OT Systems Engineer – Endpoint Security & AD

Avance Consulting; San Diego (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Avance Consulting is seeking an Associate Systems Engineer to support security, modernization, and operational stability of OT environments across global sites. The role focuses on endpoint security, Active Directory, vulnerability remediation, access controls, and lab system support.

You will work with AD administration, patching, EDR deployment, and privileged access management, collaborating with global teams and vendors to ensure secure lab operations and rapid incident response.

Qualifications

• Experience administering Active Directory and GPOs.
• Strong Windows client/server administration experience.
• Endpoint security and vulnerability remediation expertise.
• Familiarity with endpoint management tools (Intune, SCCM/ConfigMgr).
• Experience with EDR platforms, preferably CrowdStrike Falcon.
• Knowledge of privileged access management and service accounts.
• Proficient in PowerShell scripting.
• Understanding OT/lab network environments and lab security.
• Experience with ITSM platforms like ServiceNow.

Responsibilities

• Support AD OU, GPO, user and service account administration.
• Remediate NAA and transition to managed service accounts.
• Implement software allowlisting and endpoint security controls.
• Assist with CrowdStrike EDR deployment and remediation.
• Patch OS, remediate vulnerabilities, handle EOL systems, secure file shares.
• Support USB restrictions and exception management.
• Work with lab instruments, Windows endpoints, OT/lab networks.
• Support privileged access and remote support tools.
• Manage ServiceNow requests, incidents, and docs.
• Collaborate with InfoSec, infra teams, and global site teams.
• Provide technical support and hypercare after changes.

Skills

Active Directory administration

Windows 10/11

Windows Server administration

Endpoint security

Vulnerability remediation

PowerShell scripting

OT/lab network understanding

Troubleshooting & documentation

Communication skills

Education

Bachelor's degree in Computer Science or related field

Tools

Intune

SCCM/ConfigMgr

CrowdStrike Falcon

BeyondTrust PAM

ServiceNow

Job description

Avance Consulting is seeking an Associate Systems Engineer to support security, modernization, and operational stability of OT environments across global sites. The role focuses on endpoint security, Active Directory, vulnerability remediation, access controls, and lab system support.

You will work with AD administration, patching, EDR deployment, and privileged access management, collaborating with global teams and vendors to ensure secure lab operations and rapid incident response.