Mark Mastoras

Mark Mastoras Email and Phone Number

Staff Engineer at nClouds @ nClouds
Mark Mastoras's Location
San Francisco, California, United States, United States
Mark Mastoras's Contact Details
About Mark Mastoras

Cloud Architect and Technical Operations (DevOps) professional with over 10 years experience developing mission-critical and highly scalable infrastructure using Open-Source technology. Expert in System Automation, Configuration Management, and Orchestration. .DevOps: EKS: Kubernetes manifests, Istio, ArgoCD, kubernetes traffic routingHashiCorp Vault: authentication backends, policies, roles, kubernetes vault agentConfiguration Management using Chef, Berkshelf, Vagrant, Packer, Ansible, SaltInfrastructure Automation using TerraformBig Data/Analytics: OpenSearch, EFK/ELK, Hadoop-Yarn, zookeeper, KafkaData Stores: RabbitMQ and Redis clustersHA SQL and NOSQL database administration, automated failover and architectureContinuous Integration: GitHub ActionsTechnical Operations: 24x7 proactive monitoring, HA strategies and recovery, NewRelic, TICK stackSecrets Storage: Vault, HSMDocker: developer environment DockerfilesMetrics: Influx, Telegraf, Grafana, KapicitorAWS:ECS/FargateCodePipeline + custom metricsEC2, RDS, CloudWatch, Route53, VPCCustom autoscalingCustom AMIsDevelopment:Ruby on RailsPythonC/C++JavascriptNode.jsSoftware Management: Team buildingPlanning, budgeting, and partner/vendor integration

Mark Mastoras's Current Company Details
nClouds

Nclouds

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Staff Engineer at nClouds
Mark Mastoras Work Experience Details
  • Nclouds
    Delivery Lead
    Nclouds Aug 2024 - Present
    San Francisco, California, Us
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  • Nclouds
    Staff Engineer
    Nclouds Apr 2024 - Sep 2024
    San Francisco, California, Us
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  • Foghorn Consulting
    Senior Infrastructure Consultant
    Foghorn Consulting Jun 2015 - Apr 2024
    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
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  • Dprails Software Inc.
    Senior Infrastructure Consultant
    Dprails Software Inc. Aug 2007 - Jan 2020
    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
  • Appthority
    Devops Consultant
    Appthority Sep 2014 - Sep 2018
    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
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  • Spongecell
    Devops Consultant
    Spongecell Aug 2012 - Jan 2015
    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
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  • Gild
    Vp Engineering
    Gild Aug 2009 - Feb 2012
    Responsible for product development, technology, and operations management for Gild.com and the asia based candidate screening business, pacreception.com.
  • Vizzvox Inc.
    Director Of Engineering
    Vizzvox Inc. Aug 2006 - Jul 2007
    Launched www.vizzvox.com Site operations vendor selection and managementCapistrano recipe deploymentsQA & release managementROR developmentTechnology planning
  • E*Trade Financial
    Senior Software Manager
    E*Trade Financial Sep 2001 - Jul 2006
    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.
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  • Clearstation, Inc
    Lead Developer
    Clearstation, Inc Jul 2000 - Sep 2001
    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.
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  • Clearstation Inc
    Software Consultant
    Clearstation Inc Jun 1999 - Jul 2000
    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.
  • Independent
    Software Consultant
    Independent Nov 1994 - May 2000
    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.

Mark Mastoras Skills

Opsworks Git Amazon Web Services Linux Technology Planning Yarn Rest C Jquery Node.js Perl S3 Troubleshooting Kafka Nginx Json Ansible Codedeploy System Administration Devops Amazon Ec2 Hadoop Apache Consul Docker Heroku Chef Scalability Redis Ruby On Rails Javascript Vault C++ Software Engineering Css Python Unicorn Information Architecture Elasticsearch Software Development Cloud Computing Amazon S3 Mysql Amazon Vpc Databases

Mark Mastoras Education Details

  • Tufts University
    Tufts University
    Computer Science

Frequently Asked Questions about Mark Mastoras

What company does Mark Mastoras work for?

Mark Mastoras works for Nclouds

What is Mark Mastoras's role at the current company?

Mark Mastoras's current role is Staff Engineer at nClouds.

What is Mark Mastoras's email address?

Mark Mastoras's email address is ma****@****ing.com

What is Mark Mastoras's direct phone number?

Mark Mastoras's direct phone number is +141556*****

What schools did Mark Mastoras attend?

Mark Mastoras attended Tufts University.

What are some of Mark Mastoras's interests?

Mark Mastoras has interest in Investing And Technical Analysis, Children, High School Mountain Bike Coaching, Bicycle Racing.

What skills is Mark Mastoras known for?

Mark Mastoras has skills like Opsworks, Git, Amazon Web Services, Linux, Technology Planning, Yarn, Rest, C, Jquery, Node.js, Perl, S3.

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