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Staff Security Engineer, Cloud Security Engineering
ProofpointCork, Ireland
Onsite
Full-time
It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.
Corporate Overview
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.
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.
The Role
We are looking for a Staff Security Engineer with deep expertise in Cloud Security Engineering across AWS, Azure, and GCP. This role will focus on securing cloud environments, managing asset inventory and vulnerabilities, and driving application security and penetration testing initiatives. As a key member of our security team, you will play a strategic and hands-on role in ensuring our cloud-native and distributed systems are secure by design.
Based in Cork, this key role will drive key product and application security initiatives for Proofpoint Product portfolio.
Key Responsibilities
• Cloud Security: Architect, implement, and maintain security controls across AWS, Azure, and GCP environments
• Asset Inventory: Develop and manage systems to continuously track and secure cloud and on-prem assets
• Vulnerability Management: Identify, prioritize, and drive remediation of vulnerabilities across infrastructure and applications
• Application Security: Perform code reviews, threat modeling, and support DevSecOps integration in CI/CD pipelines
• Penetration Testing: Plan and conduct internal penetration testing and coordinate with third-party testers
• Automation & Tooling: Build security tooling and automation to enhance detection and response capabilities
• Collaboration: Work with engineering and DevOps teams to embed security best practices across services and deployments
• Compliance Support: Ensure alignment with internal policies, industry best practices, and regulatory requirements.
What You Bring to the Team
• Extensive years’ experience in cybersecurity, with deep experience in cloud and application security
• Cloud Platforms: Strong hands-on experience with AWS, Azure, and GCP security tools and architecture
• Technical Expertise: Knowledge of network protocols, identity and access management, encryption, and secrets management
• Tools & Languages: Experience with vulnerability scanners, SAST/DAST tools, Infrastructure-as-Code (Terraform, CloudFormation), and languages such as Python or Go
• Certifications: Relevant certifications (e.g., AWS Security Specialty, GCP Professional Cloud Security Engineer, CISSP, OSCP) are a plus
• Communication: Strong written and verbal communication skills; able to influence and educate technical and non-technical stakeholders.
Why Proofpoint
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We’re a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly ‘culture-add’, and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint
#LI-CB1
If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!
Staff Security Engineer, Cloud Security Engineering
Location
Cork, Ireland
Workplace
Onsite
Type
Full-time
