IT Security Engineer - Zscaler Specialist

Description We are looking for an experienced IT Security Engineer - Zscaler Specialist to support and strengthen enterprise cloud security operations in Chicago, IL. This Long-term Contract position focuses on administering and enhancing Zscaler-based security services while helping maintain a reliable, scalable, and well-governed security environment. The role will partner with cross-functional teams to evaluate requirements, resolve technical issues, and improve secure access, web protection, and data safeguarding capabilities.

Responsibilities:

Administer and optimize Zscaler security platforms to support secure, high-performing access across cloud and enterprise environments. Investigate configuration issues, analyze service behavior, and implement corrective actions to maintain stable security operations. Collaborate with infrastructure, network, and application teams to align security controls with business needs and technical requirements. Support secure web access, zero trust connectivity, firewall policy coordination, and data protection initiatives across the environment. Conduct reviews of existing processes and technical documentation to identify gaps, recommend improvements, and strengthen operational consistency. Translate business and security needs into clear technical requirements, user stories, and actionable implementation plans in Agile delivery settings. Participate in troubleshooting efforts, root cause analysis, and service improvement activities to reduce risk and enhance platform performance. Assist with documentation updates, control validation, and ongoing analysis related to security changes, policies, and operational procedures. Requirements Strong hands-on experience engineering, configuring, and supporting Zscaler security solutions in enterprise environments. Solid understanding of cloud security concepts, secure web gateway technologies, zero trust access models, and data loss prevention controls. Experience working with firewall technologies, including coordination with platforms such as Palo Alto Networks. Ability to perform business analysis activities such as requirements gathering, gap analysis, and document review. Familiarity with Agile Scrum methodologies and experience collaborating with cross-functional technical teams. Strong troubleshooting and analytical skills with the ability to resolve complex security and connectivity issues. Clear written and verbal communication skills for documenting findings and partnering with technical and business stakeholders. Technology Doesn't Change the World, People Do. Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more. Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use and Privacy Notice.