Senior AWS Cloud Infrastructure Engineer (L3)

Techwave , we are always in an exercise to foster a culture of growth, and inclusivity. We ensure whoever is associated with the brand is being challenged at every step and is provided with all the necessary opportunities to excel in life. People are at the core of everything we do. Who are we? Techwave is a leading global IT and engineering services and solutions company revolutionizing digital transformations. We believe in enabling clients to maximize the potential and achieve a greater market with a wide array of technology services, including, but not limited to, Enterprise Resource Planning, Application Development, Analytics, Digital, and the Internet of things (IoT). Founded in 2004, headquartered in Houston, TX, USA, Techwave leverages its expertise in Digital Transformation, Enterprise Applications, and Engineering Services to enable businesses accelerate their growth. Plus, we're a team of dreamers and doers who are pushing the boundaries of what's possible. And we want YOU to be a part of it. Job Description Job Summary We are looking for an experienced AWS Cloud Infrastructure Engineer (L3) to join our Managed Services team. The engineer will be responsible for supporting and maintaining AWS cloud infrastructure, ensuring high availability, operational stability, incident resolution, infrastructure optimization, and continuous service improvement. The role requires strong hands-on experience in AWS Infrastructure services, troubleshooting production environments, implementing changes, and supporting enterprise cloud operations. Key Responsibilities Manage and support AWS cloud infrastructure in a Managed Services environment. Perform administration of AWS Compute, Storage, Networking, and Identity services. Troubleshoot infrastructure issues and restore services within agreed SLAs. Analyze performance bottlenecks and recommend infrastructure improvements. Monitor cloud environments and respond to alerts. Perform backup, recovery, and disaster recovery support. Execute infrastructure changes following change management processes. Perform root cause analysis (RCA) for major incidents. Support patching, maintenance, and planned infrastructure activities. Work closely with application, security, and customer teams during incident resolution. Create and maintain technical documentation and operational procedures. Participate in rotational on-call support when required. Required Technical Skills AWS Infrastructure Amazon EC2 Amazon EBS Amazon EFS Amazon S3 Amazon VPC Security Groups Route Tables Internet Gateway / NAT Gateway IAM (Users, Roles, Policies) Monitoring & Operations Amazon CloudWatch CloudTrail (basic administration) Infrastructure Monitoring Alert Management Backup & Recovery AWS Backup (preferred) Snapshot Management Recovery Procedures Operating Systems Linux Administration (RHEL / Amazon Linux / Ubuntu) Basic Windows Server Administration Networking TCP/IP fundamentals DNS DHCP VPN concepts Firewall basics Load Balancer concepts General Infrastructure Incident Management Problem Management Change Management Performance Analysis Capacity Planning Root Cause Analysis Preferred Skills Basic Infrastructure as Code exposure (Terraform or CloudFormation) Basic scripting knowledge (Shell or PowerShell) Experience working in an ITIL-based Managed Services environment. Experience supporting production AWS environments. Required Experience 5–8 years of Infrastructure Administration experience. Minimum 3 years of hands-on AWS Infrastructure support. Experience working in L2/L3 Cloud Operations. Experience handling production incidents and critical issues. Good understanding of cloud security best practices. Soft Skills Strong troubleshooting and analytical skills. Good communication skills. Ability to work independently. Customer-focused approach. Documentation skills. Ability to work in rotational shifts. Certifications (Preferred) AWS Certified Cloud Practitioner AWS Certified Solutions Architect – Associate AWS Certified SysOps Administrator – Associate (Preferred) Nice to Have Exposure to enterprise Managed Services. Knowledge of ITIL processes. Exposure to AWS cost optimization concepts. Experience working with global customers.