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  • 350 North Saint Paul Street
    Dallas, TX 75201

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Sr. Systems Administrator

Greyhound • Dallas, TX

Posted 1 month ago

Job Snapshot

Full-Time
Transportation

Job Description

Sr. Systems Administrator

Summary:  The Sr. Systems Administrator (Senior Linux/Windows Administrator) will be responsible for designing, implementing, and monitoring the infrastructure; also, to collaborate with other team members to develop automation strategies and deployment processes. You will become an integral part of the team, making every problem of the platform a problem of your own, and solving them accordingly.

Responsibilities:

  • Installs new software releases, system upgrades, evaluates and installs patches and resolves software related problems
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
  • Perform regular security monitoring to identify any possible intrusions.
  • Ensure daily backup operations are performed, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary.
  • Perform regular file archival and purge as necessary.
  • Create, change, and delete user accounts per request as necessary.
  • Provide Tier III/other support per request from various constituencies.  Investigate and troubleshoot issues. This can occur after hours or on weekends.
  • Repair and recover from hardware or software failures.  Coordinate and communicate with impacted constituencies.
  • Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Configure/add new services as necessary.
  • Upgrade and configure system software that supports infrastructure applications or Asset Management applications per project or operational needs.
  • Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.  Configure CPU, memory, and disk partitions as required.
  • Participate in On-Call rotation for after-hours support
  • Works with database team to resolve performance issues, database capacity issues, replication, and other distributed data issues
  • Install new/rebuild existing servers and configure systems consisting of hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements
  • Perform other duties as assigned

Qualifications:

  • High School diploma or equivalent required        
  • Bachelor’s degree, with a technical major, such as engineering or computer science, preferred
  • ITIL v3 Foundation Certification, preferred 

Core Capabilities

  • Strong technical background with a minimum of 7 years professional experience managing 50+ Linux & Windows Servers

General Skills Required:

  • Demonstrated knowledge and working experience in both Linux (RHEL 6.x) and Windows OS environment
  • Office 365 Administration
  • Microsoft Active Directory and/or Azure Active Directory
  • Microsoft Azure Cloud Experience
  • Strong scripting experience. Bash, Korn, csh or sh, powershell, vbscript preferred. 
  • A team player with a track record for meeting deadlines
  • Takes ownership of assignments, working with minimal direct supervision
  • Ability to effectively communicate (verbal and written correspondence) in a professional and courteous manner with technical and non-technical personnel.
  • Excellent interpersonal, organizational and facilitation skills
  • Familiarity with web-based technologies, including but not limited to, reverse proxy servers, SSL certificate configuration, three-tier architecture, service-oriented architecture, enterprise service bus, http, and differences between browsers.

General Skills Preferred:

  • Experience with the use of content delivery networks (CDN) such as Akamai
  • Experience with web servers, IIS, Tomcat, Apache, et al.
  • Experience with various database servers, SQL, MySQL, MongoDB, Oracle, Sybase
  • F5 Load Balancer Administration
  • A team player with a track record for meeting deadlines
  • Takes ownership of assignments, working with minimal direct supervision
  • Ability to effectively communicate (verbal and written correspondence) in a professional and courteous manner with technical and non-technical personnel.

Excellent interpersonal, organizational and facilitation skills

Job ID: 22359
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