Senior Infrastructure and Security Engineer

Senior Infrastructure and Security Engineer 6-month+ hybrid contract role located in San Francisco, CA. (3/4 days in the office) Our client is looking for a Senior Infrastructure & Security Engineer to support IT operations and enterprise security initiatives at our San Francisco HQ. This role is designed for a senior-level professional with hands-on experience in infrastructure management and a strong focus on configuration assessments across SaaS platforms, cloud environments, and on-premise systems. The position reports directly to the Head of Infrastructure and Information Security and contributes to the reliability, security, and compliance of enterprise systems. What you'll do Perform configuration reviews and hardening assessments across SaaS applications, cloud services, and infrastructure components. Identify misconfigurations and gaps in security posture; recommend and implement remediation strategies. Maintain and evolve baseline configurations and compliance benchmarks aligned with internal policies and recognized standards. Support vulnerability management and incident response efforts with configuration insights and forensic analysis. Administer and troubleshoot network components including switches, access points, routers, firewalls, and VPNs. Manage virtualized environments and backup systems across hybrid infrastructure. Support cloud migration efforts and ensure secure deployment patterns across public cloud platforms. Collaborate with development and DevOps teams to ensure secure and scalable infrastructure design. Implement and maintain endpoint protection, identity and access controls, and data loss prevention mechanisms. Automate security controls and monitoring using scripting and orchestration tools. Assist in audit preparation and documentation of security controls and operational procedures. Who you are and what you bring Minimum 7 years of experience in IT infrastructure and security engineering. Strong understanding of SaaS, cloud, and on-premise configuration management. Proficiency in scripting languages (e.g., Python, PowerShell) and automation frameworks. Experience with network architecture, virtualization, and cloud-native services. Familiarity with compliance frameworks and security standards (e.g., CIS Benchmarks, NIST, ISO). Ability to work independently and manage multiple priorities in a fast-paced environment. Excellent communication skills and a collaborative approach to cross-functional work. Job details Seniority level: Mid-Senior level Employment type: Contract Job function: Information Technology Industries: IT Services and IT Consulting #J-18808-Ljbffr

Created: 2025-09-17