OT/ICS Cybersecurity Engineer (Operational Technology)

Enterprise Functions 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

Are you interested in working at the cutting edge of industrial cybersecurity ? Does securing high criticality operational technology systems and leading a team of cyber professionals motivate you? Are you ready to take your career in Cybersecurity of Operational Technology and Industrial Control Systems to the next level with one of the largest technology and engineering firms in the world? As the OT/ICS Cybersecurity Engineer (mid level) , you’ll work at the forefront of contemporary industrial systems to secure these systems from design through deployment. Jacobs designs and builds the world’s infrastructure, and you’ll play a key role in protecting industrial systems that enable our client’s most important programs.

As the OT/ICS Cybersecurity Engineer - Mid, you will work with a team of cybersecurity professionals that provide support across the Jacobs delivery lifecycle. From ensuring design compliance with standards to providing discrete cybersecurity assessments, you’ll identify risk and provide mitigation measures that protect our clients from the most dangerous forms of cyber-attacks. You will design cybersecurity offerings to be consistent with NIST, NERC CIP and other contemporary cybersecurity standards in ICS environments. You’ll understand the cybersecurity needs of large infrastructure programs and develop cybersecurity offerings to include 3rd party technologies that ensure that system and network data is visible and secure. In this role, you’ll work with both sales and operations teams to embed cybersecurity and risk reduction into new contract opportunities as well as active programs. You’ll work in close coordination with SCADA instrumentation and controls teams to design and integrate SCADA and OT with contemporary security architectures. From design through the commissioning of large infrastructure, you’ll put your hands on experience with ICS cybersecurity to work at Jacobs.

Are you ready to be part of our team of ICS cybersecurity professionals at the cutting edge of SCADA and cybersecurity? At Jacobs, we are building a more connected and sustainable world. Come join us as we engineer and secure networks at the heart of today’s global infrastructure.

Responsibilities :

• Support cybersecurity design of OT networks through compliance with appropriate security standards
• Provide cybersecurity assessments of OT/ICS across Jacobs s with analysis of current state, mitigation, and solution implementation
• Support OT integration of switching, servers, firewalls, virtual machines, and other technology with proper security standards
• Perform forensics analysis of OT devices to support cyber incident analysis
• Develop consultative OT security solutions which include services such as attack emulation, penetration testing, threat hunting, and deception operations
• Travel to project sites to provide support of ICS networks, manage and maintain converged platforms, virtualization, networks, security platforms and various other OT/IoT technologies

Here's what you'll need

• 5+ years of experience in OT (operational technology) / ICS (industrial control systems) security with experience leading engagements
• Experience with OT network monitoring and data collection tools
• Technical background with hands-on experience in the conduct of security reviews and assessments of OT security and cybersecurity risk landscapes
• Knowledge of DNP, Modbus, SEL, IEC-61850 protocols – serial & IP based
• Experience working with firewalls and wireless communication technology
• Experience working with virtualization platforms, Active Directory Domain Services, and DNS
• Familiarity with IEC-62443 and other industrial cybersecurity standards
• Knowledge of the Purdue Enterprise Reference Architecture
• Knowledge of Zero Trust Architecture
  

Preferred :

• IAT Level II Certification (Security+, GICSP)
• Cisco CCNA, Fortinet NSE-4, JNCIA or equivalent network certification
• Expertise in MITRE ATT&CK® and ATT&CK for ICS Frameworks
• Hands-on experience programming ICS vendor Human Machine Interface (HMI) equipment as well as Programmable Logic Controllers (PLCs)
• Experience with Industrial Internet of Things and edge computing
• Working knowledge of NIST SP 800 series guidelines
• Experience implementing secure remote access solutions

Posted Salary Range: Minimum

90,000.00

Posted Salary Range: Upper

130,000.00

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 $90,000.00 to $130,000.00. 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 January 28, 2026. This position will be open for at least 3 days.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

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 .

Locations

City State Country
Houston	Texas	United States
Austin	Texas	United States
Chicago	Illinois	United States
New York	New York	United States
Seattle	Washington	United States
San Francisco	California	United States
Richmond	Virginia	United States
Cincinnati	Ohio	United States