Systems Administrator

Location: San Antonio, Texas
Date Posted: 08-10-2017
About Seneca Resources:
Seneca Resources is client driven provider of strategic Information Technology consulting services and Workforce Solutions to government and industry.  Seneca Resources is a leading IT services provider with offices in Reston and Richmond, Virginia and Birmingham, Alabama that service clients throughout the United States.  The key to our success lies within our strong corporate culture which drives our business.  We challenge our staff through engaging work, and we reward our staff through competitive compensation, extensive professional training, and excellent opportunities for career advancement.  In turn, we look for only the best and brightest to join our team.
We are an Equal Opportunity Employer and value the benefits of diversity in our workplace.
Position Title:  Systems Administrator
Type: Contract to Hire/Direct Hire
Compensation: Very Competitive
Location: San Antonio, TX

Roles and Responsibilities:
  • Qualified candidates shall administer UNIX operating systems running on multiple domains.
  • Execute startups and shutdowns of each system and domain
  • Installation of operating systems, patches, bug fixes and advisories (P)
  • Configure the OS and server to conform with current Security policy and procedures
  • Monitor and report unauthorized access attempts
  • Monitor and apply all necessary OS security patches (M)
  • Install, configure, manage, and troubleshoot disk space and file system usage
  • Configure and troubleshoot high-availability hardware and software solutions
  • Create, monitor, and manage logical volume and mirror disk features
  • Monitor and manage system resources
  • Create shell programs and schedule jobs to run through “cron”
  • Maintain an inventory of system level hardware and software configurations
  • Initiate, review, update, and respond to trouble tickets
  • Document all system downtime, hardware failure, etc.
  • Define and implement system backup and recovery procedures
  • Perform system backups and recoveries
  • Create, administer, and monitor all OS-level accounts
  • Control and manage root or “root-equivalent” access
  • Performance monitoring Performance tuning
  • Insertion and removal of tapes upon request
  • Monitor and manage audit logs
  • Monitoring of hardware error messages and taking appropriate action
  • Problem determination and troubleshooting, as required
  • Comply with IAW DoD Directive 8570.1M
  • File System Management (JFS and JFS2 file systems and logical volume management) (M)
  • Device Configuration
  • Managing System and Network Security Disk Management
  • System Backup and Disaster Recovery
  • TCP/IP, Domain Name Server (DNS), Network File System (NFS)
  • Commands for System Administrators Installation and Patches
  • System Resource Controller (SRC) Shell Scripts
  • Troubleshooting
  • Ability to write shell scripts to automate tasks. Perl scripting is a plus. (P)
  • Understanding of TCP/IP Networking and troubleshooting.
  • Experience supporting standard UNIX services (BIND, Sendmail, NFS, FTP, SSH, DNS, Syslog facility)
  • AIX pSeries configuration and maintenance. HMC command line.
  • Knowledge of IBM SAN best practices, including configuring RAID arrays and custom zoning.
  • Knowledge of IBM Storage Manager Client and SAN Volume Controller (SVC).
  • Kerberos management
  • Required Certification: Security +
  • Required clearance: DoD Secret
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