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Linux /unix System Engineer Resume

Phoenix, AZ

SUMMARY:

UNIX and Linux administrator, with a strong performance background in wide variety of professional system support and solution - based IT services for Linux Systems administrations, including monitoring application and troubleshooting and maintenance of operating systems.

TECHNICAL PROFICIENCY AND EXPERTISE:

  • Oracle Solaris UNIX and Red Hat Linux and CentOS,SuSE, Ubuntu, AIX, Solaris, Windows, AWS.
  • Strong knowledge of Weblogic, Webshpere, TomCat, Oracle, Sybase, SQL, Sitescope, SolaWinds, ScienceLogic, Nagios, BMC, Icinga, products
  • Excellent communication, interpersonal and customer handling skills
  • Ability to document procedures and processes accurately.
  • Self-starter with strong organizational skills, strong sense of teamwork, and ability to pass on knowledge to other members of the team and share knowledge accordingly to peers

PROFESSIONAL EXPERIENCE:

Confidential, Phoenix, AZ

LINUX /UNIX System Engineer

Responsibilities:

  • Installed and configured Red Hat LINUX and UNIX, Solaris LDAP/NIS/DNS administration.
  • Software installation and upgrades.
  • System resources management and application support administrator.
  • Demonstrable experience of working within a highly scalable system that rely heavily on Unix, Linux and open source technologies. experience as a Systems Admin/engineering role on Windows / Unix based server platforms - LINUX, AIX, Solaris, and AWS
  • Created Solaris Jumpstart and Linux Kickstart servers and processes to automate and standardize the installation process, reducing installation time
  • 10 years of VMWare experience, knowledge of virtualization concepts and techniques
  • Monitors and evaluates efficiency of system usage and make recommendations to management to improve performance
  • Assists in the development of disaster recovery plans with service providers and network carriers
  • Monitor network performance/utilization statistics and recommend/implement changes to ensure optimum network performance/utilization
  • Monitored the servers and Linux scripts regularly and performed troubleshooting steps - Tested and installed the latest software on server for end-users.
  • Involved AWS(SMS) migrate from internal VMware to AWS EC2 project.

UNIX / LINUX System Engineer

Confidential, Phoenix, AZ

Responsibilities:

  • Functioned as primary UNIX/Linux administer and systems engineer to maintain system services and performance
  • Planned and executed Linux system puppet changes and upgrades.
  • Work with application specific kernel parameters, system hardening, implement firewall, allow and disallow port access. Work with latency sensitive workload that includes process scheduling, memory, network and overall performance tuning of RHEL and CentOS.
  • Performance troubleshooting with sar, vmstat, iostat, tcpdump, aide, traceroute,iperf, hdparm, tcptrace, pmap,iptraf, wireshark, netstat, top, esxtop, performance monitoring, using BPPM, Icinga, and snmp.
  • Installation configuration of PuppetServer and ensure central administration, package update and maintenance of the updatedinfrastructure.Manage end user accounts, permissions, access rights, and security, and regulatory compliance, as defined.
  • Recommend, schedule, and perform software and hardware improvements, upgrades, patches, reconfigurations, and/or purchases.
  • Installed and configured all the Linux servers in the network per specifications of clients.
  • Monitored the servers and Linux scripts regularly and performed troubleshooting steps - Tested and installed the latest software on server for end-users.
  • Linux Kickstart servers and processes to automate and standardize the installation process, reducing installation time

UNIX System Engineer

Confidential, Mt view, CA

Responsibilities:

  • Functioned as primary Linux administer and systems engineer to maintain system services and performance
  • Planned and executed Linux system changes and upgrades. backup Advanced knowledge of complex, multiple domain Active Directory infrastructures, including site setup and management, architecture/topology, schemas and schema extension management, group management, group policies, user account management, management of printers and other computer objects
  • Splunk server to monitor both Windows and Linux physical and virtual environments.
  • Installation configuration of ChefServer and Chefworkstation to ensure central administration, user creation, package update and maintenance of the infrastructure.
  • Manage end user accounts, permissions, access rights, and storage allocations in accordance with best-practices regarding privacy, security, and regulatory compliance, as defined.
  • Analyze systems, servers, applications, networks, and input/output devices performance
  • Recommend, schedule, and perform software and hardware improvements, upgrades, patches, Data Center storage system
  • Installed and configured all the Linux servers in the network per specifications of clients.
  • Monitored the servers and Linux scripts regularly and performed troubleshooting steps - Tested and installed the latest software on server for end-users.
  • Linux Kickstart servers and processes to automate and standardize the installation process, reducing installation time
  • Install, configure, maintain and administer Linux / UNIX operating systems and components. Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache.
  • Reduced cost by consolidating Virtual Machines into High CPU Count Servers, reducing overall Rack space and power consumption at the Data Center.
  • Planned and coordinated multiple server redeployment and cleanup effort. Management of server systems using Chef.

UNIX System Engineer

Confidential

Responsibilities:

  • Build and installed multiple Linux machines.anduser and groups accounts, setting permissions for users.
  • Stood up and administered a Splunk server to monitor both Windows and Linux physical and virtual environments.
  • Provided management of system process in areas like boot process, startup and system shutdown.
  • Planned and executed packages and updates installations necessary for optimal system performance.
  • Implemented sudo utility throughout the environment for ESB servers and documented the process.
  • Worked with Backup team to install and configure networker client on the Linux servers.

