Senior Network Administrator
About The Position
California Water Service Group is hiring a Senior Network Administrator to design, implement, administer, and support the company's Identity and Access Management (IAM) platforms and Microsoft enterprise collaboration services. The role primarily covers Active Directory, Microsoft Entra ID, Okta Identity Cloud, SSO, MFA, identity governance, and Microsoft 365 services including Exchange Online, SharePoint Online, and Microsoft Teams. It also supports Azure cloud infrastructure, virtual server environments, backup and recovery systems, storage infrastructure, and disaster recovery solutions. The position provides technical leadership, operational support, and on-call response to help ensure the security, reliability, and availability of critical business systems. It leads infrastructure projects of moderate complexity, provides technical guidance and mentoring to other IT staff, and ensures documentation and regulatory compliance. The position is located in San Jose, California, and work is performed onsite with no remote-work option.
Requirements
- Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
- Five years of experience administering enterprise identity management, Microsoft 365 services, and infrastructure platforms.
- Strong experience with Active Directory, Microsoft Entra ID, Okta, IAM solutions, MFA, SSO, identity governance, and directory services.
- Experience administering Microsoft 365 services, including Exchange Online, SharePoint Online, and Microsoft Teams.
- Experience supporting Microsoft Azure and hybrid cloud environments.
- Experience supporting virtual server, backup, storage, and disaster recovery technologies.
- Excellent verbal and written communication skills.
- Proficiency in Microsoft Office applications.
- Valid California Driver License.
Nice To Haves
- Relevant Microsoft, Okta, Azure, and identity/security certifications.
- Relevant certifications such as CCNP, CCIE, CISSP, or PCNSE.
- Experience with network monitoring tools and software.
- Knowledge of cloud networking and security.
- Microsoft Azure Administrator Associate (AZ-104) certification.
- Microsoft Azure Network Engineer Associate (AZ-700) certification.
- Microsoft Azure Security Engineer Associate (AZ-500) certification.
Responsibilities
- Administer Active Directory, Microsoft Entra ID, and Okta Identity Cloud, including user lifecycle management, access controls, SSO, MFA, identity governance, privileged access management, and authentication policies.
- Configure and maintain identity federation and directory integrations using SAML, OAuth, OIDC, and SCIM.
- Implement and maintain identity security controls aligned with Zero Trust Architecture, cybersecurity standards, regulatory requirements, and company policies.
- Monitor identity, authentication, and access activity; investigate incidents and implement corrective actions.
- Lead IAM initiatives and projects, including application onboarding, access modernization, authentication enhancements, and identity lifecycle automation.
- Administer and support Microsoft 365 services including Exchange Online, SharePoint Online, Microsoft Teams, and related collaboration technologies.
- Manage Microsoft 365 security, compliance, mail flow, collaboration, and governance configurations.
- Support integration of Microsoft 365 services with Entra ID, Okta, and other enterprise applications.
- Monitor and optimize Microsoft 365 environments for availability, performance, security, and user experience.
- Design, implement, and support Azure cloud infrastructure and hybrid cloud solutions, including networking, compute, storage, identity, security, and connectivity services.
- Monitor and optimize cloud resources for performance, availability, security, and cost efficiency.
- Support cloud migrations, modernization initiatives, and infrastructure automation efforts.
- Administer and support VMware and virtual server environments.
- Administer, maintain, and troubleshoot SAN infrastructure, backup systems, and recovery solutions.
- Support business continuity and disaster recovery initiatives, including Azure Backup, Azure Site Recovery, backup operations, recovery testing, and disaster recovery planning.
- Install, support, and maintain enterprise infrastructure, virtualization, networking, and security services.
- Monitor, maintain, troubleshoot, and optimize server, storage, cloud, and supporting infrastructure systems.
- Maintain accurate documentation of identity, Microsoft 365, cloud, server, and infrastructure configurations and procedures.
- Research emerging technologies and recommend security, identity, collaboration, and infrastructure enhancements.
- Lead and manage infrastructure projects of moderate complexity and scope.
- Ensure compliance with SOX, cybersecurity, and other regulatory requirements.
- Provide technical leadership, mentoring, and operational guidance to Network Administrators and other IT staff.
- Participate in Continuous Improvement initiatives and perform other duties as assigned.
- Provide on-call response.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
