Technical Operations Lead – Cloud, Infrastructure & Security

Location: Vadodara (HQ) | Full time, On-site
Experience: 8–12+ years

About the Role

Phonon is looking for a hands-on Technical Operations Lead to own the security, reliability, scalability and cost efficiency of our technology infrastructure.

The role covers CloudOps, TechOps, DevOps, SecOps and FinOps, spanning our predominantly AWS-based cloud setting, Linux/network infrastructure and SIP/VoIP telephony platforms. The role will also lead resolution of complex cloud and production support issues.

Key Responsibilities
Own and operate highly available, secure and scalable AWS infrastructure.
Manage Linux, networking, VPNs, firewalls, load balancers and telephony infrastructure.
Own Asterisk, FreePBX, OpenSIPS, SIP/RTP, SIP trunks, IVRs, diallers and hosted PBX settings.
Drive DevOps, CI/CD, Infrastructure as Code, containerisation and operational automation.
Own infrastructure security, vulnerability management, patching, IAM, hardening, backup/DR and ISO 27001 readiness.
Establish monitoring,



alerting, incident management and RCA practices.
Drive FinOps, including AWS utilisation, rightsizing and cloud cost optimisation.
Lead complex production incidents and cloud/infrastructure support escalations.
Lead and mentor the Cloud/Technical Operations team.

Technology Stack
Cloud: AWS – EC2, VPC, RDS, S3, ELB/ALB, Auto Scaling, Route 53, CloudFront, IAM, CloudWatch, CloudTrail, Lambda, SNS
Linux & Networking: RHEL/CentOS/Ubuntu, TCP/IP, DNS, routing, NAT, VPN, firewalls, SSL/TLS, load balancing
Telephony: Asterisk, FreePBX, OpenSIPS, SIP, RTP, SIP Trunking, IVR, Diallers, Hosted PBX
DevOps: Terraform, CloudFormation, Ansible, AWS CLI, Docker, Kubernetes, Git, Jenkins/GitLab CI/GitHub Actions
Observability: Prometheus, Grafana, Loki, ELK/EFK, Nagios, CloudWatch
Security: IAM/RBAC, encryption, secrets management, vulnerability management, infrastructure hardening, ISO

📌 Cloud Infrastructure Lead Vadodara (India)
🏢 phonon, automating outcomes
📍 India