TECHNICAL SKILLS:

Operating Systems: Linux, Unix; Sun Solaris; CentOS and Red Hat Enterprise Linux

Languages: Bourne Shell, Bash, Perl, sed, awk, regular expressions

EXPERIENCE:

Confidential, San Diego, CA

SR LINUX SYSTEMS ADMINISTRATOR

Responsibilities:

• As part of the Network & System Administrator team, supported several development, release and support cycles.
• Primary editor of BACN SysAdmin coding standards policy.
• Re - wrote the BACN DISA STIG hardening script for RHEL5 and 6, approximately 10,000 lines of code.
• As part of the Spectrum Center SCEE team, wrote scripts to harden Linux systems to NIST DFARS standards, automate remote administration, and worked to centralize Linux authentication and tie it to Windows Active Directory.
• Helped implement two-factor authentication.
• As part of Test Group G and Test Group L, automated their system data collection and resource utilization measurements.
• Also automated their conversion of raw data to deliverable tables and graphics. Sped up content collection and creation of deliverables.
• As part of BACN/DevOps helped prepare and transition all BACN Linux development computers to a new network in a DFARS-compliant way.
• Set up centralized configuration management for remote administration and to maintain compliance. Provided SysAdmin support and troubleshooting for the software development team.

Confidential. San Diego, CA

SR SYSTEMS ADMINISTRATOR

Responsibilities:

• Worked as a temporary employee supporting Confidential ’s custom software for burning encryption keys onto chips manufactured at remote fabs.

Confidential, San Diego, CA

SR SYSTEMS ADMINISTRATOR

Responsibilities:

• Highly virtualized environment using Solaris Zones on x86 and SPARC hardware.
• Configured/operated/maintained a live 24x7 environment including firewall (Cisco ASA), load balancer (BigIP F5), web servers (Apache), Application layer (WebLogic and Tomcat). The team also maintained DNS and LDAP services. Shared on-call duties for 24x7 support.

Confidential, San Diego, CA

SR UNIX SYSTEMS ADMINISTRATOR

Responsibilities:

• Enterprise Systems Administrator, hosting Oracle 10 and Oracle 11 databases, EBS, APS, Agile, BI, and other assorted applications.
• Also maintained many Linux workstations and servers for running CAD software (Cadence), MATLAB plus various simulations. Servers ran a mixture of Solaris and Red Hat Enterprise Linux (RHEL and/or CentOS).
• Administered over 100 servers and workstations; a mixture of virtual (VMware) and physical.
• Also administered EMC disk-to-disk backup and recovery software (Avamar).
• Primary person for Linux and Solaris system architecture design.
• Primary person responsible for systems installation, configuration and maintenance
• Automate tasks using Perl and shell scripts

Confidential, San Diego, CA

SR UNIX SYSTEM ADMINISTRATOR / SERVER OPERATIONS

Responsibilities:

• Senior Unix Systems Administrator—Enterprise Systems Administrator, hosting Oracle 9 and Oracle 10 RAC databases, E1/ERP, Siebel/CTMS, LiveLink, SAP and other assorted applications.
• Administer approximately 100 servers, including 50 Sun/Solaris servers models V490, x4540, T2000, T52x0, E420, V240, V245, and 40 x86 Linux (RHEL 4 & 5) servers.
• Assist in system architecture design.
• Primary person responsible for systems installation, configuration and maintenance Automate tasks using Bourne shell, Korn shell and/or Perl.
• Support 24x7x365 production environment, providing 99.99+% uptime.

Confidential, San Diego, CA

SR STAFF UNIX SYSTEM ADMINISTRATOR

Responsibilities:

• Help maintain EMC Clariion CX700 arrays, and the fiber channel fabric.
• Maintain Linux servers and workstations running RHEL 4 and 5.
• CFengine configuration and maintenance.
• Utilize Semantic (Veritas) Volume Manager (VxVM)/Foundation Suite and/or Solaris Volume Manager (SVM/SDS) on the host side.
• Work with vendors when determining future IT department purchases, and help negotiate maintenance contracts.
• Assist in system architecture design.
• Primary person responsible for systems installation, configuration and maintenance; also support contracts.
• Utilize NIS, NFS, automount, SSH, rsync.
• Automate tasks using Bourne shell, Korn shell and/or Perl.
• Support 24x7x365 production environment, providing 99.99+% uptime.

Confidential, San Diego, CA

SR UNIX SYSTEM ADMINISTRATOR

Responsibilities:

• Installed, configured, and maintained Solaris, Linux (RHEL4) and Windows systems in a software development environment.
• Equipment included IBM Blade Centers, Red Hat Enterprise Linux, Win2K, WinXP, IBM SAN, NetApp NAS
• Supported Rational Rose, Rational Clearcase in a distributed environment. Shell and Perl scripting.
• Secret security clearance.

Confidential, San Diego, CA

SR STAFF UNIX SYSTEM ADMINSITRATOR

Responsibilities:

• Work with vendors when determining future IT department purchases.
• Negotiate maintenance contracts.
• Responsible for all normal maintenance, support contracts, new hardware sizing and selection.
• Install and configure all new systems.
• Utilize NIS, NFS, automount, SSH, rsync, Veritas File System (VxFS).
• Automate tasks using Bourne shell, Korn shell and/or Perl.
• Support 24x7x365 manufacturing production environment, providing 99.99+% uptime.

Confidential, San Diego, CA

LEAD UNIX SYSTEM ADMINISTRATOR

Responsibilities:

• Lead of four Unix Admins at large NOC operated by Confidential for the Confidential and Marine Corps.
• Administered over 40 Sun Enterprise 6500, 4500, 420 and 220 systems, and workstations. 30+ Sun T3 StorEdge (RAID) Arrays. Host Oracle 8i; SharePlex; Remedy Action Request System; Tivoli Framework, NetView, Tivoli Event Console; Veritas File System, Volume Manager, Netbackup applications. Assist with Tivoli Admin duties.
• Extensive shell and Perl scripting.
• Secret security clearance.

Confidential, San Diego, CA

UNIX SYSTEM ADMINISTRATOR

Responsibilities:

• Performed installation and maintenance of Sun Solaris machines.
• Responsible for all UNIX installation, configuration, backup, and network administration duties.
• Administered NAT and Firewall server.
• Administered servers for the following services: Mail, LDAP servers, DHCP, ftp, HTML (web), File & Print, Database, Calendar.
• Created shell scripts to automate tasks.
• Provided tier II-V support backing up four level I technicians.

Confidential, San Diego, CA

QA ENGINEER / SYSTEM ADMINISTRATOR

Responsibilities:

• Responsible for Quality Assurance testing of a suite of software developed for us by the Confidential ’s GCCS-M Ashore program.
• Performed software installation, administration and maintenance on multiple HP-UX (UNIX) servers.
• Used shell scripts, Oracle, SQL and MS Access for testing.
• Supported for mail server, internet gateway and network troubleshooting.
• Secret security clearance.