Demo

Sr. Analyst - Operational Technology and Security

Valaris Limited
Houston, TX Full Time
POSTED ON 9/23/2025
AVAILABLE BEFORE 10/22/2025

Job Summary

The Senior Analyst – Operational Technology (OT) and Security is responsible for ensuring the continuity, resilience, and security of the organization’s operational technology environments. This position provides strategic leadership in the development, implementation, and management of OT security programs while addressing emerging threats and ensuring compliance with industry standards. The role requires a highly skilled professional with extensive experience in OT security, a strong understanding of offshore drilling operations, and the ability to align security initiatives with business objectives.


Principal Duties and Responsibilities

  • Designs, implements, configures, and maintains OT security systems and technologies in accordance with best practices.
  • Establishes and enforce baseline security configuration standards for operating systems, network segmentation, and identity and access management (IAM).
  • Maintains a comprehensive and accurate inventory of all systems, infrastructure, and applications through security information and event management (SIEM) or equivalent tools.
  • Monitors the cybersecurity landscape, including laws, regulations, and emerging vulnerabilities, and provide recommendations to mitigate identified risks.
  • Oversees log aggregation and analysis for security tools, servers, and critical applications.
  • Leads vulnerability analysis, management, and remediation initiatives.
  • Develops and delivers security awareness campaigns and training programs across the organization.
  • Conducts and oversees cybersecurity risk assessments in alignment with ISA/IEC 62443-3-2 and NIST CSF 2.0 frameworks.
  • Establishes, maintains, and enforces comprehensive security policies and procedures.
  • Provides regular briefings to senior management on the cybersecurity threat landscape and recommends mitigation strategies.
  • Designs, leads, and evaluates tabletop exercises and operational security drills.
  • Continuously assess current OT security practices, identifying opportunities for enhancement and modernization.
  • Updates and maintains business continuity and disaster recovery plans.
  • Safeguards the organization’s intellectual property and sensitive content.
  • Develops and reports on key performance metrics to measure the effectiveness of the security program.
  • Participates in rotational after-hours, holiday, and weekend monitoring and support as required.


Qualifications / Experience

  • Bachelor’s degree in information technology, Engineering, or a related discipline; advanced degree preferred.
  • Minimum of seven (7) years of experience in OT security.
  • Minimum of five (5) years of experience within the offshore drilling industry.
  • Professional certification in ISA/IEC 62443 is required.



Skills & Experience


  • Demonstrated adaptability to evolving OT landscapes and emerging security technologies.
  • Strong analytical capabilities with the ability to synthesize complex data into actionable insights.
  • Exceptional written and verbal communication skills, with the ability to engage effectively with stakeholders at all organizational levels.
  • Proven ability to balance competing priorities and adapt to shifting business demands.
  • Strong problem-solving and innovative thinking skills.
  • Extensive experience implementing and managing OT security technologies and controls.
  • Knowledge of relevant legal and regulatory requirements (e.g., Sarbanes-Oxley Act, GDPR).
  • Proficiency in security testing methodologies, including vulnerability scanning, penetration testing, and application security testing.
  • Expertise in conducting risk assessments, business impact analysis, and developing risk treatment strategies.
  • Ability to develop, document, and implement security architecture and long-term strategic plans.


Behaviors


As part of our commitment to fostering a high-performance culture, employees are expected to align their actions and decisions with the principles outlined in our Behavioral Framework. This framework serves as the foundation for our organizational culture and guides our behaviors to drive better outcomes across the company. Employees are responsible for incorporating these behaviors into their daily actions, relationships, and decision-making to help manage expectations, strengthen relationships, and contribute to the overall success of the organization.


Our five behaviors that define our culture are:


Analyze & Plan – Being deliberate in understanding and describing the problem to solve and using information from a range of relevant sources to develop solutions that are effective and evidence-based.

Collaborate – Collaborating effectively, sharing ideas, and leveraging one another’s strengths based on trust, transparency, and empathy, creating an environment where everyone’s input is valued.

Communicate – Communicate clearly with all employees and stakeholders, ensuring active listening, understanding, and timely information sharing.

Learn, Grow & Adapt – Building organizational capability through our own learning and development while coaching others and supporting others to adapt, learn, and develop.

Deliver Results – Striving to deliver and exceed required results, identifying and overcoming obstacles, and taking responsibility for the outcome while respecting our values.


Disclaimer

The above statements are intended to describe the general nature and level of work being performed by employees assigned to this job. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed.

Valaris is an equal opportunity employer in all areas of employment-related decisions, including but not limited to recruiting, hiring, developing, training, promoting, disciplining and compensating employees without regard to race, religion/beliefs, color, ethnicity or national origin, gender, age, sexual orientation, gender identity, marital status, disability, or any other characteristic protected under applicable law.

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