Infrastructure L3 Engineer

Designation: L3 Infrastructure Engineer – AWS / Cloud & Infrastructure

Payroll: SVN Systech India Pvt. Ltd.
Client: Confidential
**Location:**Bangalore
Work Model: Onsite
Experience: 8–10+ Years
Level: L3
Shift: 6 Days and Rotational Shift

Role Overview

We are looking for an experienced L3 Infrastructure Engineer with strong hands-on expertise in AWS Cloud, along with working knowledge of Azure, VMware, Hyper-V, Windows/Linux servers, storage, backup, disaster recovery and enterprise network infrastructure. The candidate will be responsible for advanced troubleshooting, L3 escalations, major incident management, RCA, cloud operations and infrastructure projects.

Important Note

Candidates must have strong practical AWS Cloud experience along with enterprise infrastructure troubleshooting capabilities. Experience in Azure, VMware, Hyper-V, Windows/Linux administration, networking and L3 incident management will be an added advantage.

Preferred Certification: Any one certification is preferred.

Primary Skills

• AWS Cloud – Strong hands-on experience (Mandatory)
• Microsoft Azure
• VMware vSphere / ESXi
• Hyper-V Virtualization
• Windows Server & Linux Administration
• Cloud Infrastructure, Storage, Backup & Disaster Recovery
• Active Directory / Entra ID
• Networking, Firewall, VPN & DNS/DHCP

Key Responsibilities

• Provide L3 technical support and advanced troubleshooting across AWS Cloud and enterprise infrastructure.
• Manage and troubleshoot AWS services, including EC2, VPC, IAM, S3, EBS, ELB/ALB, Auto Scaling, CloudWatch and Route 53.
• Handle AWS infrastructure provisioning, monitoring, performance optimization, security, access management and cost optimization.
• Troubleshoot AWS networking, connectivity, compute, storage and availability-related issues.
• Support Azure cloud services, virtual machines, networking, storage and cloud operations.
• Manage and troubleshoot VMware vSphere, ESXi, vCenter and Hyper-V environments.
• Administer Windows Server and Linux environments, including patching, upgrades, hardening and performance tuning.
• Manage infrastructure backup, restoration, disaster recovery and business continuity activities.
• Handle Active Directory, Group Policy, Entra ID, authentication and access-related issues.
• Troubleshoot routing, switching, firewalls, VPN, load balancers, DNS, DHCP and network connectivity.
• Lead critical P1/P2 incident resolution, root cause analysis (RCA) and corrective/preventive actions.
• Perform vulnerability remediation, security configuration reviews and infrastructure compliance activities.
• Support cloud migration, infrastructure upgrades, automation and technology transformation projects.
• Provide L3 escalation support to L1/L2 teams and coordinate with OEMs, vendors and cloud support teams.
• Execute approved changes, maintain SOPs/runbooks and participate in 24x7/on-call support as required.

Mandatory Requirements

• 8–10+ years of experience in enterprise IT infrastructure support and administration.
• Strong hands-on experience in AWS Cloud is mandatory.
• Good knowledge of AWS compute, networking, storage, IAM, monitoring and security services.
• Experience in advanced troubleshooting, L3 escalation, major incident management and RCA.
• Hands-on experience in Windows Server and/or Linux administration.
• Experience with VMware virtualization and/or Hyper-V.
• Knowledge of Azure cloud infrastructure and enterprise networking.
• Experience in patch management, vulnerability remediation, backup and disaster recovery.
• Understanding of Active Directory, DNS, DHCP, VPN, firewalls and routing/switching.
• Good communication, documentation and stakeholder management skills.

Good to Have

• AWS certifications such as AWS Certified Solutions Architect – Associate or AWS Certified SysOps Administrator – Associate.
• Azure administration and cloud infrastructure experience.
• Experience with OCI, Proxmox and hybrid/multi-cloud environments.
• Knowledge of Terraform, CloudFormation, PowerShell, Python or Ansible automation.
• Experience with AWS CloudWatch, CloudTrail, AWS Config and security monitoring.
• Knowledge of Intune, SCCM, Microsoft 365 and Entra ID.
• Experience with enterprise backup tools, DR solutions and infrastructure monitoring platforms.
• Knowledge of Zero Trust architecture and Entra Private Access.