Total 35 Senior Executive process improvement manager job vacancies in Others category in The Philippines

Job Description:

• In charge of ensuring the implementation of Lean/Continuous Improvement tools & Lean projects in the company
• Responsible for expanding and sustaining the lean deployment efforts through facilitating Value Stream Mapping (VSM), Kaizen and Continuous Improvement events
• In charge of identifying, deployment and driving successful completion of Lean projects/initiatives
• In charge of leading Continuous Improvement initiatives and managing the efficiently the sharing of best practices among departments

Job Requirement:

• Minimum Degree in Aersopace Engineering or relevant
• Minimum 5 years of working experience in driving continous improvement projects
• Experience in Lean Six Sigma Green/Black Belt, JIRA, Power BI, VBA and Macros will be advantage

To submit your application, please apply online to apply@rn-care.com or call +(65) 6513 5697 for private and confidential discussion.

Your interest will be treated with the strictest of confidence. We regret that only shortlisted candidates will be notified or contacted.

RN Care Pte. Ltd
EA License No: 17C8900

Job Responsibilities:

• Analyze SPC charts using SPACE. Know all the PR rules and their significance. Do proper annotation to maintain quality troubleshooting rate for SPC OOC. Understand Cp and Cpk indices.
• Analyze split lot, DOE data, ET, sort yield using JMP, Klarity ACE.
• Create SPC charts, DCOP and modify SLDB using PROMIS (Si-View).
• Upload recipe, check recipe and ensure recipe content compliance using RMS.
• Follow up on SPSR, MRB, 8D, TECN, or spec update with ECN. Provide guidance to junior Engineers.
• Setup and troubleshoot issues in recipes/ job files in all metrology tools within the Module.
• Analyze data from passed down to identify chronic process issues, establish improvement programs and lead engineers to resolve them. Establish CAS / procedures to be followed and work with other departments for resolution if required.
• Work as a team with both Equipment and Manufacturing Engineers to meet Module objectives. Drive team to meet key indices of Uptime and OEE as per the goals set for these indices.
• Take on leadership roles to drive a small cross functional task team to address yield improvement/ excursion issues.
• Facilitate/ initiate CIP programs to optimize process window, cost, yield, and productivity. Establish plans and strategies to optimize process capability to meet operational requirements.
• Resolve complex technical issues in own Module or yield related issues
• Follow up with cross-fab benchmarking activities to engage the best-in-campus practices across fabs.
• Self audit and update specifications / documentation to meet TS16949 Quality Standard requirements.

Requirements:

• Degree in Electrical / Electronics / Microelectronics / Chemical Process / Chemistry / Physics / Material Sciences / Mechanical
• Min 2 years of relevant work experience in Thin Film CMP Process and Wafer fabrication process.
• An excellent team player with good interpersonal, communication and written skills
• Strong logical thinking capability and good analytical skill
• High level of integrity with strong leadership attributes to lead and coach a team
• Highly committed with good ownership and accountability
• Able to adapt in a fast pace environment and work under pressure
• Proficient in MS Office Applications

The Grant Process team oversees all grant applications and claim submissions for the grants managed by the organization. You will be part of the team to ensure compliance and accountability in grant administration, work with internal and external stakeholders to achieve targets and deliver good client experience.

• Evaluate the eligibility of grant applications and issue grant offers to companies.
• Verify claims submissions on project achievements and eligibility of claim, and guide juniors on the same.
• Maintain proper records of applications and claims, fulfill system processes and ensure accurate data inputs in system.
• Work with stakeholders (including but not limited to internal teams/ groups, clients, call centers and system vendors) to ensure daily operation effectiveness and excellent client service delivery.
• Assist with provision of inputs for data collection, reports and budget utilization, and in conducting User Acceptance Testings.
• Provide support on grant audits, PDPA compliance & management, and address queries from other teams.
• Handle administrative duties, and provide support for ad-hoc assignments to events/ projects as assigned.

Job Requirements:

• Diploma in business management, computer science, finance, or related field, with at least 3 years relevant experience in claims or grants management/administration. Fresh diploma holders are welcome to apply.
• Strong analytical ability, detail-oriented and adept in business understanding
• Meticulous, and adept at problem-solving
• Good interpersonal skills and effective communication skills (both written & verbal)
• A team player with a strong sense of responsibility and initiative

Only Singaporeans may apply.
Designation and salary will be commensurate with experience.
We will only contact shortlisted candidates

Business Development/Sales Executive Job Scope andResponsibilities

Responsibilities:

• Develop new business development leads with existing and new customers
• Attend to Sales enquiries, generation of quotation
• Follow up quotation, Monitoring samples & Shipments schedules
• Work closely with Operation, Engineering & Quality teams to offer the best solutions for customers
• Ensuring proper records of sales-related documents (quotation, customer enquiries and other relevant documents)
• Any other related sales duties assigned by management

Requirements:

• Minimum ‘O’ level or equivalent
• Proficient in MS Office applications
• Bilingual in English & Mandarin (able to communicate effectively with our Chinese business associates)
• Excellent communication, interpersonal & organizational skills with forward-thinking attitude
• Fresh graduates and/or inexperienced are welcomed

