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System Administrator - Applications Admin

  • Location: Dallas, 75201
  • Job Type:Contract

Posted 15 days ago

Rebuild Americas Infrastructure with Our Fortune 200 Materials and Logistics Client

Position: System Administrator
Location: Dallas, TX 75201
Term: 6 Months
Day-to-Day Responsibilities:

Client n in Dallas, TX is seeking a System Administrator who will provide moderate to complex system, application, and database support as assigned and conducts technical assignments and projects for the Information Technology Department under general supervision.


  • Supports various departmental and site specific applications; including database level support.
  • Monitors applications daily for optimization (slowness), batches jobs, runs monthly reports, performs weekly backups and break/fixes.
  • Assists in maintaining and converting legacy applications to HollyFrontier applications and extracts data from legacy databases.
  • Maintains various assigned applications and provides onsite support for assigned servers, including server patching and break/fix activities.
  • Activities of the team may include installing, configuring, administering, and maintaining a large system or several smaller systems.
  • Liaison to middleware team who supports integration points between applications.
  • Liaison to other infrastructure and cyber-security teams to ensure application compliance, especially for SOX specific systems.
  • Maintains application run book; looks after certificates; responsible for impacts to applications during SAP support packs & DC migration.
  • Implement and support datacenter infrastructure, including but not limited to Microsoft Windows and Linux servers (minor), data protection and application servers.
  • Installs, supports and administers software and/or custom applications as required, resolving issues at all levels and updating patches.
  • Develops and maintains clear, concise, and accurate technical documentation for the application and supporting infrastructure environment, including detailed design documents, and builds procedures, training and technical support guidelines.
  • Monitors system health, performance tunes, and troubleshoots virtualization and other software environments and evaluates all in-place systems and applications.
  • Consults with business and end users to provide support and resolve application and connectivity issues.
  • Special assignments or tasks assigned by their manager, as determined from time to time in their sole and complete discretion.


  • A minimum of ten years of IT experience is preferred.


  • A minimum of a Bachelors Degree required.


  • A minimum of a four year degree is preferred with a focus on computer science, MIS or technical program.


  • Advanced administration, implementation, project management and support experience required in: MS Active Directory, MS Windows platform and MS Office Suite, virtualization software (VMware ESXi) and Servers.
  • Advanced knowledge of file/print servers, security and permissions using active directory, and Microsoft PowerShell 3. 0+. Strong working knowledge of MS Visio for documentation.
  • Ability to document and evaluate current environment and use best practice methodologies to ensure highest level investment utilization.
  • Demonstrated experience and broad knowledge of the principles, techniques and methodology of project management, quality management, and change management.
  • Experience organizing, planning, and executing projects from vision through implementation, involving internal personnel, contractors, and vendors; ability to analyze projects and determine resources needed to meet objectives.
  • Advanced reading and writing skills, and ability to effectively communicate with others, both written and verbal communication, ability to perform intermediate mathematical calculations, and excellent interpersonal skills.


  • Preferred certifications: VMWare VCP, Citrix XenApp/Desktop (CCEE, CCA, CCIA, CCAA), Microsoft MCSE, Industry (A+, Network+).
  • Experience with Privileged Access management and multi-factor authentication.
  • Additional support experience using PowerShell and vbscript, TCP/IP, WINS, DHCP, SMTP, DNS and anti-virus is preferred.
  • Knowledge of MS Exchange 2013/2016 is preferred.
  • Experience with terminal or transportation management systems is a plus, i.e. TopTech or Guardian.
  • Experience with yield accounting solutions is a plus, i.e. SigmaFine or Maron OAS.
  • Experience with merger and acquisition infrastructure activities.


  • Office based with travel up to 25% by land and air required. Subject to all weather and varying road conditions.


  • Job conditions require sitting, talking or hearing, making visual inspections, making precise hand and finger movements, reaching or grasping. Job conditions may require standing and walking.