Horizon3ai
cybersecurity · Start-up · US
120
Open roles right now
309
Closed in the last 180 days
Hiring in: Engineering, Sales, MarketingFirst seen 2026-07-14Roles last changed 2026-10-29
Open roles
| Role | Location | Remote | Level | Salary | Posted |
|---|---|---|---|---|---|
| Senior Partner Marketing Manager, Nationals Marketing | US | Remote | Manager | USD 145k to 185k | 29 Oct 2026 |
| Senior Partner marketing Manager, MSP/MSSPs Marketing | US | Remote | Manager | USD 145k to 185k | 29 Oct 2026 |
| Senior Sales Development Representative, Federal Sales | Washington DC | Hybrid | Senior | n/a | 28 Oct 2026 |
| Enterprise Account Executive, South Africa Sales | not available | Remote | not available | n/a | 28 Oct 2026 |
| Commercial Account Executive, UK Sales | Amsterdam | Remote | not available | n/a | 28 Oct 2026 |
| Commercial Account Executive, Japan Sales | JP | Hybrid | not available | n/a | 27 Oct 2026 |
| Staff Product Manager, Agentic Data Platform Product | San Francisco | Hybrid | Manager | USD 194k to 265k | 27 Oct 2026 |
| Staff Product Manager, Growth Product | New York City | Hybrid | Manager | USD 194k to 265k | 27 Oct 2026 |
| Staff Product Manager, Threat Hunting Experience Product | New York City | Hybrid | Manager | USD 225k to 265k | 27 Oct 2026 |
| Senior Sales Engineer, META Engineering | SA | Remote | Senior | n/a | 27 Oct 2026 |
| Senior Director, Engineering – Proactive Offense Engineering | US | Remote | Director | USD 315k to 370k | 26 Oct 2026 |
| Procurement Operations Analyst Procurement | US | Remote | not available | USD 115k to 150k | 26 Oct 2026 |
| Director of Engineering, Webapp & AI Attack Engineering | US | Remote | Director | USD 290k to 340k | 26 Oct 2026 |
| AI Administrator, Business Applications Data & Analytics | US | Remote | not available | USD 115k to 151k | 26 Oct 2026 |
| Senior People Partner, GTM HR & Recruiting | Chicago | Hybrid | Senior | USD 150k to 185k | 26 Oct 2026 |
| IT Administrator, Business Applications Operations & Admin | US | Remote | not available | USD 115k to 151k | 26 Oct 2026 |
| Senior Business Applications Engineer Engineering | US | Remote | Senior | USD 150k to 200k | 26 Oct 2026 |
| Senior Financial Analyst, Corporate FP&A Finance | US | Remote | Senior | USD 115k to 151k | 26 Oct 2026 |
| Senior Attack Engineer, Internal Systems Engineering | US | Remote | Senior | USD 206k to 243k | 26 Oct 2026 |
| Senior Sales Engineer, Indonesia Engineering | Jakarta | Remote | Senior | n/a | 24 Oct 2026 |
| Enterprise Account Executive, Indonesia Sales | Jakarta | Remote | not available | n/a | 24 Oct 2026 |
| Enterprise Account Executive, Colorado Sales | US | Remote | not available | n/a | 23 Oct 2026 |
| Enterprise Account Executive, KS/MO Sales | US | Remote | not available | n/a | 23 Oct 2026 |
| Staff Software Engineer, Database Platform Engineering | US | Remote | Lead | USD 230k to 260k | 23 Oct 2026 |
| Staff Software Engineer, OTA Services Engineering | US | Remote | Lead | USD 230k to 260k | 23 Oct 2026 |
| Staff Software Engineer, Partner Integrations Engineering | US | Remote | Lead | USD 230k to 260k | 23 Oct 2026 |
| Engineering Manager, Data Streaming Engineering | US | Remote | Manager | USD 225k to 265k | 23 Oct 2026 |
| Staff Software Engineer, Image Build & Release Engineering | US | Remote | Lead | USD 230k to 260k | 23 Oct 2026 |
| Engineering Manager, Partner Integrations Engineering | US | Remote | Manager | USD 225k to 265k | 23 Oct 2026 |
