Sr Unix Admin Resume
OBJECTIVE
- A position where more than 20 years experience as a Senior Unix Systems Administrator (Solaris, LINUX, HP - UX, and AIX) will contribute and allow me to learn new skills to help my employer achieve their business objectives.
SUMMARY
- Building/configuration of kickstart/jumpstart/ignite/nim servers to facilitate building client machines
- Hardening of *NIX servers and clients against outside attacks (ssh, tcpwrappers, IPtables, authorized keys (RSA/DSA), removal of R-commands/telnet)
- Kernel performance optimization (Solaris/LINUX) for Oracle server needs
- Build/configure/maintain Checkpoint firewalls (IPSO, patching, rulesets)
- Building/configuration/maintenance of RedHat EL (3/4/5) servers, as well as SUN 52xx, M4000, M6000, RX3600 RP3440.
- Use Solaris Disk Suites to mirror system drives in jumpstart build
- Logical Volume Manager
- Administration of DNS Master and slave servers for 100+ clients (bind 8 & 9)
- Built and configured Amanda to utilized autoloaders for backing up *NIX and PC clients on network(s) (using combination of ntbackup and samba)
- Built/configured/maintained NAS (1TB), using 10 tape autoloader to facilitate backups using Amanda
- Administration of AFS servers, for maintenance of user dataspace and accounts.
- Administration of Kerberos for user authentication and tying into Active Directory for PC accounts (one account login)
- Make hardware/software purchase recommendations to Dept. heads as needed (3 yr. hardware life-cycle for budget planning)
- Build/configure/maintain NFS, AFS, DNS, Sendmail, NIS (server/client), Apache
TECHNICAL SKILLS
Hardware: SUN 280R, T5220, RX3600, RP3440, M4000, M6000, P710/20/30
Software: LINUX RHEL (5, 6,7), SuSe 11, Fedora, Centos, OpenBSD, Solaris 2.5.1 thru 11, zones), HP-UX 8 thru 11.31, IRIX, AIX(5/6/7), VIO server, LPARs, HMC, TRUServer (Ultrix), ESXi 5/5.1
Shells/Tools: Bourne, Csh, Tcsh, Korn, BASH, Perl, awk, sed
PROFESSIONAL EXPERIENCE
Sr UNIX Admin
Confidential
Responsibilities:
- Migrate 153 AIX systems from Mexico to Troy, NY datacenter, using mksysb’s to create SPOT for install
- Use HMC console window to monitor install
Sr. UNIX Engineer
Confidential
Responsibilities:
- Migrate 7 SLES/UBUNTU servers to CENTOS 7 for client
- Built kickstart and yum repo server for client (Centos 6/7)
UNIX Consultant
Confidential
Responsibilities:
- Move existing DataCenter from Tel Aviv to Houston TX
- Build Solaris jumpstart server and create Solaris 10/9/8 clients
- Build configure kickstart server for client builds
- Build RHEL 5/6 clients
- Build LPARs using HMC/VIO server
- Build AIX NIM server and create AIX 5.2/5.3/6.1 clients
- Build HPUX ignite server and create HPUX 11.11/11.23/11.31 clients
- Configure ILOMs/ALOMs to allow for remote console access
- Make hardware refresh recommendations for all platforms
- Install/configure HMC for AIX clients
- Use Vcenter to build VM clients on hosts (allocate disk/memory/network)
- Built yum repo server for client
- Resolve DNS/NIS issues transitioning systems to new DataCenter (DC)
- Resolve user issues during DC transition
UNIX Consultant
Confidential
Responsibilities:
- After hours and weekend support contract
- Remote support for production and DR site HP-PARISC systems running 11.23
- User account management
Sr. Systems Administrator
Confidential
Responsibilities:
- Configure SUN ILOMs, HPUX ALOMs for remote access Installed/configured
- Install/configure HMC’s (Hardware Management Consoles) to allow for Management of AIX systems in SC/DCOE/RTP labs
- Configure SUN/HPUX/AIX systems for DHCP
- Installed/configured M6000 (4) SPARC, (3) X86 blades
- Design/install/configure jumpstart for Solaris, created flar *golden images* for Solaris of system disk. to allow for Bare Metal Restore (BMR). Deployed this solution in RTP/DCOE/SC labs
- Design/install/configure Ignite for HPUX, created *golden images* for HPUX system (BMR) of system disk. Deployed this solution in RTP/DCOE/SC labs
- Install/configure VIO server and LPARs on IBM P series hardware in SC/DCOE/RTP labs
- Design/install/configure NIM for AIX, created mksysb *golden images for AIX (5.3,6.1,7.1) system (BMR) of system disk. Deployed this solution in RTP/DCOE/SC labs
- Use Vcenter to build VM clients on hosts (allocate disk/memory/network)
- Design/install/configure kickstart RHEL systems in SC/DCOE/RTP labs. Customize port install scripts to allow for total hands-off install. Used NFS installation methodology, no PXE server needed.
