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Robert Half Logo Robert Half · IT - Software Development

IT Security Engineer – Zscaler Specialist

United States, Chicago · Job Posted May 06, 2026
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Job 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.

Job Responsibility

  • 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

What we offer

  • Medical
  • Vision
  • Dental
  • Life and disability insurance
  • 401(k) plan
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