Justin Johns

Justin Johns Email and Phone Number

Director, R and D Software and Systems Engineering @ Sila Nanotechnologies, Inc.
Oakland, CA, US
Justin Johns's Location
Oakland, California, United States, United States
Justin Johns's Contact Details
About Justin Johns

Justin Johns is a Director, R and D Software and Systems Engineering at Sila Nanotechnologies, Inc.. He possess expertise in cloud computing, amazon web services, high availability, linux, python and 30 more skills. Colleagues describe him as "Justin is a superb SRE. He has the ability to dive in and turn the "nuts and bolts" as well as think about the big picture, architect smart solutions to real problems, and has a passion for improving developer work flows, continuous deploys, etc. He also has a lot of experience with how to smartly put AWS to work for you and I definitely picked up a few tips from him. Basically you want this guy on your team." and "Justin was a very skilled Sr. Sysadmin at XO Communications. Justin was able to take great care of the customers and maintain the systems in a professional and dedicated manner."

Justin Johns's Current Company Details
Sila Nanotechnologies, Inc.

Sila Nanotechnologies, Inc.

View
Director, R and D Software and Systems Engineering
Oakland, CA, US
Website:
silanano.com
Employees:
401
Justin Johns Work Experience Details
  • Sila Nanotechnologies, Inc.
    Director, R And D Software And Systems Engineering
    Sila Nanotechnologies, Inc.
    Oakland, Ca, Us
  • Sila Nanotechnologies, Inc.
    Director, R&D Software & Systems Engineering
    Sila Nanotechnologies, Inc. Aug 2024 - Present
  • Sila Nanotechnologies Inc.
    Manager, Systems Engineering
    Sila Nanotechnologies Inc. Jan 2019 - Aug 2024
  • Mosaic (Joinmosaic.Com)
    Manager Of Development Operations
    Mosaic (Joinmosaic.Com) Aug 2016 - Jan 2019
    Oakland, Ca
    * Implemented policies, procedures, and controls to enable successful information security program.* Launched highly available, resilient, and secure microservices delivery infrastructure.
  • Mosaic (Joinmosaic.Com)
    Senior Systems Engineer
    Mosaic (Joinmosaic.Com) Apr 2013 - Aug 2016
    Oakland, Ca
    Responsibilities included:* High availability and uptime of production environments.* Increasing software developer productivity with continuous integration pipeline.* Implementing and maintaining information security standards and controls.
  • Appdynamics
    Senior Site Reliability Engineer
    Appdynamics Jul 2012 - Mar 2013
    San Francisco Bay Area
    * Implemented application configuration management using Ansible, backed by Jenkins.* Implemented application deployment orchestration using Ansible, backed by Jenkins.* Implemented Gerrit code review system for configuration management changes.* Implemented Nexus as central artifact repository.* Developed PagerDuty and Pingdom modules for use with Ansible based deployment orchestration.* Maintained a mid-sized physical server farm running an Nginx, Glassfish, and MySQL stack.* Launched and maintained an AWS based platform that utilizes EC2, DynamoDB, S3, and CloudFront.* Worked in conjunction with development and operations team members to establish CI workflows with the end goal of CD.
  • Solutionset
    Senior Systems Engineer
    Solutionset May 2011 - Aug 2012
    San Francisco Bay Area
    * Developed automated server provisioning and application configuration management scripts using Chef.* Developed automated application deployment scripts using Capistrano.* Implemented Jenkins for continuous integration.* Architected and built Ubuntu 10.04 LTS based environments with a focus on high availability, scalability, and security.* Installed and maintained software such as Apache, Nginx, HAproxy, PHP-FPM, RabbitMQ, Node.js, Redis, Memcache, MongoDB, Solr, MySQL, and Varnish.* Communicated regularly with external clients in routine scrums or ad-hoc conversations.* Conducted architecture audits for existing and potential clients to identify growth patterns and scaling paths.* Developed Ruby and Bash scripts to utilize various components of the Amazon Web Services (AWS) API such as EC2, EBS, S3, and CloudFront.* Configured and maintained auto-scaling Amazon Elastic Beanstalk cluster.* Installed and configured Webmetrics, Munin, Nagios, New Relic, and Splunk Storm tools for event, performance, and availability monitoring.* Outlined load testing plans and created Selenium scripts to conduct load testing using BrowserMob.* Launched and maintained a social media business analysis application capable of digesting and performing real-time analysis on social media feeds from Twitter, Facebook, blogs, and news sites.* Actively advocated and participated in DevOps role, taking mutual ownership of goals and challenges alongside the development teams.* Maintained internal Ubuntu and CentOS based development VM farm.* Configured system and MySQL database backups using Amanda and ZRM.* Participated in 24/7 on-call rotation.
  • Opsource
    Systems Engineer
    Opsource Jan 2005 - May 2011
    * Designed multi-tiered, redundant network and high availability Red Hat Linux and Windows 2003 & 2008 server solutions spanning multiple DC locations.* Conducted systems administration duties in a 24/7 environment consisting of hundreds of Red Hat Linux and Windows 2003 & 2008 servers for companies such as digital healthcare providers, major television networks, advertising agencies, and company benefits firms.* Developed a solution for an enterprise Red Hat Linux customer that required them to migrate a very large amount of Oracle data from one data center to another. The solution allowed the customer to complete an estimated 8 hour migration within 4 hours instead.* Architected and launched a Red Hat Linux environment running Tomcat linked to a primetime major network television show. The environment sustained a very high amount of traffic coming from the viewers without sacrificing stability.* Architected and implemented numerous Red Hat Linux and Windows 2003 & 2008 customer environments under very aggressive deadlines, allowing the company to meet their monthly revenue goals.
  • Xo Communications
    Senior Systems Administrator
    Xo Communications Feb 2001 - Jul 2004
    * Performed system administration and troubleshooting duties in a Sun Solaris server environment for companies such as large retail outlets, television networks, and major record labels. * Coordinated and interfaced with outside vendors, end users, outside department, and service providers to resolve issues.* Architected and implemented numerous Sun Solaris customer environments under very aggressive deadlines, allowing the company to meet their monthly revenue goals.* Overhauled the entire data center’s Legato Networker backup offering and implemented a robust solution with scalability and ease-of-use in mind.
  • Mediaplex
    Systems Administrator
    Mediaplex Jan 1999 - Feb 2001
    * Racked and cabled new Sun enterprise servers and Cisco network devices.* Installed Apache and Tomcat software, maintaining appropriate maintenance levels and tuning.* Installed and configured Nagios & Big Brother for event monitoring, capacity planning, and performance monitoring.* Provided level 3 troubleshooting and resolution of system problems.* Responded to outages both during business and after hours.
  • Zip2 Corp. (Acquired By Compaq / Alta Vista)
    Qa Analyst
    Zip2 Corp. (Acquired By Compaq / Alta Vista) 1997 - 1999
    San Francisco Bay Area

