Cloud Computing & DevOps Team Expertise
Take your Cloud Experience to next level
ZimliTech cloud services are vendor neutral, we weighs the pros and cons of all major clouds to help you find the best solution for your needs. As cloud consulting is a go to service for organizations looking to establish a robust cloud infrastructure or improve their existing cloud environment. We helps with everything around cloud and DevOps.
SUMITH SREEDHAR - Team Lead DevOps
Contact: +92 306 5454737 E-Mail: [email protected]
- Excellent across Cloud and Infrastructure components (server, storage, network, data, & applications) to deliver end-to-end Cloud architectures & designs.
- Proficient in managing servers and providing prompt & timely 24x7 support to clients on various issues while managing global helpdesk and training team members on the same.
- Expertise in creating Cloud platform architecture documents detailing client’s vision on AWS infrastructure and platform services support for overall application architecture; providing Cloud solutions with complete security & compliance controls, including data sovereignty, day-to-day administration, and governance; history of successful implementation of AWS or hybrid cloud architecture solutions.
- Adept in large-scale online service architectures (high availability, performance, load balancing, DNS, LAMP, CDN, etc.)
- Led system administration, architectural design, monitoring, and operational support for Unix/Linux production environment
- Skilled in writing Ansible playbooks, automation with Terraform, Gitlab administration, installing software on machines with ansible and verifying & deploying playbooks to ansible clients
- Experienced with Linux, Bash scripting, AWS, Git, CI/CD, Docker, Terraform, Ansible, SQL & NoSQL
- Strong knowledge of best practices and IT operations deploying highly-available, scalable and secure applications
- Excellent communication & interpersonal skills with strong aptitude in resolving complex networking, hardware and software related issues
CORE COMPETENCIES
- AWS Solution Architecture
- Cloud Infrastructure optimization
- Linux System & Network Administration
- Windows server Administration
- Software Support & Installation
- Automation & Configuration
- Docker management
- Quality Assurance
- Team Management
- Infrastructure as code
PROFESSIONAL CERTIFICATIONS
✓ Certified Kubernetes Administrator
✓ Amazon Certified Solutions Architect -Associate
✓ RedHat certified Engineer
✓ HashiCorp Certified Terraform Associate
IT SKILLS
• Good hands-on knowledge of Source Code Management (Version Control System) tools like Git and Subversion
• Proficient in developing Continuous Integration/ Delivery pipelines
• Experience with automation/ integration tools like Jenkins
• Knowledge of major cloud service providers, like AWS, Azure etc.
• Good understanding of Infrastructure as Code (IaC), and configuration management using Ansible.
• Hands-on knowledge of software containerization platforms like Docker and container orchestration tools like Kubernetes and Docker Swarm
• Proficient with various DevSecOps tools: GitHooks & Talisman, Mutation tests – PIT, SAST – SonarQube, Dependency check, Trivy Scan & OPA ConfTest for Docker, DAST – OWASP ZAP, Falco, Kube-scan, Integration tests.
• Proficient with Kubernetes Operations & Security tools such as CIS Benchmarking and Kube-bench, Istio
Experience
• Sep 2020 – Present: Remote DevOps Engineer
Recent Projects:
Customer Requirement (1): Configure Grafana Loki multi tenant setup in AWS EKS clusters belong to separate AWS accounts.
•Actively involved in creating:
o Install full loki stack (Grafana, Loki & promtail) in AWS Management account
o Install promtail agent in tenant EKS clusters, scraping the sample app logs and reporting to the central loki running in the management account cluster. Then that loki instance is used as a data source for Grafana.
o RBAC is implemented in Grafana to allow tenants to only see their logs when they log in to Grafana but allow the client as the admin to see the entire data.
Tools Used
AWS EKS, PrivateLink, Network Load Balancer, S3, Helm, Grafana, Loki, promtail
Customer Requirement (2): This is a big data project automation. NASDAQ Sharadar data needs to be retrieved, then process and place in the data lake. Then calculations are running in the data on a daily basis, sync processed data to AWS Aurora Postgres which is available for the end users.
• Actively involved in creating:
o Building docker containers to retrieve NASDAQ Sharadar data
o Extract & transform (pivoting & incremental) data using AWS Glue & load them in Redshift
o Calculations are running in the Redshift DB, then send the processed data to AWS Aurora Postgres
Tools Used
AWS ec2, S3, Lambda, Glue, Redshift, Cloudwatch events, Docker, Python, Bash scripts
Customer Requirement (3): This is a Java based modern calendar & lifestyle application with Alexa support.
