticketing tools
• Expand the customer-facing MCP server and agentic workflow capabilities across US, EU, and Australia production environments
• Share on-call responsibility for production observability across Datadog, Kafka-triggered services, and multiple environments
• Own production reliability for API and integration services, including monitoring, alerting, deployment, vendor API drift, rate limits, retries, and safe failure handling
• Contribute to the MCP platform and OAuth proxy layer, including tool authentication and agentic workflow support
• Collaborate with frontend engineers, product managers, and security-domain teams to deliver integrated customer experiences
• Mentor junior and mid-level engineers
• Set standards for design quality, code quality, and operational rigor

Senior Backend Engineer, Integrations

Developer Relations

• Define the architecture and roadmap for local development, repository tooling, CI/CD, build systems, and release workflows
• Lead high-impact engineering initiatives that reduce manual coordination and standardize the path from code change to production
• Build reusable GitLab CI/CD templates, runner capabilities, developer workflows, test gates, artifact promotion, release manifests, and rollback paths
• Establish sustainable practices for shared container images, build performance, reproducibility, scanning, signing, provenance, and supply-chain security
• Improve developer workflow and delivery observability using setup-time, pipeline-health, release-performance, and adoption measures
• Partner with Platform, Security, QA, and feature teams to make delivery foundations reliable, secure, and easy to consume
• Establish standards and paved paths for developer workflows, build and release engineering, and approved AI-assisted development
• Design safe agentic-development workflows integrating code review, testing, scanning, permissions, auditability, and Security requirements
• Turn recurring developer friction into reusable tooling, templates, documentation, migration guidance, and runbooks
• Mentor engineers, develop technical owners, and raise the engineering bar across Developer Experience and Horizon3
• Communicate technical decisions and build alignment across Platform, Application Engineering, Data Engineering, Security, QA, Product, and Program Management
• Participate in design reviews, operational reviews, incident response, and continuous improvement
• Establish reliable developer workflows for Horizon3’s NodeZero autonomous penetration-testing cybersecurity platform

Staff Developer Experience Engineer

DevOps Engineer

• Own and evolve the engineering-wide SRE strategy, operating model, and reliability standards
• Align reliability standards with customer impact, business priorities, and risk
• Lead cross-functional alignment across Infrastructure, product, service, security, and business stakeholders
• Improve reliability, observability, incident response, and operational readiness across multiple teams
• Establish organization-wide service ownership, meaningful SLIs and SLOs, and error budgets for critical customer paths and services
• Define and drive adoption of observability standards across pipelines and platform components
• Set standards for dashboards, actionable alerting, runbooks, and escalation paths
• Drive complex cross-functional reliability initiatives end to end
• Raise engineering standards for incident management, incident command, on-call health, post-incident learning, and recovery readiness
• Shape the technical direction, operating model, and growth path of the SRE function
• Participate in a 24/7 on-call rotation
• Help design a sustainable, appropriately staffed, and continuously improved on-call model

Staff Site Reliability Engineer

Platform Engineer

• Lead the design and evolution of AWS, Kubernetes/EKS, and shared platform services
• Define architecture for infrastructure automation, service delivery, regional capabilities, and ephemeral environments
• Build reusable platform capabilities, self-service workflows, and release-safety practices
• Evolve infrastructure-as-code and declarative approaches, including Terraform and Crossplane-related capabilities
• Improve platform reliability, observability, security, performance, and operability
• Participate in on-call and incident response, leading post-incident improvements
• Drive high-impact initiatives across multiple teams while balancing reliability, security, cost, developer experience, and delivery speed
• Establish platform standards, reduce technical debt, and guide design decisions
• Partner with feature teams to turn platform needs into durable solutions
• Mentor engineers and raise the technical bar across Engineering
• Improve documentation, runbooks, interfaces, and self-service paths
• Communicate and build alignment across Platform, Application Engineering, Data Engineering, Product, Program Management, and Security

Staff Platform Engineer

Engineering Manager

• Own and scale the MSP/MSSP engineering team at Horizon3
• Drive NodeZero platform capabilities for Managed Service Providers and Managed Security Service Providers
• Build, mentor, and grow backend and full-stack engineering teams focused on multi-tenant platform capabilities
• Define platform strategy for multi-tenancy, parent and sub-client relationships, tenant allocation, partner administration, client dashboards, co-branding, and white-labeling
• Establish architecture for account hierarchies, delegated administration, tenant isolation, and partner-specific entitlement and licensing flows
• Use design reviews, code reviews, and blameless retrospectives to promote engineering quality
• Partner with Product, Customer Success, Partnerships, and Sales to align roadmaps with partner needs
• Balance partner support and operational needs with platform improvements and new MSP/MSSP capabilities
• Recruit, onboard, manage, mentor, coach, develop, recognize, and retain engineering talent
• Lead horizontally with peer management and senior leadership

