System Administrator Infrastructure Architect

Vadim Israilevich

210-***-**** ************@*****.***

PROFESSIONAL SUMMARY

Experienced Senior Operations Engineer / Administrator with 35+ years in IT infrastructure, specializing in Linux, Windows, automation, networking, cloud computing, and DevOps. Adept at managing 8,000+ servers in large-scale enterprise environments, optimizing performance, and implementing cost-effective, automated solutions. CORE COMPETENCIES

• Operating Systems: Linux, Windows, HP-UX, Solaris, MacOS

• Networking: Cisco IOS, Juniper, Linux-based firewalls, routing

• Storage: NetApp On-Tap, JBOD, NFS, SAN, NAS, LVM, multipath

• Hardware: HP, Dell, SuperMicro, Cisco, Fujitsu, Oracle, Cisco UCS

• Automation & DevOps: Shell scripting, Jenkins, Terraform, RPM/Deb packaging

• Software & Tools: MySQL, PostgreSQL, Oracle DBA support, Nagios, Splunk, ELK, GitLab, GitHub

• Virtualization & Cloud: AWS, Azure, Google Cloud, VMware, KVM, oVirt

• Infrastructure & Security: Active Directory integration, HA architectures, performance tuning

PROFESSIONAL EXPERIENCE

Southwest Research Institute (SwRI), San Antonio, TX Lead IT Specialist (Aug 2020 – Dec 2024)

• Managed Oracle, CentOS, RedHat on Dell, Fujitsu, HP, VMware

• Developed extensive BASH scripting for automation, OS patching, and version control

• Created custom RPMs, internal repositories, and application versioning solutions

• Deployed and managed oVirt clusters for Oracle database VMs across data centers

• Led OS migration from OL7/RH7 to OL8/RH8 and implemented HPC Beowulf cluster support

• Administered A10 Load Balancer (Active/Passive setup) for improved system reliability

• Provided technical support and system optimization eHarmony.com, Westwood, CA

Systems Operations Team Lead / Operations Manager (Mar 2014 – Aug 2020)

• Managed 8,000+ physical and virtual servers across multi-site infrastructure

• Automated Kickstart builds for Linux, VMware, Oracle RAC clusters

• Configured and maintained F5 Load Balancers, backups, and API integrations

• Implemented Active Directory authentication for Linux using PBIS

• Deployed and managed Dell, HP, Cisco UCS blade and stand-alone servers.

• Deployed Nagios, Icinga2, Observium, and GitHub-based monitoring solutions

• Led AWS IAM administration, CloudFormation, and Terraform implementations

• Mentored staff, hired engineers, and improved operational efficiency Sempra Energy, Monterey Park, CA

Technologist (Contract) (Dec 2011 – Mar 2014)

• Deployed and supported RedHat Linux infrastructure and Oracle RAC clusters

• Designed and maintained system monitoring solutions

• Automated server deployments using Kickstart, shell scripting, and Hadoop clusters

• Strengthened system security and intrusion detection mechanisms OVGuide, Beverly Hills, CA

System Architect / Director (Jul 2007 – Dec 2011)

• Built and managed a multi-data center start-up with 100% redundancy

• Developed custom orchestration, monitoring, and security automation tools

• Managed network migration, storage (JBOD), and server infrastructure Additional Experience

• Overture (Yahoo Search Marketing) – Senior UNIX Administrator (Jun 2003 – Jul 2007)

• Sprint E Solutions – Technical Solutions Consultant (Dec 1996 – Jun 2003)

• National Medical Review Offices Inc. – Systems Engineer (Sep 1992 – Dec 1996)

• Hughes Aircraft Company – Lead Field Engineer (Aug 1988 – Sep 1992) EDUCATION & CERTIFICATIONS

• B.S., Electrical Engineering, Minor: Computer Science – California State University, Long Beach

• RedHat Certified Engineer (RHCE) (Expired) – RedHat 6.2

• Cisco Certified Network Associate (CCNA) (Expired)

• Microsoft Certified Systems Engineer (MCSE) (Expired) – Windows NT 4, Proxy, TCP/IP

• Citrix Certified Administrator (CCA) (Expired)

Contact this candidate