Cyber Security Engineer
2 days ago
Cyber Security Engineer (1–3 Years Experience) ThetaZero is a boutique technology company specializing in secure, cloud-native, AI-powered solutions for global clients. We are looking for a hands-on Cybersecurity Engineer who can strengthen our internal and external security posture, take complete ownership of our cyber hygiene, and ensure our growing product ecosystem is secure by design. This is a role for someone who loves security, wants to work closely with founders and engineering teams, and is excited to build security from the ground up in a fast-scaling environment. What You Will Own 1. Internal Security (Operational Security) - Endpoint protection: manage Sophos EDR, triage alerts, and isolate devices when needed. - Email security: phishing protection, DMARC/SPF/DKIM validation, phishing simulations. - Ransomware defence: backups, isolation playbooks, recovery testing. - Daily monitoring: logs from endpoints, laptops, internal network, outbound traffic. 2. External Security (App, Cloud & Network Security) - Secure our Node.js, Express, React apps before production: - OWASP Top 10 - Secure headers - API hardening - Rate limiting - Dependency scanning (npm, pip, Snyk, etc.) - Secure databases (MongoDB Atlas / CosmosDB): RBAC, private endpoints, audit logs. - Cloud Security (AWS / Azure / GCP): - Secure cloud networks (VPC/VNET, subnets, routing, firewall rules). - Implement IAM security (least privilege, MFA, RBAC, access governance). - Protect secrets using Key Vault / KMS / Secret Manager. - Configure private endpoints, security groups, and network isolation. - Assist teams with secure CI/CD pipelines across any cloud environment. - Secure CI/CD and infrastructure pipelines. 3. Threat & Vulnerability Management - Track CVEs relevant to our tech stack (Node.js, React, MongoDB, Python, Azure). - Keep libraries and packages updated (dependency health monitoring). - Perform regular vulnerability scans (DAST/SAST) and coordinate fixes. 4. Compliance & Governance - Implement security policies, asset inventory, and access control process. - Help with audits, documentation, risk tracking, and incident response playbooks. Who We Are Looking For Must-Have Skills - Strong fundamentals in Application Security, Network Security, and Cloud Security. - Experience securing web apps (Node.js, React) and APIs. - Experience with Cloud (VNETs/VPCs, IAM, Key Vault, Private Endpoints, NSGs). - Good understanding of SIEM, log analysis, and incident response. - Hands-on with Linux, networking, firewalls, and endpoint protection tools. - Ability to monitor alerts and respond quickly with minimal guidance. Good-to-Have Skills - Knowledge of ISO 27001 / SOC2 - Experience with SAST/DAST tools - Exposure to Azure Sentinel, Wazuh, ELK, or similar SIEM - Understanding of DevSecOps principles Your Mindset - You treat security as your ownership — not a checklist. - You stay updated with CVEs and emerging threats. - You enjoy investigating root causes, not just fixing symptoms. - You communicate clearly with developers, founders, and Ops teams. What You’ll Get at ThetaZero - Build security foundations for multiple cloud-native, AI-first products. - Freedom to set standards, introduce tools, and lead cyber initiatives. - A fast-paced, respectful environment where security is truly valued.
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3 days ago
Chennai, India ThetaZero Private Limited Full timeCyber Security Engineer (1–3 Years Experience)ThetaZero is a boutique technology company specializing in secure, cloud-native, AI-powered solutions for global clients.We are looking for a hands-on Cybersecurity Engineer who can strengthen our internal and external security posture, take complete ownership of our cyber hygiene, and ensure our growing...
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Cyber Security Engineer
3 days ago
Chennai, India ThetaZero Private Limited Full timeCyber Security Engineer (1–3 Years Experience)ThetaZero is a boutique technology company specializing in secure, cloud-native, AI-powered solutions for global clients.We are looking for a hands-on Cybersecurity Engineer who can strengthen our internal and external security posture, take complete ownership of our cyber hygiene, and ensure our growing...
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Cyber Security Engineer
3 days ago
Chennai, India ThetaZero Private Limited Full timeCyber Security Engineer (1–3 Years Experience)ThetaZero is a boutique technology company specializing in secure, cloud-native, AI-powered solutions for global clients.We are looking for a hands-on Cybersecurity Engineer who can strengthen our internal and external security posture, take complete ownership of our cyber hygiene, and ensure our growing...
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1 day ago
Chennai, India ThetaZero Private Limited Full timeCyber Security Engineer (1–3 Years Experience)ThetaZero is a boutique technology company specializing in secure, cloud-native, AI-powered solutions for global clients.We are looking for a hands-on Cybersecurity Engineer who can strengthen our internal and external security posture, take complete ownership of our cyber hygiene, and ensure our growing...
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Chennai, India ThetaZero Private Limited Full timeCyber Security Engineer (1–3 Years Experience) ThetaZero is a boutique technology company specializing in secure, cloud-native, AI-powered solutions for global clients. We are looking for a hands-on Cybersecurity Engineer who can strengthen our internal and external security posture, take complete ownership of our cyber hygiene, and ensure our growing...
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Cyber security engineer
1 day ago
Chennai, India ThetaZero Private Limited Full timeCyber Security Engineer (1–3 Years Experience)Theta Zero is a boutique technology company specializing in secure, cloud-native, AI-powered solutions for global clients.We are looking for a hands-on Cybersecurity Engineer who can strengthen our internal and external security posture, take complete ownership of our cyber hygiene, and ensure our growing...