Senior Engineering Manager, MSSP

• Lead the team behind NodeZero Tripwires
• Own the delivery strategy for decoy and deception development, detection, alerting, and the customer-facing experience
• Partner with Product to sequence the roadmap and expand Tripwires coverage
• Recruit, mentor, and retain engineers focused on distributed systems and security
• Oversee design of tripwire types that attract attackers and resemble legitimate assets
• Invest in SLOs, observability, on-call, and incident response
• Partner with the Attack team to translate offensive findings into detection coverage
• Establish design reviews, technical writing, clear API contracts, and durable decision records
• Stay close to technical details while supporting a substantial data platform rebuild

Engineering Manager – Tripwires

Sales Development Rep

• Own delivery plans for assigned SDR and Commercial workstreams, including risks, dependencies, and capacity implications
• Run SDR and Commercial Sales onboarding programs, including cohort operations, learner communications, completion tracking, content refreshes, and manager-led reinforcement
• Lead SDR-to-AE Career Pathway, SDR onboarding, Commercial Sales onboarding, manager onboarding, and role-based DQC onboarding workstreams
• Serve as program manager or workstream lead for established cross-functional programs
• Own recurring call-review and coaching operations, including SDR Tuesday Call Review
• Curate call examples, facilitate coaching sessions, identify performance patterns, and report insights to sales leaders
• Support Gong scorecard rollout and reporting
• Partner with frontline managers to reinforce discovery, messaging, objection handling, prospecting, qualification, and pipeline-creation behaviors
• Draft, coordinate reviews, QA, publish, and maintain playbooks, talk tracks, battlecards, onboarding materials, and manager guides
• Lead Nooks battlecard audit, Partner 101 for AEs coordination, and technology-enablement discovery
• Manage contained content updates, tool-module coordination, and specialist follow-up
• Validate incoming requests, gather missing inputs, maintain the backlog, and prepare routing recommendations
• Prepare briefs for approved specialist work covering the business problem, audience, desired seller behavior, priority, deadline, SMEs, approver, source materials, and definition of done
• Route instructional-design work and manage projects through launch
• Maintain feedback collection, post-launch reviews, adoption reporting, and monthly status updates
• Travel up to 20% as required

Field Enablement Manager, SDR & Commercial

Engineer

• Partner with Product to turn EDR effectiveness and tuning ambitions into concrete, buildable requirements
• Translate blue team workflows and pain into prioritized product outcomes
• Push back on features or agent behavior that would not hold up in a real SOC
• Define acceptance criteria for detection, effectiveness, and tuning features
• Validate releases against acceptance criteria before customers see them
• Serve as the domain reference for Engineering and AI research
• Provide design reviews, technique guidance, and vendor behavior guidance
• Own current knowledge of major EDR and endpoint platforms at the console, policy, telemetry, and API levels
• Maintain knowledge of detection logic, prevention policies, exclusions, and tuning across products
• Define vendor-specific policy semantics across differently modeled platforms
• Track platform changes, new detection capabilities, and vendor guidance
• Keep the coverage model current as vendors ship changes
• Define correct tuning recommendations and grade agent output against that standard
• Partner with the Attack team to ground technique coverage and detection expectations in current adversary tradecraft

Senior Detection Engineer, EDR – Defensive Agent

Account Executive

• Establish and nurture relationships with targeted MSSP accounts to drive sales growth in a designated territory
• Identify, recruit, and enable new MSSP partners
• Collaborate with MSSP partners to develop and roll out services built around the Horizon3 NodeZero platform
• Drive broad MSSP customer adoption of NodeZero
• Drive sales growth and new customer acquisition through MSSP partnerships
• Generate new business opportunities to meet revenue and profitability goals
• Develop and execute joint business plans and sales strategies with MSSP partners
• Provide accurate forecasts and maintain detailed sales tracking and planning
• Lead MSSP partner engagements and oversee daily operations
• Address partner inquiries
• Collaborate with engineering and marketing teams to identify and resolve product-related quality, delivery, and design concerns
• Maintain sales activity and build pipelines to meet quarterly sales goals