Opportunities at Craft portfolio companies


Horizon3AI Sr. Software Engineer - Offensive Security Expert



Software Engineering
United States
Posted on Monday, July 24, 2023


As a Horizon3AI Offensive Security Expert, you will play a crucial role in developing attack content, integrating attack tools, and contributing to the improvement of our product's offensive cyber security capabilities. We are seeking a creative, self-motivated, and highly energetic individual with a passion for offensive cyber security, software development, and product architecture. Your attention to detail, technical expertise, and results-oriented approach will be essential in driving the success of our Attack Team.

Roles and Responsibilities:

  • Develop and integrate new attack content into our product to enhance offensive security capabilities.
  • Monitor production operations, identify errors, and missed opportunities, and create Jira bug tickets to ensure continuous improvement.
  • Integrate and develop open-source and in-house attack tools and techniques to bolster the product's effectiveness.
  • Take ownership of and resolve bugs related to the attack content you have created.
  • Test, maintain, and improve code quality to meet high standards of performance and reliability.
  • Adhere to and enhance technical and developmental processes within the Attack Team to streamline operations.
  • Manage concurrent initiatives, prioritize effectively, and demonstrate excellent judgment in time management.
  • Demonstrate strong analytical and problem-solving abilities to tackle complex challenges in offensive security.
  • Exhibit strong influence, negotiation, and relationship management skills to collaborate with other teams effectively.
  • Contribute to solution design and flow, leveraging your expertise as a subject matter expert.
  • Create and maintain technical documentation and communicate effectively with team members.
  • Possess in-depth knowledge of platform design and flow to provide valuable insights and guidance.
  • Take up supervisory responsibilities as needed for specific projects or team initiatives.


  • Ability to manage multiple projects simultaneously while maintaining attention to detail and delivering results.
  • Demonstrate creativity, self-motivation, and high energy to drive innovation and progress in offensive security.
  • Excellent analytical and problem-solving skills to tackle complex cyber security challenges effectively.
  • Strong influence, negotiation, and relationship management skills to work collaboratively within the organization.
  • Proficiency in solution design and flow to develop effective offensive security strategies.
  • Effective technical documentation and communication skills to articulate complex concepts clearly.
  • Subject matter expertise in platform design and flow, contributing valuable insights to the team.
  • Ability to work in a remote team environment, promoting effective collaboration and communication


  • Knowledge or awareness of multiple operating systems, including Kali, Ubuntu, and Windows.
  • Understanding of cloud infrastructure and related services, such as AWS, Azure, and GCP.
  • Familiarity with databases like Neo4j and Postgresql.
  • Proficiency in scripting languages like Bash, Ruby, and LUA.
  • Experience with technologies used within the team, such as GitLab CI, Docker, and Sonarcube.
  • Integration of existing public exploits and development of new methods for validating vulnerabilities.
  • Knowledge of the Standard of Good Practice for Information Security.


  • Cybersecurity-related certifications/designations, such as Offensive Security Certified Professional (OSCP), Certified Information Systems Security Professional (CISSP), GIAC Penetration Tester (GPEN), and Offensive Security Expert Penetration Tester (OSEP).
  • Bachelor's and/or master's degree in business administration, commerce, computer science, engineering, or a related field, or significant relevant industry experience.
  • Extensive architectural management experience.
  • Exposure and/or experience with cybersecurity industry standards and trends.

Travel: This is a fully remote position, but occasional job-related travel may be required, up to 5%. All travel expenses must be reviewed and approved by your manager.

Joining Horizon3AI as an Offensive Security Expert offers an exciting opportunity to contribute to cutting-edge offensive cyber security solutions. If you possess the required expertise and have a passion for delivering impactful results, we encourage you to apply and become a key player in our mission to enhance cyber security capabilities and protect our clients from emerging threats.