Dan Perez Email & Phone Number

Alexandria, Virginia, Us

Supported multiple development teams by building pipelines to build and deploy infrastructure and services.Administered around thirty ECS based services.Maintained various AWS services: ECS, ECR, Load Balancing, CodeBuild, Lambda, RDS, ElastiCache, IAM, Route 53, CloudWatch, ElasticSearch, EC2, Autoscaling Groups including Scheduled Actions and Scaling Policies, S3, Redshift, Cloudtrail, SNS, and VPC.Built and maintained the infrastructure and monitors with Terraform code, wrapped in CodeBuild pipelines.The standard pipeline built a docker image with the application and pushed it to ECR, deployed a lower environment, ran the automated functional testing, and continued to deploy and test all environments including production.Migrated our EC2 based services to ECS to speed up deployments and increase reliability.Audited and rightsized our AWS usage to reduce our monthly spend.Reduced the oncall after hours call outs from two to three a week to maybe one a quarter.Upgraded and applied updates to our RDS, ElastiCache, and ElasticSearch infrastructure.Introduced blue/green rds deployments for the upgrades and now its used for complex migrations.

Plano, Texas, Us

Administered our CloudFormation used to deploy our common infrastructure and services.Our infrastructure and services are spread across multiple accounts and regions.Administered our GitLab repositories and build and deploy jobs and pipelines.Supported migrating our common infrastructure and service deployments to AWS Proton.Administered thirty plus ECS based services.Administered ninety plus Lambda based services.Used Systems Manager to configure and maintain our few remaining EC2 instances.Supported various other AWS services: CloudFront, S3, Route53, DocumentDB, DynamoDB, ElastiCache, SQS.Supported various other tools for monitoring and alerting: CloudWatch, OpenSearch, Splunk, Grafana, Sentry, PagerDuty.

San Francisco, Ca, Us

Supported multiple dev teams by building pipelines to build and deploy applications with their infrastructure.Engineered and maintained various AWS services including EC2, ECS, ECR, Load Balancer, Autoscaling Groups including Scheduled Actions and Scaling Policies, Lambda, Secrets Manager, RDS, ElastiCache, IAM, Route 53, CloudWatch, S3, ElasticSearch, Certificate Manager, SNS, and VPC.Containerized our services and ran them on ECS on Fargate.Incorporated automated functional testing into our pipelines and updated them to be CI/CD.Built and maintained the infrastructure with Terraform, wrapped in CodeBuild pipelines.Built and maintained Linux base images using packer and vagrant.Maintained a Jenkins environment, until replacing it with CodeBuild projects.Auditted our AWS usage to reduce our monthly spend.Maintained our log aggregation ElasticSearch cluster, including filebeat and logstash.Joined the Salesfusion team in November, 2018. Salesfusion was acquired by SugarCRM in May, 2019.

Atlanta, Ga, Us

Embedded in a cross-functional development team to support automating pipelines and infrastructure.Worked with various AWS services: EC2, ELB, Autoscaling Groups including Scheduled Actions and Scaling Policies, Lambda, RDS, ElastiCache, EFS, IAM, Route 53, CloudWatch, SNS, S3, and VPC.Built and maintained the infrastructure with Terraform code, wrapped in Jenkins pipelines.Built and maintained Linux and Windows base images using packer, puppet or chef, and vagrant.Maintained a Jenkins environment, including the plugins and building and updating docker-based slaves.Maintained GitHub Enterprise repositories that included application, automated testing, infrastructure deployment, and pipeline code.Our pipeline packaged up the application code, deployed to dev, ran the automated functional and performance testing, and continued to deploy and test to various environments through production.Built a proof of concept to automate building the code, deploying infrastructure, deploying the application, and running automated functional and performance testing in a Windows/dotnet core/C# environment.Halved our cloud spend ($50k/month) by right-sizing instance sizes and minimizing our lowers after hours.Configured log aggregation and management using Loggly and Splunk, monitoring using DataDog and New Relic, and notifications to HipChat and Slack.

Campbell, Ca, Us

Administered 700 CentOS/RHEL servers, including AWS instances, KVM and Xen hypervisors and VMs, and standalone servers.Administered Chef to manage server installs and configurations, users and groups, and application deployments and upgrades. Wrote and updated cookbooks, as necessary.Built out multiple production and test AWS VPCs across the world and migrated 250 servers to AWS.Engineered and administered various AWS services: IAM, CloudFormation, VPC, EC2, S3, AutoScaling groups, CloudWatch, and Route53. Investigated other services for future use: Elasticsearch, ElastiCache.Automated complex tasks, resource tagging and continuity, and instance life cycle tasks using the AWS CLI and the APIs for Chef.Engineered and implemented a new application log storage solution, backed by S3.Migrated our internal dns environment from powerdns to bind with redundant slaves in each data center.Migrated our external dns environment to Route53, created failover entries with health checks and entries with different routing policies.Integrated multiple Rackspace-hosted data centers in to our configuration standards.Administered multiple EMC, NetApp, and Zadara storage devices.

Wayne, Pa, Us

Moved over to the Operational Support Systems team to support their Linux engineering needs.Continued to handle the highest level AIX-related issues and projects for the Managed Services groups.Administered six production Zenoss instances, three of which were two-server clusters.Administered two development/staging Zenoss instances, including one two-server cluster.Patched the Red Hat Enterprise Linux v5 operating system and Fusion I/O adapter drivers and firmware on both servers in two clusters with no instance downtime.Certified multiple new device classes; including loading the MIBs and writing and loading transforms for each trap.Performed cluster failovers and failbacks and database resyncs.

Wayne, Pa, Us

Primary administrator for over three hundred AIX servers for nine customers.Secondary administrator for servers running other flavors of UNIX and Linux.Worked in a group of seven *nix engineers handling top-tier escalations and projects.Participated in an on-call rotation, providing twenty-four by seven support.Designated a Subject Matter Expert in AIX for all Managed Services groups.Installed and administered standalone servers, LPARs, VIO servers, and vLPARs running AIX v5.2 to v6.1.Installed and administered pSeries hardware from p4 through p7, and their HMCs.Built and configured redundant VIO servers and created vLPARs to consolidate physical servers.Upgraded and patched OS levels, VIO code, system firmware, HMC code, and adapter microcode levels.Developed, documented, validated, and executed disaster recovery procedures.Performed SOX, user, and security audits and remediated any deficiencies.Wrote scripts in perl and ksh to control applications, monitor system resources, and send alerts.Hosted webexes and lunch and learns to train and collaborate with colleagues.

Tel-Aviv, Il

Managed multiple data centers with three hundred AIX v5.3 and older LPARs and Solaris v9 and older servers.Created and maintained documentation to ensure validation status of our systems and applications.Created, maintained, and verified backup/restore procedures for all UNIX servers and applications.Monitored, tuned, upgraded, and patched systems to optimize performance and remediate vulnerabilities.Administered multiple enterprise storage systems.Remediated the servers for Daylight Savings Time changes.Wrote several custom scripts in perl and ksh to monitor system resources and send alerts.Managed access rights, performed security audits, closed security vulnerabilities, and performed upgrades and applied patches.Implemented and maintained an enterprise backup server with a tape library running TSM.