Senior IT Security Engineer

ATS Client

Join ATS Client as a Senior IT Security Engineer to maintain a global Active Directory environment for over 100,000 users, ensuring top security and availability.

Last checked on September 20, 2026. We may earn a commission when you click through.

✓ Opportunity to work with a large user base ✓ Focus on cutting-edge security technologies ✓ Chance to influence IT strategy at a global level

Senior IT Security Engineer

ATS Client

Updated 13 hours ago

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Pretoria

This position is ideal for experienced IT security professionals looking to make a significant impact in a global company. However, the intense workload may not suit those seeking a balanced work-life environment.

About this role

Join ATS Client as a Senior IT Security Engineer to maintain a global Active Directory environment for over 100,000 users, ensuring top security and availability.

About the Company

ATS Client is a leader in providing advanced IT services and solutions globally, focusing on cybersecurity and digital identity.

Key Highlights

✓ Manage a global Active Directory environment
✓ Implement Entra ID services for 100,000+ users
✓ Drive the IT strategy in digital identity
✓ Ensure high availability and security across platforms
✓ Work in a senior role within a dynamic team

💡 Honest Take: This role demands extensive expertise in IT security, and while it promises a vital position in a large organisation, the responsibilities can be overwhelming. Expect high expectations and a fast-paced environment.

Pros

✓ Opportunity to work with a large user base
✓ Focus on cutting-edge security technologies
✓ Chance to influence IT strategy at a global level
✓ Senior role with potential for career growth

Cons

✗ High-pressure environment with demanding expectations
✗ No remote work option
✗ Potential for long hours
✗ Limited salary transparency

Best For: IT security experts in South Africa who thrive in high-stakes situations and are seeking to enhance their strategic influence.

Watch Out: The role lacks flexibility, as it requires on-site presence in Pretoria and does not offer remote working options.

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What Customers Say

Employees report a high-pressure environment with demanding expectations but also value the opportunity to work with cutting-edge technologies.

Expert Review

In this role, you will be responsible for supporting a vast Active Directory setup, which can be a major challenge due to the sheer scale. With over 100,000 users, your decisions will directly impact security and accessibility. The company focuses heavily on security practices, particularly with Entra ID, which is essential for modern IT environments.

However, this means you must stay updated with the latest trends and technologies, which can be a steep learning curve. While the position offers significant opportunities for growth, it also comes with high expectations. Be prepared for a fast-paced work environment with little room for error.

Knowledge of zero trust principles will be crucial for success in this role. Overall, if you are a seasoned professional looking for a challenging position in cybersecurity, this could be an excellent opportunity. Just be wary of the demands it will place on your time and energy.

For more details, visit the official job listing at ATS Client on Talent.com.