Training and skills acquisition will be provided

Job Description:

• In charge of ensuring the implementation of Lean/Continuous Improvement tools & Lean projects in the company
• Responsible for expanding and sustaining the lean deployment efforts through facilitating Value Stream Mapping (VSM), Kaizen and Continuous Improvement events
• In charge of identifying, deployment and driving successful completion of Lean projects/initiatives
• In charge of leading Continuous Improvement initiatives and managing the efficiently the sharing of best practices among departments

Job Requirement:

• Minimum Degree in Aersopace Engineering or relevant
• Minimum 5 years of working experience in driving continous improvement projects
• Experience in Lean Six Sigma Green/Black Belt, JIRA, Power BI, VBA and Macros will be advantage

To submit your application, please apply online to apply@rn-care.com or call +(65) 6513 5697 for private and confidential discussion.

Your interest will be treated with the strictest of confidence. We regret that only shortlisted candidates will be notified or contacted.

RN Care Pte. Ltd
EA License No: 17C8900

Job Summary

You will support process engineering and sustaining activities for a European semiconductor material manufacturer, driving process optimization, troubleshooting, and continuous improvement to enable smooth mass manufacturing transitions and cost-effective operations.

Responsibilities

• Be part of the process engineering team to optimize processes and sustain engineering activities for new and existing materials and equipment
• Troubleshooting efforts on manufacturing lines to resolve equipment and material issues, ensuring minimal disruption
• Identify process issues, conduct root cause analysis, and resolve customer complaints through effective problem-solving techniques
• Review and maintain accurate, up-to-date process documentation to ensure compliance and knowledge retention
• Drive lean and continuous improvement initiatives to enhance yield, productivity, and reduce scrap costs
• Facilitate smooth transitions from development to mass manufacturing by coordinating cross-functional collaboration
• Collaborate with production, quality, and maintenance teams to improve process workflows and operational efficiency
• Support procurement in sourcing strategies and cost reduction activities related to materials and equipment
• Support industrialization projects focused on process and equipment improvements to enhance manufacturing capabilities

Preferred competencies and qualifications

• Bachelor of Engineering or Science in Mechanical, Chemical, Chemistry, or Material Science
• 5 to 8 years in process development and sustaining engineering in semiconductor processes
• Proficiency in lean six sigma methodologies to drive process improvements
• Strong application of statistical tools including SPC, Minitab, DOE, FMEA, and JMP for data-driven decision making
• Knowledge of ISO standards and Environmental, Health, and Safety (EHS) management systems
• Experience with SAP for creating BOMs, routing, and new material number creation
• Demonstrated management skills with the ability to analyze complex problems, work independently, and manage multiple tasks effectively
• Work location in the West region (bus transport provided)

• Provide Health, Safety & Environment (HSE) advice to all Businesses.
• Act as Registered Workplace Safety & Health Officer (WSHO), Registered Fire Safety Manager (FSM)
• Ensure compliance to all elevant Safety Management Systems.
• Ensure a safe working environment is made available to all employees, clients and contractors by ensuring that all regulatory HSE requirements are satisfied.
• Company Management Representative for all Safety Management System certifications.
• Central point of contact for all local HSE related issues.
• Development and maintenance of an effective Health and Safety Management System in line with Group policies and best practices.
• Development of an effective HSE strategy to support continuous improvement.
• Undertake accident/incident investigations and prepare/provide accident/incident reports where necessary.
• Undertake HSE inspections, audits and training where required.
• Provide appropriate advice to managers offering a practical and informed interpretation of Company Policies and H&S legislations in response to routine and non-routine matters to enable all operations to function effectively and consistently within established guidelines.
• To keep appraised of current HSE management best practice and theory in order to effectively advise and ensure relevant application in line with business objectives, its culture and environment.
• Maintain effective working relationships with key people in all Businesses by ensuring an appropriate level of interaction, including reactive and proactive site visits and regular written/verbal communications.
• Ensure HSE remains a focused strategy and support the management in identifying priorities and monitoring performance against strategic objectives.
• At all times exercise due regard for the health and safety of all in line with Company’s policies and procedures.

Requirements:

• At least 5 years of experience in safety, health & environment management in a similar industry such as oil & gas , chemicals industries.
• Must have Level C certificate.
• Certified Workplace Safety & Health Officer with the Ministry of Manpower.
• Certified Fire Safety Manager with the Singapore Civil Defense Force.
• Demonstrate exemplary SHE behavior and motivate others to follow.
• Able to analyze and conduct critical thinking to identify gaps and improvements required

Interested candidates, please send your detailed resume stating Past Employments, including Reasons of Leaving, Last Drawn Salary for the most recent 2 positions (breakdown of basic salary, allowance, bonuses etc), Expected Basic Salary and availability.

