Alfonso Valdes

A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (80 - 100 servers). With deep and advance knowledge of highly scalable servers, AWS architectures, DevOps and Continuous Integration, Migrations, Hardening Servers, Ethical hacking, Open Source services and Server optimization. Lately Building WordPress hosting environments highly available and scalable in AWS / DigitalOcean / Google Cloud / Azure.

Certifications such as: Red Hat Certified Engineer (Linux) - Certified Ethical Hacker - Cisco CCNA.

Expertise in:

MIGRATIONS: Mobile apps / SaaS apps / Wordpress / AWS / LAMP / Cpanel. Helped dozens of clients migrate their web sites and applications into Amazon AWS, Google Cloud Platform and Digital Ocean. Technologies used: Nginx, CDN, Amazon VPC, Google PageSpeed, Amazon Auto Scaling, MariaDB replication and more.

DEVOPS: Passionate to Automate Infrastructure as Code. Tools to perform my pipelines: Terraform / Docker, AWS ECS, Ansible, Chef, AWS CloudFormation, AWS Vagrant. For Continuous Integration and Delivery: Jenkins, CircleCI, TravisCI, AWS Code Deploy, AWS CodeCommit, AWS ECS and Webhooks.

OPTIMIZATION: Obsessed to improve website SPEED for Wordpress sites, Drupal, Magento and any AWS application. Keys: Caching, CDN, Nginx, HHVM, Mysql Tuning and AWS Auto Scaling.

AMAZON WEB SERVICES ( AWS ) - AMAZON EC2, Amazon CloudFront, CloudFormation, S3, Amazon RDS, Amazon ELB, Amazon Auto Scaling, Amazon VPC, Route53, Amazon ECS, Beanstalk, Lambda, AWS Code Deploy, etc.

WORDPRESS HIGH PERFORMANCE AND IMPLEMENTATIONS with HIGH TRAFFIC: Improve Wordpress performance, design a cloud hosting with complex services using Wordpress, Wordpress multisite, wordpress + woocommerce, wordpress with NGINX/varnish , integration with CloudFlare CDN, Memcached/Redis, Amazon S3, etc etc. Build an entire HOSTING environment from design, implementation and maintenance and if needed Automated With Docker, Ansible and Terraform.

MALWARE REMOVAL and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis.

NETWORK AND WEB SECURITY: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc.

VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration.