Director
2017 - PRESENTTeppen Services Inc- Designed and built AWS Lambda-backed APIs to support various SaaS products.
- Created CI/CD pipelines using Docker and BitbucketPipelines to provide continuous delivery for microservices built upon AWS Lambda.
- Wrote a custom authentication provider in Javascript backed by AWS Cognito Federated Identities.
- Authored Terraform modules to migrate a legacy monolithic application into AWS ECS.
- Reduced time-to-deploy by optimizing Docker image sizes using multi-stage builds.
- Used AWS SAM to build, test and deploy Serverless resources in a CI/CD pipeline.
Technologies: Node.js, Python, AWS Lambda, API Gateways, AWS S3, AWS Fargate, ECS, Amazon CloudFront CDN, Amazon Cognito, DockerSenior Infrastructure Engineer
2015 - 2017Vision Critical- Designed and implemented a custom multi-region disaster recovery system which removed costs from third-party software vendors and reduced restoration time.
- Operated a large (500+) multi-region, multi-environment fleet of EC2 instances and associated support services.
- Go-to person to resolve urgent production-impacting infrastructure problems.
- Infrastructure point-of-contact for SOC-2 security review.
- Worked with development and deployment teams to create tooling around application delivery.
- Significantly cut monthly operating cost by optimizing resource sizes and utilization and implementing an automated resource lifecycle.
Technologies: Amazon Web Services (AWS), Python, Ruby, Hashistack, Continuous Delivery (CD), Continuous Integration (CI), Chef, AWS CloudFormation, Terraform, VMware, AWSSystems Engineer
2010 - 2015iiNet- Upgraded service provider mail platforms to keep the business inline with the latest mail and webmail technologies.
- Developed a custom Quality Management system for the Corporate Support Centre using open-source software.
- Upgraded the Cisco Telephony System while working closely with Cisco technicians.
- Designed and developed a new Telephony IVR that provided more efficient customer interaction through the Support Centre.
- Wrote a custom monitoring solution for wireless customers that provided a visual metrics interface using SNMP counters.
Technologies: UCCX, Cisco, BIND, Varnish, Exim4, Dovecot, Sendmail, Apache, Solaris, LinuxTeam Leader
2007 - 2010Adam Internet- Managed teams of 5-10 people.
- Implemented a customer feedback system to improve customer interaction and reduce complaints.
- Provided technical training to staff on internal systems.
- Updated the Cisco UCCX IVR to create a more fluid user experience for customers.
- Managed the Cisco CUCM and UCCX phone system.
Technologies: Cisco Unified Workforce Optimization Workforce Management, Cisco Unified Workforce Optimization Quality Management, UCCX, Cisco
Tom Gardiner
Infrastructure as Code (IaC) Developer in Guadalajara, Mexico
Member since December 5, 2018
Tom specializes in deployments and migrations with eight years of experience operating in mixed cloud and on-premises environments. He enjoys applying the fundamental principles of DevOps methodology to transform the way companies deliver their product. With a solid foundation of customer service experience as a team lead, he prides himself on complete transparency and direct communication.
Tom is now available for hire
Portfolio
- Teppen Services IncNode.js, Python, AWS Lambda, API Gateways, AWS S3, AWS Fargate, ECS...
- Vision CriticalAmazon Web Services (AWS), Python, Ruby, Hashistack, Continuous Delivery (CD)...
- iiNetUCCX, Cisco, BIND, Varnish, Exim4, Dovecot, Sendmail, Apache, Solaris, Linux
Experience
- Infrastructure as Code (IaC) 8 years
- Python 5 years
- Amazon Web Services (AWS) 4 years
- Continuous Delivery (CD) 4 years
- Continuous Integration (CI) 4 years
- Terraform 3 years
- Docker 3 years
- Chef 2 years
Availability
Part-time
Preferred Environment
Amazon Web Services (AWS), Python, Terraform, Linux, Docker, AWS
The most amazing...
...cloud migration I've worked on consisted of a multi-region deployment from two data centers containing 500+ mixed role EC2 instances.
Employment
Experience
- Reverse Engineering AWS S3 ETags in Pythonhttps://teppen.io/2018/10/23/aws_s3_verify_etags/
Details how to calculate an AWS S3 ETag for a local file so they can be compared to objects in S3 without having to calculate or store any MD5 checksums in S3.
Skills
Languages
Python, Ruby, Bash, JavaScriptTools
Terraform, AWS ECS, VMware, Amazon Cognito, Amazon CloudFront CDN, AWS Fargate, Apache, Sendmail, Exim4, Varnish, UCCX, Cisco Unified Workforce Optimization Quality Management, Cisco Unified Workforce Optimization Workforce Management, Hashistack, HashiCorp, Vault, Chef, Puppet, AWS CloudFormation, GrafanaPlatforms
AWS Lambda, Linux, Solaris, Docker, Red Hat Linux, Amazon Web Services (AWS), Unix, Icinga, Icinga2Other
LPIC-1, Amazon Cognito User Pools, AWS API Gateway, AWS, ECS, API Gateways, Dovecot, BIND, Cisco, AWS DevOps, AWS CodePipeline, Storage, Consul, Infrastructure, Infrastructure as Code (IaC), Graphite, Grafana 2Libraries/APIs
Node.jsParadigms
Scrum, DevOps, Continuous Deployment, Continuous Delivery (CD), Continuous Integration (CI)Storage
MySQL, AWS DynamoDB, AWS S3, AWS Elastic File System, AWS SimpleDB
Certifications
- Linux+SEPTEMBER 2015 - SEPTEMBER 2020CompTIA
- SUSE Certified Linux AdministratorSEPTEMBER 2015 - SEPTEMBER 2020SUSE
- LPIC-1SEPTEMBER 2015 - SEPTEMBER 2020Linux Professional Institute
