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 Cloud Ops, Tech Ops, Dev Ops, Sec Ops and Fin Ops, spanning our predominantly AWS-based cloud environment, Linux/network infrastructure and SIP/Vo IP 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, Free PBX, Open SIPS, SIP/RTP, SIP trunks, IVRs, diallers and hosted PBX environments.

Drive Dev Ops, 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 Fin Ops, 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,



Cloud Front, IAM, Cloud Watch, Cloud Trail, Lambda, SNS* Linux & Networking: RHEL/Cent OS/Ubuntu, TCP/IP, DNS, routing, NAT, VPN, firewalls, SSL/TLS, load balancing* Telephony: Asterisk, Free PBX, Open SIPS, SIP, RTP, SIP Trunking, IVR, Diallers, Hosted PBX* Dev Ops: Terraform, Cloud Formation, Ansible, AWS CLI, Docker, Kubernetes, Git, Jenkins/Git Lab CI/Git Hub Actions* Observability: Prometheus, Grafana, Loki, ELK/EFK, Nagios, Cloud Watch* Security: IAM/RBAC, encryption, secrets management, vulnerability management, infrastructure hardening, ISO 27001 Candidate Profile* 10–12+ years across cloud infrastructure, Linux, networking, Dev Ops and technical operations.

Solid hands-on experience managing AWS production environments.

Strong Linux and networking fundamentals with experience operating high-availability systems.

Telecom/SIP/Vo IP experience is strongly preferred.

Strong troubleshooting skills across cloud → network → Linux → application → telephony.

- Experience leading technical teams and handling critical production incidents.

Preferred Certifications: RHCE and CCNA; AWS certification is an advantage. We are looking for a hands-on technology operations owner who can troubleshoot critical infrastructure issues while building a secure, reliable, scalable and cost-efficient operations function.

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