Linux, Aws Administrator, And Sre Resume
SUMMARY
- Offers a great deal of experience administering every aspect of computer network and related IT systems: as part of Production Operations Support.
- Communicates TEMPeffectively with all levels of personnel, management, and clients.
- Responsibilities have entailed building and maintaining information systems networks for a wide variety of different businesses: internet, healthcare, non-profit, general office, graphic design, accounting, legal, engineering, and hospitality. dis has included setup and support of large (hundreds of servers) data-centers and Cloud environments.
- Past and current work has entailed: infrastructure design and setup; hardware (server, workstation, and laptop) evaluation, building, installation, testing, and maintenance in many instances using products such as Symantec’s Ghost for image deployment; trouble-ticketing, RMA origination, tracking and completion using products such as Connectwise, Autotask, Kaseya, RedMine, JIRA, Bugzilla, and TrackIT; monitoring and analysis tools such as Groundwork/Nagios/Icinga/Sensu, Cacti, and Etheiral
- Extensive work done on single and multi-platform security issues; resolution of issues involving products from multiple vendors; implementation of Internet/Intranet/Web Technology, Network Administration, Project Management, Sales Development, and Systems Installation.
- Work with PostgreSQL, MySQL, Cloudera Hadoop, RabbitMQ, Redis, Memcached, nginx and ElasticSearch; Automation and scripting with BASH, Python, and some Ruby.
TECHNICAL SKILLS SUMMARY:
Standard Products/Platforms Supported: Linux (Redhat/CentOS, Ubuntu/Debian, SUSE) and other Unix-variants (UNIX System V.4, SCO, Sun Solaris, HP-UX); Macintosh OS (up to and including OSX); Windows NT to Server 2012.Routing, switching, and firewall technology from Cisco, Sonicwall, Netgear, and other vendors, SAN and NAS products from Adaptec and Snap; extensive work in providing customer support to (Developer and Administrative) user groups ranging in size from 1 - 5 to over 1000. Setup and support of VOIP systems including Polycom.Messaging Systems including those based on MS Exchange 5.5, 2000, 2003, 2007, and 2010. On the client side, dis has included many different versions of Outlook and a variety of other MAPI and POP3/SMTP clients. Also, a great deal of work has been done with email filtering systems such as Postini;Fault-tolerant, disaster-recovery or Backup Systems such as BackupExec, Arcserve, BackupAssist, and EMC. dis has entailed backup of standard office files, (primarily PostgreSQL, MySQLSQL) databases, and email messaging and public folder filestores. MS Office Suite, Accounting System Software including Sage Systems’ Platinum, Microsoft’s Navision and GreatPlains, and DacEasy, Mas90, and others; Load Balancing with F5 Network's Big-IP, Citrix Netscaler, Amazon ELB.Cloud computing software and services by Amazon (VPC, ELB, Route 53, RDS, S3, EC2), Google (GCE), and Metapod/MetaCloud's implementation of OpenStack; Containerization with Docker and LXC and Machine Virtualization software such Xen, Hyper-V, VMWare ESXi, and Vagrant; Win-terminal emulation software such as Citrix Metaframe; Other standard tools such as putty, ssh, Unix/Linux (Ruby, Python, BASH) scripting, Etheiral/Wireshark, Cacti/Nagios, and TCPDump; Automation tools such as Chef, Ansible, and Salt.
PROFESSIONAL EXPERIENCE:
ConfidentialLinux, AWS Administrator, and SRE
Primary Duties and Responsibilities:
- O ne of the principal infrastructure engineers who built out the AWS environments to support the SCUBI project:
- Builds new environments in AWS, including setup of VPC, subnets, security-groups, etc., including use of CloudFormation templates, Python/BOTO3 scripts, and SaltStack states.
- Setup and manage metrics-gathering and monitoring mechanisms, using Python/BOTO3, CloudWatch
- Maintains, configures and troubleshoots Linux Servers.
- Worked with and supported Developers in migrating legacy hosts and services to AWS: dis for a project involving multiple vendors and three US States.
- Performs primary O/S administration for systems including responsibility for daily monitoring, periodic patching, upgrades, and performance tuning.
- Provides on-going support of hundreds of linux servers.
- Manages LDAP/Kerberos based user access system.
- Provides Operations s upport of PostgreSQL and Oracle databases.
- Documents systems and procedures in support of the Production Operations group .
- Participates in on-call rotation.
