Home

Narendar Kanala - DevOps/SRE Engineer

[email protected]

Location: Columbus, Georgia, USA

Relocation: yes

Visa: H1B

PROFESSIONAL SUMMARY Results-driven Sr. DevOps/SRE Engineer with 18+ years of experience architecting, automating, and operating mission-critical infrastructure across AWS and Azure in healthcare, aviation, and telecom. Expert in end-to-end CI/CD pipeline engineering, infrastructure-as-code (IaC), container orchestration (Kubernetes, Docker), and SRE disciplines including SLO/SLA management, incident response, and observability. Proven track record as a cross-functional lead owning the intersection of development, operations, and quality driving reliability, reducing toil, and accelerating release velocity through Python and Shell automation at enterprise scale. AREAS OF EXPERTISE Site Reliability Engineering DevOps CI/CD Infrastructure as Code Cloud Architecture AWS Azure Kubernetes Docker Terraform Ansible Jenkins GitLab GitHub Actions Python Automation Build & Release Management Test Automation SRE Observability Incident Response Disaster Recovery Microservices Agile Scrum MLOps API Integration Security Scanning Release Engineering CORE COMPETENCIES & TECHNICAL SKILLS Cloud Platforms: AWS (EC2, VPC, IAM, RDS, Lambda, S3, DynamoDB, EKS, CloudWatch, Route 53, CloudFront, CloudTrail, SNS, SQS), Microsoft Azure, GCP CI/CD & DevOps Tools: Jenkins, GitLab CI/CD, GitHub Actions, Azure DevOps, AWS CodePipeline, Bamboo, Hudson, Cruise Control, Harness Infrastructure as Code: Terraform, Ansible, AWS CloudFormation, AWS CDK, Puppet, YAML Containers & Orchestration: Kubernetes (EKS, OpenShift), Docker, Helm, Vagrant SRE & Observability: Splunk, Dynatrace, AppDynamics, CloudWatch, Prometheus, Grafana, Sumo Logic, PagerDuty, Incident Management, SLO/SLA, MTTR Reduction Scripting & Languages: Python, Shell/Bash, Perl, Go (GoLang), Java, C, C++, C#, JavaScript, PowerShell, SQL Test Automation: Selenium, Robot Framework, Appium, Postman, SoapUI, GTEST/GMOCK, Selenium Grid, QTP Security & Code Quality: SonarQube, Veracode, FindBugs, OWASP, IAM Policies, VPC Security Groups, Secrets Management Build Tools: Maven, ANT, Gradle, Make, NPM, NuGet, PIP, MSBuild, Nexus, Artifactory Version Control & SCM: Git, GitHub Enterprise, GitLab, SVN, IBM ClearCase, CMVC, Accura Databases: Oracle, MySQL, Snowflake, DynamoDB, DocumentDB, RDS ITSM & Agile: Jira, ServiceNow, QTEST, Version1, Agile/Scrum, Kanban, Change Management AI/ML Adjacent: Python ML libraries, AWS Lambda (serverless AI), API integration testing, ETL pipelines, Snowflake data workflows PROFESSIONAL EXPERIENCE Sr. DevOps / SRE Engineer Centene Corporation Healthcare / Insurance | Nov 2024 Present Architect and maintain multi-region AWS infrastructure (VPC, EC2, IAM, RDS, Lambda, DynamoDB, DocumentDB, EKS) supporting large-scale healthcare microservices with high-availability and disaster recovery patterns. Engineer and operate CI/CD pipelines using GitLab CI, Jenkins, and AWS SAM, enabling fully automated build, test, security scan, and deployment across Dev, QA, and Production environments. Implement infrastructure-as-code (IaC) using Terraform and CloudFormation, ensuring reproducible, version-controlled, and auditable cloud environment provisioning. Containerize and orchestrate microservices using Kubernetes (EKS) and Docker; govern cluster health, auto-scaling policies, rolling deployments, and resource optimisation. Configure NGINX reverse proxies and AWS load balancers to optimise traffic routing, enable SSL termination, and maximise application availability. Drive end-to-end observability using Dynatrace, Splunk, and CloudWatch; build dashboards, define alerting thresholds, and maintain on-call runbooks to reduce MTTR. Migration done Ingresses controller from Nginx to Traefik on TPL Clusters. Automate operational toil and system health reporting via Python and Shell scripting, reducing manual intervention across deployment and monitoring workflows. Lead incident