MARCIO MARQUES DOS SANTOS
São Jose dos Campos
Summary
Dynamic operations leader with extensive experience at SLB, excelling in project management and strategic execution. Proven track record in optimizing performance and enhancing quality systems compliance, driving a 20% revenue increase through continuous improvement initiatives. Adept at stakeholder engagement and fostering high-performing teams to achieve operational excellence.
Overview
23
23
years of professional experience
Work History
Manufacturing Center Planning & Warehouse Manager
SLB OneSubsea
06.2025 - 03.2026
- Results-driven Warehouse and Operations Manager with strong expertise in SIOP and capacity planning, ensuring alignment between demand, inventory, and operational execution.
- Led demand analysis and factory allocation planning by integrating actual orders with forecasts to align external capacity and internal production strategies.
- Translated forecasts into actionable plans that optimized warehouse throughput, labor utilization, and inventory levels while achieving customer service targets.
- Skilled in workflow optimization, inventory control, and operational planning, with knowledge of takt time, cycle time, work centers, and constraint-based approaches.
- Experienced in assessing capacity and improving warehouse efficiency using data-driven analysis and systems thinking.
- Contributed to budgeting and strategic initiatives, including labor planning, cost control (OpEx), warehouse expansion, and automation to enhance productivity and service performance.
- Proactively mitigated risks, managed ramp-up requirements, and addressed long-lead constraints to ensure operational continuity and service reliability.
Landing String Operation Manager
SLB OneSubsea
09.2024 - 03.2026
- Managed end-to-end operations for Landing String Manufacturing, achieving on-time delivery and maintaining production efficiency while upholding quality standards.
- Owned full P&L, driving strategic initiatives that improved profitability and supported long-term business growth.
- Led complex projects from planning through execution, delivering within schedule, scope, and budget while ensuring compliance with contractual and quality requirements.
- Partnered with customers to align production and project execution with business objectives, enhancing relationships and improving service performance.
- Spearheaded the successful relocation of Landing String manufacturing operations to Berwick, USA, minimizing operational disruption and maintaining production continuity.
Regional Technology Lifecycle Manager
SLB
04.2022 - 09.2024
- Developed workforce, operational standards, and business systems to support significant regional growth, leveraging team engagement, HSE and quality standards, and lean process implementation.
- Drove operational excellence by ensuring on-time delivery, improving equipment reliability, and optimizing asset utilization across a multi-country maintenance network.
- Standardized processes and accelerated digitalization of maintenance programs to improve turnaround times and operational consistency across multiple facilities.
- Aligned workforce performance with customer expectations through effective team development and people management.
- Led the establishment of workshops, local workforce capabilities, HSE and quality standards, business systems, procedures, and compliance frameworks for operations in Uganda and Namibia.
- Established growth strategy based on comprehensive understanding of business systems related to customer challenges, strengthening backbone products and services across five business lines in African markets (Angola, Congo, Gabon, Namibia, South Sudan, Uganda).
- Built and led high-performing teams with a continuous improvement mindset, driving synergies across business lines and locations.
- Embedded lean culture across locations and business lines, improving processes and eliminating waste to enhance service delivery and establish a sustainable competitive environment.
- Fostered a strong safety and performance culture, achieving zero Lost Time Incidents (LTI) across ten facilities while maintaining high service quality in offshore operations.
Product & Service Delivery Manager
SLB
11.2020 - 04.2022
- Oversaw cross-functional team of 280 professionals across Project, Field Service, and Contract units, facilitating field support, contract maintenance, equipment rental, repair/remanufacturing operations, and spare parts distribution.
- Held full P&L accountability, defining and executing strategic plans to drive profitability and sustainable growth.
- Reported directly to the Division Manager and participated in quarterly P&L reviews with HQ, collaborating closely with the Financial Controller to optimize resource allocation, Opex, and CapEx plans.
- Developed operations strategy for subsea business by assessing customer needs and competitive dynamics, aligning resources and processes to meet strategic objectives.
- Directed project execution and daily operations, ensuring on-time, within-budget delivery with the highest HSE & Quality standards.
- Rebuilt organizational structure to drive sustainable performance, achieving a 20% revenue increase, reducing contract penalties by 10%, and improving on-time delivery by 20% through Six Sigma initiatives.
- Led establishment of new operational model supporting growth of IOC services in Brazil, enhancing service delivery capabilities.
- Actively contributed to global service contract negotiations with Petrobras, including installation, commissioning, intervention, and maintenance of subsea tooling and equipment for a three-year contract.
Field Service Manager
SLB OneSubsea
02.2018 - 11.2020
- Established SLB standards for field service operations in preparation for IOC operations in Brazil, ensuring operational readiness for large-scale offshore projects.
- Managed an offshore team of 200+ professionals, overseeing service delivery and ensuring alignment with customer expectations.
- Delivered consistent P&L growth through process optimization, strategic cost control, and operational efficiency improvements.
- Evaluated field operations through quarterly visits, personal observations, lessons learned sessions, and root cause analysis with internal teams and customers to identify process improvements and streamline workflows for faster project turnaround.
- Fostered customer-focused culture within team, maintaining strong relationships and achieving high customer satisfaction levels.
- Promoted strict adherence to operating procedures and safety regulations, ensuring production efficiency, safety, and quality performance across all operations.
