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

Principal Operational Technology Security Engineer (Remote / MN or DC)

Optum is a global organization that delivers care, aided by technology, to help millions of people live healthier lives.

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.

• 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 life cycles 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.

• 4+ years of experience managing and using security tools in an OT/ICS environment (e.g., Splunk, Armis, Tenable).
• 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).
• Experience with regulatory frameworks (NIST, ISA/IEC 62443, NERC CIP) relevant to OT security.
• Proven expertise in ICs/SCADA systems, network protocols (Modbus, DNP3, OPC), and OT architecture.

• Project management experience and ability to lead cross‑functional initiatives.
• 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.
• All employees working remotely will be required to adhere to United Health Group’s Telecommuter Policy.

Salary range: $112,700 to $193,200 annually (based on full‑time employment) with comprehensive benefits, incentive and recognition programs, equity stock purchase, and 401(k) contribution.

United Health Group is an Equal Employment Opportunity employer. Qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status.

United Health Group is a drug‑free workplace. Candidates are required to pass a drug test before beginning employment.

• Mid‑Senior level

• Full‑time