Cybersecurity
Security Engineer
- Work arrangement
- Remote
- Employment type
- Part-Time / Internship
- Commitment
- 10–20 hrs/week
- Location
- Ghana-based preferred
- Experience level
- Student / Early-career
- Engagement terms
- Confirmed in writing before you start
- Duration
- Agreed at onboarding
About the Role
We are looking for a security-minded technical contributor to help improve the safety, resilience, and trustworthiness of Cornerstone's digital infrastructure.
You'll assist in identifying potential vulnerabilities, strengthening development practices, and documenting practical security improvements under the guidance of the engineering team.
Key Responsibilities
- Review applications and infrastructure for common security weaknesses.
- Assist with authorised vulnerability assessments in approved environments.
- Review authentication, access controls, API security, and data protection practices.
- Help identify insecure configurations and dependency vulnerabilities.
- Support security logging, monitoring, and incident response preparation.
- Document findings and recommend remediation actions.
- Assist in preparing technical evidence for external security assessments.
- Support secure software development practices and internal awareness.
Requirements
- Knowledge of networking, Linux, and application security fundamentals.
- Understanding of OWASP Top 10 vulnerabilities.
- Basic understanding of APIs, authentication, HTTPS, and encryption.
- Familiarity with security testing concepts and tools.
- Ability to report vulnerabilities clearly and responsibly.
- Strong ethical judgment, confidentiality, and attention to detail.
Preferred
Expected Contribution
Prioritised security findings, tested remediation recommendations, improved documentation, and support for security controls.
All security testing must be explicitly authorised. Interns do not independently conduct production penetration testing or control live financial infrastructure.
What We Offer
- Guidance on securing financial systems and practising responsible disclosure
- Flexible, remote-first working arrangement
- Practical experience contributing to a developing fintech company
- Real products and real business challenges
- Task guidance, feedback, and professional development
- Exposure to cross-functional collaboration and startup operations
- Certificate or reference letter on successful completion of an eligible internship, subject to performance
- Consideration for expanded responsibilities or future roles, depending on performance and company growth
Engagement terms are confirmed in writing before you start. Future employment is not guaranteed.
Our Hiring Process
- 1ApplySend your CV, a short introduction, and any portfolio or GitHub links.
- 2Conversation or Practical ReviewA short role-based conversation or practical exercise.
- 3OfferRole, reporting contact, commitment, and engagement terms, confirmed in writing before you start.
Ready to Build With Us?
Include your CV, a short introduction, and any portfolio, GitHub, or work samples. Tell us what you hope to contribute and learn at Cornerstone.
Apply NowEmail subject: Application – Security Engineer – [Full Name]