Senior .NET Security Engineer – Secure SDLC & Cloud

Sabenza IT & Recruitment; South Africa; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Sabenza IT & Recruitment is seeking a Security Engineer to embed secure development practices in the SDLC across .NET/Cloud environments. You will collaborate with software engineers, DevOps, and stakeholders to identify and remediate risks, conduct secure reviews, and implement robust security controls.

You'll apply hands-on application security expertise with secure coding in Microsoft.NET, leveraging Azure services and security tooling while ensuring regulatory and governance compliance.

Qualifications

• Bachelor's degree in Computer Science, Information Security, Engineering, or related field.
• Azure security certifications are advantageous.
• Industry-recognised security certifications such as Security+, SSCP, CEH, AZ-500, CSSLP are advantageous.
• 5+ years in software engineering, application security, or secure solution delivery.
• Hands-on experience securing .NET and cloud-based applications.
• Experience using security testing, code scanning, and vulnerability management tools.
• Experience with Azure-based environments and DevSecOps practices.
• Understanding regulatory, compliance, and governance requirements in enterprise environments.

Responsibilities

• Embed security best practices throughout the SDLC.
• Conduct security reviews of designs, architectures, and codebases.
• Identify, assess, and remediate application security risks.
• Perform secure code reviews for .NET apps and guide remediation.
• Support authentication, authorization, encryption, and secure communications.
• Configure and maintain security tooling including SAST/ DAST.
• Collaborate with teams to address vulnerabilities from assessments and pen tests.
• Support threat modelling activities and security risk assessments.
• Develop and maintain security standards, guidelines, and secure coding practices.
• Assist with security incident investigation and root cause analysis.
• Ensure compliance with security, privacy, governance and client requirements.
• Share security knowledge and awareness across engineering teams.

Skills

Secure SDLC

Threat modelling

Secure code review

Vulnerability management

.NET security

C# & .NET

SQL

TypeScript

Python

HTML/CSS

Education

Bachelor's degree in CS / Info Security / Engineering

Azure security certifications advantageous

Security+ / SSCP / CEH / AZ-500 / CSSLP

Tools

Azure DevOps

Git

Docker

SonarQube

OWASP ZAP

Burp Suite

Postman

Microsoft Sentinel

Application Insights

Azure Monitor

Azure Key Vault

Azure App Services

Job description

Sabenza IT & Recruitment is seeking a Security Engineer to embed secure development practices in the SDLC across .NET/Cloud environments. You will collaborate with software engineers, DevOps, and stakeholders to identify and remediate risks, conduct secure reviews, and implement robust security controls.

You'll apply hands-on application security expertise with secure coding in Microsoft.NET, leveraging Azure services and security tooling while ensuring regulatory and governance compliance.