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Jess Mahan

Jess Mahan

Burbank, CA, USA, United States
Member since February 20, 2018
Jess is a veteran engineer who’s particularly skilled in Go (3 years), C (13 years), and Python (10 years); he’s also experienced in site reliability development and DevOps. He is a professional who has exceptional communication skills and has experience working freelance. Jess joined Toptal to find cutting-edge projects and talented people to work with.
Jess is now available for hire
Portfolio
  • Katch LLC
    AWS, Terraform, Ansible, Docker, Kubernetes
  • Warner Bros.
    C, Go, AWS, Ansible, Docker, Syslog-ng
  • Warner Bros.
    AWS, VMware, CloudFormation, Puppet, Jenkins, Python, Bind, PowerDNS, C...
Experience
  • Bash, 15 years
  • C, 15 years
  • Python, 10 years
  • Go, 4 years
  • Kubernetes, 1 year
Burbank, CA, USA, United States
Availability
Part-time
Preferred Environment
AWS
The most amazing...
...thing I've done was to build one of the first private clouds complete with the infrastructure as code and virtual load balancing.
Employment
  • Site Reliability Engineer
    2017 - 2017
    Katch LLC
    • Designed and implemented the AWS infrastructure using Terraform.
    • Developed the back-end in Go.
    • Built the infrastructure with Ansible.
    • Implemented container management with Docker.
    • Managed the CI/CD pipeline with Jenkins.
    Technologies: AWS, Terraform, Ansible, Docker, Kubernetes
  • Information Security Engineer
    2015 - 2017
    Warner Bros.
    • Developed an intrusion analysis with Dell Secureworks.
    • Managed a centralized logging environment with Syslog-ng and Rsyslog.
    • Implemented a Kibana (ELK) environment for security event analysis.
    • Built a custom indexing engine in Go (Golang) for a shipment to Kibana.
    • Created custom DNS NetFlow style tools in C for real-time and historical analysis of DNS queries and flow with a REST API microservice for queries.
    Technologies: C, Go, AWS, Ansible, Docker, Syslog-ng
  • Senior DevOps Engineer
    2013 - 2015
    Warner Bros.
    • Managed all Tomcat 6/7 and GlassFish servers.
    • Implemented cloud orchestration via Puppet.
    • Managed the CI/CD pipelines with Jenkins and the DNS.
    • Migrated the entire on-premise environment (over 5,000 hosts) to AWS.
    Technologies: AWS, VMware, CloudFormation, Puppet, Jenkins, Python, Bind, PowerDNS, C, Tomcat, Apache
Experience
Skills
  • Languages
    C, Bash, Go, Python, PHP
  • Platforms
    Linux RHEL/CentOS, Debian Linux, Ubuntu Linux, AWS EC2, Docker, Kubernetes, Amazon Web Services (AWS)
  • Tools
    Terraform, AWS CloudFormation, AWS ECS, Jenkins, AWS ELB, Nginx, Apache, iptables, Syslog, Rsyslog, Syslog-ng, Google Compute Engine (GCE), Google Stackdriver, Ansible
  • Storage
    AWS S3, AWS RDS, MySQL
  • Other
    BIND9, Route53, GlassFish
  • Libraries/APIs
    POSIX
Certifications
  • AWS Certified Solutions Architect - Associate
    FEBRUARY 2018 - FEBRUARY 2019
    Amazon Web Services
  • GIAC Certified Intrusion Analyst (GCIA)
    SEPTEMBER 2016 - SEPTEMBER 2020
    GIAC
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