Active Directory and Messaging Administrator - Promotional

Position Overview

This recruitment is promotional only. You must presently be a full or part-time regular or probationary County of Sonoma employee.

The Information Systems Department has requested a department promotional certification to fill an Active Directory and Messaging Administrator position. Only qualified permanent and/or probationary Information Systems Department employees on the eligible list may be eligible for referral to the department for the advertised position. This employment list may also be used to fill future full-time or part-time positions as they occur during the active status of the list.

The Civil Service title is Systems Software Analyst.

As the Active Directory and Messaging Administrator, you will be responsible for all aspects of Enterprise Active Directory, Entra , and M365 Administration, including its design, configuration, and maintenance. This position will also apply enhancements and/or fixes as necessary to maintain system performance and work to meet department and county security standards.

• Design and support Microsoft Active Directory/Exchange Online/Exchange SE and other key subcomponents
• Design, document, test, and implement appropriate backup and disaster-recovery mechanisms for all Microsoft enterprise platforms (Active Directory, M365, Exchange Online, Exchange SE, etc.)
• Continuously identify, plan, and implement necessary upgrades to support capacity planning, business requirements, and Microsoft OS/Domain/Exchange/File Sharing upgrades
• Implement scalable solutions to support critical infrastructure services running in Active Directory, M365 (inclusive of SharePoint, One Drive, Teams, etc), and supported Cloud environments, such as LDAP, SAML/OIDC SSO, DNS, SMTP, and other authentication and identity solutions
• Work closely with teams within the Enterprise Active Directory to structure and define appropriate domain/tenant structure, sites, services, trusts, and OU/GPO/Intune Policy hierarchy to support all elements of end-user, desktop, server, cloud, and core processing platforms
• Collaborate with ISO, Governance, Risk, and Compliance to mitigate vulnerabilities, and define and implement security policies and baseline standards
• Continually improve processes through automation using Power Shell or other scripting languages to optimize, clean up, and secure the Active Directory, Entra , and Intune systems
• Manage all aspects of an enterprise messaging environment, including account management, Teams creation, auditing, security, litigation hold, etc.
• Proactively monitor, report, and manage the on-premises software and M365 environments on a day-to-day basis

The ideal candidate will possess many of the following:

• Expert knowledge of Enterprise Active Directory architecture, Entra , Enterprise Exchange/Exchange Online (or similar), M365 Administration, Power Shell, DNS, SMTP, E-mail security, Identity and access management
• Applied knowledge of network infrastructure and virtualization technologies
• Experience with Information Security, storage, cloud, and database systems
• Demonstrated knowledge of project management, asset management, and change management controls
• Effective written and oral communication skills
• Complex analysis and problem-solving skills
• Attention to detail and strong organizational skills to manage deliverables and meet deadlines

This position requires access to the Sheriff’s Office or Probation Department facilities. A more extensive “Security Clearance” will be performed after hire. Successful completion of the probationary period may be contingent upon passing the security clearance, which may include a Personal History Statement packet, Live Scan fingerprint-based criminal history checks, warrant checks, written reference checks, etc. If you are offered a position that requires a security clearance, the job offer letter will clearly specify this as a condition of the probationary period.

Application submissions require the Supplemental Questionnaire to be completed.

Any combination of training and experience that would provide an opportunity to acquire the knowledge and abilities listed.…