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Sr. Windows System Administrator in Fort Worth, TX at MDI Group

Date Posted: 3/7/2019

Job Snapshot

Job Description

Sr Windows System Administrator
Fort Worth, TX

This position is for a System Administrator for our Train Control infrastructure. The ideal candidate should be a self-starter, problem solver, and should have experience leading server design, operating systems deployment, server management, server clustering, storage (SAN / NAS) management, Windows scripting, and active directory in a highly available mission critical environment.
The candidate should possess the ability to work closely with Operations department and scheduled personnel.  Must be willing to effectively work in a team environment.
The environment supports safety critical applications and will require working irregular shifts and provide on call coverage in a 24/7 environment.
What You Will Be Doing:

  • Design, configure, deploy and optimize operating systems, hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements
  • Thorough understanding of building, designing and deploying operating systems, software and configuration tasks to end-user workstations and servers through the use of automation deployment tools
  • Design, document, implement and optimize solutions to ensure optimal performance and availability
  • Design, implement and manage Active Directory environments focusing on cross-domain functionality, GPO driven policies, and user/group management
  • Implement and maintain a configuration management system to assure compliance and adherence to best practices, security policies and disaster recovery requirements for all systems
  • Research, test and deploy application, operating system and hardware patches / updates
  • Coordinate updates, outages, maintenance windows, and other potential service impacting activities that could disrupt the availability of safety critical systems
  • Design, implement, allocate, and optimize SAN / NAS based storage across multiple vendor solutions to virtual and physical infrastructures
  • Maintain and expand the existing backup strategy and infrastructure for operational efficiency, including data staging, recovery and hardware migration
  • Develop, implement and maintain policies, procedures, and programs that increase system reliability / availability and strengthen disaster recovery policies and procedures
  • Experience with working with and configuring services such as SMTP, DNS, IIS, FTP, CIFS and NFS
  • Lead root cause analysis and provide 2nd / 3rd level support for all system hardware, software, operating systems and safety critical applications
  • Work with infrastructure teams, application teams, and service providers to ensure solid designs and solutions to maintain secure and highly available systems
  • Ability to work in a fast paced, dynamic 7x24 environment while effectively prioritizing tasks

Must Haves:

  • Bachelor’s Degree in a Technology related discipline and / or at least 4-5 years of related experience in Information Technology for critical Enterprise infrastructures
  • Strong leadership communication skills with the ability to interact with all levels of the organization in a professional, diplomatic and tactful manner
  • 5 – 7 years of experience in developing and implementing large scale, complex, highly available Infrastructure architecture supporting critical business applications
  • 3 years of experience with VMware vSphere (ESX) and vCenter
  • 3 years of experience with SAN and NAS Storage
  • 3 years of experience with Monitoring Tools
  • 3 Years of experience administering Windows Server and / or Red Hat Linux
  • Availability for 24X7 on call support


  • A thorough understanding of and experience with computer based systems and associated networking architectures
  • Experience working with large complex projects
  • Experience with Windows and Linux based computer systems, Microsoft clusters, Windows scripting, Active Directory, database administration, Storage Area Networks (SAN), computer imaging and hardware / software troubleshooting, antivirus protection
  • Must be able to work on multiple projects simultaneously and have the ability to think and work independently with minimal supervision
  • The candidate should possess a demonstrated ability to work closely with NOC and field personnel 
  • Must be willing to work irregular shifts and provide on call coverage in a 24/7 environment


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