Leonid G. Email & Phone Number

Hanwell, Nb, Ca

Denver, Colorado, Us

Lead and mentored a team of data engineers, regularly conducting 1-on-1 meetings and setting clear goals to foster growth in cloud-native technologies and AI/ML operations, resulting in a significant increase in team efficiency.Designed, developed, and deployed data and ML solutions leveraging AWS services such as Bedrock, SageMaker, Lambda, Glue, and Athena, as well as various data solutions. Implemented Infrastructure as Code (IaC) automation using AWS CDK with Python and TypeScript.Implemented AWS-based AI/ML projects, reducing model deployment time through seamless end-to-end delivery with automation.Designed and deployed automated MLOps pipelines, improving operational efficiency.Promoted a platform engineering culture with streamlined CI/CD pipelines, enhancing automation and software delivery.Performed data and infrastructure migration projects for production workloads to AWS, ensuring seamless transitions and maintaining system integrity and reliability during the migration process.Collaborate cross-functionally with data architects, ML engineers, and data science teams to design, optimize, and deploy machine learning models into scalable, resilient production environments.Worked with VP and Directors of Data and AI practice to calibrate departmental goals, ensuring alignment with the organization's strategic objectives while establishing trusted relationships as a technical advisor.Developing tailored AWS architectures for client migrations and enhancementsAutomating workflows via CDK,Terraform, Python, boosting efficiency and deployment.Develop and deploy using EKS, ECS, and Docker for efficient app deploymentCollaborated closely with customers' technical teams, CTOs, and architects to gather feedback, ensuring solutions were tailored to meet their business and technical needs.Managed the technical validation process, including PoCs, product demonstrations, and addressing customer objections to ensure successful project delivery.

Denver, Colorado, Us

Lead Principal AWS Infrastructure Architect with a proven track record in leading and guiding enterprise-level migrations and cloud initiativesLeading teams in architecting and implementing seamless migrations to AWS Cloud, promoting DevOps cultureManaging EKS, ECS, and Docker for efficient app deploymentDesigning and building automated, robust, secure AWS infrastructureOrchestrating streamlined CI/CD for efficient developmentCrafting customized cloud-native architectures for optimal outcomesCollaborating with Data Architects for advanced cloud services: AI/ML, data lakes, warehouses, pipelinesConducting migration readiness assessments using AWS MAP framework and third-party toolsSeamlessly orchestrating legacy data center migrations to modern cloud platformsExcelling in AWS mastery, optimizing innovation and high performanceSuccessfully managing large-scale database workload migrations using DMS/SCT and AWS native toolsDeveloping tailored AWS architectures for client migrations and enhancementsAutomating workflows via CDK, Terraform, Python, boosting efficiency and deploymentScripting in Bash,Python,PowerShell for streamlined processesArchitecting solutions using cloud-native technologies, ensuring AWS Well-Architected Framework complianceFacilitating cross-team knowledge sharing to enhance productivity and influenceEstablishing optimal performance, security, scalability, and cost-efficiency for AWS cloud workloadsSetting up AWS Control Tower, Landing Zone for new/existing customersImplementing logging, monitoring, and observability with DataDog and AWS toolsCreating secure AWS workloads: networking, VPN, firewalls, Transit GatewayMaintaining client feedback loop for alignment and superior deliverablesDriving DevOps culture via CI/CD with CodeBuild, Pipelines.Driving tech impact across teams through knowledge sharing and experience-based insightsExperienced expert driving successful migrations, optimizing AWS, nurturing collaborative DevOps

Denver, Colorado, Us

As a Senior AWS Modernization Architect and DevOps Consultant, migrations and cloud efforts for enterprise clients helping architect and implement migrations to AWS Cloud and support with DevOps adoption and culture. My responsibility as a member of the AllCloud Professional Services Delivery team in North America, and a consultant are as follow:Building sophisticated and highly automated infrastructure in AWS.Building and supporting microservice architecture containerizing apps using (i.e. Docker, K8S, ECS, Fargate) including orchestration and automation using CI/CD.Conducting migration readiness assessment using AWS MAP framework and third-party tools such as Device42.Migrating applications and workloads from on-prem data centers, Azure, etc. to AWS. Migrating enterprise large database workloads from on-prem/Azure leveraging DMS/SCT and other native tools to AWS.Designing and implementing AWS architecture for client cloud migration and improvements.Developing automation using AWS CDK, Cloudformation, Ansible, Terraform, Python, Shell etc.Ensuring optimal uptime, performance, security, scalability, and operational cost of AWS cloud workloads.Implementing setup of AWS Control Tower and Landing zone setups for new and existing customers.Logging aggregation/monitoring and observability infrastructure using DataDog and AWS native toolset such CloudWatch.Designing and supporting overall security of the system workloads deployed on AWS (networking, VPN, firewall, Transit Gateway credentials, etc.).Working with various development teams to help achieve CI/CD and deployment using various integration tools AWS CodeBuild, Pipelines and other CI/CD tools, as well as assisting the teams in adopting DevOps best practices and culture.Architecting and designing of highly available secure and cost-effective solutions using Amazon Web Services following a Well Architecture Framework and best practices.

