security engineer

RingCentral provides cloud-based communications services, including cloud PBX, cloud call center, cloud video and events, messaging, analytics, and flexible billing services.

• Manage and optimize WAF, DDoS protection, and IDS/EDR/XDR/CDR systems across global production environments;
• Identify and remediate cloud misconfigurations and policy violations;
• Lead security validation through DDoS drills, penetration testing support, and internal audits;
• Partner with NetOps on network segmentation and firewall rules;
• Guide Engineering and SRE teams in adopting secure operational best practices;
• Participate in investigations into security alerts and root cause analysis;
• Implement post-incident hardening;
• Participate in an on-call rotation to provide rapid response and continuous platform protection.

• 3+ Years of experience in Security/SecOps or a SOC environment;
• Hands-on multi-cloud expertise with AWS, GCP, Azure, or OCI;
• Solid understanding of TCP/IP, DNS, and HTTP/HTTPS protocols;
• Strong knowledge of Linux, Windows, Active Directory, and Kubernetes security;
• Proven experience managing enterprise firewalls, IDS/IPS, and EDR/XDR platforms;
• Understanding of attacker behavior, including the OWASP Top 10, lateral movement, and privilege escalation;
• Strong analytical mindset;
• Ability to collaborate effectively in a fast-paced, global team;
• Nice to have: red teaming basics or offensive security, Infrastructure as Code with Terraform or Ansible, Python or Bash scripting, OSCP, OSWE, CCNA/CCNP, specialized Cloud/Kubernetes security certifications.

• Comfortable office with corporate and team activities;
• Additional health and life insurance package;
• Employee Assistance Program;
• 25 Vacation days;
• On-site presence at the office 4 days a week is required.