
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.
🔥 4 minutes ago
🇺🇸 United States – Remote
💵 $225k - $265k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♀️ Software Engineering Manager
👻 Ghost score 20%
Where this job comes from
Posted on Horizon3.ai's careers page, not through a job board
First seen by Remote Rocketship 4 minutes ago

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.
• Lead the Firewall validation, effectiveness, and tuning team • Lead, mentor, and grow backend engineers and security practitioners with firewall and defensive expertise • Establish clear career paths for team members • Turn firewall workflows into buildable requirements and usable product capabilities • Partner with a Staff-level Technical Lead on architecture and with Product on roadmap and sequencing • Translate ambiguous goals into sequenced, deliverable work and actively manage scope • Stay technically engaged to challenge assumptions and unblock the team without serving as the primary implementer • Establish operational discipline including design review, release practices, on-call, and incident response • Own hiring, team growth, and collaboration as the team scales
• Familiarity with firewall or network security sufficient to partner effectively with domain experts • Proven experience leading highly technical backend or platform engineering teams, ideally within a SaaS, cybersecurity, or cloud-scale environment • Track record delivering products under a fixed date with ambiguous requirements and actively managed scope • Strong dependency and stakeholder management across many engineering teams • Understanding of security and reliability best practices in multi-tenant SaaS • Experience partnering with a staff-level technical lead • Ability to maintain a quality or safety bar under schedule pressure and escalate scope tradeoffs • Working familiarity with enterprise firewall platforms such as Palo Alto Networks, Fortinet, Cisco, or Check Point (preferred) • Familiarity with agentic or LLM-backed systems in production (preferred) • Background in security operations, detection engineering, or offensive security (preferred) • Experience leading a platform team serving internal engineering teams (preferred) • Exposure to event-driven architectures or streaming platforms such as Kafka, Pulsar, Kinesis, or Flink (preferred) • Legal authorization to work in the United States
• Equity package in the form of stock options for all full-time roles • Health, vision and dental insurance for you and your family • Flexible vacation policy • Generous parental leave • Career development opportunities • Inclusive culture • Collaborative and innovative work environment • Remote and hybrid work models depending on role and location
Apply NowImprove your chances of getting an interview by checking your resume score before you apply.
🔥 29 minutes ago
Senior Engineering Manager leading Gravie’s health-benefits integration and platform teams. Driving reliable delivery, regulated-data quality, vendor partnerships, and agentic AI adoption.
🇺🇸 United States – Remote
💵 $194k - $258.5k / year
💰 $150M Private Equity Round - Gravie on 2025-05
⏰ Full Time
🟠 Senior
👮♀️ Software Engineering Manager
🔥 1 hour ago
Software Engineering Manager leading backend APIs, services, and integrations at Slingshot Aerospace. Guiding engineering teams that build software for safer, more secure space operations.
🇺🇸 United States – Remote
💵 $175k - $265k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♀️ Software Engineering Manager
🔥 3 hours ago
Engineering manager leading nCino’s mortgage Admin Experience team. Building scalable AWS software and applying AI while coaching engineers and managing delivery.
🇺🇸 United States – Remote
💵 $107.9k - $183.4k / year
💰 $925.6M Post-IPO Equity on 2022-01
⏰ Full Time
🟡 Mid-level
👮♀️ Software Engineering Manager
🔥 3 hours ago
Engineering Manager leading Flickr’s agentic software transformation across web, mobile, privacy, and moderation. Improving product quality while coaching senior engineers and owning delivery.
🇺🇸 United States – Remote
💵 $181k - $209.1k / year
💰 Round 1 on 2024-05
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♀️ Software Engineering Manager
🔥 4 hours ago
Engineering Manager leading a four-to-seven-person product team at Onfleet, powering efficient last-mile deliveries. Coaching AI-agent development, owning delivery, hiring, people growth, and quality.
🇺🇸 United States – Remote
💵 $90k - $175k / year
💰 $23M Series B on 2022-06
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♀️ Software Engineering Manager
🦅 H1B Visa Sponsor