response triage, root cause analysis (RCA), and post-incident reviews; implement corrective actions to improve SLO adherence and system reliability. Integrate automated security scanning (Veracode, SonarQube) and compliance quality gates into CI/CD pipelines following DevSecOps best practices. Collaborate cross-functionally with development, QA, security, and platform teams to enforce release governance and support microservices deployment strategies. Technologies: GitLab CI, Jenkins, Terraform, AWS (EKS, RDS, Lambda, SAM, DynamoDB), Kubernetes, Docker, Python, Shell, Go, Dynatrace, Splunk, CloudWatch, ServiceNow, Jira, QTEST, Postman Sr. Automation Engineer Aflac Insurance / Financial Services | Nov 2019 Jul 2024 Designed and delivered end-to-end Python test automation frameworks across 18 enterprise applications, eliminating manual regression cycles and standardising test execution. Served as QA Lead and sole automation owner across the engineering organisation; maintained all test artifacts and documentation for regulatory audit compliance. Built and maintained Jenkins and Azure DevOps CI/CD pipelines with integrated automated test execution, environment provisioning, and release gates. Architected Git branching strategy including feature, release, and hotfix workflows; governed merge policies and performed post-release trunk reconciliation. Automated web application regression using Selenium and Robot Framework, reducing end-to-end test cycle time across bi-weekly release cadences. Monitored and triaged production incidents using Dynatrace, Splunk, and AppDynamics; resolved application performance issues within SLA windows. Coordinated multi-environment release deployments (Dev QA UAT Production) in partnership with project managers, architects, and DBA teams. Provisioned and maintained AWS cloud infrastructure (VPC, EC2, S3, RDS, IAM, CloudFormation) and Azure environments using automation and IaC scripts. Acted as single point of contact for all DevOps and QA automation decisions across cross-functional engineering and operations teams. Technologies: Python, Selenium, Robot Framework, Jenkins, Azure DevOps, Git, GitHub, AWS (EC2, S3, RDS, IAM), Azure, Dynatrace, Splunk, AppDynamics, Jira, ServiceNow, Version1, QTEST, C#, Shell Sr. DevOps / Automation Engineer Hawaiian Airlines Aviation | Nov 2018 Nov 2019 Engineered and maintained multi-environment CI/CD pipelines using Bamboo and Jenkins, automating build, test, and deployment workflows for airline-critical web platforms. Owned Azure infrastructure as single point of contact; automated provisioning and configuration management using Ansible and ARM templates. Validated REST and SOAP APIs using Postman and SoapUI; automated HTTPS status checks and UI/API integration validation across blue/green environments. Architected AWS network topology including VPCs, public/private subnets, NAT gateways, and bastion hosts distributed across multiple availability zones. Implemented infrastructure-as-code using Puppet and Ansible to standardise configuration management across cloud and on-premises environments. Administered Git repositories across multiple project teams: enforced branching policies, resolved merge conflicts, and governed release branch lifecycle. Technologies: Jenkins, Bamboo, GitHub Actions, Harness, Ansible, Puppet, Git, Nginx, AWS (VPC, EC2, CloudFormation), Azure, Postman, SoapUI, Maven, Perl, Shell, Java, Angular Sr. DevOps Engineer / Build Master Virgin America & Alaska Airlines Aviation | Jun 2015 Oct 2018 Owned end-to-end software release management for airline web applications, governing build, test, and deployment pipelines from development through production. Designed and maintained Jenkins CI/CD pipelines automating compilation, packaging, environment configuration, and deployment for multi-service web platforms. Authored Maven build scripts and Shell automation to streamline build processes and enforce environment-specific deployment