Senior Active Directory & Identity Infrastructure Engineer

About Symosis Security

Symosis Security is a Silicon Valley–based cybersecurity and AI engineering firm specializing in identity security, cloud security, automation, and 24x7 security operations. We support enterprise and regulated environments across the US, APAC, and EMEA with engineering-led cybersecurity and IAM operations services.

Role Overview

We are seeking a senior hands-on Active Directory & Identity Infrastructure Engineer to support large-scale enterprise IAM operations across hybrid identity environments.

This role is focused on:

• Active Directory operations

• DNS / GPO management

• Hybrid identity troubleshooting

• Entra ID / Azure AD

• Okta authentication and federation

• Incident response and production IAM operations

This is an operational engineering role supporting complex enterprise environments — not a pure implementation or governance consulting role.

Responsibilities

• Manage and troubleshoot Active Directory environments, including:

 - Domain controllers

 - DNS

 - GPOs

 - AD replication

 - Service accounts

• Support hybrid identity operations across AD, Entra ID, and Okta

• Participate in production incident response and on-call rotations

• Troubleshoot SSO, MFA, provisioning, and authentication issues

• Support operational improvements and automation initiatives

• Maintain runbooks and operational documentation

Required Skills

• 8+ years supporting enterprise Active Directory environments

• Strong expertise in:

 - AD / DNS / GPO

 - AD replication

 - Kerberos / LDAP

 - Entra ID / Azure AD

 - Hybrid identity

• Experience with production incident response and operational support

• PowerShell scripting and automation experience

• Strong troubleshooting and communication skills

Preferred

• Okta experience

• SailPoint exposure

• ServiceNow

• Enterprise IAM operations experience

Compensation:
$140,000 – $175,000 salary equivalent (DOE) | Contract/Consulting arrangements also considered