Job Details

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