Halborn · 9 hours ago
Offensive Security Engineer – Off-Chain / Cloud
United States
Full-time
Remote
Mid LevelHalborn Inc is an elite cyber security company focused on providing security services to the cryptocurrency and fintech industries. They are seeking an Offensive Security Engineer to conduct security engagements across cloud environments, web applications, and infrastructure, while collaborating with clients and other security professionals.
BlockchainCyber SecurityNetwork SecurityPenetration Testing
No H1B
Responsibilities
Conduct offensive security engagements across:
Cloud environments (AWS, Azure, GCP)
Infrastructure and network security
Web applications and APIs
Perform penetration testing, red team–style assessments, and vulnerability exploitation
Identify, validate, and clearly document security findings
Produce high-quality technical reports with actionable remediation guidance
Work directly with clients as part of security delivery engagements
Collaborate with other offensive security engineers and security architects
Contribute to internal tooling, scripts, and security research where relevant
Qualification
Required
Strong hands-on experience in offensive security / penetration testing
Practical experience testing cloud environments
Solid understanding of: Web application security, API security, Infrastructure and network security
Experience with common offensive security tools and techniques
Ability to clearly communicate technical findings in written reports
Comfortable working in a client-facing delivery role
Demonstrated initiative through tooling, scripting, labs, or open-source contributions
Preferred
Relevant offensive security certifications (e.g. OSCP/OSWP, CRTP/CARTP, CREST, cloud or mobile/wireless)
Experience in consulting or security services environments
Contributions to open-source security research or tooling
Hands-on development of internal tools or automation
Exposure to diverse enterprise client environments, particularly within blockchain or Web3 contexts
Company
Halborn
Halborn is a cybersecurity company protecting blockchain organizations from cyber attacks.
Founded in 2019
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$90MKey Investors
Summit Partners
2022-07-19Series A· $90M
Leadership Team
Jacques Boschung
Chief Executive Officer
Arabdha Sudhir
SVP Marketing
Recent News
2026-01-19
2025-10-26
Company data provided by crunchbase