Senior Security Engineer - Serbia / Mexico - Home-based

Who we are

We’re a global, midsize CRO that pushes boundaries, innovates and invents because the path to a cure for the world’s most persistent diseases is not paved by those who play it safe. It is built by those who take pioneering, creative approaches and implement them with quality and excellence.

We are Worldwide Clinical Trials, and we are a global team of over 3,500+ experts, bright thinkers, dreamers and doers and, together, we are changing the way the world experiences CROs – in the best possible way.

Our mission is to work with passion and purpose every day to improve lives and we are looking for others who value this same pursuit.

Why Worldwide

We believe everyone plays an important role in making a world of difference for patients and their caregivers. From our hands-on, accessible leaders, to our cohesive and supportive teams, we are committed to enabling professionals from all backgrounds and experiences to succeed. We prioritize cultivating a diverse and inclusive environment that continues to promote collaboration and creativity. We are proud to be a workplace where people thrive by being themselves and are inspired to do their best work every day. Join us!

What the Information Technology Department does at Worldwide

The IT department is made up of seasoned professionals united in one common goal: to keep Worldwide’s technical infrastructure operating at the highest levels for our employees and our customers. We are a global team comprised of numerous professionals including cyber security, artificial intelligence, IT helpdesk, application support, and more. 

What you will do

• Design, deploy, and manage Zscaler solutions

• Lead incident response and troubleshooting related to Zscaler, such as DNS categorization issues, SSL decryption errors, or access anomalies.

• Collaborate with Infrastructure and Security Operations teams to enforce endpoint posture checks, DLP policies, and access control rules across Zscaler platforms.

• Integrate Zscaler logs and telemetry into SIEM platforms to support threat detection, forensics, and compliance reporting.

• Develop and maintain automation scripts and workflows using Zscaler APIs to support policy enforcement, reporting, and operational efficiency.

• Conduct maturity assessments and contribute to the Zscaler roadmap aligned to Zero Trust architecture goals.

What you will bring to the role

• Deep understanding of Zscaler architecture, deployment models, and policy frameworks.

• Strong analytical and troubleshooting skills, especially in large-scale cloud security environments.

• Proficiency with automation tools and scripting languages (e.g., Python, PowerShell, REST APIs).

• Effective communication skills, capable of translating complex technical topics for both technical and non-technical audiences.

• Familiarity with adjacent technologies such as endpoint detection and response (EDR), identity and access management (IAM), and data loss prevention (DLP).

Your experience

• Bachelor’s degree in Computer Science, Information Technology, or related field with a minimum of 5 years of experience in enterprise security engineering, with at least 2 years directly supporting Zscaler solutions or high school diploma/GED with a minimum of 7 years of experience in enterprise security engineering, with at least 2 years directly supporting Zscaler solutions.

• Hands-on experience with ZIA, ZPA, and ZDX in a production environment.

• Strong understanding of cloud security concepts, identity management, and Zero Trust principles.

• Experience with automation for security operations and policy management using APIs.

• Zscaler certifications (ZCCA-IA, ZCCA-PA, ZCCP) are highly desirable.

We love knowing that someone is going to have a better life because of the work we do. 

To view our other roles, check out our careers page at Discover a world of difference at Worldwide! For more information on Worldwide, visit www.Worldwide.com or connect with us on LinkedIn.

Worldwide is an equal opportunity employer that is committed to enabling professionals from all backgrounds and experiences to succeed and, to that end, we prioritize attracting diverse talent and cultivating an inclusive environment that encourages collaboration and creativity. We know that when our employees feel appreciated and included, they can be more creative, innovative, and successful. We’re on a mission to hire the very best and are committed to creating exceptional employee experiences where everyone is respected and has access to equal opportunity. We provide equal employment opportunities to all employees and applicants regardless of race, color, ethnicity, ancestry, religion, national origin, gender, sex, gender identity or expression, sexual orientation, age, citizenship, marital or parental status, disability, military status, or other class protected by applicable law.