Sajeeva Nambadawa Vithanage

Co-Founder

Hampton, England, United Kingdom17 yrs experience
Most Likely To SwitchHighly Stable

Key Highlights

  • 12 years of experience in cloud-native technologies.
  • Founder of CertDirectory.io, showcasing entrepreneurial spirit.
  • Expert in DevOps and database administration.
Stackforce AI infers this person is a SaaS expert with strong DevOps and cloud infrastructure skills.

Contact

Skills

Core Skills

DevopsCloud-native ArchitectureCloud SecurityData EngineeringDatabase Administration

Other Skills

AnsibleTerraformAWS LambdaRDSSESSNSCodeBuildGitHubShell ScriptingGitlab CI/CDCodePipelineMavenCraftRoute53S3

About

About Security-conscious technology fanatic with 12 years of experience.

Experience

17 yrs
Total Experience
1 yr 10 mos
Average Tenure
3 yrs 9 mos
Current Experience

Cloud native westminster, london (cncf)

Co-Organizer

Dec 2024Oct 2025 · 10 mos · London Area, United Kingdom

Certdirectory

Founder

Nov 2024Present · 1 yr 6 mos

Credit karma

Software Site Reliability Engineer IV

Aug 2022Present · 3 yrs 9 mos · London, England, United Kingdom

Wiley global technology (private) limited

Technical Specialist - DBRE

May 2021Aug 2022 · 1 yr 3 mos

  • Role: Automation and Implement DevOps practices over cloud resources and on-prem resources
  • Projects:
  • 1. Completed the development of an automation suite to install database binaries (Without package managers) and to perform follow-up configuration activities using ansible playbooks. A shell script wrapper was integrated to encapsulate the complexity and to provide a user-friendly execution flow.
  • 2. Set the platform and the standards to provision cloud database resources via Terraform.
  • 3. Working on developing a cloud solution to automate the cloud maintenance activity flow. This reduces the communication toil of stakeholder communication and removes the dependency on AWS maintenance communication notifications. Technologies include: Lambda, RDS, SES, SNS, CodeBuild, GitHub
AnsibleTerraformAWS LambdaRDSSESSNS+4

Wired2perform®

Consultant - Infrastructure

Oct 2019Aug 2022 · 2 yrs 10 mos

  • Role: Manage the entire cloud infrastructure
  • Responsibilities: CI/CD Implementations, Cost optimizations, Resource right-sizing, Privacy policy documentations, Vulnerability scanning and mitigation, Compliance implementation (SOC 2, ADA)
  • Projects:
  • 1. Release automation of W2P project
  • Technologies: Gitlab CI/CD, External runners, CodePipeline with S3 triggers, Maven, Blue/Green CodeDeploy, SNS notifications
  • 2. Release automation of Link project
  • Technologies: Terraform, Gitlab CI/CD, External runners, CodePipeline with S3 triggers, Maven, Blue/Green CodeDeploy, SNS notifications
  • 3. DMARC compliance against Mailchimp, AWS, Aweber, Intercom
  • 4. Implementing Craft CMS DR solution
  • Technologies: Craft, Route53 load balancing, SNS, S3 sync, EC2, CloudWatch
  • 5. WAF implementation
  • 6. Near real-time data streaming from MySQL to Elasticsearch via Logstash
  • 7. Elasticsearch data modeling
  • 8. Switching from AWS Pinpoint Toll-free to Long Code
  • 9. Neo4j data modeling

Cake engineering

Senior Database Lead

Aug 2016May 2021 · 4 yrs 9 mos

  • Role: Manage entire data infrastructure
  • Technologies: Elasticsearch, Hadoop, Tungsten replicator, MySQL, Redis, CouchDB

Plutus

Director of Operations

Jun 2016Sep 2017 · 1 yr 3 mos

  • Role: Founding member of Plutus
  • Activities:
  • 1. Company registration, Market evaluation, Procuring physical premise, Procuring hardware and office equipment
  • 2. Setting up online presence: Moodle, Website, Blog, Facebook, Linkedin, Marketing campaigns
  • 3. Setting up simulation environments: Oracle RAC, Oracle DataGuard on VMware workstation and Openfiler (ASM storage)
  • 4. Conducting training sessions: Oracle, MySQL

Millennium information technologies

2 roles

Technical Analyst

Aug 2015Aug 2016 · 1 yr

  • Role: Implementing and managing Oracle products
  • Activities:
  • 1. Implementing Oracle RAC, DataGuard, ADF
  • 2. 24/7 Production support

Associate Systems Support Engineer

Apr 2010Apr 2012 · 2 yrs

  • Activities:
  • Complete trading SOD (Start of Day) and EOD (End of Day) activities.
  • Integration of releases
  • Investigating environment issues
  • Technologies: Linux, SQL, Oracle, PHP
  • Project:
  • 1. Operational Runbook
  • Developed a comprehensive portal to automate SOD, EOD activities. This helped the operational team to carry out various tasks efficiently and with no mistakes. Later on, this was integrated into the in-house ticketing system. Features like Calendar, Project progress view, email notifications were also added later.

Shipxpress

Senior Database Administrator

Apr 2012Aug 2015 · 3 yrs 4 mos

  • Role: System Administrator
  • Activities:
  • 1. Implement and manage in-house Oracle databases, VMware ESXi
  • 2. Procure hardware - Routers, Switches, Blade servers, SAN
  • 3. Configure DNS, Email servers, Routers, Switches, Firewalls
  • 4. 24/7 Production support
  • Technologies/Products: Oracle, SurgeMail, SurgeFTP, Openfiler, Dell Poweredge R710, Dell SAN, Synology NAS, iSCSI, F5, Qualys
  • Projects:
  • 1. Implemented a solution that deploys a standby database for Oracle standard edition. This solution consists of shell scripts and PL/SQL scripts. This solution was the better choice over Dbvisit, for multiple reasons: It is self-owned and free. It is intelligent enough to identify which archived logs have been applied and ship only the required logs, It can send alerts on replication lag, Dynamic batch size for archived log shipping, ASM support
  • 2. Oracle RAC implementation and data migration
  • This was done from the scratch. Necessary hardware was purchased and configured based on the best practice (EG: Network bonding, Separate inter-connect, Jumbo frames, etc.). Once the hardware was provisioned, data migration was carried out with minimum downtime.

Arthur c clarke institute of modern technologies

Research Engineer

Oct 2009Apr 2010 · 6 mos

  • Developing customer solutions with C++, PHP
  • Projects:
  • 1. OpenCV project
  • Develop a program to identify defective items with OpenCV - Research purpose
  • 2. Inventory solution for Sri Lanka Atomic Energy Board

Srilankan airlines

Trainee Network Engineer

Oct 2007Mar 2008 · 5 mos

Education

University of Moratuwa

BSc Engineering — Electronics and Telecommunication

Jan 2005Jan 2009

Richmond College

Jan 1995Jan 2004

Stackforce found 100+ more professionals with Devops & Cloud-native Architecture

Explore similar profiles based on matching skills and experience