Unix Administrator Resume
Champaign, IL
PROFESSIONAL SUMMARY:
- IT Professional with over 20 years of experience functioning as a Unix/Linux Systems Administrator. Has worked with various versions of Unix and Linux, including AIX, Solaris, HP - UX, Red Hat and SUSE.
- Experience has been gained in enterprise environments, including a Confidential, Confidential . A true professional who works equally well independently or as a member of a team. Possesses excellent verbal and written communication skills
TECHNICAL SKILLS:
Technical environments: 1200+ Confidential RS6000 servers, including Power 7, Power6, Power5, servers running AIX 4.2.X, 4.3.X, 5.2, 5.3, 6.1, 7.1, HACMP, Oracle SSA subsystems, Shark SAN, HPUX 10.0, 10.20, 11.0, MQ Series, Oracle, 10+ Sun Sparc 3000, 4000, servers running Solaris 5, 7, 8 Gigabit networking for a SAN, 100 Mbit networking using Cisco and Brocade switches
Skills: Familiarity with tools for analyzing networking and operating system performance. Shell scripting.
PROFESSIONAL EXPERIENCE:
Confidential, Champaign, IL
UNIX Administrator
Responsibilities:
- Part of a team dedicated to Linux/based servers used in conjunction with Mathematica and other Wolfram products.
- Administer internal servers, build appliances for customers,install appliances at customer sites,work with application developers to ensure required packages are installed on servers for internal and customer facing servers.
Confidential, Dubuque, IA
Responsibilities:
- On the run and maintain team, upgrading servers, diagnosing problems, fixing problems, installing new software, and managing user accounts.
- Monitored server performance.
- Configured and upgraded HA clusters in an ITAR environment to the customer's GOLD standards (redundancy in separate buildings, including SAN, tape libraries, servers, HMC's, etc.)
- Upgrade, configure and maintain customer's HMC's.
- Configured LPARs and managed frame resources.
- Configured a NIM server in a secured environment.
- Administer/configure LDAP for Confidential customers.
- Upgraded servers to AIX 6.1.8 and also to 7.1. Migrations to new technology and maintenance levels also.
Confidential, Dubuque, IA
AIX Subject Matter Expert
Responsibilities:
- Part of one of the run and maintain teams Confidential has for its accounts. Part of a project team for a large international customer to upgrade servers under International Traffic in Arms Regulations (ITAR) policies.
- Established and configured GPFS filesystems.
- Worked with other teams in Disaster Recovery testing.
- Administered servers running RHEL, including on VMware servers.
- Involved in the server refresh process, by designing and presenting upgrade solutions to project managers and the customers' IT leadership.
- Currently have ITAR, and a DOD confidential clearance.
Confidential, Joliet, IL
Senior Unix Administrator (contractor)
Responsibilities:
- On the run and maintain team, upgrading servers, diagnosing problems, fixing problems, installing new software, and managing user accounts.
- Monitored server performance.
- Configured NIM for Confidential 's AIX servers.
- Configured and administered Confidential 's HMC's.
- Configured and administered LDAP servers.
- Configured LPARs and managed frame resources.
- Established and configured GPFS filesystems.
- Worked with other teams in Disaster Recovery testing.
- Administered servers running RHEL 5, including scripting.
- Involved in the server refresh process, by assisting in capacity planning, and researching new hardware.
- Wrote scripts to monitor server health, examine logs, and validate corporate security standards.
Confidential, Columbus, OH
Senior Unix Administrator (contractor)
Responsibilities:
- Part of the team responsible for maintaining production servers across JPMorgan's WAN.
- Diagnose and fix software issues on servers.
- Configured and maintained HMCs.
- Worked with VIO servers to set up virtual partitions.
- Monitored server performance
- Wrote scripts to determine the status of servers.
Confidential, Bloomington, IL
External Systems Analyst
Responsibilities:
- Member of the team responsible for all 1200+ Confidential AIX servers located at facilities throughout the US and Canada.
- Configured and installed AIX on servers and LPARS.
- Configured virtual servers using HMC's, including setting up VIO servers.
- Configured a Power5 570 and 2 Power6 570's with 400TB shared SAN (the largest SAN allocation on a server at State Farm).
- Configured ftp on servers to accommodate large file transfers, using TCP/IP parameter settings.
