Sr. System Administrator

Data Intelligence Technologies - Annapolis Junction, MD

Are you a seasoned System Administrator with Linux experience? If so, this may be the role for you! We are looking for a Senior System Administrator with 10 years of overall IT experience with at least 8 years’ experience in a production System Administration role. This role provides IT and MIS process and procedure consulting or systems engineering services, and functions as a lead consultant in the areas of developing new or re-engineering processes to ensure quality and efficiency within an organization's IT infrastructure.

Required skills and working knowledge in these technologies:

Linux - (CentOS/RHEL) administrator concepts and principles

VMWare VM creation, configuration, and operation experience


  • Management (ex LG, PV, LVM
  • Protocols (ex NFS, SAMBA, ISCSI)
  • SAN Storage configuration
  • Understanding of network storage (ex. NAS and SAN)


  • Understanding of networking concepts and principles
  • Routing, IPSec

Security Compliance

  • YUM Patching
  • IAVA Remediation
  • Server certificate management
  • Automation (ex. Ansible, Puppet, SALT)
  • SELinux


  • Users and Group Management
  • Understanding of Active Directory and DNS
  • User certificate management

Scripting: Shell, Python preferred

Physical Server Administration

May include knowledge of or specialization with any of the following: Solaris/Trusted Solaris/Linux/ or other Unix or Windows operating system; Storage technology including Disc/Tape/SAN/NAS/DAS; Network technology including but not limited to LAN/WAN; Database technology (Oracle, Sybase, SAP, DB2, etc).

Other Desired Skills or Familiarity:

  • Oracle Database and possibly some DBA experience
  • JBoss / Oracle WebLogic
  • JavaScript Object Notation (JSON)


  • At least ten (10) years developing and delivering IT business services, or served in that capacity with an organization.
  • Minimum Education: A BS in Computer Science, or related discipline, or equivalent years of experience.
  • Security + 2 / IAT 2 certification.
  • Clearance with appropriate polygraph.

Posted On: Tuesday, July 6, 2021

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