Offensive Security Engineer

Casco
United States
Workplace: RemoteFull timeUSD 200,000 - 200,000 annuallyFunction: CybersecurityExperience: 3+ yearsSkills: ["Communication","Problem-solving","Teamwork","Self-directed","Continuous learning"]

We are seeking an exceptional Offensive Security Engineer to join a fast-growing startup and advance security testing at the intersection of traditional penetration testing and AI-assisted security. You will perform manual penetration testing across web apps, APIs, cloud, and networks, mentor peers, and help shape our security tooling and strategy in a remote-first US-based environment.

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FursaFursa
Casco
Casco
11 months ago

Offensive Security Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 17 hours agoStatus: Live

Job Summary

We are seeking an exceptional Offensive Security Engineer to join a fast-growing startup and advance security testing at the intersection of traditional penetration testing and AI-assisted security. You will perform manual penetration testing across web apps, APIs, cloud, and networks, mentor peers, and help shape our security tooling and strategy in a remote-first US-based environment.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Cybersecurity

Key Responsibilities

  • •Perform comprehensive manual penetration tests across web applications, APIs, cloud infrastructure, and networks, delivering detailed findings and remediation guidance.
  • •Review and enhance findings from the agentic red teaming platform to improve overall security posture.
  • •Develop custom exploits, tools, and methodologies to identify complex vulnerabilities and contribute to security tooling.
  • •Collaborate with engineering to improve automated security testing capabilities and security software.
  • •Produce actionable security assessment reports and partner with customer engineering teams to ensure findings are understood and addressed.

Pay and Benefits

Salary: USD 200,000 annually
Equity and Bonus:Equity
Perks:Learning BudgetRemote WorkEquity

Key Requirements

  • •3+ years of professional penetration testing or offensive security experience
  • •Hands-on AI/LLM security experience including prompt injection, model manipulation, data poisoning, or other AI-specific attack vectors
  • •Proficiency in at least two programming languages, including TypeScript
  • •Deep understanding of OWASP Top 10, MITRE ATT&CK, and modern attack methodologies
  • •Experience with Burp Suite, Metasploit, Cobalt Strike, or similar tooling
Experience:3+ yearsCybersecuritySecurity testingAI security
Skills:CommunicationProblem-solvingTeamworkSelf-directedContinuous learning
Certifications:OSCPOSWEOSEPGPENEquivalent
Languages:English
Tech Stack:TypeScriptBurp SuiteMetasploitCobalt StrikeAWSAzureGCPKubernetesDockerAI/LLM

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Casco
Casco operates the casco.com website. Publicly available information about the company’s products, services, headquarters, founding year, and financial or funding details is limited, preventing a precise company description at this time.
Industry: Other
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