Confidential, Springfield, IL
Senior Software System Engineer (Senior UNIX Systems Administrator)
Responsibilities:
- Responsible for production UNIX servers throughout the hospital system. Responsible for SAN. Responsible for HACMP cluster used for Lawson application. Responsible for 16 AIX, 4 Solaris, 1 HPUX, and 6 Linux servers, including 1 HACMP cluster and a SAN.
- Configured and maintained hospital's Tivoli backup system.
- Installed and helped configure Oracle databases and filesystems.
- Configured and maintained the brocade fabric.
- Configured servers to use NIS, NTP, ssh, sftp, and DNS.
- Configured Vmware-based servers.
- Installed and configured single sign on system for the Hospital, increasing logging and making auditing more effective.
Confidential, Rosemont, IL
UNIX Systems Administrator
Responsibilities:
- Responsible for 100+ production RedHat Linux servers used for development, anonymous ftp, testing, file sharing (NFS), and sales/marketing demonstrations. Responsible for the internal web server, used for communicating software defects and bug fixes for developers. Maintained hardware and systems level software on Linux servers. Communicated with developers regarding needs for specific projects, ordered additional equipment, provided solutions for specific requirements. Responsible for capacity and disaster recovery planning.
- Installed and configured Linux file server.
- Installed and configured Linux mail server, including sendmail.
- Installed debugging software, customizing the installation shell script.
- Modified existing shell scripts to optimize backup time and configured a new backup server.
Confidential, Itasca, IL
Senior UNIX Systems Administrator
Responsibilities:
- Responsible for 40 UNIX servers used for production, development, anonymous ftp, testing, file sharing (NFS), and sales/marketing demonstrations. Managed junior level UNIX admins. Maintain hardware and systems level software on Solaris, AIX, HPUX, and Linux servers, including configuration of sendmail.
- Communicated with developers regarding needs for specific projects, ordered additional equipment, provided solutions for specific requirements. Responsible for capacity and disaster recovery planning. Installed software developed in Itasca at customers’ sites, performing established test plans to verify the implementation.
- Installed, configured, and maintained Confidential HACMP clusters for development, testing, and customer sites
- Installed and maintained Veritas NetBackup for use with product source code.
- Installed and configured TSM for services sent to customer sites.
- Wrote custom shell scripts and worked with developers testing and modifying perl scripts.
- Developed a set of videos for the installation of software produced in Itasca, improving consistency at customer sites, and increasing the efficiency of the systems engineers.
Confidential, Chicago, IL
Quality Assurance Engineer
Responsibilities:
- Responsible for the software installed on the UNIX servers controlling the overhead displays on the trading floor. Responsible for routine administrative tasks performed on the display servers including backups, diagnostics, and capacity planning.
- Revised and improved procedures for installing new versions of software on production servers, improving reliability of implementations.
- Improved the procedures for failing over production RS6000 HA clusters.
- Maintained and administered 66 HACMP clustered RS6000 servers, as well as 1 HP and 11 Sun servers.
Confidential, Aurora, IL
Webmaster/Systems Programmer
Responsibilities:
- Maintained hardware and software of the University’s Internet site, including web servers and networking hardware. Created and administered the University’s web site. Supervised student workers and interns assigned to network management projects. Consulted with admissions department, public relations department, and university publications to develop a cohesive and consistent marketing strategy for the Internet.
- Acquired, configured and maintained server software for the University’s web site, establishing a presence in this media, quadrupling requests for admission information in the first year.
- Developed and implemented a plan to restructure the network infrastructure, incorporating new technologies to increase campus throughput of data by almost 2000%.
- Supervised student workers. Supervised network management projects, hardware and software maintenance projects, and software development. Provided student workers and interns with hands on experience augmenting their classroom experience, increasing their marketability.
Confidential, Chicago, IL
Systems Programmer
Responsibilities:
- Maintained the department’s VAX11/780, hardware and software, until it was decommissioned. Ordered, installed and maintained hardware and software, 20 DECstations, running Ultrix for CAD/CAM applications. Established and maintained the department’s Internet connection and presence, including the configuration of sendmail.
- Repaired VAX 11/780 hardware, upgraded software, and performed routine maintenance saving the department in excess of $200,000.
- Approved a proposal for the acquisition of additional computing equipment, installed the hardware and software, and connected the department to the Internet, saving $50,000 annually on computing access charges.