Sr. Cloud/Data Centre Security Engineer

<p>About Us:<br/>We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.</p><p><br/>How We Work:<br/>At Proofpoint, you’ll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE core values: Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities, Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in execution and impact.</p><p><b><u>Corporate Overview</u></b><br/>Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.<br/> </p><p>We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That’s why we’re a leader in next-generation cybersecurity. Protection Starts with People.  #Proofpoint.<br/><br/><br/><b>The Role</b></p><p>We are looking for a highly skilled and experienced Senior Security Engineer with a strong focus on Cloud/Data Centre Security Automation and DevSecOps to join our Security Engineering team.<br/> </p><p>In this role, you will lead initiatives to design, build, and scale cloud/data centre security automation from first principles, enabling secure-by-default infrastructure and secure software delivery pipelines. You will also bring deep hands-on experience with tools such as Tenable, Wiz, Veracode, Splunk and apply your expertise in scripting, <span>infrastructure-as-code</span> (IaC), and cloud-native security practices to improve posture, visibility, and response.<br/> </p><p>Based in Cork, Ireland this key role will drive key Cloud/Data Centre security initiatives for Proofpoint Product portfolio. This role offers a unique opportunity to own security automation strategy, shape DevSecOps pipelines, and influence the future of scalable security tooling in a fast-moving engineering environment.</p><p><br/><b>Key Responsibilities</b></p><ul><li><p>Design and build automated cloud security controls using Terraform, CI/CD, and scripting (Python, Go)</p></li><li><p>Develop and scale <span>infrastructure-as-code</span> (IaC) security validation pipelines</p></li><li><p>Integrate and manage platform such as Tenable, Wiz, Veracode, Splunk etc. to orchestrate and automate security scans across infrastructure and application layers</p></li><li><p>Architect, build, and maintain security data pipelines to ingest, normalize, and analyze telemetry at scale</p></li><li><p>Build and support tools for asset inventory management, EDR deployment at scale, and compliance-driven discovery</p></li><li><p>Develop custom logic for automating remediation and enrichment of scan results</p></li><li><p>Collaborate with Engineering, DevOps, and GRC teams to integrate security controls into the SDLC and cloud deployments</p></li><li><p>Lead or contribute to threat modelling, risk assessments, and architecture reviews</p></li></ul><p></p><p><b>What You Bring to the Team</b></p><ul><li><p>Extensive experience in Security Engineering, Cloud Security, or DevSecOps roles</p></li><li><p>Thorough understanding of AWS, Azure, or GCP security models, IAM, and threat surfaces</p></li><li><p>Proven ability to build cloud-native security automation using Terraform (IaC), CI/CD tools and pipelines, Python/Go/Bash</p></li><li><p>Compliance knowledge with a grasp of NIST 800-53, and other regulatory frameworks</p></li><li><p>Experience building Enterprise-scale Asset management systems or platforms, EDR tooling deployment at scale, Security data pipelines and analytics frameworks</p></li><li><p>Experience with API-based integrations, webhooks, event-driven security automation</p></li><li><p>Excellent communication and collaboration skills with the ability to drive cross-functional initiatives</p></li></ul><p></p><p><b>Beneficial Experience</b></p><ul><li><p>Experience with SIEMs, SOAR, or threat intel platforms</p></li><li><p>Experience with container security (e.g., Docker, Kubernetes, Falco, Trivy)</p></li><li><p>Familiarity with Secret Management (Vault, AWS Secrets Manager)</p></li><li><p>Exposure to managing Network IPS/IDS systems (such as Stamus/Suricata)</p></li><li><p>Exposure to compliance programs such as FedRAMP, SOC 2, or PCI-DSS</p></li><li><p>Certifications: CISSP, CSSLP,