Project Delivery Manager
SLB OneSubsea
01.2015 - 01.2018
- Developed and executed project plans to achieve on-time delivery within budget, enhancing overall project efficiency.
- Directed project execution and daily operations, ensuring on-time, within-budget delivery with the highest HSE & Quality standards.
- Directed cross-functional teams, managed resources, risks, and changes, and maintained stakeholder communication to ensure project success.
- Managed Aftermarket Contract between OneSubsea and Petrobras, ensuring compliance with contractual obligations and maintaining agreed service levels.
- Managed and monitored the S&OP process, including demand planning, operational planning, scheduling, and production control.
- Led demand analysis and factory allocation planning by integrating actual orders with forecasts to align external capacity and internal production strategies.
- Facilitated communication between Sales and Manufacturing to streamline order entries, ensure cost assurance, and align scheduling with customer service requirements.
- Maintained readiness of critical oil and gas equipment and running tools, verifying compliance and achieving high operational availability in line with customer contract requirements, including Petrobras, Total Energies, and Equinor.
- Rebuilt organizational structure to drive sustainable performance, achieve a 20% revenue increase, reduce contract penalties by 10%, and improve on-time delivery by 20% through Six Sigma initiatives.
Account Manager
SLB OneSubsea
06.2012 - 01.2015
- Managed customer relationships, ensuring adherence to contract terms, local regulations, and company policies, overseeing measurement, invoicing, escalations, schedules, and contract amendments.
- Managed the Onesubsea Macaé long-term contract with Petrobras, covering field service and comprehensive repair and maintenance for Subsea Christmas Trees.
- Conducted periodic customer reviews, analyzed performance data and trends to anticipate needs, and developed targeted strategies enhancing aftermarket services.
- Worked cross-functionally with Engineering, Manufacturing, Quality, Finance, Field Service, and other teams to ensure seamless contract execution.
- Served on contract negotiation committee with Petrobras, applying project management principles to streamline maintenance processes and enhance operational efficiency.
- Ensured renewal and compliance with key industry certifications (API 6A, 16A, Q1, Q2, ISO 9001, 14001, 45001) serving as Auditor Lead.
Contract Supervisor
SLB Cameron
04.2010 - 06.2012
- Supervised contract teams across Contract and Logistics functions, enhancing coordination and execution of service delivery.
- Conducted engagement-level risk assessments to identify key objectives and evaluate risks, implementing mitigation controls to ensure compliance and support continuous improvement.
- Implemented programs to enhance quality and reduce costs while consistently meeting customer requirements and contractual obligations.
- Deployed continuous process improvement and lean management practices, standardizing operations and enhancing overall efficiency.
- Reduced contractual liquidated damages by 40% through Six Sigma initiatives, minimizing rig downtime and improving overall operational performance.
Contract Coordinator
SLB Cameron
12.2008 - 04.2010
- Led development of management software (SIGAS) to meet Petrobras framework agreement requirements, creating a benchmark solution for the industry.
- Mapped and analyzed operational processes to address contract requirements, identifying and implementing improvements to enhance performance.
- Coordinated field service planning operations to align scheduling with contract requirements and customer expectations.
- Conducted audits as Quality Lead Auditor to assess compliance and identify gaps.
Engineer
Petrobras Macae
07.2003 - 11.2008
- Spearheaded the development of management software (SIDES) to meet Petrobras framework agreement requirements, improving compliance, operational visibility, and service delivery efficiency.
- Coordinated failure analysis within Subsea Equipment Department, identifying root causes and implementing improvements to increase reliability and performance.
- Analyzed KPIs and performance metrics to inform results management and establish targeted improvement plans.
Education
Post-Graduate - Petroleum Engineering
Funcefet
01-2008
MBA - Management Sustainable Business
Latec/UFF
01-2005
Degree - Chemical Engineering
UFF
01-2002
Skills
- Inventory Optimization
- Warehouse Team Leadership
- Project Management
- Operational Strategy
- Operation Excellence
- KPI Management
- Quality Systems Compliance
- Continuous Improvement
- Contract Management
- Stakeholder Engagement
- Cross-Performance Team
Phone
WhatsApp, +55 12 99153-5210
Languages
Native, Fluent
Professional References
Marcio Natal Martins, NAM Service Manager, SLB OneSubsea (USA), WhatsApp, +55 22 998184259, mmartins7@slb.com
Target
I am seeking to apply for a Operation Manager
Timeline
Manufacturing Center Planning & Warehouse Manager
SLB OneSubsea
06.2025 - 03.2026
Landing String Operation Manager
SLB OneSubsea
09.2024 - 03.2026
Regional Technology Lifecycle Manager
SLB
04.2022 - 09.2024
Product & Service Delivery Manager
SLB
11.2020 - 04.2022
Field Service Manager
SLB OneSubsea
02.2018 - 11.2020
Project Delivery Manager
SLB OneSubsea
01.2015 - 01.2018
Account Manager
SLB OneSubsea
06.2012 - 01.2015
Contract Supervisor
SLB Cameron
04.2010 - 06.2012
Contract Coordinator
SLB Cameron
12.2008 - 04.2010
Engineer
Petrobras Macae
07.2003 - 11.2008
Post-Graduate - Petroleum Engineering
Funcefet
MBA - Management Sustainable Business
Latec/UFF
Degree - Chemical Engineering
UFF