David Lusby Email & Phone Number

Juno Beach, Fl, Us

Juno Beach, Fl, Us

Juno Beach, Fl, Us

Juno Beach, Fl, Us

Gland, Ch

Served as the main point of contact for issues related to Puppet, Ansible and Red Hat. Resolved technical escalations, patched critical security vulnerabilities and mentored junior engineers. • Created infrastructure for Ansible and AWX. • Migrated critical business servers from NTP to Chrony, which improved time accuracy by over 1000%.

Gland, Ch

Administration of Solaris, Red Hat, SLES and Ubuntu machines including bare metal, VMWare, Solaris Zones, KVM, LXD, Xen, Docker and Kubernetes. • Created build procedures and documentation for Red Hat servers. • Modernized Puppet infrastructure to automate the configuration of Red Hat 7/8 and Ubuntu 18.04/20.04 servers. • Migrated legacy configuration management code from CFEngine to Puppet. • Developed Python scripts to dynamically generate inventory from the PuppetDB API using core and custom facts.

Worblaufen, Bern, Ch

Remote Linux System Administration work, including maintenance and support of web hosting environment. Created solutions to automate System Administration tasks; wrote scripts using Python, Perl and Bash. Upgraded platform, resolved security concerns and performed malware analysis. • Maintained legacy Perl code base, removed legacy dependencies and created workarounds to prevent loss of functionality. • Wrote Python scripts to parse malware scan results and prioritize them for customer support.

London, United Kingdom , Gb

Worked with quality assurance and development teams to troubleshoot and resolve bugs, implement new functionality and deploy changes to OPB system. Implemented configuration management changes using Puppet, with version control in Git.• Led high availability project, configured and deployed solution using haproxy and keepalived for load balancing and failover. Reduced potential downtime by providing the ability to deploy updates without taking the entire system down. • Automated platform OS updates to Spacewalk Channel with Python, eliminated 24 hour preparation time.• Created release scripts using Bash and Perl to automate special instructions, eliminated manual steps and reduced deployment time by an average of over 2 hours per major release.

Resolved escalations from management and OEM’s. Investigated and resolved server performance issues, mitigated denial of service attacks and identified malware. Deployed platform updates and security patches. Created documentation and mentored Tier I System Administrators.• Led consolidation project while working at the NTT Communications office in Tokyo, Japan for 6 months, reduced monthly operational costs of a legacy platform by over 30%.• Automated Operational Readiness Testing for Signature Web Hosting Platform.• Developed Python scripts to interactively automate firewall blocks for common server scans, reduced manual 5 hour process to less than 30 minutes.• Wrote multiple Perl scripts to extend SNMP monitoring functionality to improve monitoring.• Created Perl scripts to generate reports for management and OEM’s from Sybase database.• Wrote Python/Perl/Bash scripts to verify account server moves and new server builds.

Maintained multiple platforms consisting of over 10,000 servers with a 99.9% uptime SLA while adhering to ITIL standards. Installed, configured and administered FreeBSD, Red Hat Enterprise Linux, CentOS and Irix systems on bare metal and virtual machines. Served as a liaison for the Japanese support team while working overnight shift.• Configured and deployed fail2ban to multiple web hosting platforms to automate firewall blocks, reducing server scan escalations by over 90%.• Led project to add SPF records to over 100,000 domain names.• Configured and deployed cluster of geo-dispersed DNS servers using 64-bit Bind to host over 500,000 zone files.• Updated and improved software deployment documentation.• Automated common system administration tasks with Perl and Bash scripts.

Supervised team of 16 direct reports and served as the escalation point for both managerial and technical issues. Developed training programs for new hires and ongoing training/mentoring to improve employee metrics. Monitored CRM and phone queues to ensure service levels. Conducted internal ISO 9001:2000 audits and completed ITIL training. • Improved first call resolution metrics by over 25% through training, mentoring and process improvements. Ensured that necessary tools and documentation were created.• Achieved e-mail and phone response times which exceeded expected SLA’s by over 10%.

Resolved technical escalations within the Technical Support team, including issues that required higher levels of access and escalations from E-commerce customers. Created scripts to test server functionality in Perl, PHP and .NET. Served as a liaison between Technical Support and System Administration teams (Unix/Windows).• Worked closely with management team to identify the root cause of recurring issues and provided solutions, which reduced the number of support calls and tickets.• Utilized internal escalations to identify technical areas of improvement for my team. Wrote scripts and documentation for Tier I/II support reps to assist with troubleshooting and response times.

Served as an escalation point for Tier I support. Responded to Premier Partner requests, Management Escalations and Presidential Escalations and resolved ongoing customer issues. Continued to train new hire classes in Boca Raton, FL and Montego Bay, Jamaica.• Reduced the number of tickets that required escalation to a higher tier of support.• Awarded multiple “Extra Mile Award” certificates and kudos from customers for going above and beyond to resolve customer issues.

Supported OEM and retail shared web hosting customers over the phone and via e-mail. Troubleshot issues on Irix, FreeBSD and Windows 2000/2003 servers, including DNS, E-mail, Apache/IIS Web Servers and MySQL/MS SQL database issues. • Developed training materials and frequently traveled to Montego Bay, Jamaica to train new hire classes for Technical Support. • Consistently exceeded weekly metrics in areas of quality assurance and productivity.