Fredericton, Nb, Ca

Working as Senior AWS Cloud Architect and Lead DevOps Engineer as a consultant on various enterprises and R&D projects for enterprise clients helping to Architect and implement Cloud and DevOps adoption and implementation. Architecting and design of highly available secure and cost-effective solutions using Amazon Web Services following well architecture framework and best practices.Architecture design of high availability solution using AWS services following well architecture framework.Architecting and implementing solutions in Azure and Oracle Cloud.Ensuring optimal uptime, performance, security, scalability, and operational cost of cloud platform and SaaS-based product.Design and support overall security of the system workloads deployed on AWS (networking, VPN, firewall, Transit Gateway credentials, etc).Working with various development teams to help achieve CI/CD and deployment using various integration tools AWS CodeBuild, Pipelines, Bamboo and Jenkins, Nexus repositories as well helping teams to adapted DevOps best practices and culture.Developing automation using AWS CDK, Ansible, and Terraform, and Python, Shell.Building and supporting microservice architecture, containerization of apps using EKS, Fargate Kubernetes Clusters, and Dockers includes orchestration and automation CI/CD. Developing automation of infrastructure using Ansible, Terraform, tools, and others.Supporting enterprise on-premise deployments and Cloud workloads.Log aggregation/monitoring and observability infrastructure using ELK stack and AWS native tool set such CloudWatch.Working with SSO technology Gluee Azure and others.

Fredericton, New Brunswick, Ca

Provided technical analysis and recommendations to various stakeholders regarding application and technical architecture and best practices related to the database design and cloud computing.Part of the Devops team responsible for design high available solution and implementation using Amazon Web Services.Key responsibilities:Devops design and administration of Linux,Windows servers hosted on AWS infrastructure.Developing automation deployment script using tools such as Cloud Formation,Chef and Ansible.Move application to containers using Docker Micro services technology.Performing administrative task Devops hosted on Amazon infrastructure.Load testing experience using an open source stack tools Siege and Apache JMeter.Development of various automation script using Shell,Python and other script languages.Creating documentation as required to assist in capturing required technical details for server, application design, configuration, and development.Database development including stored procedures,triggers,and SQL scripts for MySQL,PostgreSQL ,MongoDB and other RDS and NoSQL databases technology's.Administration of database security across environments and servers.Design and document standards and best practices for database design and development .Review and Design database models and schema.Database tuning and performance management of high volume databases. Maintain High availability Master/Slave topology for the production environment using MySQL technology.Working with RedShift DW and other Amazon Web Services RDS products.Performing code and infrastructure analysis for performance and code improvements using tools such as NewRelic,SumoLogic and ELK stack. Migration of the enterprise infrastructure to cloud include 25 servers and 7 databases and interfaces applications servers InfoSystems Cache each database over 8 TB in size the systems also includes over 200 virtual workstations using (AWS workspaces solution).

Montreal, Quebec, Ca

Working as .NET developer on the Pleasure Craft Licensing project developing online public submission application for Transport Canada.Key responsibilities: Involved in design and development of the web form application using VB.NET and framework 4.5.2 and object oriented programing.Developed SQL stored producers and create necessary database object to meet architecture and development requirements.Using Entity Framework 6.1 and LINQ for the Data Access Layer .Using CCS and JavaScript and WET toolkit to meet Transport Canada public web site common look UI requirement .Write development specification documentation and technical documentation .Configuring development environment and servers, and test the code including writing technical documentation in order to move the code to UAT and PRD environment.

