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 seasoned Staff Security Engineer to lead security initiatives across our Cloud, Enterprise IT infrastructure and network security architecture. This role is critical to ensuring the confidentiality, integrity, and availability of our corporate systems and data. The ideal candidate will bring a strategic mindset, hands-on expertise, and the ability to work across IT, security, and business teams to strengthen our overall security posture. Based in Cork, this key role will drive key product and application security engineering initiatives for Proofpoint Product portfolio. **Key Responsibilities** • Enterprise IT Security: Design and implement security controls for endpoint management, identity and access management (IAM), mobile device management (MDM), and SaaS platforms • Network Security: Develop and manage secure network architectures including firewalls, VPNs, IDS/IPS, NAC, and segmentation strategies • Zero Trust & Access Control: Architect and enforce Zero Trust principles across networks and enterprise systems • Monitoring & Incident Response: Lead detection and response capabilities for enterprise and network threats, including SIEM tuning and security analytics • Risk & Compliance: Conduct risk assessments, policy enforcement, and ensure compliance with standards such as NIST, ISO 27001, SOC 2, and internal security policies • Automation & Hardening: Automate infrastructure security tasks and enforce system hardening and configuration baselines • Collaboration & Leadership: Partner with IT, legal, compliance, and business stakeholders to drive security strategy and execution • Mentorship: Guide junior engineers and IT team members in secure practices and technology choice **What You Bring to the Team** • Extensive IT security and network engineering roles, with increasing responsibility • Technical Skills: Deep knowledge of enterprise IT environments, Active Directory, networking protocols, VPNs, firewalls, endpoint security, and patch management • Security Tools: Familiarity with SIEMs, EDR solutions, vulnerability scanners, MDM platforms, and network security appliances • Certifications: Relevant certifications (e.g., CISSP, CISM, CCNP Security, GIAC) are a strong plus • Soft Skills: Excellent problem-solving, communication, and stakeholder management skills. **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!_ Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams. To view additional awards, please visit www.proofpoint.com/us/news#awards Proofpoint thrives on the invaluable contributions of our diverse workforce, which encompasses a kaleidoscope of lived experiences, thoughts, perspectives, and professional expertise. We attribute much of our success to our people, who are at the core of our organization and embody our people-centric ethos. We hire the most innovative minds globally to safeguard our customers’ sensitive data and intellectual property. Our talented workforce develops and leverages our advanced technology, combining their expertise to provide comprehensive protection against threat actors and mitigate the risks posed by both malicious and negligent employees. Cyberattacks have the potential to disrupt access to vital resources such as energy, water, transportation, healthcare, and financial services. At Proofpoint, our dedicated team works tirelessly to ensure world-class cyber resilience, protecting approximately 8,000 enterprise customers worldwide. We are committed to creating a diverse, equitable, and inclusive environment. We work every day to ensure that our employees feel that they are in a community that celebrates their unique identity, cultivates their sense of belonging, and invests in their professional growth. We have 9 employee-led employee inclusion groups which help support both employees and our organization by providing opportunities to network, discuss career and cultural development and uplift the corporate culture to create a more inclusive workplace. At Proofpoint, we have a passion for protecting people, data, and brands from today’s advanced threats and compliance risks. We hire the best people in the business to: + Build and enhance our proven security platform + Blend innovation and speed in a constantly evolving cloud architecture + Analyze new threats and offer deep insight through data-driven intel + Collaborate with customers to help solve their toughest security challenges   We are singularly devoted to helping our customers protect what matters most. That’s why we’re a leader in next-generation cybersecurity—and why more than half of the Fortune 100 trust us as a security partner. Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability. Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.