X-energy · 4 months ago
ICS/OT Security Engineer III
Oak Ridge, TN
Full-time
Onsite
Mid, Senior Level
$126K/yr - $161K/yr
5+ years expX-energy is a company focused on providing innovative energy solutions, and they are seeking an ICS/OT Security Engineer III. This role is responsible for developing and executing cybersecurity engineering strategies to support plant design and engineering teams, ensuring the integration of cybersecurity into operational technology systems.
Clean EnergyCleanTechEnergyNuclearRenewable Energy
Responsibilities
Collaborate in strategic security relationships between internal resources and external entities to fully secure information, computer, network, and processing systems, including government, customers, vendors, and partner organizations
Apply industry experience to architect, develop, implement, maintain, and oversee cybersecurity tools and policies to protect X-energy business and plant operations information systems, including cloud governance and security
Where necessary, provide advanced support to help troubleshoot complex issues and architect new solutions
Construct and exploit threat intelligence to detect, respond, and defeat advanced persistent threats (APTs)
Produce reports on all activities and incidents to help maintain day-to-day status, develop, and report on trends, and provide focus and situational awareness on all issues
Identify and remediate control weaknesses
Review data with firewall administrators, engineering, system administrators, and other appropriate groups to determine the risk of security events
Perform intermediate level information security analysis work
Develop plans to safeguard computer/server/network configurations and data files against accidental or unauthorized modification, destruction, or disclosure and to meet emergency data processing needs
Perform and review technical risk assessments of new and existing applications
Research, evaluate, and recommend systems and procedures to prevent, detect, containment, and correct data security breaches
Maintain professional demeanor and behavior at all times in all forms of communication
Perform other duties as assigned by manager
Qualification
Required
Typically, five plus years of progressive experience in cybersecurity, network security or related experience
Must have direct knowledge and experience managing cybersecurity tools such as NDR, EDR, and SIEM
GICSP, GCIH, GPEN, CISSP, or equivalent, or other specific training or experience in cyber security operations, design, and engineering
Familiarity with standard principles and practices of cybersecurity design for safeguarded plants and facilities
Networking/IT systems engineering background and experience
Knowledge of Federal requirements for Cyber security for Critical Infrastructure Protection (CIP)
Knowledge of IEEE and IEC standards related to cyber security in embedded system and control systems
Proficiency in developing and reviewing threat assessments and using results of those assessments to develop comprehensive cyber security designs
Proficiency developing cybersecurity programs, procedures, and processes
Preferred
Experience in OT cybersecurity architecture design and strategy within the Power Generation, Gas and Electric business (specifically Industrial Control Systems)
Ability to lead and execute the OT cybersecurity strategy for OT business areas
In-depth knowledge of OT cybersecurity architecture that support various components of NIST cybersecurity framework capabilities, such as cybersecurity engineering, vulnerability management, identity management, threat intel, prediction and detection, as well as response and recovery
Expertise with OT domain specific cybersecurity vendors and tools, security evaluation processes and assessing risk & developing mitigation plans
Understanding of nuclear engineering, licensing, regulatory, quality, and safety requirements preferred
Knowledge or experience in software engineering, software development, or utilization of a software development toolset
Benefits
401K plan with an employer match
Medical/Dental /Vision Insurance
Life and Disability Insurance
Paid Time Off
Tuition Reimbursement/Professional Development policy
Company
X-energy
X-energy is a nuclear energy company that develops small modular nuclear reactors and nuclear fuels for clean energy generation.
501-1000 employees
H1B Sponsorship
X-energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
2022 (2)
2020 (1)
Funding
Current Stage
Late StageTotal Funding
$1.71BKey Investors
Jane Street CapitalPittco ManagementDepartment for Energy Security & Net Zero
2025-11-24Series D· $700M
2025-03-05Private Equity· $22.8M
2024-10-16Series C· $700M
Leadership Team
J. Clay Sell
Chief Executive Officer
Robert Taylor
Vice President, Regulatory Affairs and Licensing
Recent News
2026-01-06
Crunchbase News
2025-12-17
Company data provided by crunchbase