UNIX System Engineer

Confidential

Responsibilities:

  • Oracle Red Hat LINUX installation and administration for over 1000 LINUX core systems. NIS/DNS administration. Software installation and upgrades. System resources management and application support administrator. Assist in Cloud setup by virtualization of CAL infrastructure by installing VMware ESX/VM servers. Netapp Storage support for VMware ESX/VM servers/VMs. Veritas Volume Manager/ File system/Cluster Server (VCS) administration. LDAP administration. Oracle Enterprise Manager Ops Center and CA Unicenter Desktop and Server Management.
  • Managed Confidential RedHat and Solaris and VMware ESX servers (Unix,Linux,VMware ESX Vcenter) and configure, install Oracle M9000, M5000,M4000 system. andSoftware installation and Patch upgrades by Oracle Ops-Center-12c,and setup Solaris ZONE/container and LDOM and configure Oracle cluster with NetApp Hitachi LUN setup,Mcdata configure with EMULEX pci-e Card.
  • Managed LDAP controllers and Data Center Oracle DataBase system setup VMWARE imaging multiple OS Linux and Windows Server using Kickstart and UNIX jumpstart server. maintenance M9000, M5000, M4000 Oracle SUN system. Data Center storage system netbackup daily.

Systems and Network Engineer(LAB Manager)

Confidential, Milpitas, CA

Responsibilities:

  • managed Corporate LAB server(Unix,Linux, MS) and configure, Cisco Router and Switchs 3600,4506,2600, and Check Point firewall, Barracuda spam and all type of WIFI Handheld Device and setup a heterogeneous environments UNIX, LINUX, VMware,Windows 200X Server, NIS, DNS, DHCP,VPN, VMware, and Windows DOMAIN Controller. AndNagios and RT Helpdesk ticketing.
  • Maintain documentation/inventory on the local network infrastructure and services (connections, hardware, applications, topology, processes and procedures)
  • Deployed secure Wi-Fi access infrastructure and Access Points for the company to provide Internet access to guests and LAN access to employees using Airspace and Cisco Aeronet 1230 APs.
  • Supported remote users access with connectivity issues documenting corrective actions taken
  • Provided continuity of network services working on redundancy of WAN connectivity and monitoring critical components providing services such as firewall, DNS public and internal, DHCP servers and WEB server.
  • Managed domain controllers and maintenance and repair all Desktops/Laptops, and manage Print server configuration and maintenance manage Engineering LAB system setup VMWARE imaging multiple OS Linux and Windows Server using Kickstart and UNIX jumpstart server.

System Administrator / VoIP Engineer

Confidential, Santa Clara, CA

Responsibilities:

  • managed Test LAB setup and configure, Cisco Router and Switchs, PSTN VOIP Gateway AS5300,2621XM,Cisco Router 3600,1700,2600, Foundry switch, FastIron,BigIron, NetIron, Acme-Packet, AirSpace WIFI Access, HP ProCurve WIFI Access, Linksys WIFI, NetGear WIFI, D-link WIFI, Sonus Gateway, and Cisco SIP Phone 97XX, PingTel Sip Phone, setup a heterogeneous environments UNIX and LINUX and Windows 200X Server NIS, DNS, DHCP,VPN, and Windows DOMAIN Controller.
  • VOIP Test LAB managed. setup SIP server and VOIP gateway router and SIP,H323,MGCP Phone
  • Maintain documentation/inventory on the local network infrastructure and services (connections, hardware, applications, topology, processes and procedures)
  • Provided continuity of network services working on redundancy of WAN connectivity and monitoring critical components providing services such as firewall, DNS public and internal, DHCP servers and WEB server.
  • Managed domain controllers and maintenance and repair all Desktops/Laptops, and manage Print server configuration and maintenance
  • Maintenance, McAfee ePolicy Orchestrator Virus server and client and Maintenance and upgrade all windows servers, Setup Exchange server, SQL Server,VPN, WEB, FTP, Telnet, File Server,DHCPServer,VERITAS Backup server.
  • Shell Scripting automated testing processor.

System/Network Engineer

Confidential, San Jose, CA

Responsibilities:

  • Technical support CAD develop engineering team and setup sun and HP-UX server (HP9000,enter-prize,Netra ) and DESKTOP/LAPTOP setup and repair.
  • Supported remote users access with connectivity issues documenting corrective actions taken
  • Maintenance, McafeeePolicy Orchestrator Virus server and client and Maintenance and upgrade all windows servers, Setup Exchange server Virus Server,SQlserver,VPN,WEB, FTP, Telnet, File server,DHCPServer,VERIATS Backup server .
  • Engineering LAB setup and configuration of various UNIX systems and Network equipment including Cisco 3600,2620, Nortel PBX Phone.
  • Setup, deployed and managed CAD file servers with improved availability through RAID storage sub-systems.
  • NIS and DNS, NFS, DHCP environment interact with Microsoft windows Environment.
  • Shell Scripting automated testing processor.

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