(Sr.) SecOps Infrastructure Engineer (CloudOps)

Say hello to opportunities. If you’re looking to be part of what’s next in communication, you’re in the right place. At RingCentral, we believe the best customer experiences happen when humans and AI work together. Our agentic voice AI portfolio—AIR, AVA, and ACE—brings together automation, assistance, and insights across the entire conversation lifecycle. The result? More seamless, intelligent experiences for businesses everywhere. With $2.5B+ in ARR and $250M invested in R&D annually, we’re building the future of AI-powered business communications. Currently we are looking for a (Senior) SecOps Infrastructure Engineer (CloudOps) to fit in our Security Operations division and improve our security posture affecting all provided services to RingCentral customers.   Role Mission Maintain the resilience of a massive, AI-integrated multi-cloud ecosystem by proactively managing advanced security controls. You aren't just supporting tools; you are defending a high-load platform processing billions of minutes of traffic. Your focus is to eliminate infrastructure vulnerabilities and ensure secure, scalable operations through continuous monitoring and cross-team collaboration. This role requires on-site presence at our office 4 days a week to support effective collaboration and teamwork. Key responsibilities: Cloud Defense & Runtime Security: Manage and optimize WAF, DDoS protection, and IDS/EDR/XDR/CDR systems across a global production environment and beyond. Posture Management & Assurance: Identify and remediate cloud misconfigurations and policy violations. Lead security validation through DDoS drills, penetration testing support, and internal audits. Infrastructure Collaboration: Partner with NetOps on network segmentation and firewall rules, and guide Engineering/SRE teams in adopting secure operational best practices. Incident Response & SOC L2/L3 Support: Participate in investigations into security alerts, root cause analysis, and implement post-incident hardening. On-Call Rotation: Participate in an on-call rotation to provide rapid response capabilities and continuous platform protection for more than 200+ engineering and SRE teams. Key requirements: Experience: 3+ years in Security/SecOps or a SOC environment with hands-on multi-cloud expertise (AWS, GCP, Azure, or OCI). Technical Depth: Solid understanding of TCP/IP, DNS, and HTTP/HTTPS protocols. Strong knowledge of Linux, Windows, Active Directory, and Kubernetes security. Tooling Mastery: Proven experience managing Enterprise Firewalls, IDS/IPS, and EDR/XDR platforms. Threat Knowledge: Understanding of attacker behavior, including the OWASP Top 10, lateral movement, and privilege escalation. Soft Skills: Strong analytical mindset with the ability to collaborate effectively in a fast-paced, global team.   Nice to have: Offensive Security: Background in red teaming basics or offensive security. Automation: Experience with Infrastructure as Code (Terraform/Ansible) and scripting (Python/Bash). Certifications: OSCP, OSWE, CCNA/CCNP, specialized Cloud/Kubernetes security certifications. What we offer:   Well-coordinated professional team. Cutting edge technologies, interesting and challenging tasks, dynamic project, great opportunities for self-realization, professional and career growth. Additional Health and Life Insurance Package. Employee Assistance Program. 25 vacation days. 102,26 EUR/200 BGN Digital Food Vouchers via EdenRed and their application 61,36 EUR/120 BGN Gross as part of the salary for Working Expenses Allowance   About RingCentral RingCentral is a global leader in agentic voice AI–powered business communications, delivering an integrated platform for business phone, SMS, contact center, workforce engagement management, video collaboration, and messaging. As the communications layer connecting businesses and customers, RingCentral is the front door of business communication and is in the advantageous position to apply AI at every phase of the conversation journey — before, during, and after each interaction. Our agentic AI portfolio includes autonomous voice-first AI agents that automate calls, assist in the moment, and analyze every interaction – enabling businesses to work smarter, respond faster, and connect more meaningfully with their customers. Visit ringcentral.com to learn more. RingCentral is an equal opportunity employer that truly values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.   #LI-JW1