SUMMARY:

• Over seven years of professional experience working in fast - paced IT startups. Deep working knowledge building reliable services and infrastructure based upon clustered technology in the cloud or in-house.
• Experience in scripting (Bash, Python, PowerShell) and programming (C, C++, Java, Ruby).
• Deep working knowledge of all versions of Windows and OSX, most current versions of Centos and Ubuntu, and also HP/UX. Experience provisioning and deploying Network infrastructure.
• Experience managing vendor relationships

TECHNICAL SKILLS:

Microsoft: Windows XP through Server 2016; Licensing, AD, Group Policies, DNS, DHCP.

Linux/UNIX: OS X, CentOS, Red Hat, Ubuntu, HP/UX

Virtualization: VMWare, Hyper-V and Citrix solutions for Server and Desktop virtualization

AWS: EC2, IAM, S3, Cloud Front, Route 53

Robust clusters: Online backup, monitoring, and notifications

Atlassian: Jira, Confluence, HipChat and Bitbucket administration, configuration and maintenance

Languages: Proficient in Java, Python, C. Familiar with C++, Bash, Powershell. Experience in Ruby, MIPS.

Networking: Configuring Switches, Routers, and Firewalls, Identifying basic security threats, Understanding redundant topologies, Troubleshooting issues, Configuring EIGRP, OSPF, DNS (MS, DynECT, GoDaddy, NSOne), DHCP, DFS, IIS, Linux BIND, Apache, Tomcat, Nginx, Squid, Cisco iOS, Load balancers, VPN, VOIP, NAC, IPS, TCP/IP.

Databases: MS (SQL Server 2012, 2008 R2, 2005), MongoDB, MySQL

Storage: EMC VNX-E, QNAP, FreeNAS, NetApp, Amazon S3

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA

System Administrator

• Responsible for IT infrastructure from ground-up: Access control and end-user support for 160 OPSWAT global team members using AD DS, OKTA SSO, and IAM.
• Responsible for approximately 60 cloud (AWS EC2) instances and 60 physical private infrastructure (XenServer, VMWare, Hyper-V) hosts, hosting as many as 300 individual Virtual machines and appliances for SaaS product development on Linux OSX and Windows platforms with a Mongo back-end, and having a capacity of over 40TB of hosted virus definition files.
• Designed and implemented AWS policies and roles.
• Monitored all systems and infrastructure using Zenoss, Zabbix and Nagios.
• Created scripts for managing Group Policy package deployment.
• Participated in a regular release process with development to a Continuous Delivery Pipeline using TeamCity, Ghost Inspector, and Pingdom. Automated deployment processes with Ansible, Python, Cloud Formation, and Bash allowing to dynamically scale up and down based on demand.
• Migrated problematic switching hardware.
• Responsible for migration of Shoretel VOIP Server to 8x8 hosted phone service.
• Migrated in-house JIRA server instance to JIRA On-Demand cloud.
• Implemented a new wireless system with enterprise grade security.
• Implemented a local DNS system for Linux development network.
• Responsible for documenting all processes for network, storage, and virtual infrastructure.
• Responsible for corporate backups using Symantec Backup Exec 2012 and Veeam 7.0
• Responsible for access control to hosted services: Microsoft Partner Network, OKTA, the full Atlassian suite, 8x8 Hosted Phone service, Appriver hosted Exchange, Dropbox for Business, Office 365, Slack, Phone.com, Salesforce, Netsuite and Apple Developer Network hosted services.
• Responsible for proper tracking of assets through their life cycle: Created a Jira Asset management system for asset tracking using Atlassian’s JIRA ticket management software.
• Implemented VPN services on Checkpoint Next Gen Firewall.

Confidential, San Francisco, CA

Student

• Linux Kernel Development: Worked with understanding system calls such as signals, sockets, POSIX IPC, and POSIX threads; kernel internal structures.
• Relational database systems implementation techniques: Design and implementation of database applications using sound ER/Relational design techniques. Implemented and evaluated a series of design problems illustrating the correct use of relational technology for building stand-alone and Web-based applications on both SQL Server under Windows and Oracle under Solaris.

Confidential, Oakland, CA

Junior Network Administrator

• Responsible for Network and System Administrator support-services for nearly 300 employees spread out across seven locations in California using Active Directory Groups, DFS and
• Built-out warehouse storefront network-infrastructure. Travelled to remote sites and build-out new storefronts as the company expanded across California. Ran over five miles of Cat 5e cabling to wire a warehouse for AXIS Video security and Nortel Phone Systems
• Responsible for Microsoft Retail Management System (RMS) and approximately 30 Point of sale devices in the retail locations.
• Created Microsoft Access Database for product inventory tracking.
• Responsible for Nortel phone system.
• Responsible for migration of Windows Small Business Server 2000 to Windows server 2003.
• Responsible for Windows 2000 and 2003 Servers, Microsoft Exchange Server 2000 and 2003, and MS Access Database system.
• Responsible for Veritas backups of Domain Controller and user data to DDS4 tapes.