Network and System Administrator
The Johns Hopkins Applied Physics Laboratory - Laurel, MD

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To perform or manage systems, network, security, and purchasing administration of computers and related hardware in offices and closed computing facilities. Emphasis on support of the A1C group.

(Listed in order of importance with the estimated amount of time spent at each task):
1. Perform or direct the installation, upgrade or support of all Unix/Linux/Mac/Windows systems software. This includes support for the complete operating system including unix shell tools, gnome/kde tools, network services, startup and shutdown scripts, printing, and backups. This includes desktop as well as water-chilled rack-mounted processors. (30%)
2. Ensure that computers meet NISPOM Chapter 8 security requirements. This includes security, encryption, authentication, PAM, firewalls, logging, auditing, intrusion detection, and training staff in proper security procedures. Kernel recompiles may be required.(20%)
3. Develop and execute a strategic plan to improve LINUX computing clusters and network stability and performance.(20%)
4. Perform or direct the installation, upgrade, and support of selected application-level software. This includes 3rd party software packages installed from source, rpm, CD, DVD, upgrade mirror server.(15%)
5. Perform or direct the installation, upgrade, and maintenance of all high speed networking infrastructure, including switches, cables, patch panels, NICs, etc.(10%)
6. Purchase of new hardware including researching possible hardware, walking a purchase request through the purchasing process, dealing with OEMs, handling hardware returns. Short term and long term fiscal planning is required (5%)

Note: This job summary and listing of duties is for the purpose of describing the position and its essential functions at time of hire and may change over time.

: Required Qualifications: BS in IT, related field or 5 years relevant experience. Must be willing and able to perform work outside of normal work hours. Must have previous network and systems administration of a Unix/Linux facility. Must be familiar with scripting languages. Must be able to install kernel or software from source if needed. Must be able to maintain DNS Services, MySQL Database Services, Flex LM license managers, Unix/Linux Grids/Clusters, and LDAP Services. Experience in selection and upgrade of computer hardware including storage systems and rack-mounted servers.

Desired Qualifications: Experience with the following: Redhat/Fedora, Windows, and MacOSX administration, setup and maintenance of local Linux repositories, Grid Scheduling Tools including Sun Grid Engine, Windows Grids, heterogeneous platform integration, virtualization, NISPOM Chapter 8 security guidelines, DHCP, HTTP, PVM, MPI, NFS, AFP, VLAN, TCP/IP, linux clustering, power and cooling troubleshooting and planning, security auditing, thin clients, and writing and compiling C/C++ software.

Special Working Conditions: Facility downtime must be scheduled outside of normal working hours; must be willing and able to work occasional early mornings, evenings or weekends.

Security: Applicant selected will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

Benefits: APL offers a comprehensive benefits package including a liberal vacation plan, a matching retirement program, significant educational assistance, a scholarship tuition program for staff with dependents, and competitive salaries commensurate with skills and experience. For more information about our organization, please visit our web site at

The Johns Hopkins Applied Physics Laboratory - 22 months ago - save job
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The Johns Hopkins University Applied Physics Laboratory, or APL, knows how to turn American brainpower into American empowerment. A division...