Sr. UNIX Administrator

Posted: 03/02/2018
Location: Columbia, MD
Full time
Multiple positions

Job Description
Primary Responsibilities:
Perform Unix Systems Administration for Enterprise Sun Solaris10/Oracle linux OVM Systems to include:
Sun 25K/SunFire series, M3000/M4000/M5000/T5120/T5220/T5240/ T5440/V240/V280/V490 / CISCO Blade servers
Maintain UNIX infrastructure environment at NCI datacenters during business hours and Off-hours; troubleshoot Solaris networking services and protocols: TCP/IP, NIS, DNS, NFS, LDAP, FTP, SSH, SMTP, SNMP, SSL, and HTTP.
Install, configure, and maintain UNIX server equipment, disk arrays, tape libraries, virtual tape libraries and terminal servers; UNIX routine operation functions; maintain high end UNIX servers, provide data protection, recovery and business continuity; test and validate disaster recovery and business continuity methods in UNIX environment.
Perform routine backup and recovery for data protection and integrity for 20 UNIX servers;
Monitor UNIX infrastructure which consists of complex sets of equipment and system software; provide proactive remediation.
Perform proactive monitoring for high availability, System data protection, backup and Restore, UNIX central authentication, user account management, disk storage management, hardware and OS maintenance, And application maintenance.
Install, configure and maintain highly optimized Virtualized UNIX environment using Zone/Container, LDOM and VMware virtualization technologies; UNIX High Availability environment consisting of different HA technique s i.e. clustering, load balancing, and cluster file systems; UNIX storage environment using Solaris Disk Suit or Solaris Volume Manager, Veritas Volume Manager and ZFS.

Required skills and experience
Ten years’ experience providing UNIX /Sun Solaris systems administration support for large scale complex Unix environments.
Oracle Linux /Unix/Sun Solaris 10 systems administration.
Veritas Cluster Server, Veritas Storage foundation and other High Availability techniques in the UNIX environment; Veritas NetBackup.
Solaris Disk Suit or Solaris Volume Manager and ZFS.
Shell scripting and/or Perl scripting experience.
System level support for Oracle application and database Servers, Java application servers, Weblogic or other large-scale databases in a UNIX environment.
Disaster Recovery and Business Continuity in UNIX environment; EMC storage array based SAN environment.
Knowledge of Sun Entry-Level, Midrange and High-End Enterprise servers i.e. E25K and Sun disk arrays.
Extensive knowledge and experience in supporting and troubleshooting Solaris networking services and protocols: TCP/IP , NIS, DNS, NFS, LDAP, FTP, SSH, SMTP,SNMP, SSL, HTTP.
UNIX environment with Oracle, Java application server and Weblogic or other large- scale databases.
Sun Virtualization technologies: Container and LDOM.
SUN LDAP or Oracle Directory Services/LDAP; Sun SMC and Quest monitoring tools.
The ability to keep up with updates in the UNIX environment.
Excellent verbal and written communication skills; ability to work within strict deadlines and with a wide spectrum of people; Project Leader experience.

A Bachelor’s degree or higher from an accredited college and a minimum of 10 years’ experience required.
Sun Certified System Administrator or AIX certification

How to Apply:

Send your resumes to

04/16/2018 Computer Programmer (Java)

Posted: 04/16/2018
Location: Columbia, MD
Full time
Multiple positions

Job Description
Primary Responsibilities:
Prepares technical and/or functional specifications.
Serve as Technical Lead role for the assigned project
Analyzes and evaluates detailed business and technical requirements. Codes and maintains complex components of information systems.
Codes, unit tests, and reviews solutions.
Troubleshoots issues as they arise.
Keeps documentation up to date and adheres to internal and external controls.

Required skills and experience

Requires BA/BS degree or technical institute training.
Strong verbal and written communication required with high degree of professionalism.
Strong background with 8+ years of experience in working with Java, J2EE, WebServer, and Webservices.
Significant experience with Java.
Expert knowledge on Database OR C++, is required.

How to Apply:
Send your resumes to

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