Senior Systems and Infrastructure Engineer, Information Security

Position Summary...

At Walmart, we prioritize innovation and data security. Our team is dedicated to maintaining a secure operating environment and preserving the trust of our customers, associates, and stakeholders. We combine a range of services and expertise to prevent fraud, detect threats, and manage digital risk and access. Our focus is on mitigating attack risks, securing cloud transformation, and fostering a culture of security and reliability within our team


About Team:
Our Information Security team is searching for an experienced IoT/OT practitioner to join our team and continue our mission of securing a large scale and diverse businesses environment. As an IoT/OT Senior Systems & Infrastructure Engineer, you will be for ensuring the security and compliance of IoT/OT systems and devices across the enterprise.

What you'll do...

• Implement security controls and best practices for IoT/OT systems and devices, such as encryption, authentication, authorization, logging, patching, etc.

• Provide feedback and recommendations to enhance design patterns, support build and deploy scenarios, and enable operation team success.

• Collaborate with vulnerability assessment and penetration testing teams to identify risks, findings, and remediations across the IoT/OT landscape. 

• Collaborate with other teams and stakeholders to ensure the security and compliance of IoT/OT systems and devices, and provide training and awareness as needed.

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What you'll bring:

• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent work experience

• 3+ years of IT experience, with knowledge of implementing and operating platforms at scale

• CISSP Certification or similar accreditation preferred

• Familiarity with IoT/OT protocols, standards, and platforms, such as MQTT, CoAP, OPC UA, Azure IoT, etc.

• Experience with IoT/OT devices, sensors, and hardware, such as Arduino, Raspberry Pi, PLCs, RTUs, etc.

• Experience with security tools and frameworks, such as Nmap, Metasploit, Burp Suite, OWASP, etc.

• Experience with cloud and network technologies, such as GCP, Azure, TCP/IP, VPN, etc (certifications preferred)

• Background & experience with security regulations and standards, such as NIST, ISO, HIPAA, PCI, etc.

• Strong analytical, problem-solving, and communication skills

• Ability to leverage skills and experience to educate and build consensus amongst stakeholder community

• Ability to work independently and as part of a team

• Ability to learn new technologies and skills quickly

• CISSP Certification or similar security accreditation preferred

About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Walmart’s culture is a