David Valeriy Zhuk
San Francisco,CA
Summary
Results-driven operations and leadership professional with over 10 years of experience leading teams in retail operations, Department of Defense, and military organizations. Proven ability to supervise large teams, improve operational efficiency, manage high-tempo environments, and deliver exceptional customer service. Experienced in personnel leadership, training, logistics, change management, security operations, and process improvement. Recognized for building high-performing teams while maintaining accountability, safety, and organizational standards.
Overview
1
1
Certification
10
10
years of professional experience
Work History
Front End Supervisor
Costco Wholesale
05.2026 - Current
- Lead front-end operations in one of Costco’s highest-volume warehouses.
- Supervise cashiers, assistants, and front-end employees while maintaining exceptional member service.
- Coach and develop employees through performance management and real-time training.
- Coordinate staffing levels and labor allocation to maximize operational efficiency.
- Resolve member concerns through professional conflict resolution and problem solving.
- Assist warehouse leadership with operational planning and daily execution.
- Resolved customer inquiries and complaints effectively, enhancing overall satisfaction ratings.
- Ensured compliance with company policies and local regulations through regular audits of cash registers, transaction records, and employee behaviors on duty.
Senior Network Engineer Sergeant
California Army National Guard
01.2017 - Current
- Supervised installation, configuration, and operation of Nodal networks in various settings
- Conducted field-level maintenance on IP-based electronic nodal systems, including troubleshooting
- encryption, COMSEC devices, routers, switches, and firewalls
- Managed LAN/WAN/VPN network hardware, software, security systems, and communication links
- Oversaw network management functions to meet operational requirements, disseminate network orders, and maintain WIN-T nodal assemblies and COMSEC devices
- Processed logistic support requests, managed clients' LAN/WAN hardware, configured, monitored, and maintained servers, switches, and other networking devices
- Provided support to network users, troubleshooting hardware, software, and connectivity issues
- Ensured optimal performance of Nodal Network Systems through maintenance and troubleshooting
- Stayed up to date on computer and network vulnerabilities, data hiding, and encryption trends
- Implemented technical security controls for systems and engaged in risk management activities
Loss Prevention
Costco Wholesale
03.2025 - 05.2026
- Conduct surveillance and investigations to reduce shrink and protect company assets.
- Prepare detailed investigative reports and documentation.
- Partner with warehouse leadership and security to conduct stops.
- Support safety initiatives and loss prevention strategies throughout warehouse operations.
Regional Supervisor – Military Funeral Honors (Northern California)
California Army NG
06.2024 - 02.2026
- Supervised, coordinated and scheduled Military Funeral Honors operations throughout Northern California.
- Led, trained, and scheduled honor guard teams to ensure dignified Military DNC execution of funeral ceremonies.
- Coordinated with funeral homes, cemeteries, veterans organizations, families and military units.
- Managed personnel readiness, logistics, equipment accountability, and mission scheduling.
- Served as primary liaison between military leadership and families during funeral honors operations.
NSW USSOCOM Change Manager
SRG Government Services
06.2022 - 06.2024
- Led IT operations and organizational change initiatives supporting Naval Special Warfare Group ONE (NSWG-1) and affiliated commands in mission-critical environments.
- Directed implementation of IT infrastructure, equipment installations, and technology solutions supporting 6,200+ users across multiple facilities.
- Coordinated projects involving end users, department leadership, project managers, contractors, and stakeholders to deliver solutions on schedule.
- Managed configuration changes, network service modifications, and lifecycle management across a portfolio of 26+ buildings.
- Supported the development of a new military campus consisting of 17 facilities ranging from 30,000–100,000 square feet, including training spaces, offices, warehouses, storage facilities, and armories.
- Conducted project planning, impact analysis, risk assessments, and readiness evaluations to support successful technology deployments and organizational changes.
- Developed and implemented process improvements to increase operational efficiency, improve service delivery, and enhance team performance.
- Created training programs and communication strategies to support adoption of new processes and technologies across the organization.
- Analyzed performance metrics and operational data to identify improvement opportunities and provide recommendations to leadership.
- Built strong relationships with senior leaders, department heads, and technical teams to resolve issues and achieve organizational objectives.
- Recruited, trained, and mentored personnel while fostering accountability, teamwork, and a positive workplace culture.
Front End Supervisor
Costco Wholesale
07.2018 - 07.2020
- Managed daily front-end operations for a high-volume warehouse.
- Supervised cashiers, assistants, and front-end employees.
- Improved operational efficiency through labor planning and employee development.
- Delivered outstanding member service while maintaining company standards.
- Trained new supervisors and front-end employees.
- Opening, and Closing procedures
Membership Supervisor
Costco Wholesale
07.2016 - 07.2018
- Led membership and refund operations.
- Coached employees on executive membership sales and member engagement.
- Managed escalated member concerns with professionalism.
- Consistently exceeded membership performance goals.
- Assisted warehouse leadership with daily operations and staffing.
- Trained and Taught employees how to successfully promote and capture Eblock Upgrades and Costco Anywhere Visa Applications.
Education
Associate of Science - Information And Communication Technology
City College of San Francisco
San Francisco, CA10-2018
Skills
- Operations Management
- Team Leadership
- Customer Service Excellence
- Change Management
- Conflict Resolution
- Employee Development
- Loss Prevention
- Process Improvement
- Training & Mentorship
- Strategic Planning
- Communication
- Problem-solving skills
- Customer service
- Workflow management
- Opening and closing procedures
- Cash handling
Certification
- CompTIA CASP+
- CompTIA SecurityX
- ITIL V4 Foundation
- ITIL V4 Specialist, CDS
- Anti-Terrorism Level I
- Military Leadership Development
Timeline
Front End Supervisor
Costco Wholesale
05.2026 - Current
Loss Prevention
Costco Wholesale
03.2025 - 05.2026
Regional Supervisor – Military Funeral Honors (Northern California)
California Army NG
06.2024 - 02.2026
NSW USSOCOM Change Manager
SRG Government Services
06.2022 - 06.2024
Front End Supervisor
Costco Wholesale
07.2018 - 07.2020
Senior Network Engineer Sergeant
California Army National Guard
01.2017 - Current
Membership Supervisor
Costco Wholesale
07.2016 - 07.2018
Associate of Science - Information And Communication Technology
City College of San Francisco