Sandija Jefimova
Saugus
Summary
Dynamic senior operations leader with over 9 years of experience in scaling high-volume distribution and fulfillment operations across North America and Europe. Skilled in managing teams of over 800 employees and overseeing more than 30 salaried leaders. Proven track record in driving operational excellence, safety transformation, labor optimization, and executing large-scale facility launches within highly automated environments. Expertise in cultivating robust leadership pipelines, enhancing distribution network performance, and collaborating effectively with engineering, supply chain, and finance teams to achieve significant cost reductions and service enhancements. Committed to fostering a culture of continuous improvement and innovation in fast-paced operational settings.
Overview
5
5
years of professional experience
Work History
Senior Operations Manager (L7)
Amazon
North Andover, MA
04.2024 - Current
- Lead a large-scale automated fulfillment operation processing 10M (building throughput) units weekly, managing up to 30 leaders and 800+ associates across multiple operational functions.
- Directed high-volume distribution operations delivering consistent peak execution while maintaining top-tier safety, quality, and productivity performance.
- Partnered with engineering and reliability teams to reduce equipment downtime by 120,000 hours and lower system defect rates by 43% in 2025.
- Built a strong leadership pipeline by developing and promoting 19 leaders into management roles within 2025.
- Led site learning and workforce onboarding for 4,000+ associates and 80+ managers, achieving 98% training satisfaction within the building launch phase.
- Delivered major safety improvements including 47% reduction in MSD incidents and significant RIR reduction across operations.
- Implemented sustainability initiatives generating $1.5M operational savings while improving waste management and environmental performance in 2025 with community donations outreach in Massachusets.
- Partnered with technology teams to deploy a multilingual communication platform across 104 facilities, improving workforce engagement and eliminating $13M in translation costs.
- Developed and implemented process improvements to enhance workflow and reduce operational costs.
Quality & Learning Operations Manager
Amazon
North Andover, MA
01.2023 - 01.2024
- Operational leader responsible for launch strategy, quality systems, and workforce training infrastructure for a next-generation robotics fulfillment center.
- Designed the site-wide quality operating system and launch framework supporting a new automated facility.
- Enabled the fastest Gen11 fulfillment center ramp in the network, injecting 18M inbound units within 12 weeks.
- Built leadership training programs improving operational knowledge across Area Managers by 37%.
- Led implementation of Amazon's first multilingual operations program for robotics fulfillment centers, enabling scalable workforce support.
Operations Manager
Amazon
North Haven, CT
01.2022 - 01.2023
- Led outbound operations and quality performance across a high-volume fulfillment center.
- Improved outbound delivery accuracy and throughput while reducing problem solve labor hours by 27%.
- Reduced Sort defects by 16%, driving improved quality and customer experience.
- Developed frontline leaders into senior operations roles through structured coaching and leadership development.
- Streamlined daily operations to enhance workflow efficiency and productivity across multiple teams.
Operations Manager
Amazon UK
Milton Keynes, UK
01.2021 - 01.2022
- Led operations for the EU's first all-temperature food distribution hub, overseeing chilled and frozen logistics operations serving 14 Amazon Fresh warehouses across England.
- Managed 3 managers, 6 supervisors, and 100+ associates across temperature-controlled operations.
- Reduced cost per unit from $0.24 to $0.14, the lowest cost structure across the EU food logistics network.
- Implemented standardized labor planning systems replacing manual planning processes.
Earlier Leadership Roles
Amazon UK
- Area Manager II | Area Manager | Team Lead | Operations Associate
- Progressive leadership promotions across Amazon fulfillment and logistics operations including launch of Europe's largest fulfillment center and largest mechanized sortation site.
Education
High School Diploma -
Skills
- Distribution Center Operations
- Large-Scale Team Leadership
- Safety & Compliance
- Continuous improvement strategies
- Labor Planning & Workforce Optimization
- Automation & Process Engineering
- Cost Reduction & Productivity Improvement
- Leadership Development
Languages
English
Full Professional
Latvian
Native or Bilingual
Russian
Elementary
Timeline
Senior Operations Manager (L7)
Amazon
04.2024 - Current
Quality & Learning Operations Manager
Amazon
01.2023 - 01.2024
Operations Manager
Amazon
01.2022 - 01.2023
Operations Manager
Amazon UK
01.2021 - 01.2022
Earlier Leadership Roles
Amazon UK