• Actively involved in creating:
o AMI, build AWS infrastructure and configuring applications through automation using Ansible & Terraform
o CI/CD pipelines for infrastructure and application deployments (Jenkins)
o Adding Security to the pipeline using Git hooks – Talisman
o Unit tests & Mutation tests – PIT
o Static Application Security Testing (SAST) using SonarQube
o Dynamic Application Security Testing (DAST) using OWASP ZAP
o Analysing vulnerability, exploit, threat and risks – Dependency Check
o Analysing Docker Image security using Trivy Scan, OPA Conf Test
o Kubernetes Security – CIS Benchmarking and Kube-bench, Istio for discovery, load balancing, failure recovery, metrics & monitoring
o Monitoring the applications using Prometheus Grafana
• Successfully developed Ansible playbooks and automated the execution of routine Linux scripts
• Looked after the configuration and set-up of monitoring systems (Prometheus and Grafana)
• Carried out technical and architectural discussions and facilitated decision-making
• Possess documentation knowledge
Highlights
• Significantly reduced the monthly costs by $3000 by removing unnecessary servers and consolidating databases
• Proactively updated the company codes, automated security systems and minimized the risk of breaches by 60%
Apr 2012 – Aug 2020: IFort Technologies Pvt. Ltd.
Mar 2018 – Aug 2020: Site Reliability Engineer
• Engaged in migrating servers from On-premise to AWS for enterprise customers
• Wrote Terraform scripts
• Managed Infrastructure Automation using Terraform
• Built & deployed Docker containers to break monolithic app into microservices thereby improving developer work flow, increasing scalability and optimizing speed
• Accountable for operating Kubernetes based production environments (EKS) in AWS
• Managed local deployments in Kubernetes, creating local cluster and application deployment into Docker containers
• Steered automation for improved collaborative response in real-time, besides updating documentation, runbook tools, and modules to ready teams for incidents
• Monitoring the services using Prometheus and Grafana
• Responsible for troubleshooting support escalation tickets
• Ensured adherence to Software Development Life Cycle (SDLC)
Sep 2017 – Mar 2018: AWS Cloud Architect
• Engaged in migrating servers from On-premise to AWS
• Pivotal in having installed and configured Nagios to monitor network bandwidth, memory usage and hard drive status
• Developed Ansible playbooks and automated the execution of routine Linux scripts
• Created 20+ automations for provisioning compute instances and storage
• Extensively worked with 3 development, server and network teams
• Constantly communicated with 25+ team members through various channels
Apr 2012 – Nov 2017: TEAM Leader
• Efficiently managed webhosting technical support team of 20+ members
• Conducted staff reviews and shared progress reports
• Accountable for managing level 3 server and handling escalation tickets
• Managed Openvz 6 & 7, KVM legacy & 2 virtualization
• Built strong high value client relationships
Highlights
• Instrumental in setting-up and maintaining a 99.5% uptime of a network of 500+ servers
• Successfully created and maintained automated CI/CD pipelines for code deployment process, resulting in the elimination of 70% of manual work and escalation of work efficiency
May 2010 – Apr 2012: PlanetHoster Inc. (https://www.planethoster.com)| Server Administrator – Remote
• Effectively managed shared, vps & dedicated webhosting servers
• Involved in troubleshooting Cpanel related problems
• Supervised Openvz, Xen & KVM virtualization
• Addressed the technical support tickets over helpdesk
Jan 2008 – Apr 2010: Site5 (https://www.site5.com) | Server Administrator – Remote
• Provided Cpanel/directadmin/Openvz/KVM control support and maintenance
• Supported Tomcat/jetty administration and related script installations
• Ensured backup and maintenance of open-source databases (Mysql/PostgresSQL)
• Handled set-up and maintenance of 24/7 monitoring systems/software
• Monitored server security, updates and related script development for automation
• Analyzed system logs and identifying potential issues with the servers
• Applied server updates, patches and configuration changes
Jan 2005 – Jan 2008: Ahosting Biz (https://www. ahosting.net) | Server Administrator – Remote
• Rendered technical support for Cpanel & Plesk control panels
• Responded to support tickets and server monitoring using software (nagios)
• Managed Abuse complaints – DMCA, Copyright infringement & spam reports
• Provided live chat support
• Efficiently managed the team/shift in the absence of team leader
Education
• B.Tech. from Indian Engineering College with 67%
• XII from NSS College, Kottayam, Kerala with 79%
• X from NSSHSS, Kottayam, Kerala with 87%