Cyber Security Engineer

About us:

At Exxon Mobil, our vision is to lead in energy innovations that advance modern living and a net‑zero future. As one of the world’s largest publicly traded energy and chemical companies, we are fueled by a diverse workforce driven by pride in what we do and what we stand for.

The success of our Upstream, Product Solutions and Low Carbon Solutions businesses is the result of the talent, curiosity and drive of our people. They bring solutions every day to optimize our strategy in energy, chemicals, lubricants and lower‑emissions technologies.

We invite you to bring your ideas to Exxon Mobil to help create sustainable solutions that improve quality of life and meet society's evolving needs.

Exxon Mobil’s state‑of‑the‑art campus north of Houston serves as home to its Upstream, Product Solutions and Low Carbon Solutions businesses and their associated service groups. The facility opened in 2014 and accommodates more than 10,000 employees and visitors.

By bringing many global functional groups together, the campus provides employees with the tools and capabilities needed today, and in the future, to achieve business objectives and accelerate the discovery of new resources, technologies and products. It was designed to foster improved collaboration, creativity and innovation and enhance the company’s ability to attract, develop and retain the top talent in the industry.

The campus is located in Spring, Texas, on 385 wooded acres immediately to the west of I‑45, at the intersection of I‑45 and the Hardy Toll Road, approximately 25 miles from downtown Houston.

The campus was constructed to the highest standards of energy efficiency and environmental stewardship. Its design incorporates extensive research into best practices in building and workplace design through benchmarking of the world’s top academic, research and corporate facilities.

An ICT Cybersecurity Engineer is responsible for monitoring all OT assets (servers, endpoint machines, network equipment, etc.), coordinating investigations, providing incident response, conducting threat hunts, engineering new detections, and ensuring perimeter security through external network connection processes.

• Safeguard the organization’s operational technology environment by monitoring and defending systems that enable safe, reliable production and physical operations
• Maintain enterprise‑wide visibility across industrial control systems, Windows infrastructure, network devices, and perimeter security
• Detect, investigate, and coordinate response to cybersecurity threats impacting operational environments, prioritizing safety and business continuity
• Use monitoring platforms and SIEM tools to detect anomalous behavior, policy violations, and potential cyber threats
• Proactively identify emerging risks through threat hunting and analysis of industrial network activity
• Strengthen detection capabilities by developing and refining threat use cases tailored to OT environments
• Ensure perimeter and network segmentation controls effectively protect critical operational assets
• Partner closely with operations, engineering, IT, and cybersecurity teams to manage risk without disrupting production
• Lead or contribute to incident response efforts to contain threats before they impact safety or reliability
• Document incidents, investigations, and response actions in accordance with organizational procedures
• Support root cause analysis and lessons learned activities following cyber events
• Contribute to continuous improvement of OT SOC processes, playbooks, and monitoring coverage

Skills & Qualifications

• Minimum 5 years of cybersecurity experience; OT/ICS experience preferred
• Experience in energy, manufacturing, utilities, or other critical infrastructure environments preferred
• Flexibility in schedule for working with a global team; member of on‑call rotation
• Understanding of Operational Technology (OT), Industrial Control Systems (ICS), and SCADA environments
• Experience monitoring and defending Windows‑based systems and server infrastructure in production environments
• Knowledge of industrial networking concepts,…