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Alejandra (Jacqueline) Martinez Sandoval-Chemical Engineer · Operations & Quality

Alejandra (Jacqueline) Martinez Sandoval - Chemical Engineer · Operations & Quality - profile avatar
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Available
Ciudad Nezahualcóyotl, Mexico

Check rate

Experience

Mar 2022 - Jun 2026

Operations Coordinator

XBorder Logistics, S. de R.L. de C.V.

Position summary
Operations Coordinator at XBorder Logistics, S. de R.L. de C.V.
Industries
Transportation
Business areas
Information Technology
Operations
Project Management
  • Led 4 AI and system implementation initiatives end to end: requirements definition, testing, launch, adoption and continuous improvement.
  • Supported the development of tools for planning, load assignment, customer service, commercial tracking, pricing, operational visibility and exception management.
  • Coordinated internal users across 3 operational areas, plus external developers and vendors, to clarify workflows, data needs, business rules, API requirements and implementation priorities.
  • Administered TMS configuration for 25 users: access rights, operational fields, workflow setup, data-quality checks and process compliance routines.
  • Documented current-state processes and translated operational issues into structured requirements, test cases and user acceptance criteria.
  • Validated AI outputs, system logic, automation workflows, notifications, dashboards and API data feeds prior to business release.
  • Trained 12 users and drove change management and adoption across the planning, dispatch and tracking teams.
Jul 2019 - Feb 2022

Quality Analyst

Ultrasist, S.A. de C.V.

Position summary
Quality Analyst at Ultrasist, S.A. de C.V.
Industries
Information Technology
Business areas
Audit
Project Management
Quality Assurance
Explore QA Engineer
  • Supervised and assured process quality for 2–3 concurrent projects against institutional standards and IT Governance models.
  • Designed and implemented quality plans, test strategies and audit programs across projects.
  • Built and tracked 10 KPIs, issuing weekly status reports and analytical summaries for stakeholders.
  • Identified, analyzed and resolved incidents, defects and inconsistencies through to closure.
  • Managed documentation and quality evidence in line with applicable regulations.
  • Assessed risks and potential compliance gaps, verifying that processes and deliverables met defined acceptance criteria.
  • Partnered with technical, business and stakeholder teams to drive continuous improvement.
Aug 2018 - May 2019

New Product Introduction (NPI) Engineer, Jr.

Steeringmex, S. de R.L. de C.V.

Position summary
New Product Introduction (NPI) Engineer, Jr. at Steeringmex, S. de R.L. de C.V.
Industries
Automotive
Manufacturing
Business areas
Logistics
Procurement
Product Development
Project Management
Quality Assurance
Supply Chain Management
  • Managed the follow-up of new product launches and emergency plant projects, safeguarding quality, timing and cost targets.
  • Owned the Open Issues (OPI) log and led follow-up meetings across 4 areas: Purchasing, Quality, Logistics and Planning.
  • Tracked milestones, risks and deviations, maintaining schedules and change-control documentation and reporting progress to internal stakeholders.
Sep 2017 - Jul 2018

Supply Chain Intern — Direct Purchasing / Customer Service

Suminoe Textile de México, S.A. de C.V.

Position summary
Supply Chain Intern — Direct Purchasing / Customer Service at Suminoe Textile de México, S.A. de C.V.
Industries
Manufacturing
Business areas
Customer Service
Logistics
Procurement
  • Reviewed customer forecasts and analyzed raw-material inventory levels to support purchasing planning.
  • Created, issued and controlled purchase orders, tracking shipments through to delivery.
  • Managed and negotiated directly with 3–4 concurrent client accounts and their suppliers.

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Transportation, Information Technology, Manufacturing, and Automotive.

Transportation
Information Technology
Manufacturing
Automotive
Profile match chart

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Project Management, Information Technology, Operations, Quality Assurance, Audit, and Logistics.

