Senior Software Security Engineer - Cryptography

Rockwell Automation is a global technology leader focused on helping the world’s manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers – amazing companies that help feed the world, provide life‑saving medicine on a global scale, and focus on clean water and green mobility – our people are energized problem solvers that take pride in how the work we do changes the world for the better.

We welcome all makers, forward thinkers, and problem solvers who are looking for a place to do their best work. And if that’s you we would love to have you join us!

The Senior Security Software Engineer - Cryptography designs and implements cryptographic protection mechanisms for embedded devices. You will focus on securing firmware through encryption, authentication, and key management strategies, ensuring compliance with industry standards and protecting critical intellectual property.

You will report to the Engineering manager and have a hybrid work schedule from one of our offices listed on the job requisition.

• Design and implement embedded software security features to protect intellectual property.
• Develop and maintain server‑side cryptographic services using Microsoft CAPI and CNG APIs and REST APIs.
• Create authentication and authorization strategies using JWT or equivalent secure mechanisms.
• Ensure high availability and reliability of servers supporting global development and manufacturing operations.
• Manage cryptographic keys securely through integration with Hardware Security Modules (HSMs).

• Bachelor's degree in relevant field.
• Legal authorization to work in the US is required. We will not sponsor individuals for employment visas, now or in the future, for this job opening.

• This role typically requires a minimum of 5 or more years of experience with demonstrated professional development in software design and implementation role in product security.
• Bachelor's degree in computer engineering, computer science, electrical engineering or equivalent knowledge in the application of software engineering principles, theories, concepts, and techniques, or equivalent work experience.
• Strong understanding of Cryptographic primitives, including encryption and digital signatures.
• Experience implementing cryptographic algorithms using Microsoft Cryptographic API (CAPI) and Cryptography Next Generation (CNG).
• Working knowledge of Public Key Infrastructure (PKI), including certificate management and trust models.
• Willingness to work in a SAFe Agile or Kanban environment.
• Experience developing embedded software in object‑oriented languages such as C++.
• Experience in C#.
• Experience using open‑source tools like Git and Jenkins.
• Experience with continuous integration environments, automated test, and acceptance testing.
• Security certifications such as CompTIA Security+, SANS GIAC, or CISSP.
• Experience developing software and testing safety and security standards such as IEC 61508 or IEC 62443.
• Advanced courses or degrees in Engineering, Computer Science, or Controls.

This position is part of a job family. Experience will be the determining factor for position level and compensation

• Health Insurance including Medical, Dental and Vision.
• 401k.
• Paid Time off.
• Parental and Caregiver Leave.
• Flexible Work Schedule where you will work with your manager to enjoy a work schedule that can be flexible with your personal life.
• To learn more about our benefits package, please visit at

We are an Equal Opportunity Employer including disability and veterans.

If you are an individual with a disability and you need assistance or a reasonable accommodation during the application process, please contact our services team at .

Rockwell Automation’s hybrid policy aligns that employees are expected to work at a Rockwell location at least Mondays, Tuesdays, and Thursdays unless they have a business obligation out of the office.