Justin Johns Skills

Cloud Computing Amazon Web Services High Availability Linux Python Scalability Devops Saas System Administration System Monitoring Agile Methodologies The Security Aspect Of Cyber Golf Club Repair Red Hat Linux System Architecture Elastic Load Balancing Service Oriented Architecture Design Information Security Big Data Encryption Web Application Security Network Security Regulatory Compliance Continuous Integration Continuous Delivery Test Automation Load Testing Production Deployment Distributed Caching Message Queue Indexing Ruby Nosql Containerization Configuration Management

Frequently Asked Questions about Justin Johns

What company does Justin Johns work for?

Justin Johns works for Sila Nanotechnologies, Inc.

What is Justin Johns's role at the current company?

Justin Johns's current role is Director, R and D Software and Systems Engineering.

What is Justin Johns's email address?

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What skills is Justin Johns known for?

Justin Johns has skills like Cloud Computing, Amazon Web Services, High Availability, Linux, Python, Scalability, Devops, Saas, System Administration, System Monitoring, Agile Methodologies, The Security Aspect Of Cyber.

Who are Justin Johns's colleagues?

Justin Johns's colleagues are Nicholas Fritzinger-Pittman, Jens Steiger, Antonio R., Tisa Beene, Hyewon Jeong, Sarah Holmes, Lashanda Thomas, Mba.

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