Full-Time Senior Staff Information Security Engineer

The ServiceNow Security Organization delivers world-class, innovative security solutions to reduce risk and protect the company and our customers. We enable our customers to migrate their most sensitive data and workloads to the cloud, accelerating our business so that we are the most trusted SaaS provider. We create an environment where our employees are proud to work and can make a positive impact.

Team This position reports to the Director, Security Engineering. The Enterprise Security Engineering team targets building state-of-the-art technology that will help reduce the risk surrounding the sensitive assets of the company with the least impact possible on operations, acts as guidance and facilitator to the security operations teams and helps shifting Security perception from blocker to enabler by building a relationship of trust with the other teams.

Role The Senior Staff Information Security Engineer will serve as a technical subject matter expert within the Infrastructure Security team, responsible for engineering solutions that secure ServiceNow’s core enterprise infrastructure. This includes network, server, authentication systems, certificates, and operational tooling. You will drive strategic initiatives that prevent threats, reduce operational risk, and enhance resilience across infrastructure services.

What you get to do in this role:

• Define and execute the technical strategy for securing infrastructure, aligned to risk and business needs
• Lead efforts to harden network and server infrastructure against unauthorized access, misconfigurations, and malware
• Architect and implement scalable and automated security controls across authentication, system configurations, and monitoring pipelines
• Drive secure deployment and management of on-prem containerized environments (e.g., Kubernetes)
• Establish controls and visibility to manage certificate lifecycle and prevent expiration-related risks
• Champion operational excellence through automation, outage reduction, and service resilience improvements
• Represent Infrastructure Security in architecture reviews, incident response, and compliance initiatives
• Mentor and develop other engineers, influencing secure engineering practices across teams
• Stay current with industry threats, trends, and mitigation techniques related to infrastructure security

To be successful in this role you have:

Required Skills:

• Experience in leveraging or critically thinking about how to integrate AI into work processes, decision-making, or problem-solving.
• Master’s degree in computer science; engineering, or information technology or equivalent industry experience
• 10+ years of relevant hands-on engineering experience
• Deep experience with operating system and server security (Linux, Windows)
• Advanced knowledge of enterprise networking and secure network architectures
• Proficiency in scripting and automation (Python, Bash, Go, etc.)

Desirable Skills:

• Experience in working with web and database services (REST APIs, JSON, XML, SQL)
• Experience in working with Splunk and SPL (or other SIEM/Log management systems)
• Experience in working with cryptography (PKI, TLS, VPNs, secure credential management, disk encryption, certificate and code signing)
• Experience with infrastructure-as-code and configuration management tools such as Puppet and Ansible to automate system hardening and policy enforcement
• Experience in working with hardware virtualization

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