Principal Operational Technology Security Engineer- Remote or on site in MN or DC

UnitedHealth Group•Eden Prairie, MN

10d•Remote

About The Position

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together. The Principal Security Engineer is a senior-level role responsible for leading the design, implementation, and management of cybersecurity strategies for critical OT environments. The ideal candidate will possess deep technical expertise in securing industrial control systems (ICS), SCADA, and other OT assets, and will play a pivotal role in safeguarding the organization’s infrastructure from cyber threats. This position requires close collaboration with IT, engineering, and operations teams to ensure the resilience and compliance of OT systems. If you are located in MN or DC, you will have the flexibility to work remotely as you take on some tough challenges. You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Requirements

4+ years of experience managing & using security tools in an OT/ICS environment (e.g., Splunk, Armis, Tenable, etc.).
4+ years of cybersecurity, with a focus on operational technology (OT) environments
2+ years of experience leading OT security programs and projects in industrial sectors (energy, manufacturing, utilities, etc.)
Experience with regulatory frameworks (NIST, ISA/IEC 62443, NERC CIP, etc.) relevant to OT security
Proven expertise in ICS/SCADA systems, network protocols (Modbus, DNP3, OPC, etc.), and OT architecture

Nice To Haves

Project management experience and ability to lead cross-functional initiative
Experience conducting risk assessments, vulnerability management, and incident response in OT settings.
Experience with asset discovery and inventory tools for OT environments
Experience in incident response, forensics, and malware analysis related to OT systems
Knowledge of secure remote access solutions and segmentation for industrial networks
Proven ability to develop and deliver security training for technical and non-technical audiences

Responsibilities

Develop and execute comprehensive OT security strategies aligned with organizational and regulatory requirements
Lead risk assessments, vulnerability management, and incident response for OT environments
Design and implement security controls for ICS, SCADA, PLCs, DCS, and associated OT networks
Collaborate with cross-functional teams to integrate security into OT project lifecycles and operational processes
Monitor emerging threats, vulnerabilities, and security trends affecting OT systems
Drive security architecture reviews and provide expert guidance on secure system design
Develop and maintain OT security policies, standards, and procedures
Lead investigations into security incidents and coordinate response and recovery activities
Advise management on OT security risks, remediation strategies, and investment priorities
Mentor junior engineers and promote security awareness across OT and engineering teams