Description We are seeking a hands-on Infrastructure and Security Manager to oversee and support a hybrid cloud and on-premise technology environment for a growing organization supporting government-related contracts. This Infrastructure and Security Manager role combines infrastructure operations leadership with cybersecurity compliance, ensuring systems remain secure, reliable, and aligned with CMMC and NIST frameworks.
The ideal Infrastructure and Security Manager candidate brings strong experience managing Azure infrastructure, enterprise networking, and security operations, along with a practical understanding of CMMC security requirements. This Infrastructure and Security Manager position is hybrid in Oakland, CA, requiring 2-3 days onsite per week and is a contract to hire opportunity.
Key Responsibilities
- Manage and maintain the organization's IT infrastructure across cloud and on-premise environments
- Oversee Microsoft Azure infrastructure, networking, and system security
- Administer and support Windows Server and Linux systems
- Lead security operations including monitoring, incident response, and vulnerability management
- Implement and maintain cybersecurity controls aligned with CMMC and NIST frameworks
- Manage enterprise networking including firewalls, VPNs, SD-WAN, and wireless environments
- Oversee security tools such as endpoint protection, log aggregation, and threat detection platforms
- Support and maintain Microsoft 365 and SharePoint security configurations
- Collaborate with leadership on security strategy, compliance readiness, and risk management
- Participate in infrastructure and security initiatives including system upgrades, integrations, and M& A activities
- Work with vendors and internal teams to ensure system reliability, performance, and security
Requirements Required Qualifications
- 7+ years of experience in IT infrastructure or infrastructure security leadership
- Strong hands-on experience with Microsoft Azure cloud infrastructure
- Experience implementing or supporting CMMC security frameworks
- Background in enterprise cybersecurity operations and infrastructure security
- Experience with Windows Server environments and Active Directory
- Strong knowledge of networking technologies (LAN, WAN, VPN, firewalls, wireless)
- Experience supporting hybrid cloud environments
- Strong troubleshooting, communication, and project management skills
Preferred Qualifications
- Experience with CrowdStrike endpoint security platform
- Experience with vulnerability management tools (Qualys, Nessus, etc.)
- Experience with SIEM or log management platforms (Splunk, Sentinel, etc.)
- Familiarity with Fortinet firewalls or enterprise network security platforms
- Experience supporting organizations pursuing CMMC Level 1 or Level 2 certification
- Certifications such as CISSP, CISM, Azure, CCNA, or Fortinet NSE
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