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Sr. Administrative Assistant

Job DescriptionJob Description

Job Summary
The Senior Administrative Assistant provides high-level administrative support to leadership and ensures smooth office operations. This role requires strong organizational skills, attention to detail, and the ability to proactively manage tasks in a fast-paced environment.

Responsibilities

  • Provide administrative support to management and office leadership
  • Manage calendars, schedule meetings, and coordinate appointments
  • Prepare documents, reports, presentations, and correspondence
  • Maintain organized electronic and physical filing systems
  • Handle confidential information with professionalism
  • Assist with meeting preparation, agendas, and note-taking
  • Coordinate communication between departments and external contacts
  • Support office operations, including supply ordering and vendor coordination
  • Provide administrative support to other team members as needed

Qualifications

  • Proficient in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint)
  • Experience with Adobe Acrobat Pro and QuickBooks Online
  • Highly organized with strong attention to detail
  • Excellent communication skills (written and verbal)
  • Proactive problem-solving and time-management skills
  • Ability to work independently and handle multiple priorities
  • Discretion and professionalism in handling confidential information

Experience

  • 5+ years of administrative or office support experience
  • Experience in a corporate, construction, or hospitality environment
  • Familiarity with project coordination and office operations

Work Environment

  • Fast-paced, professional environment with opportunities for growth

Company DescriptionAt Mammoth Industries, you’ll be part of a team that genuinely makes a difference. We’re proud to be a leader in turnkey workforce housing and support services, providing safe, comfortable, and innovative living solutions for industries such as oil & gas, data centers, disaster relief, and more. Working with us means more than just a job — it’s an opportunity to grow personally and professionally, contribute to meaningful projects, and collaborate with dedicated, hardworking people who value integrity, teamwork, and quality in everything we do. We invest in our team’s success by offering competitive pay, opportunities for advancement, supportive training, and a culture where every role is essential and appreciated.Company DescriptionAt Mammoth Industries, you’ll be part of a team that genuinely makes a difference. We’re proud to be a leader in turnkey workforce housing and support services, providing safe, comfortable, and innovative living solutions for industries such as oil & gas, data centers, disaster relief, and more. Working with us means more than just a job — it’s an opportunity to grow personally and professionally, contribute to meaningful projects, and collaborate with dedicated, hardworking people who value integrity, teamwork, and quality in everything we do. We invest in our team’s success by offering competitive pay, opportunities for advancement, supportive training, and a culture where every role is essential and appreciated.