- The process jumpstart/ignite/nim/kickstart processes saved several hours per system of manual installation and configuration, allowing for cookie-cutter installs with no manual intervention
- Install ESXi 5.0, configure host for Management, Vmotion and vnic interfaces
- Install/configure OEL on several VMs
Sr. Systems Administrator
Confidential
Responsibilities:
- Maintain existing production LINUX RH environment in support of Boeing Commercial Aircraft division across the US
- Work with Remedy (BARS) to insure proper response to customer tickets
- Install OVO in RHEL environment
- Resolve netbackup client issues
Sr. Systems Administrator
Confidential
Responsibilities:
- Lead Sys. Admin. for Disaster Recovery and Banner projects
- Built kickstart server for installation and use RHN for patch management
- Travel to 17 University affiliates to upgrade Puredisk from 6.5 to 6.6
- Configure SUN 2540/6140 arrays using CAM software, implement multi-pathing for arrays
- Troubleshoot VxVM kernel issues (SuSE 10)
- Provide backup *NIX Sys. Admin for support for 17 University affiliates as requested (patching, software installation, etc)
- Configure netbackup master servers, create SLPs and DR backup policies
- Configure/maintain Puredisk environment (DR)
- Maintain DELL blade center (24 blades)
Sr. Systems Administrator
Confidential
Responsibilities:
- Rebuilt SUN M4000 (global/ 4 zones) after hard drive failure
- Reallocate LUNs from SAN after rebuild for M4000
- Install/configure CUPs printing system on (server on globals, client on zones)
- Build 2nd M4000 with 2 inherited zones
- Configure ILOMs for remoter administration/access to console
- Configure Windows Services for UNIX to allow SUNs to mount Windows server shares
- Create FLAR image backups of M4000 for DR purposes
- Kernel tuning HP-UX servers, maintain existing production environement
- Allocate storage from XP 48 array to HPs as needed
- CIFS maintenance
UNIX Engineer
Confidential
Responsibilities:
- Rebuilt kickstart and jumpstart infrastructures
- Expand swap and filesystem LVM’s
- Opsware scripting (rosh) to update/maintain clients
- Install opsware, ITM, netbackup (nsr) and vmclient agents
- Configure VMWare clients
- Purchase recommendations for SUN M3K and M5K hardware
Sr. UNIX Contractor
Confidential
Responsibilities:
- Build and configure jumpstart server for environment
- Creating/maintaining user accounts.
- Tuning the kernel as required by applications
- Use hardware raid on SUN T5220’s to mirror system drives
- Install/configure ILOM’s for SUN boxes to use ssh for connectivity
- Work with Oracle DBA’s to resolve printing issues
- Use HP Openview Service Center to resolve 3rd level tickets
- Help resolve sendmail issues
Sr. UNIX Contractor
Confidential
Responsibilities:
- Build and configure jumpstart and ignite server(s) for environment
- Creating/maintaining user accounts.
- Tuning the kernel as required by applications
- Use hardware raid on SUN T5220’s to mirror system drives
- Install/configure ILOM’s for SUN boxes to use ssh for connectivity
- Configure LOM’s for HPUX hardware
Sr. UNIX Contractor
Confidential
Responsibilities:
- Created "Golden Image" for HP-UX11.23, after applying STIGS and running SRR checks. Utilized ignite for build clients with "application and database" build formats.
- Tuning the kernel as required by applications (Oracle, Weblogic)
- Securing/hardening of the HP-UX Operating Systems.
- Building Ignite server and creating custom clients in the HP-UX environment.
- Troubleshooting miscellaneous problems with HP-UX.
- Build "Gold Images" for application/database servers.
- Use Veritas to "grow" logical volumes as needed by applications.
Sr. UNIX Contractor
Confidential
Responsibilities:
- Build jumpstart server for Solaris 10 client imaging
- Use Solaris Disk Suites in jumpstart build to mirror system disk as part of DRP.
- Make infrastructure/architecture recommendation to site Enterprise System Architect
- Implement system security on servers, test and development boxes as recommended in STIGS.