Senior Corporate Security Engineer

As a Senior Corporate Security Engineer at Nexthink, you will be responsible for the security of our internal environment. You won't just be monitoring logs; you will be architecting the security fabric that enables our rapid growth.  Working in close partnership with IT, business teams and, partnering with our Cloud and Application Security teams, you will secure the identity, devices, and applications used by "Nexthinkers" worldwide. You will own the security of a complex SaaS ecosystem, and lead detection and response for the corporate environment.  What You Will Do  Identity-Centric Security Architecture  • Contribute to the design and support the implementation of passwordless authentication and Zero Trust principles.  • Manage secure provisioning and lifecycle management, ensuring least-privilege access across all business systems.  • Partner with HR and IT to streamline onboarding/offboarding workflows, ensuring timely access revocation and auditability.  Endpoint & Infrastructure Security  • Define and enforce security baselines for our diverse fleet of endpoints (Windows, macOS) and mobile devices via MDM (Intune/Jamf).  • Manage and tune EDR/XDR solutions to ensure high-fidelity detection on workstations and servers (Windows, Linux, macOS).  • Secure the corporate Azure footprint, ensuring proper configuration of subscriptions, networking, and resources distinct from our production product environment.  • Proactively identify and mitigate security risks in our corporate environment, conducting regular security assessments and vulnerability scans.  • Coordinate vulnerability management and patch management   • Collaborate with IT to automate endpoint compliance checks and remediation workflows.  Security Engineering  • Support the development and maintenance of Infrastructure-as-Code.  • Ensure hardening and compliance of endpoints and servers.  SaaS Security & Integration  • Assess and secure third-party SaaS integrations (e.g., Salesforce apps, browser extensions, productivity tools) to prevent data leakage and over-privileged access.  • Collaborate with Legal and Compliance to vet new vendors and tools.  • Configure and maintain CASB and DLP policies to safeguard sensitive corporate data without hindering productivity.  Detection, Response & Automation  • Lead incident response activities for corporate security events (phishing, malware, lost devices).  • Develop automation scripts (Python/PowerShell) and workflows (SOAR) to automate manual security tasks, evidence collection, and response actions.  • Proactively hunt for threats within the corporate network and identity providers.  • Develop incident response playbooks including technology specific procedures and forensics collection  Audits and Compliance  • Design and implement security controls to safeguard corporate resources, including endpoints, data storage, networking, computing and identity and access management.  • Support and automate evidence collection for audits.  Culture & Collaboration  • Act as the primary security liaison to the IT Department and business teams, helping them build security into their operations (DevSecOps for IT).  • Design and deliver technical security training and awareness campaigns for engineering and business teams.  • 5-8 years of hands-on experience in Corporate Security, IT Security Engineering, or a SOC role in a cloud-first environment.  • Endpoint Mastery: Experience hardening operating systems (macOS/Windows) and managing security via MDM/UEM tools.  • Vulnerability management: Proven experience in helping IT and business teams patching systems and infrastructures.  • Coding Skills: Proficiency in Python and Terraform for automating APIs and security workflows.  • Security Ops: Proven exp