Project Management
Information Technology
Operations
Quality Assurance
Audit
Logistics
Profile match chart

Summary

Chemical Engineer with over eight years of experience spanning supply chain, manufacturing launch projects, quality assurance and logistics operations. Skilled at turning operational pain points into structured requirements, coordinating multidisciplinary teams, and building the documentation, KPIs and quality standards that keep processes running. Recognized for meticulous attention to detail and an advanced command of the Microsoft Office suite.

Skills

  • Microsoft Office (Advanced): Excel, Word, Powerpoint, Outlook, Teams And Onedrive
  • Google Workspace: Docs, Sheets And Slides, Including Collaborative Editing, Version Control And Shared-Drive File Management
  • Document Quality Assurance: Review And Verification Of Procedures, Manuals, Specifications, Protocols, Reports And Audit Documentation, Confirming Accuracy, Formatting Fidelity And Consistency From One Version And File Format To The Next
  • Technical Writing: Preparation Of Operating Procedures, Instruction Manuals, Process And Operations Flow Diagrams, And Technical Or Operational Reports Tailored To Both Plant And Executive Readers
  • Systems: Tms Configuration And Administration, Ai Tool Validation, Autocad

Languages

Spanish
Native
English
Advanced

Education

Jul 2012 - Jun 2017

Facultad de Estudios Superiores Zaragoza - Universidad Nacional Autónoma de México (UNAM)

B.Sc. · Chemical Engineering · Mexico

Five-year professional degree in Chemical Engineering at UNAM, Mexico's leading public university. Coursework covered process design, thermodynamics, unit operations, industrial chemistry and quality systems, with strong emphasis on technical documentation, data analysis and structured problem solving. Social service completed at STPS (Mexican Ministry of Labor), reviewing regulatory compliance documentation against NOM standards — early foundation for the rubric-based evaluation and quality review work I do today.

Statistics

Experience

Total positions 4
Experience in Transportation 4.5 y
Avg length 2 y 1 m
Longest experience 4 y 3 m

Expertise

Recent roles Operations Coordinator, Quality Analyst, New Product Introduction (NPI) Engineer, Jr.
Main industries Transportation, Information Technology, Manufacturing
Main business areas Project Management, Information Technology, Operations

Qualifications

Highest degree Bachelor

Profile

Member since
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Frequently asked questions

Have questions? Find more information here.

Alejandra is based in Ciudad Nezahualcóyotl, Mexico and prefers 100% remote projects.

Alejandra speaks the following languages: Spanish (Native), English (Advanced).

Alejandra has at least 9 years of experience. During this time, Alejandra has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 2 months. Note that Alejandra may not have shared all experience and actually has more experience.

Based on recent experience, Alejandra would be well-suited for roles such as: Operations Coordinator, Quality Analyst, New Product Introduction (NPI) Engineer, Jr..

Alejandra's most recent position is Operations Coordinator at XBorder Logistics, S. de R.L. de C.V..

In recent years, Alejandra has worked for XBorder Logistics, S. de R.L. de C.V., Ultrasist and S.A. de C.V..

Alejandra is most experienced in industries like Transportation, Information Technology, and Manufacturing. Alejandra also has some experience in Automotive.

Alejandra is most experienced in business areas like Project Management, Information Technology, and Operations. Alejandra also has some experience in Quality Assurance, Audit, and Logistics.

Alejandra has recently worked in industries like Transportation and Information Technology.

Alejandra has recently worked in business areas like Project Management, Information Technology, and Operations.

Alejandra holds a Bachelor in Chemical Engineering from Facultad de Estudios Superiores Zaragoza - Universidad Nacional Autónoma de México (UNAM).

Alejandra is immediately available full-time for suitable projects.

Daily rate distribution

0 1 2 3 4
<€480 €480-​640 €640-​800 €800-​960 €960+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Rate comparison chart
Daily rate avg. 697 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800
600
400
200
Rate comparison chart
Median rate 720 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 28 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.