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Sergio Cesar M.

Sergio Cesar M.

Operations Assistant | Production Coordination | Client Communication

Manufacturing Operations Assistant with experience supporting production teams, coordinating material requests, and managing communication between operations and clients. Currently working with a manufacturing company where I support daily operations including: • Production coordination and reporting
 • Monitoring client communications and operational emails
 • Preparing and issuing material requests (MR)
 • Coordinating updates between production, operations, and external partners
 • Tracking production data and inventory usage
• Supporting logistics coordination and shipment preparation. My role focuses on maintaining clear communication between production teams and management to ensure operations run smoothly and decisions are executed quickly. I work in U.S. business hours and prioritize responsiveness, clarity, and structured communication. If your team needs reliable operational support to help coordinate production, materials, and communication, I can help keep things organized and moving forward.

🇲🇽Cancun, Mexico$15/hr80% JSS5.00 (1)Since Dec 2025

Earnings and projects

MRR
$470

Last 6 months ÷ 6

World#80,572 / 412k
🇲🇽Country#918 / 3,563
Revenue, last 30 days
$0

Last 6 months: $2.8k

Total earnings
$5.3k

Billed in all: $5.4k

World#250,307 / 412k
🇲🇽Country#2,272 / 3,563
Per project
$2.6k

$2.8k in the last 6 months

World#62,140 / 412k
🇲🇽Country#671 / 3,563
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇲🇽Country#955 / 3,563
Projects in all
2
50% fixed50% hourly
World#328,886 / 412k
🇲🇽Country#2,351 / 3,563

Earnings, last 30 days

$5.4kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$5.2k$5.3k$5.4k$5.5kOct 8Oct 23Nov 7

Skill rankings: Top 26% in Supply Chain Management

Ranked by MRR among everyone on Upwork with the skill.

  1. #140Manufacturing470 freelancers · 🇲🇽 #4Top 30%
  2. #285Supply Chain Management1,094 freelancers · 🇲🇽 #5Top 26%
  3. #816Process Improvement2,840 freelancers · 🇲🇽 #8Top 29%
  4. #1,141Business Operations4,003 freelancers · 🇲🇽 #11Top 29%
  5. #5,761Customer Support20,101 freelancers · 🇲🇽 #57Top 29%