Sr. Payroll Coordinator

Company logo
Amp
AI‑powered facility‑scale waste and recycling sortation solutions using robotics and real‑time material characterization.
Manage payroll, tax compliance, reporting and system upgrades for the company.
26 days ago ago
$62,026 - $76,960
Junior (1-3 years), Intermediate (4-7 years)
Full Time
Louisville, CO
Hybrid
Company Size
200 Employees
Service Specialisms
Logistics
Automation
Sector Specialisms
Industrial
Municipal
Waste Management
Recycling
Single-Stream
Mixed Waste
Commercial
Residential
Role
What you would be doing
payroll updates
audit coordination
401(k) processing
tax filings
pay run review
compliance management
  • Update payroll information for promotions, leave, terminations, and new hires.
  • Coordinate payroll related audits (e.g. 401(k), worker's compensation, etc.)
  • Perform the 401(k) process.
  • Prepare statements and tax filings reflecting earnings, taxes, deductions, and option exercises.
  • Answer questions and resolve issues regarding payroll.
  • Review semi-monthly pay runs for accuracy and completeness.
  • Manage the company set up for city, state, and department of revenue for payroll related taxes.
  • Ensure compliance with company policies, relevant industry regulations, tax, and deduction laws.
  • Collect and verify employee and timekeeping data.
  • Prepare payroll reports for management and auditing purposes.
  • Assist with researching and implementing a new payroll system.
What you bring
excel
netsuite
trinet
degree
4-6 yrs
proactive
  • Colorado, with ability to come into Louisville, CO headquarters as needed
  • Excellent communication skills, both verbal and written.
  • Degree in accounting, finance, or a related field
  • Strong attention to detail.
  • Ability to maintain strict confidentiality.
  • Prolonged periods of sitting at a desk and working on a computer.
  • Proficiency in Microsoft Excel, payroll systems (TriNet a plus) and ERP Software (NetSuite a plus).
  • Must be able to lift up to 15 pounds at times.
  • Proactive and independent thinker.
  • Exceptional organizational and time management skills.
  • Good working knowledge of payroll practices and tax laws.
  • 4-6 years' experience in payroll administration.
Benefits
  • Benefits start the day you start
  • Eight (8) paid holidays
  • FTO - Flexible Time Off
  • Medical - The company covers between 78% to 100% of the premium for Cigna medical healthcare plans depending on the selection.
  • Life Insurance: The company covers the cost of Basic Life / AD&D 1 x Salary, option to purchase additional through New York Life
  • HSA Eligible Health Plans, Company Monthly Contributions!
  • 401(k) retirement plan (non-matching)
  • 6 Accrued Sick Days
  • Dental, Vision, Short-Term and Long-Term Disability
Training + Development
Information not given or found
Interview process
Information not given or found
Visa Sponsorship
Information not given or found
Security clearance
Information not given or found
Company
Overview
$91M funding
Series D funding
Raised $91 million in Series D funding in December 2024 to scale AMP ONE systems.
90% recovery
Material recovery rate
Modular setup recovers over 90% of target materials with zero manual sorting.
150B items
AI items identified
AI has identified over 150 billion items and guided sortation of more than 2.5 million tons of recyclables.
2.5M tons
Recyclables processed
AI-guided sortation has processed over 2.5 million tons of recyclables.
  • Founded in 2014, AMP evolved from retrofit robotic systems to full facility‑scale sortation plants.
  • Headquartered in Louisville, Colorado, with deployments across North America, Europe, and Asia.
  • Their modular setup deploys in under 12 months and recovers over 90% of target materials with zero manual sorting.
  • AMP ONE facilities autonomously process municipal solid waste, mixed plastics, metals, fiber, and e‑waste.
  • Technology combines high‑volume air‑jet sorters, robotic arms, vacuum systems, AI vision, and real‑time analytics.
  • Standout projects include MSW facility in Portsmouth processing 150 tons/day and a 62,000 ton/yr recycling center with Waste Connections under way.
Culture + Values
150B Items
AI Platform Analysis
The AI platform has identified 150 billion unique items in its operations, demonstrating exceptional analytical capabilities.
90%+ Uptime
System Performance
The Portsmouth MSW facility maintains an unprecedented 90%+ uptime, ensuring consistent and reliable operations.
100,000 Tons/Year
Modular MRF Capacity
Modular recycling facilities are scalable and capable of processing up to 100,000 tons annually, enabling flexible operations.
  • Innovation – applying AI and robotics to modernize recycling infrastructure
  • Data-driven operations – AI platform has guided sorting of over 2.5 million tons of recyclables
  • Scalability – modular MRFs ready in under nine months
Environment + Sustainability
Over 60%
Landfill Diversion Rate
The AMP ONE system significantly reduces landfill-bound waste by diverting a large portion of material when combined with organics and recyclables sorting.
150 Tons/Day
Waste Processing Capacity
The facility in Portsmouth processes a substantial amount of municipal solid waste daily, maintaining high uptime for consistent operations.
62k Tons Annually
Recycling Capacity
The Commerce City facility is set to handle a large-scale volume of single-stream recycling once it becomes fully operational in early 2026.
  • Recovering difficult-to-recycle mixed plastics, paper, and metals from residue streams
  • Operating full-scale AI sortation facilities in multiple locations (Portsmouth VA, Cleveland OH, Pitt County NC)
  • No stated net-zero target found
Inclusion & Diversity
  • No publicly stated DEI strategy or gender‑related statistics available on official channels
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Sr. Payroll Coordinator at Amp in Louisville, CO