Montreal, Quebec, Ca

Manage Enterprise MS SQL environments and applications with numerous database administration assignments for NB Department of Health IT services. Enhance database performance, perform restores, implement recovery procedures, handle performance tuning and conduct regular system backups. Ensure technical and functional designs meet business requirements. Served as DBA or project lead in the completion of 50+ medium- to large-scale implementations, managing projects from business requirements analysis to solutions delivery and support.Managed, designed, and implemented consolidated Enterprise SQL solution using SQL Server 2008 R2 using MS clustering and other failover technology.Promoted database and application code from ST, UAT to PRD.Database development including stored procedures, triggers, and SQL scripts.Replication management and implementation.Database tuning and performance management. Managed multiple databases environments and cubes, SSIS packages and Reports servers.Managed multiple scaled out web servers using IIS, Apache and Network Load Balancers. Designed and Developed data transformation and interfaces using various technology such as: SSIS, SSRS, Crystal Reports, and the interface integration engines Rhapsody and BizTalk.Provided technical analysis and recommendations to various stakeholders regarding application and technical architecture and best practices.Participated in the planning and communication with business owners and implementation of ITIL framework and processes.Created documentation as required to assist in capturing required technical details for server, application design, configuration, and develop.HL7 Interface development using Rhapsody and Transmed products for UMS application in NB Department of Health Developed various monitoring application tools using PowerShell and C#, MVC technology.Implementation of Kerberos authentication protocol between SQL servers and application web servers.

Montreal, Quebec, Ca

Design and configured SQL server Audit for the SQL database for the for Department of Natural Resources for Government of NL.Key responsibilities:Design and configure SQL server Audit for DML and access operation.Develop SQL script and automation to deploy audit to the SQL server instance.Developed SQL Server Database to store audit files for the future reporting proposes.Write Technical installation documentation for the Support DBA team and Development Team .Knowledge transfer to the NL DB team how to setup and maintain the Audit solution.

Montreal, Quebec, Ca

BI development of Colon and Cervical Information System for the New Brunswick Cancer Network.Implementation of the Incremental Load changed using Change Data Capture technology in SQL server and Oracle.Key responsibilities:Development of Data Set Extract Transform and Load (ETL).Complete and resolve translations issues Oracle to SQL Server. Developing Stored producers/functions to isolate CS-IIS specific cancer codes from NBCR database.Analysis the data requirements and data validation.Participate in weekly meeting with the CS-IIS Project’s Technical Architect, Enterprise Architecture Group and/or other subject matter experts to review both technical and functional requirements.Extract Transform and Load (ETL) TuningETL is flat and basic, tuning is required.Update existing code to import data incrementally instead of all at onceResearch whether ETL can execute against a backup copy of a database instead of a transactional database.Assists with documenting software components of the DSAHelp to ensure the integration of all aspects of technology solution. Supports the development of testing strategy and participation in some test case development and execution at the System Test and User Acceptance levels.Assists with the development of Implementation Strategy and supports implementation activities.Supports the CS-IIS Project’s Technical Architect and DoH Enterprise Architecture group representatives to ensure that the projects continue to conform to the Enterprise Architecture Framework, including privacy, security, operational and quality assurance controlsDeveloped SSIS packaged deployment scripts.Develop automated SSIS package to restore the database from the backup for the Data transformation.

Montreal, Quebec, Ca

Designed and implemented SQL Server 2012 Enterprise Cluster for the Remedy application Developing export and import solution between Vote Information System and external sources using SSIS 2012. Key responsibilities:Design and installed SQL server 2012 cluster using “AlwayOn” future will meet client and system requirements for the high availability and performance . Installed and configured MS Cluster environment using VMWare infrastructure.Configured “AlwayOn” future to replicate databases for redundancy and reporting.Design and Implementation of the Backup and disaster recovery plan that will meet client and business requirement.Configured and tuned SQL server environment that will meet security and best practices.Creating a SSIS 2012 Package to import the data from the Oracle Database to the SQL.Writing installation and support documentation.Provide guidelines for the SQL environment and best practices.

Montreal, Quebec, Ca

Designed and developed a distributed offline database application to allow votes records in the distributed polling stations across the province and synchronized the data back to the central database.Developing export and import solution between Vote Information System and external sources using SSIS 2012. Key responsibilities:Research and development of prototype to validate if the selected technology will meet client and system requirements. Developing SSIS 2012 Packages complex transformations import and Export from the XML schemas.Developing writing complex stored producers and queries, and design SSRS reports using SQL SSRS 2012.Using Microsoft Sync Framework and Servers Management Objects(SMO) to generate multi offline databases with the schema from the main central database and synchronize back.Developing application using C# and classes to sync objects and data between the offline database to the central database.Created documentation as required to assist in capturing required technical details for an application design, configuration, and development.Installing and Configured SQL Server envroromet ST, UAT for the application deployment and development includes Security configuration,performace analysis and database planning.Writing Installation and Support documentation for the SQL infrustructure and web application deploments and Application environment .

Montreal, Quebec, Ca

Key responsibilities:Development Statistical report booklet for the Department of Natural Resources.Developed Oracle packages and function for the reports Analysis the data requirements and data validation.Report development and design using SQL reporting Services.Integration of the reports in License Management System using ASP.Net in the web application.

Toronto, On, Ca

Worked as a DBA in the Global Data center keeping high priority application databases up and running, performed daily checks and optimization of existing databasesKey projects:Worked jointly with Global and Local Information ServicesInstalled and managed cluster SQL servers up to 20 TB of data and 200,000 transactions per day; Installed and deployed SQL Server including creation of installation scripts to create the tables, indexes, stored procedures and initial data.Performed system analysis and design in the data tier by using relational, dimensional and/or object modeling;Designed and created databases and database objects.Created backup plans based on standards for all databases and transaction logs; Designed, setup, managed and performed troubleshooting on replication solutions.Developed successful disaster recovery methodologies and routinely verified the processes with drills.Managed databases security by controlling and monitoring user access and activity levels.Performed production support of MS SQL server environment including monitoring system events and error logs, performance analysis and database query tuning. Investigated, analyzed and resolved any technical problems related to the MS SQL databasesMoved SQL application code ,SSIS , Cube and from ST to UAT and PRD environments.

Shoham, Il

Worked in a Philips medical equipment distribution company as a customer support engineer responsible for PACS and other E-Health technology implementation and installation with multiple medical facilities and centers in Israel.Key projects:Provided technical support for PACS systems (Radiology Archive Storage). Knowledge in HIS (Hospital Information System) HL7, Radiology Information System.Configuration and integration with various medical systems and sources using HL7 standards.Validating the compliance with DICOM standards.HL7 conformance analyst for the PACS product to ensure that it meets product and standards requirementsInstalled hardware and software on client sites, with troubleshooting. Integrated and upgraded servers (Dell, HP, IBM), workstation (IBM, HP, Dell) storage systems Dell & HP storage systems.Installed and maintained network equipment Cisco, 3Com. Maintained 50 client sites along with about 250 servers and > 1000 workstations using VPN, other remote systems.Repaired and maintained hardware and peripheral devices (CR scanners, readers, CD robots(Rimage, Primera);Installed and managed database servers (MS SQL, InterBase), for medical critical applications (up to 8 TB of data and 50,000 transaction per day).Administrated Microsoft Windows Server 2003, 2000, Exchange 2003, Firewall, Ftp, SQL, VPN. Programming utilities and tools for support using C# and other programing languages.

Performed the duties of a technical architect and administrator responsible for design and implementation of various IT projects in the hospital.Key projects:Architecture, design, and implementation of Active Directory and network for the local Government Medical hospital.Supported Medical Equipment (Radiology PACS, US, CT) related to the PACS configuration and implementation.Implementation of various E-Health projects such as: One patient one Record, Pharmacy integration, PACS integration and management.Maintained 1000 client workstations along with about 250 servers such as (WIN,SAP,UNIX,LINUX,Firewall,TS,SQL,Backup), 150 printers, 200 terminal station, 1500 users.Installed and supported Microsoft Exchange Server 2003,SQL Servers 2000, DNS server,DHCP,DHCP,FTP serverManaged and installed Cisco, 3com switches and routers Application development experience developing local applications for IT department and facility users and reports using ABAP and C#.MS SQL 6.5 and MS 7.0 database support. Interbase 6 and 6.5 database support.

Associate'S Degree, Software Engineering

Amanda Administration And Configuration Training

Microsoft Trainning, Mctp In Sql 2008 Development

Sql 2008 Ssis Development

Rhapsody Interface Development

Mcts -Sql Development, Microsoft Certified Technology Specialist In Sql 2008 Development(Mcts)

Enterprise Architecture And Soa, Computer Software Engineering

Mcts, Microsoft Certified Technology Specialist In Sql 2008(Mcts)

Mctp, Microsoft Certified Technology Professional In Sql 2008(Mctp)

Mcdba, Mcdba Sql 2000

Mcse, Microsoft Certified System Engineer 2003 (Mcse)