Infrastructure Security Engineer II

BigCommerce•Austin, TX

22h•Hybrid

About The Position

At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of BigCommerce , Feedonomics , and Makeswift , we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, deliver seamless and personalized experiences across every channel, and adapt swiftly to an ever-changing market. Simply said, we help businesses confidently solve complex commerce challenges so they can build smarter, adapt faster, and grow on their own terms. If you want to be part of a team of bold builders, sharp thinkers, and technical trailblazers, working together to shape the future of commerce, this is the place for you. Commerce is looking for an Infrastructure Security Engineer II to help secure the cloud platforms and engineering systems that power our products and internal services. This is a hands-on role with meaningful influence across cloud, platform, and security engineering. In this role, you will work closely with engineering, platform, and security teams to strengthen the security of our cloud environments, infrastructure as code, containerized workloads, identity patterns, and operational tooling. You will help teams make sound security decisions, build practical guardrails, and improve our ability to detect and respond to risk. We are looking for someone who understands infrastructure security in practice and can partner effectively with others to improve it. The right person is comfortable using modern tools, including AI-assisted workflows, to work efficiently, deepen analysis, and scale their impact across teams.

Requirements

3+ years of experience in infrastructure security, cloud security, security engineering, platform security, SRE, or a closely related field
Experience working in one or more public cloud environments such as AWS or GCP
Experience working in regulated environments and partnering with GRC teams to implement security controls that support compliance requirements
Familiarity with infrastructure as code concepts and tools such as Terraform
Experience with cloud logging, SIEM, detection engineering, or threat detection in cloud environments
Working knowledge of infrastructure and platform security concepts such as IAM, network segmentation, secrets management, logging, vulnerability management, and secure service configuration
Experience reviewing technical designs and partnering with engineers to improve security outcomes
Experience supporting or collaborating on incident response, investigations, or security operations related to infrastructure and cloud systems
Comfortable writing code or scripts to automate tasks, analyze data, or build internal tooling in Python, Go, Bash, or similar languages
Able to explain technical risks and tradeoffs clearly to engineers and stakeholders
Strong judgment, curiosity, and a practical approach to solving security problems

Nice To Haves

Familiarity with cloud posture management, runtime security, or policy-as-code tooling
Experience with CI/CD security, secrets management, or software supply chain security
Experience using AI-enabled tools to improve efficiency, automate repetitive work, or accelerate analysis in engineering or security workflows
Security or cloud certifications are welcome, but not required

Responsibilities

Partner with engineering and platform teams to review and improve the security of cloud infrastructure, platform services, and deployment patterns
Review infrastructure designs and infrastructure as code with a focus on identity, network exposure, secrets handling, logging, and resilience
Help build and maintain security guardrails, detections, and automation across our cloud and platform environments
Contribute to the security of containerized workloads, CI/CD systems, and cloud-native services
Support incident response and security investigations involving infrastructure, cloud platforms, identities, and engineering systems
Identify opportunities to reduce risk through better defaults, automation, hardening, and architectural improvements
Help improve security visibility through logs, detections, telemetry, and threat-informed analysis
Collaborate with stakeholders across engineering and security to prioritize and remediate infrastructure security findings
Contribute to internal security tools, processes, and standards that scale with the organization
Advocate for practical, durable security improvements that protect Commerce, our merchants, and their shoppers