configurations. Integrated SonarQube, FindBugs, and Selenium Grid into CI pipelines to enforce code quality gates and enable parallel cross-browser regression testing. Led Azure infrastructure migration using VSTS; maintained AWS environments including EC2, S3, ELB, Auto Scaling Groups, and IAM. Deployed and managed applications on Apache Tomcat and IIS application servers; maintained static content delivery via Apache web server. Technologies: Jenkins, Git, GitHub, Maven, Nexus, SonarQube, Selenium Grid, Tomcat, AWS (EC2, S3, ELB, IAM), Azure, VSTS, Perl, Shell, Oracle, Splunk, Sumo Logic, Java, C# Sr. Build & Release Engineer / DevOps Nokia Telecommunications | Sep 2014 May 2015 Administered SVN version control repositories including access control, branching, tagging, and post-release trunk merges for multiple concurrent project teams. Configured and maintained Jenkins CI; managed plugins, user permissions, master/slave build topology, and automated deployment pipelines. Automated LTE firmware build generation, validation, and device configuration for Nokia network products in on-premises lab environments. Developed C++ automated test cases using GTEST/GMOCK; identified and resolved memory leaks through GDB debugging and static analysis. Authored release notes, deployment runbooks, and SCM process documentation for every scheduled production release. Technologies: SVN, Git, Jenkins, Python, Perl, Shell, GTEST, GMOCK, GDB, Oracle, AWS Build & Release Engineer Xerox Enterprise Technology | Jul 2010 Aug 2014 Executed biweekly build and release cycles across Dev, QA, UAT, and Production; coordinated cross-team releases with development, QA, testing, and DBA stakeholders. Automated build and deployment workflows using ANT scripts, Perl, and Shell, replacing manual steps and reducing deployment errors. Developed and executed Oracle DML scripts with application code dependencies, ensuring data consistency across environment promotions. Ported C/C++ codebase from Solaris to Linux for the FFPS migration project; investigated and resolved nightly build failures. Maintained UNIX server administration for the build pipeline; managed application deployments to WebSphere and Tomcat application servers. Technologies: ANT, Hudson, SVN, Shell, Perl, C, C++, Oracle, UNIX, WebSphere, Tomcat, QTP, AWS Configuration Manager / Build Engineer Motorola Mobile / Embedded Systems | Mar 2006 Mar 2010 Managed full CI build and deployment lifecycle for Java applications across Dev, QA, and UAT environments using Hudson. Authored Perl scripts for build generation, sanity testing, and automated firmware release packaging for mobile handset products. Developed C/C++ wireless patch application and performed firmware flashing, boot loader verification, and device validation. Created WLST automation to deploy WAR/EAR artifacts to WebLogic, eliminating manual server restart procedures. Directed release management coordination calls with developers, testers, and DBAs; reported project milestone status to management. Technologies: ClearCase, Hudson, Linux, Perl, Shell, C, C++, WLST, WebLogic, GDB, DBX, Unix Software Engineer IBM Enterprise Technology | May 2005 Feb 2006 Developed C/C++ test cases for malloc policy validation on IBM AIX; performed kernel functionality testing across 32-bit and 64-bit architectures. Generated AIX product builds and verified OS baseline functionality using CMVC and ClearCase version control systems. Technologies: AIX, CMVC, ClearCase, C, C++, Shell, Unix, Linux Kernel, DBX EDUCATION Master of Computer Applications (MCA) | IGNOU | 2007 Bachelor of Computer Applications (BCA) | Kakatiya University | 2003 CERTIFICATIONS & PROFESSIONAL DEVELOPMENT AWS Certified DevOps Engineer / Certified Kubernetes Administrator (CKA) / HashiCorp Terraform Associate / Python Keywords: cprogramm cplusplus csharp continuous integration continuous deployment quality analyst artificial intelligence machine learning user interface business intelligence sthree golang