Lumicity ยท 12 hours ago
OT Systems Engineer
Los Angeles, CA
Full-time
Onsite
Senior Level
$110K/yr - $150K/yr
5+ years expLumicity is a confidential organization developing advanced energy technologies in Southern California, and they are seeking an OT Systems Engineer to support mission-critical OT and SCADA systems. The role involves operating and maintaining these systems, collaborating with IT and engineering teams, and ensuring high-reliability environments.
Human ResourcesRecruitingStaffing Agency
Hiring Manager
Luke Willis
Responsibilities
Operate and maintain OT/SCADA systems built on Rockwell Automation technologies
Support FactoryTalk infrastructure and its Windows and network dependencies
Provide infrastructure support alongside I&C teams working with CompactLogix controllers (no PLC programming required)
Design, operate, and troubleshoot segmented Networking environments, including VLANs, VPNs, and packet-level analysis
Deploy, manage, and harden firewalls, remote access, and secure connectivity with disciplined change control
Operate and secure Windows Domain Controllers, Active Directory, and Group Policy supporting OT environments
Implement and maintain certificate-based authentication, including Smart Card login workflows
Maintain accurate documentation, network diagrams, and operational runbooks
Partner closely with IT, security, and engineering teams to resolve operational and security-related issues
Qualification
Required
5+ years of hands-on experience supporting production OT/SCADA or industrial infrastructure environments
Direct experience supporting Rockwell Automation ecosystems, including FactoryTalk and Windows-based OT systems
Strong Networking fundamentals, including switching, VLAN segmentation, VPNs, and troubleshooting
Experience managing enterprise firewalls and secure remote access in mixed IT/OT environments
Practical experience operating and hardening Windows Domain Controllers and Active Directory
Experience with certificate-based security and Smart Card authentication in operational environments
Strong documentation skills suited for incident response and regulated operations
Degree in Engineering, Computer Science, Information Systems, or equivalent hands-on experience
Operations-first mindset with a focus on uptime, safety, and controlled change
Comfort working non-standard hours, sometimes including nights and weekends, as required by operations
Company
Lumicity
Lumicity is a technical staffing agency that provides staffing solutions for engineering, life sciences, technology, and energy industries.
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase