Mark Mastoras Email & Phone Number

San Francisco, California, Us

San Francisco, California, Us

Iriving, Tx, Us

- Kubernetes Vault Agent setup/configuration- Kubernetes service manifest development- Vault auth backend; aws,github odic, rbac setup- Kafka deployment on Nomad- hashicorp consul-esm for external node monitoring- Hashicorp Nomad/Vault/Consul Orchestration- Traefik/Consul Catalog- AWS Migrations- CircleCI/CodeDeploy integrations- Packer/AMI CI/CD pipelines

DevOps- AWS Infra as Code; terraform- Chef development- Kubernetes; AWS EKS, K8 on EC2- Operational monitoring, disaster readiness and recovery- Performance and Scalability readiness- CI/CD Pipelines; Concourse, AWS Codepipeline

San Francisco, California, Us

DevOps consultant at Appthority managing AWS infrastructureMigrated production and staging environments into a AWS VPCMigrated all application environments into Opsworks allowing for easy control over deployments and scalingOpsworks custom chef recipes host and application configuration management, including observability agentsResponsible for production monitoring and developer supportDevelopment of base amis using Berkshelf/Chef/Vagrant/Packer to manage rabbitmq and elasticsearch clusters

New York, Ny, Us

DevOps Consultant at rapidly growing company managing Ad Operations & Reporting infrastructure on AWS• Migrated existing infrastructure off EngineYard into AWS• Developed release engineering ruby gem toolset using chef-solo and aws sdk providing release/patch/rollback across web services applications• Developed ops toolset as a ruby gem using aws sdk to provision/configure instance from custom amis and chef-solo across all applications and data clusters• Deployed and maintained RoR and Nodejs apps across multiple AWS regions• Deployed and maintained Ad Analytics pipeline; Kafka/zookeeper, Hadoop/Yarn cluster, ElasticSearch cluster• Developed centralized configuration management system for hundreds of instances across all applications and data clusters• Developed scripts to create AWS instance-store AMIs via ruby aws sdk• Developed AWS cloudwatch listeners to safely down-scale app instances• Developed self-integrating monitoring using NewRelic api and sysmond• Managed DNS and multi-vendor CDN services for ad tech network• Responsible for supporting 20 engineers across two locations

Responsible for product development, technology, and operations management for Gild.com and the asia based candidate screening business, pacreception.com.

Launched www.vizzvox.com Site operations vendor selection and managementCapistrano recipe deploymentsQA & release managementROR developmentTechnology planning

Us

Managed Development Automation group charged with implementing Agile tools and processes across E*TRADE software development (200+ developers).Managed the revenue-critical migration and conversion of all customer financial balances and records to a new trading platform.Managed the development and deployment of E*TRADE's high-availability price charting system.

Managed software development and site operations during an 18 month period that saw registered user growth from 50K to 500K.Oversaw and directed migration of ClearStation IT and site operations into E*TRADE Financial's data center and facilities, following acquisition.

Designed, developed and deployed ClearStation’s outbound email service; to compose and deliver daily portfolio updates, welcome emails, community recommendation/replies, and user-wide announcements.Designed, developed, and deployed an extensible C++ parsing and database upload service to process market data files from content partners Market Guide, Vickers, & Zacks. Designed, developed, and deployed a general purpose C++ based HTML template parsing and data substitution framework; allowing for seperation of HTML and data content in the rendering of ClearStation’s fundamentals research pages.

DMW Group Inc. - Converted a legacy Win32/MFC client server database application into a 3-Tier system utilizing CORBA between the client UI and middleware server. Aspect Telecommunications Inc. - Developed Windows MFC GUI incorporating embedded controls, multi-level customized sortable tree controls, and enhanced printing support as part of Aspect's Call Center product.Proponent Inc. - Ported an existing MFC/Win16 client SQL database application to MFC/Win32. Added BLOB support to application's MS SQL database connectivity. Extended application to support Oracle DB. Sense8 Corporation - Developed a MFC Win32 GUI wrapper for a virtual grocery store application featuring Win 95 controls, printing support, and an AVI player.Creative Wonders Inc. - Developed a generic Windows multimedia application installer utilizing Install Shield SDK.Vidya Data Systems - Developed a full-featured commercial Windows MFC-based bar code label design and printing application.