Heidelberg Materials UK · 1 day ago
Administrative Assistant
Pittsburgh, PA
Full-time
Hybrid
Mid, Senior Level
$52K/yr - $60K/yr
5+ years expThree Rivers Management, Inc. (TRMI) is a subsidiary of Heidelberg Materials North America, one of the world's largest suppliers of building materials. The Administrative Assistant will prepare purchase requisitions, maintain records, coordinate meetings, and support office operations while handling confidential information and ensuring effective communication across teams.
Building MaterialConstructionWholesale
Responsibilities
Prepare and process purchase requisitions, purchase orders, and expense reports
Maintain accurate records in electronic systems and manage document storage
Coordinate meetings, logistics, and presentation materials in standard company format
Handle confidential information and ensure timely communication across teams
Support office operations, including mail distribution, supply management, and vendor coordination
Qualification
Required
High school diploma required; post‑secondary education a plus
Ability to adapt to changing priorities and work independently while maintaining confidentiality
Preferred
Minimum of 5 years of administrative support experience in a professional setting preferred
Advanced proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint), with knowledge and experience using Microsoft Copilot a plus
Knowledge and experience with business applications such as OnBase, SAP, Ariba, and Concur is preferred but not required
Current Pennsylvania Notary license is preferred but not required; however, it should be obtained within 3–6 months of hire
Benefits
401(k) retirement savings plan with an automatic company contribution as well as matching contributions
Medical, Dental, and Vision along with Prescription Drug Benefits
Health Savings Account (HSA), Health Reimbursement Account (HRA) and Flexible Spending Account (FSA)
AD&D, Short- and Long-Term Disability Coverage as well as Basic Life Insurance
Paid Bonding Leave
15 days of Paid Vacation
40 hours of Paid Sick Leave
10 Paid Holidays
Company
Heidelberg Materials UK
Heidelberg Materials UK is a building materials supplier that produces aggregates, ready-mixed concrete, asphalt, and cement products.
Founded in 1964Maidenhead, Windsor and Maidenhead, GBR
1001-5000 employees
H1B Sponsorship
Heidelberg Materials UK has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (8)
2023 (1)
Funding
Current Stage
Late StageRecent News
2025-12-05
2025-09-26
Company data provided by crunchbase