• HollyFrontier Corporation
  • $146,180.00 -146,180.00/year*
  • Dallas, TX
  • Scientific Research
  • Full-Time
  • 2402 Lawrence St

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The HollyFrontier Corporation is looking for a Exchange Administrator for our Dallas, TX office. The Exchange Administrator will participate in all aspects of the Messaging environment, which includes project planning, requirements gathering, technical design, implementation, documentation, testing, deployment, and support. The Administrator will work closely with subject matter experts and end users to ensure efficient delivery and governance of messaging services.

This position is not eligible for International Relocation Program benefits.

ESSENTIAL JOB DUTIES/RESPONSIBILITIES: (functions considered essential as defined by ADA)

  • Provide Operational support for day-to-day messaging environment issues and trouble tickets.
  • Design, deploy, and troubleshoot Exchange 2016 and Office 365 hybrid environment.
  • Outlook Client configuration and troubleshooting.
  • Support Exchange Calendar issues for users.
  • Provide Active Directory support for users, security and distribution groups.
  • Support email migration and archiving solutions.
  • Support Windows Server 2008 R2 Server 2016.
  • Provide health status reporting, remediation steps and timelines to IT Service Management.
  • Perform root cause analysis and implement preventative solutions.
  • Diagnose hardware and software problems and replace failed components.
  • Troubleshoot mailflow and e-mail security end-to-end.
  • Interact with Service Desk, Desktop, Network, Systems Administration and Business Applications Support teams.
  • Be able to work independently or on a team to design and build.
  • Participate in customer team meetings to gather business and technical requirements.
  • Participate in team meetings to discuss ongoing project status and deliverables.
  • Apply and share knowledge; contribute ideas and opinions.
  • Participate in customer team meetings and lead conversations.
  • Convey technical concepts clearly and confidently to non-technical people.
  • Convert business requirements into sustainable technical solutions.
  • Manage his or her own work and schedule with minimal oversight.


  • Bachelor s degree in Information Technology, or equivalent work experience.


  • Minimum of 5 years of experience with in Microsoft Exchange and Active Directory.
  • Experience with proactive maintenance and update cycles for MS Exchange 2010+.
  • Powershell 3.0+ for AD and Exchange administration and mailbox user reporting.
  • Ability to logically troubleshoot & evaluate server connectivity issues.
  • Thorough knowledge & understanding of Server infrastructure and OS.
  • Strong knowledge of Windows Domain, Active Directory, DNS, SMTP,Telnet, DHCP, FTP, SSL.
  • Hands-on VMware for routine administration.


  • Windows Server Failover clustering administration
  • Office 365 migration and administration


The applicant must be able to manage multiple projects and/or tasks concurrently. Must be a self-starter & be able to use own judgment/initiative to undertake activities with minimal supervision. The Candidate must also have excellent oral & written communications skills as well as the ability to work alone or within a team environment.


The successful candidate must be able to work collaboratively with others to achieve team & organizational goals; prioritize projects and/or tasks; provide constructive input to achieve team goals; deliver a customer-focused, responsive service to customers; support efforts to enhance business efficiency & effectiveness; demonstrate a positive, can-do attitude; respond constructively to new information, changing conditions.


Office based with up to 25% travel by land or air is required. Subject to all weather and varying road conditions. Occasional long hours, as well as nights and weekends as needed.


Job conditions require sitting, talking or hearing, making visual inspections, making precise hand and finger movements, and perceiving color differences. Job conditions may require standing, walking, twisting, stooping, crouching, kneeling, reaching or grasping, lifting and/or carrying up to 25lbs, and ability to operate and drive all assigned company vehicles at company standard insurance rates is essential, and valid State driver s license and proof of insurance required.


Our primary values at HollyFrontier are: We put health and safety first; We care about the environment.

All HollyFrontier employees are expected to work safely every day and be safety & environmental leaders. This includes active participation in the following:

  • Stops and/or reports any unsafe work or conditions.
  • Follows safety & environmental policies and procedures.
  • Supports safety & environmental goals and initiatives.
  • Participates in safety & environmental meetings, training, emergency drills and hazard recognition programs.
  • Reports all accidents, injuries and near misses, and participates in associated investigations.
  • Participates in industrial hygiene, medical surveillance and behavior based safety programs.

About HollyFrontier Corporation

HollyFrontier Corporation, headquartered in Dallas, Texas, is an independent petroleum refiner and marketer that produces high value light products such as gasoline, diesel fuel, jet fuel and other specialty products. HollyFrontier operates through its subsidiaries a 135,000 barrels per stream day (\"bpsd\") refinery located in El Dorado, Kansas, a 125,000 bpsd refinery in Tulsa, Oklahoma, a 100,000 bpsd refinery located in Artesia, New Mexico, a 52,000 bpsd refinery located in Cheyenne, Wyoming and a 45,000 bpsd refinery in Woods Cross, Utah. HollyFrontier markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states. In addition, HollyFrontier, through its subsidiary, owns Petro-Canada Lubricants Inc. whose Mississauga, Ontario facility produces 15,600 barrels per day of base oils and other specialized lubricant products, and also owns a 57% limited partner interest and a non-economic general partner interest in Holly Energy Partners, L.P.

Join HollyFrontier where you have the opportunity to develop and own your career!

HollyFrontier Corporation is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status or any other prohibited ground of discrimination.

Associated topics: earth, earthquake, environmental, gis, hydrologist, meteorology, petrophysicist, planet, seismicity, seismology

* The salary listed in the header is an estimate based on salary data for similar jobs in the same area. Salary or compensation data found in the job description is accurate.

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