Cyber Security Engineer
1 day 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 Own1. 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 ForMust-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 principlesYour 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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Cyber Security Engineer
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
2 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...