| Staff Product Manager, Hack, Fix, Verify Experience Product | New York City | Hybrid | Manager | USD 194k to 260k | 23 Oct 2026 |
| Engineering Manager, EDR Engineering | US | Remote | Manager | USD 225k to 265k | 23 Oct 2026 |
| Staff Product Manager, Compliance, Reporting, Insights Product | New York City | Hybrid | Manager | n/a | 23 Oct 2026 |
| Federal Platform Engineer Engineering | US | Remote | not available | USD 200k to 230k | 23 Oct 2026 |
| Deal Desk Manager, US - West Coast | US | Remote | Manager | n/a | 22 Oct 2026 |
| Senior Customer Marketing Manager Marketing | US | Remote | Manager | n/a | 22 Oct 2026 |
| Senior Director, Engineering, Precision Defense Engineering | US | Remote | Director | USD 270k to 365k | 22 Oct 2026 |
| Channel Field Marketing Associate, APJ Marketing | AU | Hybrid | not available | n/a | 22 Oct 2026 |
| Senior Channel Field Marketing Manager, Australia Marketing | AU | Remote | Manager | AUD 160k to 205k | 22 Oct 2026 |
| Senior Channel Field Marketing Manager, Singapore Marketing | Singapore | Remote | Manager | SGD 140k to 190k | 22 Oct 2026 |
| Senior Channel Field Marketing Manager, Japan Marketing | JP | Remote | Manager | n/a | 22 Oct 2026 |
| Senior Sales Engineer, META Engineering | Dubai | Remote | Senior | n/a | 22 Oct 2026 |
| Senior Engineer, Full Stack - Pentest Experience Engineering | US | Remote | Senior | USD 170k to 235k | 21 Oct 2026 |
| Channel Account Manager, Japan Sales | JP | Remote | Manager | n/a | 19 Oct 2026 |
| Senior Attack Engineer, External Engineering | US | Remote | Senior | USD 206k to 243k | 19 Oct 2026 |
| Mid-Enterprise Account Executive, East Coast Sales | US | Remote | not available | n/a | 19 Oct 2026 |
| Staff Attack Engineer, External Engineering | US | Remote | not available | USD 238k to 280k | 19 Oct 2026 |
| Senior Backend Engineer, External Engineering | US | Remote | Senior | USD 200k to 235k | 19 Oct 2026 |
| Channel Account Manager, Singapore Sales | Singapore | Remote | Manager | n/a | 18 Oct 2026 |
| Senior Marketing Operations & Analytics Manager Data & Analytics | US | Remote | Manager | USD 145k to 185k | 17 Oct 2026 |
| Channel Sales Engineer, Singapore Engineering | Singapore | Remote | not available | n/a | 16 Oct 2026 |
Open roles over timeBETA: partial data
Daily snapshots from 6 Oct 2026 (two earlier ones: 2026-09-28 and 4 Oct), so older windows have gaps. Any point derived afterwards rather than recorded that day is labelled “reconstructed” in the API.
Recent closures
| Role | Closed | Reason |
|---|---|---|
| Staff Technical Recruiter | 28 Oct 2026 | stopped appearing at its source |
| Federal Customer Success Manager | 28 Oct 2026 | stopped appearing at its source |
| Principal Software Engineer, Database Platform | 28 Oct 2026 | its apply link kept failing at its source |
| IT Analyst (Remote) | 27 Oct 2026 | stopped appearing at its source |
| Federal Customer Success Manager | 27 Oct 2026 | stopped appearing at its source |
| Regional Sales Manager, Commercial | 27 Oct 2026 | stopped appearing at its source |
| Senior Backend Engineer, Security Controls | 26 Oct 2026 | stopped appearing at its source |
| Senior Backend Engineer, Security Controls | 25 Oct 2026 | stopped appearing at its source |
| Senior Marketing Campaigns Manager, ABM | 25 Oct 2026 | its apply link kept failing at its source |
| Senior Channel Field Marketing Manager, META | 24 Oct 2026 | its apply link kept failing at its source |