- Working closely with Developers from Capgemini and XEROX/Conduent, one of my primary accomplishments was dat me wrote, entire, the Automation for: spinning up new environments; deploying monitoring and metrics gathering; and creating/updating alerts: much of dis related to PostgreSQL and even Oracle DB hosts. dis entailed a good deal of Python/BOTO3 scripting and the crafting of a number of SaltStack states.
Linux, AWS Administrator, and SRE
Primary Duties and Responsibilities:
- Builds new environments in AWS, including setup of VPC, subnets, security - groups, etc., including use of CloudFormation templates, Python/BOTO3 scripts, and SaltStack states.
- Setup and manage metrics-gathering and monitoring mechanisms, using Python/BOTO3, CloudWatch, Sensu.
- Maintains, configures and troubleshoots Linux Servers.
- Worked with and supported Developers in migrating legacy hosts and services to AWS: dis for a project involving multiple vendors and three US States.
- Performs primary O/S administration for systems including responsibility for daily monitoring, periodic patching, upgrades, and performance tuning.
- Provides on-going support of hundreds of linux servers.
- Manages LDAP/Kerberos based user access system.
- Participates in on-call rotation.
- Performs code deployments to production and non-production environments.
- Provides application and systems support to internal departments.
- Documents systems and procedures in support of the Production Operations group .
- S upport and administer a large, web-scale application environment with extremely high SLAs.
- Support of AWS, GCE, some OpenStack. Also, VMware and Xen Virtual environments, some LXC container instances.
- Write scripts (Bash, Python, etc.) in support of Automation.
- Makes use of configuration management tools (SaltStack, Ansible, etc.) to facilitate deployment and other day-to-day Operations work.
- Interaction with and automation work with REST API s .
Linux, Windows, AWS Administrator, and SRE
Primary Duties and Responsibilities:
- Build new environments in AWS, including setup of VPC, subnets, security - groups, etc., including use of CloudFormation templates, Python/BOTO3 scripts, and SaltStack states.
- Work with Operations and Development teams on application monitoring and log analysis frameworks to provide deep visibility into Java-based application stack.
- Participate in evolving build, deployment, and release management practices towards a continuous-integration/continuous-deployment model.
- Be a part of the on-call team responsible for the health of a 24/7 production hosted environment.
- Develop and maintain monitoring (Sensu, Icinga/Nagios, ELK) tools and automation systems.
- Manage production web services (Apache Tomcat, etc.).
- BASH, Python, and Ruby scripting to maintain systems with an eye toward maximizing Automation.
- Perform general systems administration (RHEL/CentOS, Ubuntu).
- Work with developers to troubleshoot application or infrastructure problems and manage Dev, Stage, and Prod environments.
- Work with DBAs and other Systems Administrators to maintain the health of a number of Apache, Tomcat based servers and postgresql, mysql, and Cloudera (CDH) Hadoop database systems.
- Create/improve technical documentation.
- Administer Xen virtual and Docker container instances for all non-AWS environments.
AWS, Linux, and Windows Systems Administrator
Primary Duties and Responsibilities:
- Setup AWS EC2 (running Ubuntu and RHEL Linux), S3, RDS to support custom application, with input on requirements from Dev Engineers. Also, maintained these instances in time: worked to harden security (using iptables, AWS Security Groups, rootkit protection, etc.) on them; set up Elastic Load Balancing support; installed and maintained Nagios, Cacti, ELK, and Splunk. These hosts essentially constituted the Development and Production environments.
- Managing Chef Server Infrastructure for maintaining software packages, configuration files, user accounts, etc., on Dev and Prod hosts.
- Providing day - to-day SysAdmin support of Linux, Windows, and AWS resources, network infrastructure, and user (Mac and Windows) desktop and laptop systems.
- Installed and managing company s Atlassian JIRA ticketing and Confluence wiki installations.
- Providing environment setup, equipment and software sourcing and troubleshooting to Engineering, Marketing, Sales, and Admin departments.
- Implemented Inventory Management and other processes/procedures to halp insure HIPPA compliance.
- Participates in on-call rotation and monitored systems for optimum performance and availability.
- Some day-to-day scripting in BASH and Python.
Windows and Linux Systems Administrator
Responsibilities:
- Manage Production, Stage, and Development web services (Apache, Tomcat, etc.).
- Troubleshooting, problem resolution, and general systems administration (RHEL/CentOS).
- Participate in clients' evolving build, deployment, and release management practices towards a continuous integration/continuous deployment model.
