Application Security Engineer

DigiCert; Cape Town; On-site; ZAR 600,000 - 900,000; Full time

Job summary

DigiCert is seeking an Application Security Engineer to join their cybersecurity team in Cape Town. The role involves safeguarding web applications by integrating security practices into the SDLC, conducting assessments, and collaborating with development and security teams to ensure code security. Ideal candidates should have a strong foundation in cybersecurity and a proactive approach to learning and applying new technologies.

Benefits

Provident Fund

Medical Aid + Gap Cover

Employee Assistance Program

Gym Reimbursement

Life Insurance

Disability Insurance

Sabbatical

Qualifications

• 4+ years experience in cybersecurity, software engineering, or DevOps.
• Familiarity with secure SDLC methodologies is essential.
• Strong understanding of vulnerabilities like OWASP Top 10.

Responsibilities

• Support integration of security controls across SDLC.
• Assist in static/dynamic code analysis and penetration testing.
• Collaborate with dev teams for secure development practices.

Skills

Application Security

DevSecOps

Cybersecurity

Collaboration

Communication

Education

Bachelor’s degree in computer science, cybersecurity, or related field

Tools

SAST

DAST

SCA

CI/CD pipelines (e.g., GitHub Actions)

Job description

Who we are

We're a leading, global security authority that's disrupting our own category. Our encryption is trusted by the major ecommerce brands, the world's largest companies, the major cloud providers, entire country financial systems, entire internets of things and even down to the little things like surgically embedded pacemakers. We help companies put trust - an abstract idea - to work. That's digital trust for the real world.

Job summary

As an Application Security Engineer within our cybersecurity team, you will help safeguard the company’s web applications and services by supporting the integration of security practices into the Software Development Life Cycle (SDLC). You will collaborate with development, DevOps, and security teams to identify, assess, and remediate vulnerabilities, contribute to secure coding practices, and assist in implementing DevSecOps tooling and processes. This role is ideal for someone with a strong technical foundation who is eager to grow within the product/application security space

What you will do

• Support the integration of security controls and best practices across various phases of the SDLC.
• Assist in security assessments, including static and dynamic code analysis, open-source dependency analysis, and limited penetration testing.
• Participate in manual and automated code reviews to identify potential vulnerabilities and coding flaws.
• Collaborate with software engineers to promote secure development practices, including the use of security testing tools in CI/CD pipelines.
• Contribute to the evaluation, deployment, and tuning of DevSecOps tools such as SAST, DAST, and SCA platforms.
• Help maintain secure deployment workflows and support security automation efforts.
• Participate in cross-functional security reviews of new features and systems with guidance from senior engineers.
• Stay up to date on current security threats, vulnerabilities, and best practices in application security.
• Assist with triaging vulnerabilities from internal scans, bug bounty submissions, or external assessments.
• Document processes and playbooks to support consistent and scalable security practices.
• Provide input to the development of internal security standards and reference architectures.
• Support remediation efforts in collaboration with engineering teams.
• Participate in promoting a security-first culture across the organization.
• Other duties and responsibilities as assigned.

What you will have

• Bachelor’s degree in computer science, cybersecurity, or a related technical field (essential)
• 4+ years of experience in cybersecurity, software engineering, or DevOps, with at least 1–2 years focused on application or product security (strongly preferred).
• Familiarity with DevSecOps tools (SAST, DAST, SCA) and secure SDLC methodologies (essential)
• Solid understanding of common web application vulnerabilities (e.g., OWASP Top 10, CWE) and remediation strategies.
• Experience with programming/scripting languages such as Python, JavaScript, or Java.
• Ability to analyze code and spot security issues with guidance.
• Strong communication and collaboration skills.
• Strong attention to detail and willingness to learn new technologies.

Nice to have

• Hands-on experience with CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins).
• Experience contributing to or managing a bug bounty triage process.
• Exposure to cloud platforms such as AWS, Azure, or GCP.
• Familiarity with security standards and frameworks such as NIST, OWASP SAMM, ISO 27001, or PCI DSS.
• Experience working in a regulated environment (e.g., financial services, healthcare, or government).
• Professional certifications such as Security+, CEH, eJPT, or equivalent (OSCP or similar preferred but not required).

Benefits

• Provident Fund
• Medical Aid + Gap Cover
• Employee Assistance Program
• Gym Reimbursement
• Life Insurance
• Disability Insurance
• Sabbatical

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