Senior OT Cybersecurity Engineer

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Jacobs is seeking a qualified Operational Technology Cybersecurity professional to support clients operating critical infrastructure and industrial environments. Your role at Jacobs enables our OT cybersecurity team to understand how clients’ systems operate, evaluate cybersecurity risks within those environments, and develop practical improvements that protect reliability, safety, resilience, and business performance. As a member of our team, you will support clients through OT cybersecurity assessments, architecture reviews, risk analyses, secure-by-design activities, incident-response planning, cybersecurity improvement programs, and related consulting engagements. You will work with asset owners, operators, engineers, system integrators, information technology teams, and cybersecurity stakeholders to understand how systems are designed, operated, maintained, and connected. Senior OT Cyber Engineering Professionals will need excellent analytical, problem-solving, communication, and client-service skills, as well as deep working knowledge of operational technology systems, networks, architectures, and cybersecurity concepts. This position must be able to interpret complex technical environments, resolve ambiguity, identify meaningful risk, and translate findings into practical recommendations that clients can implement. The successful candidate will exercise professional judgment, lead defined areas of complex engagements, communicate effectively with technical and executive audiences, and produce work products that are technically sound, operationally useful, and defensible. Bring your team-focus, adaptability, and commitment to excellence, and we’ll help you grow what drives you and deliver the world’s most challenging projects, together. Essential Duties And Responsibilities Lead OT cybersecurity assessments, architecture reviews, technical analyses, risk assessments, and cybersecurity improvement activitiesEvaluate OT systems, networks, architectures, control-system environments, remote-access arrangements, cybersecurity controls, and operational processesDevelop an understanding of client operations, system dependencies, engineering practices, maintenance activities, and operational constraintsIdentify cybersecurity weaknesses and risks that could affect safety, reliability, availability, process integrity, regulatory obligations, or business operationsAnalyze findings in the context of the client’s actual operating environment rather than treating individual control deficiencies in isolationFrame and prioritize technical and cybersecurity issues based on operational impact, likelihood, consequences, and practical remediation considerationsResolve ambiguity and make defensible professional judgments when technical information is incomplete, inconsistent, or unavailableIdentify systemic issues, recurring weaknesses, architectural concerns, and emerging risk patternsDevelop practical recommendations for system hardening, network architecture, segmentation, access management, monitoring, vulnerability management, incident response, recovery, lifecycle management, and operational governanceSupport secure-by-design and cybersecurity engineering activities for new and modified OT systemsParticipate in client interviews, site visits, technical workshops, architecture reviews, design reviews, tabletop exercises, and working sessionsPrepare and review technical reports, assessment findings, risk analyses, architecture observations, remediation plans, procedures, presentations, and other client deliverablesCommunicate technical findings and recommendations clearly to engineers, operators, cybersecurity professionals, information technology personnel, managers, and executivesRepresent Jacobs credibly in client meetings, workshops, interviews, and project activitiesProvide technical and professional leadership within engagementsMentor and support junior staff through coaching, review, guidance, and exampleContribute to the development and improvement of OT cybersecurity methods, tools, templates, assessment approaches, and service offeringsSupport proposal development, scope definition, work planning, estimating, and client presentations as appropriateEscalate issues when they exceed the role’s authority, available information, or technical expertise Here's what you'll need 5+ years experience in Operational Technology environmentsA principle-driven person who exudes Integrity, Curiosity, & EmpathyDeep working knowledge of operational technology systems, networks, architectures, and cybersecurity conceptsUnderstanding of industrial control systems, including PLCs, RTUs, HMIs, SCADA, DCS, engineering workstations, historians, industrial networks, telecommunications, and remote-access technologiesAbility to understand how OT systems operate and how cybersecurity decisions affect safety, reliability, availability, maintainability, and process performanceAbility to evaluate cybersecurity issues within operational, engineering, safety, reliability, regulatory, and business contextsAbility to analyze incomplete or ambiguous information and reach defensible conclusionsStrong technical analysis, risk assessment, problem-solving, prioritization, and professional judgment capabilitiesDemonstrated ability to lead activities within complex or multidisciplinary consulting engagementsStrong client-facing communication and relationship-management skillsAbility to explain complex technical and cybersecurity concepts to technical and nontechnical audiencesStrong technical writing, documentation, presentation, and quality-review skillsAbility to work independently while coordinating effectively with multidisciplinary teamsCommitment to professional integrity, sound judgment, and continuous learning Ideally, You'll Also Have A person who is visionary, plans far ahead, and focuses on what is importantExperience supporting OT cybersecurity, industrial control systems, critical infrastructure, utilities, energy, water, transportation, manufacturing, or other industrial environmentsExperience conducting OT cybersecurity assessments, architecture reviews, risk analyses, vulnerability assessments, incident-response planning, recovery planning, or secure-by-design activitiesExperience evaluating industrial networks, segmentation, firewalls, remote access, identity and access management, vulnerability management, logging and monitoring, backups, or system resilienceExperience working with asset owners, operators, engineers, system integrators, information technology teams, cybersecurity teams, and executive stakeholdersExperience developing practical remediation plans and supporting clients through implementationFamiliarity with NIST Cybersecurity Framework, NIST SP 800-82, IEC 62443, ISO 27001, NERC CIP, AWWA, AWIA, SOCI, or comparable sector-specific requirementsCertifications or training in engineering, cybersecurity, information technology, industrial control systems, or a related field, including but not limited to CISSP, CISA, GICSP, GRID, CRISC, CGRC, ISA/IEC 62443, or equivalent credentialsExperience mentoring staff and reviewing technical deliverables Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, paid time off, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock. The base salary range for this position is $140,000.00 to $165,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on August 26, 2026. This position will be open for at least 3 days. Onsite employees are expected to attend a Jacobs Workplace on a full-time basis, as required by the nature of their role. Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.