Linux Application Administrator

1 week ago
Job ID
Infrastructure Support


About DMI

DMI is a leading provider of mobile enterprise solutions and services, including mobile strategy, mobile UX and app solutions, omni-channel commerce, mobile brand and marketing, big data management and analytics, and secure mobile device, app and data management. The company’s commitment to excellence in service delivery has resulted in dramatic growth and an expanding client base that includes hundreds of Fortune 1000 commercial clients and all fifteen U.S. Federal Departments. DMI is headquartered in Bethesda, MD, with satellite offices all around the world. The company has been named one of the Top 2014 Workplaces in the Washington DC area by the Washington Post, and has been awarded Inc. Magazine’s Hire Power Award as one of the top 100 Private Job Creators in the US. Additional information is available at


About the Opportunity

DMI is currently seeking to hire a Linux Application Administrator


Position Description:

  • Works as a memeber of the Sustainment Operations team by providing daily system support and maintenance for Linux operating systems on both blade servers and Virtual Servers (VMs), and when needed, supports application troubleshooting and upgrades of new features. The administrator is expected to have a thorough technical knowledge of his/her systems and be capable of executing independent and team tasks as assigned
  • The administrator will need to be proficient in troubleshooting Windows-based server systems. Knowledge of both Microsoft Internet Information Services (IIS) and Secure Sockets Layer (SSL) is highly recommended
  • The candidate must be a team player and willing to interact with people at all levels throughout the organization; displaying a sprit of cooperation at all times
  • He/She must also possess an outstanding ability to identify and troubleshoot hardware and software issues across a variety of systems and software platforms

Duties and Responbilities:.

  • Evaluate, install, debug, maintain and document VMs
  • Day-to-day operations and administration of assigned systems
  • Technical support for the system hardware and operating systems, including responding to Help Desk tickets and working with users to resolve issues
  • System upgrade, maintenance and enhancement, including installation and configuration of operating systems, administration of user accounts, maintenance of system security posture
  • Perform monthly stats and weekly audit log reviews
  • Install and upgrade system software/application
  • Evaluate and implement continous improvement of application infrastructure
  • Create, maintain, and restore data backups
  • Provide technical input for policies and procedures, maintain accurate documentation on those policies/procedures
  • Adhere to change/configuration management procedures and policies
  • Properly estimate work efforts and technical challenges (scoping projects)
  • Effectively communicate project tasking status
  • Research and investigate applications and OS problems and develop viable solutions; report recommendation clearly and effectively and in a timely manner to the team
  • Work effectively with the team DBA/Programmer to meet schedules/deadlines and maintain control of assigned work on a daily basis
  • Ability to participate in 24 x 7 on-call team (rotating schedule)


Education/Experience Requirements:

  • BA/BS and 2 years OR
  • AA/AS (or industry standard certification) PLUS 4 years of relevant experience

Required Knowledge, Skills and Abilities:

  • Mininum 2 years experience with Linux System Administration
  • Ability to write and modify Linux shell scripts as needed
  • Experience with System Monitoring tools; including Veritas, NetBackup, Nimsoft, IPSec
  • Ability to work in a team environment, promote customer service, and handle technical issues
  • Strong time management skills and ability to handle technical job requirements within the limitations of a small team
  • Ability to respond effectively to changing project requirements and/or business needs
  • Ability to fullfill OSC workflow and documentation requirements by ensuring all project data, including Configuration Management tickets are updated in a timely manner
  • Willingness to take initiative and become familiar concepts beyond direct area of responsibility

Beneficial Knowledge, Skills and Abilities:

  • Experience with server virtualization
  • Experience with server hardening and security implementation strategies
  • Advanced interpersonal and strong communication skills (oral and written)
  • Ability to communicate with, understand, and respond to customer and team members with professionalism and sound business pratices
  • Ability to recognize problems and utilize sound judgement in developing innovative solutions relating to system's interdependencies
  • Experience with Nimsoft and Eventlog Analyzer is a definite plus
  • Practical Oracle Database (11g/12c) and SQL Server (2008/2012) experience is a plus


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