- Providing day - to-day SysAdmin support of company AWS, on-premise server, network infrastructure, and user (Mac and Windows) desktop and laptop systems.
- Other primary responsibilities include technical support and guidance in planning, implementation and ongoing operations of LANs and WANs, and implementation of end user computing applications and devices.
- Special focus on migrations to and new installations of Open Source systems.
- Support of HyperV, Vmware, and Xen virtual environments.
Confidential
Sr. Linux and Windows Systems Administrator
Responsibilities:
- Provided support of small business Cloud services accounts with Bluetie.com and Egnyte.com.
- Provided day-to-day SysAdmin support of company server, network infrastructure, and user (Mac and Windows) desktop and laptop systems.
- Rebuilt the company’s IT infrastructure: moving it to systems more suitable to a rapidly growing company.
- Worked with SQL DBAs and other Systems Administrators to maintain the health of a number of NGINX web servers and MySQL database servers.
IT Consultant and Support Specialist
Responsibilities:
- Managed all aspects of new network installations. dis included a great deal of work with 3rd party software and service providers and with ISPs.
- Focus is on providing network, server, and application installation as well as desktop and laptop support services to businesses in San Francisco and the Surrounding Bay Area.
- Primary responsibilities included technical support and guidance in planning, implementation and ongoing operations of LANs and WANs, and implementation of end user computing applications and devices.
- Spearheaded the development and completion of projects ranging from the upgrade/enhancement of existing infrastructures, installations of new products/businesses and the building of new networks. Duties included interacting with a variety of technical and non-technical staff.
Linux and Windows Systems Administrator
Responsibilities:
- Provided day-to-day SysAdmin support of company server, network infrastructure, and user desktop and laptop systems.
- Rebuilt the company’s IT infrastructure: moving it to systems more suitable to a rapidly growing company. Projects Included:
- Migrated the startup company from a five-year-old Quickbooks database (over 20GBs in size) to the latest version of Sage’s Platinum Accounting system. Migrated the company from a five-year-old Exchange 2003 mail system (over 60GB in size) to Exchange 2007.\Re-built the company’s infrastructure by replacing older un-managed switches with managed devices and setting up a series of VLANs to better manage local network traffic.
- Replaced an aging Linux-based firewall (Hopscotch) and Windows 2003 RAS-based VPN setup with Cisco’s ASA5500.
IT Specialist, Linux and Windows Systems Administrator
Responsibilities:
- Focused on providing network, server, and application installation as well as desktop support services to businesses in Oregon and Washington.
- Primary responsibilities included technical support and guidance in planning, implementation and ongoing operations of LANs and WANs, and implementation of end user computing applications and devices. dis also entailed the delivery of custom computer solutions to improve client business operations.-Supported businesses ranging in size from 1 to 1,000 computer users in the marketing, real estate, insurance, accounting, legal, engineering services, hospitality, and restaurant industries. User applications included MS-Office, Outlook, and Exchange, Groupwise, AutoCAD, Corel’s Creative Suite, GreatPlains, ADP PCPayroll, and a variety of other property management, time tracking, and accounting programs.
- Troubleshot customer issues related to site-to-site connectivity to network infrastructure, server, and workstation printers. dis entailed work with Frame Relay WAN, DSL, Cable, and other WAN services and Cisco router equipment. Also, installed, maintained, and provided end user training and support on the operation of network access software such as Windows Terminal Server client, VNC, PCAnywhere, and various VPN clients.
- Spearheaded the development and completion of projects ranging from the upgrade/enhancement of existing infrastructures, installations of new products/businesses and the building of new networks. Duties included interacting with a variety of technical and non-technical staff.
- Managed a team of user support and installation technicians in the setup of IT systems across the states of Oregon and Washington. Acted as project manager and chief installer for the IT side of each property’s setup.
- Maintained SQL server based applications including systems built on MS-SQL 7 and 2000, Oracle, and (Novell Netware) Btrieve.
- Completed installation and maintenance of more than 40 other NT and Windows2000 Server-based office LANs and POS networks.
- Many of the networks contained a mixture of Windows-based servers and workstations, Novell Netware, and Macintoshes. Supportof these sites required a high level of noledge of file and printer sharing and messaging between disparate systems.
- Served as the primary provider of network and email systems administration, user support, consulting, and troubleshooting for a large collection of brewpubs, hotels, and restaurants in Oregon and Washington.