David Rolstad Email & Phone Number

Chaumont-Gistoux, Walloon Brabant, Be

Educating customers on cloud best practices, leading business and technology teams through Cloud migrations and architecting AWS platforms for their growth.

Rochester, New York, Us

Responsible for planning Cloud environments in AWS and Azure for migration of on premise services and serversCompleted Azure training for Microsoft Azure Administrator CertificationNetwork design for Azure, AWS, on premise Software-Defined NetworkTerraform layout for Azure provisioning

Santa Clara, California, Us

Use IaC tools to build Cloud environments of pre-release Intel hardware for testing of cloud technologies. Ansible, OpenVPN, Nagios, OpenStack

Portland, Oregon, Us

DevOps Engineer. maintaining the legacy EC2 B2B application while implementing HashiCorp Terraform to reimplement as a cross availability zone, multi region cluster of services. Including AWS ElastiCache, AmazonMQ, RDS, CloudFormation, peer to peer networking and building of mongoDB, Route53, ELB/ALB, S3, and EKS for the nextgen environment and partner applications.

Noida, Up, In

Continuing to build upon our Cisco ACS system, HCL purchased the Cisco Prime Home group. Consolidated the server environment and build a new testing suite for remote testing of customers CPE. Updated all the hardware and networking for our SaS offering. Migrated functions to AWS and began moving everything to a public cloud.

San Jose, Ca, Us

Administrator for Linux SAS environment including Netscaler load balancers, VMware vSphere , Apache reverse proxy, MySQL backend, Tomcat JAVA servers, Mongo noSQL, DNS BIND, Amazon AWS EC2, S3, EFS, ELB, RDS, and Route 53. Puppet/Foreman. Project Atomic containers in physical and virtual servers, ELK, jira for scrum activities. Provided IT infrastructure to developers and SAS cloud services.

Noida, Uttar Pradesh, In

Site lead for UNIX, Linux, and e-commerce administration including Squid proxy servers, Covalent Apache 2.0 and 2.2 web server, SUN Apache 2.0 reverse proxy environment, F5 BIG-IP content switch load balancers, proFTPd environment, Red Hat Linux 4 and 5 servers running Apache and mod_Perl, Apache/Tomcat, SUN Solaris 8, 9 and 10 running Oracle as10, Oracle iAS, Oracle OID, DNS BIND service, Time Services, Perl scripting. Provide IT infrastructure support to business units with e-commerce applications. Rolled out a Linux Apache/ Tomcat/ MySQL environment for the service organization.Took over site lead for the SUN Solaris, Red Hat Linux, and AIX environment.DMZ architect for bi-coastal highly available web tier.

Team lead for e-commerce administration including Iplanet/SunOne and Squid proxy servers, WebTrends web analytics system, Covalent Apache 2.0 and 2.2 web server, SUN Apache 2.0 reverse proxy environment, Cisco and BIG-IP content switch load balancers, proFTPd environment, ColdFusion application tier, Linux AS servers running Apache and mod_Perl, Apache/Tomcat, Oracle as10g, Oracle iAS, Oracle OID, DNS BIND service, Time Services, Perl scripting. Provide IT infrastructure support to business units with e-commerce applications. Architected, built and deployed Covalent Apache 2.0 as a reverse proxy environment.Led expansion of the LAMP mid-tier from 2 servers maintaining a business unit's marketing sites to 21 servers in multiple locations serving the Xerox home page.Redeployed the proxy server from a bastion host to the intranet server. Deployed Linux AS servers running Apache and mod_Perl.Architected and deployed Oracle as10g into a clustered n-tier environment

E-commerce systems administrator including the Internet firewall, DNS, FTP, and web servers on Solaris systems. Responsible for administration of F5 BIG-IP load balancers, Checkpoint Firewall-1 firewall and VPN systems, Veritas Cluster servers for the Oracle database systems, Veritas NetBackup and sendmail systems. Provided primary technical support to the e-commerce application developers. Wrote Perl scripts to distribute customer data to vendors. Managed the NetBackup environment for development and QA systems, and the RSA Secure-ID server and service. Deployed and managed the Tripwire security system, deployed Swatch on all UNIX systems for real-time monitoring to syslogd server, and deployed Apache web services for production and development environments. Built Oracle8i middle tier for JAVA application development and E-commerce applications.Compiled and deployed wu-ftp for production and development use.Planned, configured and deployed F5 BIG-IP load balancing hardware for production web services.Successfully migrated corporate e-commerce environment from Exodus co-hosting location to a new internal system while maintaining equivalent system functionality.Investigated and configured VPN solution between corporate headquarters and new engineering

Internet services administration for Mentor Graphics including the Internet firewall, mail, news, FTP, DNS, time, and web servers on Solaris and HP/UX systems. Administered the corporate UNIX Oracle database servers. Provided primary technical support for the marketing and customer support departments to implement their system needs. Used Perl and shell scripts along with the Veritas file system, Veritas volume manager, Netbackup and event manager applications daily. Built HP and SUN UNIX servers for deployment.Implemented a company-wide XNTP time infrastructure for time synchronization across UNIX and NT platforms.Replaced the global mail alias distribution process with a Perl distribution application that reduced the failure rate from 50% to less than 1% and the update process from 90 minutes to 15 minutes.Implemented the Tripwire security application to the firewall and gateway servers to protect them from hackers and administrator errors.

Provided remote administration of customer's UNIX systems in the fast-paced medical industry. Team leader for troubleshooting HP/UX, TI/UNIX and AIX hardware and OS. Administered the TISAM databases on client sites. Provided Xenix support to a legacy clinic application. Installed new systems in clinic offices and transitioned data and applications without disrupting business practices.

Provided phone technical support on a variety of Apple products. Extensive training in customer service and dispute resolution.