Description
ISCorp is hiring a Senior Security Systems Administrator to lead the administration, optimization, hardening, monitoring, and incident response of enterprise security platforms across hosted customer and internal environments. The role covers SIEM, EDR/XDR, vulnerability management, identity controls, Microsoft 365 security, patching, complex investigations, security standards, documentation, automation, and mentorship of less experienced administrators. It requires a bachelor’s degree or equivalent experience and 5–7 years of progressive systems administration, security operations, or infrastructure security experience, with strong Windows, Active Directory, virtualization, scripting, and troubleshooting capabilities. The position is based at ISCorp’s Mequon, Wisconsin headquarters and includes health, dental, 401(k), and profit-sharing benefits.
