Cobalt Core Pentester - US Remote-Only

Cobalt.io
United States
Workplace: RemoteFreelanceFunction: QA, Test & Release EngineeringExperience: 4+ yearsSkills: ["Communication","Collaboration","Attention to detail","Professionalism"]

A freelance, part-time Pentester role based in the USA, performing manual security testing across web apps, APIs, networks, and mobile apps, collaborating with a client-facing pentest team, documenting findings, and validating vulnerabilities. The role emphasizes deep application security knowledge, effective communication, and delivering quality assessments for the Cobalt Core platform.

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FursaFursa
Cobalt.io
Cobalt.io
4 years ago

Cobalt Core Pentester - US Remote-Only

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 7 hours agoStatus: Live

Job Summary

A freelance, part-time Pentester role based in the USA, performing manual security testing across web apps, APIs, networks, and mobile apps, collaborating with a client-facing pentest team, documenting findings, and validating vulnerabilities. The role emphasizes deep application security knowledge, effective communication, and delivering quality assessments for the Cobalt Core platform.
Location: United States
Workplace: Remote
Employment Type: Freelance
Job Function: QA, Test & Release Engineering
Seniority: Mid level

Key Responsibilities

  • •Perform manual penetration testing of web applications, APIs, internal and external networks, iOS and Android mobile applications.
  • •Work as a member of a pentest team, collaborating and engaging directly with the client.
  • •Document in detail the results of assessments, audits, tests, and verification activities.
  • •Perform manual validation of vulnerabilities.
  • •Perform mobile and web app pentesting for OWASP top 10 vulnerabilities.

Key Requirements

  • •Based in the USA. 4+ years of pentesting or similar experience (mid-level). Strong communication and collaboration skills. Deep understanding of application security. Professional demeanor with strong work ethic and attention to detail.
Experience:4+ yearsCybersecurity
Skills:CommunicationCollaborationAttention to detailProfessionalism
Certifications:CRESTPenTest+GPENCEHOSCPAWSCISSPECPPTEWAPTOSCEOSWE
Languages:English
Tech Stack:IOSAndroidWebAPIs

Company Brief

Cobalt.io
Provides a platform that connects businesses with a vetted community of security researchers to deliver modern penetration testing as a service (PTaaS), helping teams identify and remediate security vulnerabilities faster.
Industry: Cybersecurity
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: San Francisco, United States
Founded: 2013
Website