Live job listings
Horizon3 jobs
Horizon3 has 49 open roles, posted in the last 14 days. Top roles: Software engineering (23), Sales (18), Marketing (3). Hiring in Remote, New York, Chicago and Washington, DC. Updated November 12, 2026.
- 49 open roles
- 3 cities
- 22 posted this week
Open roles at Horizon3
- Senior Channel Field Marketing, South CentralHorizon3
- Senior WAF Engineer, Autonomous DefenseHorizon3
- Mid-Enterprise Account Executive, Sao PaoloHorizon3
- Mid-Enterprise Account Executive, Mexico CityHorizon3
- Director, Product Marketing, Precision DefenseHorizon3
- Senior Account Executive, MSSP, SouthwestHorizon3
- Senior Research Staff, Adversarial IntelligenceHorizon3
- Mid-Enterprise Account Executive, Mountain WestHorizon3
- Strategic Partner Executive, SHIHorizon3
- Director of Engineering, Threat ResearchHorizon3
- Senior Attack Engineer, GCPHorizon3
- Senior Attack Engineer, KubernetesHorizon3
- Senior Attack Engineer, OCIHorizon3
- Staff Backend Engineer, InternalHorizon3
- Senior Sales Engineer (SLED)Horizon3
- Research Staff, Adversarial IntelligenceHorizon3
- Engineering Manager, Internal AttackHorizon3
- Senior Account Executive, SLED - New YorkHorizon3
- Senior Account Executive, SLED - TexasHorizon3
- Senior Account Executive, SLED - CaliforniaHorizon3
- Senior Account Executive, SLED - IllinoisHorizon3
- Senior Account Executive, SLED - FloridaHorizon3
- Senior Software Engineer, Pentest ExperienceHorizon3
- Account Executive, MSP Horizon3
- Senior Account Executive, SLED - DC/DMVHorizon3
- Staff Software Engineer, Pentest ExperienceHorizon3
- Principal Backend Engineer, Enterpise PlatformHorizon3
- Senior Full-Stack Engineer, Autonomous DefenseHorizon3
- Senior Backend Engineer, Admin ExperienceHorizon3
- Director, Federal Sales, Civilian Horizon3
- Senior Software Engineer, Partner IntegrationsHorizon3
- WebApp Offensive Security Software EngineerHorizon3
- Staff Software Engineer, FirewallHorizon3
- Senior IT Engineer, AutomationHorizon3
- Senior Backend Engineer, LicensingHorizon3
- Staff Backend Engineer, LicensingHorizon3
- Staff Backend Engineer, MSSP Horizon3
- Federal IT Enterprise Services AdministratorHorizon3
- Senior Backend Engineer, Onboarding and ProvisioningHorizon3
- Principal Attack Engineer, AI/LLMHorizon3
- Engineering Manager, Admin ExperienceHorizon3
- Partner Marketing SpecialistHorizon3
- Staff Backend Engineer, Admin ExperienceHorizon3
- Enterprise Account Executive, TennesseeHorizon3
- Enterprise Account Executive, GeorgiaHorizon3
- Enterprise Account Executive, Eastern PennsylvaniaHorizon3
- Enterprise Account Executive, OhioHorizon3
- Enterprise Account Executive, MichiganHorizon3
- Engineering Manager, Firewall DefenseHorizon3
Roles by field
Software engineering 23 All software engineering jobs
- Senior WAF Engineer, Autonomous Defense
- Senior Attack Engineer, GCP
- Senior Attack Engineer, Kubernetes
- Senior Attack Engineer, OCI
- Staff Backend Engineer, Internal
- Engineering Manager, Internal Attack
- Senior Software Engineer, Pentest Experience
- Staff Software Engineer, Pentest Experience
- Principal Backend Engineer, Enterpise Platform
- Senior Full-Stack Engineer, Autonomous Defense
- Senior Backend Engineer, Admin Experience
- Senior Software Engineer, Partner Integrations
- WebApp Offensive Security Software Engineer
- Staff Software Engineer, Firewall
- Senior IT Engineer, Automation
- Senior Backend Engineer, Licensing
- Staff Backend Engineer, Licensing
- Staff Backend Engineer, MSSP
- Senior Backend Engineer, Onboarding and Provisioning
- Principal Attack Engineer, AI/LLM
- Engineering Manager, Admin Experience
- Staff Backend Engineer, Admin Experience
- Engineering Manager, Firewall Defense
Sales 18 All sales jobs
- Mid-Enterprise Account Executive, Sao Paolo
- Mid-Enterprise Account Executive, Mexico City
- Senior Account Executive, MSSP, Southwest
- Mid-Enterprise Account Executive, Mountain West
- Senior Sales Engineer (SLED)
- Senior Account Executive, SLED - New York
- Senior Account Executive, SLED - Texas
- Senior Account Executive, SLED - California
- Senior Account Executive, SLED - Illinois
- Senior Account Executive, SLED - Florida
- Account Executive, MSP
- Senior Account Executive, SLED - DC/DMV
- Director, Federal Sales, Civilian
- Enterprise Account Executive, Tennessee
- Enterprise Account Executive, Georgia
- Enterprise Account Executive, Eastern Pennsylvania
- Enterprise Account Executive, Ohio
- Enterprise Account Executive, Michigan
Marketing 3 All marketing jobs
Other roles 5
Write to the person hiring at Horizon3
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Try Warmada freeFrequently asked questions
Is Horizon3 hiring right now?
Yes. Warmada lists 49 open roles at Horizon3, posted in the last 14 days and still open as of November 12, 2026; 22 of them were posted in the last 7 days. The list is rebuilt from Horizon3's career page every day, and a role drops off when the employer takes it down.
What roles is Horizon3 hiring for?
By job title, software engineering (23), sales (18), marketing (3). Every one of the 49 listed roles is on this page.
Where is Horizon3 hiring?
Horizon3 has postings in Remote (45), New York (2), Chicago (1), Washington, DC (1).
How do I reach the hiring manager for one of these jobs?
Open a posting and choose Find the hiring manager. Warmada suggests the person most likely hiring for that role, looks up a work email, and drafts a short note you edit and send from your own Gmail. A suggestion is not confirmation, so check it before you write. Always free for job seekers. There is no paid plan and no billing step.
How this list is made
Warmada reads public company job boards such as Greenhouse, Ashby, Lever and Workday every day. This page lists postings from the last 14 days that are still open, grouped by keywords in the job title, so a few roles may sit on the edge of the category. Pay appears only where the posting publishes it. Apply on the employer’s own site: Warmada is not the employer and does not handle applications.