> Markdown version of [/jobs/ext/4693420-senior-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/4693420-senior-network-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Security Engineer - **Company:** HCA Healthcare Inc. - **Location:** Nashville, TN, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Information Systems, Network Security - **Published:** November 12, 2026 - **Apply:** https://dejobs.org/x/x/584DEB13D3D0498B9193ACDE2B209CC1/job/ ## About the Role * 5+ Years Experience Required * Bachelor's degree Information Systems Preferred * High School Graduate/Equivalent Required ## Description The Senior Engineer, Zscaler Services is responsible for executing advanced implementations and supporting production Zscaler services in a large enterprise environment. This role handles complex operational issues, contributes to service improvements, and provides mentorship to junior engineers. While overall solution design is owned by a centralized architecture and design function, this position partners closely with those teams to ensure designs are implemented accurately, efficiently, and in a manner that supports long-term operational excellence. Extraordinary analytical, very high degree of creativity; in depth knowledge of the business implications of technical approaches, directions and solutions; ability to innovate in highly complex technical areas, ability to achieve results, advanced project planning and coordination skills, superior communication skills, success in subordinate positions. Major Responsibilities: * Implement and support Zscaler services based on approved designs. * Troubleshoot and resolve complex service issues. * Participate in on-call and escalation rotations. * Support junior engineers through mentoring and knowledge sharing. * Ensure Zscaler services meet defined Service Level Agreements (SLAs), availability targets, and performance expectations. * Drive continuous improvement of implementation processes, operational procedures, and support models to improve service reliability and customer experience. * Maintain awareness of Zscaler platform enhancements and operational best practices to continuously mature service delivery. Delivery & Operations Management * Manage a high-volume environment supporting hundreds of sites and a large enterprise user base, balancing daily operational demands with multiple concurrent initiatives (30+ projects). * Participate in rollout waves, migrations, upgrades, and feature enablement activities in coordination with project management and architecture teams. * Act as the primary escalation point for complex Zscaler implementation or production issues. * Ensure effective documentation of operational procedures, runbooks, and support processes. Collaboration & Communication * Partner daily with architecture/design, network, security, infrastructure, client support, project management, and vendor teams to deliver enterprise Zscaler services. * Provide clear written and verbal communication, including operational documentation, implementation plans, status reporting, and executive-level updates. * Represent the Zscaler implementation and operations function in cross-functional meetings and governance forums.