DevOps Engineer | Staff Software Engineer
2017 - PRESENTAlpha Zero One LLC- Contributed to platform development and automation, using Go programming language.
- Migrated legacy workload to Kubernetes, enabling autoscaling, using site reliability engineering (SRE).
- Set up and maintained CI/CD pipelines in Jenkins and GitLab.
Technologies: Go, Google Cloud, AWS, Kubernetes, Google Kubernetes Engine (GKE), Amazon EKS, Terraform, Ansible, Docker, DevOpsSite Reliability Engineer
2017 - 2017Katch 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: Amazon Web Services (AWS), Kubernetes, Docker, Ansible, Terraform, AWS, DevOpsInformation Security Engineer
2015 - 2017Warner 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 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: Amazon Web Services (AWS), Syslog-ng, Docker, Ansible, AWS, Go, CSenior DevOps Engineer
2013 - 2015Warner 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: Amazon Web Services (AWS), Apache, Apache Tomcat, C, PowerDNS, BIND, Python, Jenkins, Puppet, AWS CloudFormation, VMware, AWS, DevOps
Jess Mahan
Software Developer in Burbank, CA, United States
Member since March 20, 2018
Jess is a veteran engineer who is particularly skilled in Go (5 years), C (15 years), and Python (10 years). He is 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
- Alpha Zero One LLCGo, Google Cloud, AWS, Kubernetes, Google Kubernetes Engine (GKE), Amazon EKS...
- Katch LLCAmazon Web Services (AWS), Kubernetes, Docker, Ansible, Terraform, AWS, DevOps
- Warner Bros.Amazon Web Services (AWS), Syslog-ng, Docker, Ansible, AWS, Go, C
Experience
- Linux RHEL/CentOS 15 years
- Bash 15 years
- C 15 years
- Python 10 years
- Go 4 years
- Terraform 3 years
- Kubernetes 1 year
Availability
Full-time
Preferred Environment
Amazon Web Services (AWS), Google Cloud
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
Experience
- SecureWorks SOAP API in Gohttps://github.com/alienrobotarmy/secureWorks
A Dell SecureWorks SOAP API implementation in Go.
- CTunnelhttps://github.com/alienrobotarmy/ctunnel
CTunnel is a software for proxying and forwarding TCP or UDP connections via a cryptographic or plain tunnel.
- Bash Threadshttps://github.com/alienrobotarmy/bashthreads
This project deals with POSIX-like threads for Bash.
Skills
Languages
Python, Bash, Go, C, PHPParadigms
DevOpsPlatforms
LAMP, Linux RHEL/CentOS, Debian Linux, Ubuntu Linux, Kubernetes, Amazon EC2, Docker, Amazon Web Services (AWS)Other
System Administration, Iptables, BIND9, Amazon Route 53, HAProxy, CI/CD Pipelines, AWS, BIND, PowerDNS, GlassFishTools
NGINX, Apache, Amazon ECS (Amazon Elastic Container Service), Jenkins, AWS ELB, Terraform, AWS CloudFormation, VMware, Puppet, Apache Tomcat, Syslog-ng, Syslog, Rsyslog, Ansible, Google Stackdriver, Google Compute Engine (GCE), Google Kubernetes Engine (GKE), Amazon EKSStorage
MySQL, Amazon S3 (AWS S3), Google CloudLibraries/APIs
POSIX
Certifications
- AWS Certified Solutions Architect - AssociateFEBRUARY 2018 - FEBRUARY 2019Amazon Web Services
- GIAC Certified Intrusion Analyst (GCIA)SEPTEMBER 2016 - SEPTEMBER 2020GIAC