By sending your job application/resume to us, it shall be deemed that you have agreed and hereby give your consent to MANFIELD in collecting, using and/ or disclosing your personal data for the purpose of accessing and processing your job application and/ or for future job opportunities within MANFIELD and/ or with the client(s) of MANFIELD. If you wish to withdraw your consent, please notify us. Kindly visit our company website for more information on the Privacy Policy.

WE REGRET TO INFORM THAT ONLY SHORTLISTED CANDIDATES WILL BE NOTIFIED

Manfield Employment Services Pte Ltd (Lic. No: 95C2823)

Posting Personnel: Quennie Chen

EA Personnel Reg No.: R1222837

Job Description

• Work closely with Senior Process Engineer to deliver projects and assignments including the following responsibilities that follows.
• Develop and design efficient and cost-effective water treatment processes for various applications, such as potable water, wastewater, desalination, and industrial water and wastewater treatment.
• Evaluate client requirements, conduct feasibility studies, and design process flow diagrams (PFDs) and piping and instrumentation diagrams (P&IDs)
• Conduct performance evaluations, analyze data, and recommend modifications to process parameter equipment, and technologies.
• Evaluate equipment specifications, conduct technical evaluations, and make informed recommendations based on performance, reliability, and cost-effectiveness.
• Define project scope, develop project plans, monitor progress, manage resources, and ensure timely and cost-effective project delivery.
• Professionally manage and engage clients to present detailed solutions.
• Prepare detailed technical reports, design documents, and project updates.
• Document process design criteria and calculations.

Qualifications

• Bachelor's or Master's degree in Chemical Engineering, Environmental Engineering, or Civil
  Engineering
• Strong analytical and problem-solving skills.
• Understand water/wastewater treatment process from an engineering perspective, including cross-
  disciplinary requirements of these projects
• Proficiency in process simulation software and digital design tools (BIM/AutoCAD/Revit/etc)
• Excellent communication and interpersonal skills.

Job Responsibilities:

• Analyze and troubleshoot problems with a systematic and analytical mindset.
• Monitor process performance and key parameters to maintain product quality and consistency, utilizing SPC charts and other statistical tools.
• Collaborate with Equipment Engineers to drive yield, quality, and throughput improvement projects.
• Work with cross-functional teams to implement corrective actions on quality-related issues.
• Partner with external vendors to identify root causes, provide application support, and address topics relevant to the smooth operation of manufacturing equipment.
• Conduct training sessions for technicians to enhance technical competency and disseminate critical knowledge needed to achieve key module KPIs.
• Lead or participate in projects focused on downtime reduction, cost savings, yield improvement, or new material qualification.
• Define process controls and prepare related documentation to ensure the smooth running of production.
• Drive/contribute in quality investigations and continuous improvement programs to resolve chronic process and quality issues, and institute permanent resolutions to assure product quality and enhance process robustness.
• Enforce in line controls and execution to conform to work instructions and procedures. Apply hands-on and with deep involvement at work.
• Establish, review and perform regular update of FMEA, OCAP, Process control, Risk Assessment and SIPOC on all critical processes to ensure a robust process.
• Compliance with CSR, EHS, QM, ESD, 5S standard and cleanroom protocol.

Job Requirements:

• Minimum Bachelor’s degree in Physics / Chemistry / Material Science/ Electronic or Electrical Engineering or equivalent.
• Candidates with experience in electroplating are preferred.
• Knowledge on semiconductor process technology.
• Possess strong technical competencies in his field of study.
• Good knowledge of statistical and quality tools.
• Experience with software applications such as MS Power Point, Excel and Word

Job Description:

• In charge of ensuring the implementation of Lean/Continuous Improvement tools & Lean projects in the company
• Responsible for expanding and sustaining the lean deployment efforts through facilitating Value Stream Mapping (VSM), Kaizen and Continuous Improvement events
• In charge of identifying, deployment and driving successful completion of Lean projects/initiatives
• In charge of leading Continuous Improvement initiatives and managing the efficiently the sharing of best practices among departments

Job Requirement:

• Minimum Degree in Aersopace Engineering or relevant
• Minimum 5 years of working experience in driving continous improvement projects
• Experience in Lean Six Sigma Green/Black Belt, JIRA, Power BI, VBA and Macros will be advantage

To submit your application, please apply online to apply@rn-care.com or call +(65) 6513 5697 for private and confidential discussion.

Your interest will be treated with the strictest of confidence. We regret that only shortlisted candidates will be notified or contacted.

RN Care Pte. Ltd
EA License No: 17C8900

As a Senior/Staff NAND Module Process Integration Engineer in the Singapore R&D department at Micron Technology Inc., you will be responsible for designing, developing, integrating, and implementing innovative and effective process solutions to improve next-generation 3D NAND Product Yield and Quality with competitive cost and performance within the required timeline.

Your responsibilities will include, but are not limited to, the following:

• Module Ownership: Lead one or more process modules related to the development and operation of a 3D NAND semiconductor integrated circuit.

• Specification definition: Define structural specifications and process requirements for assigned modules.

• Strategic Direction: Set a clear direction and vision for the module and have a well-defined continual improvement plan.

• Proactive Issue Resolution: Be proactive in identifying potential structure, electrical and reliability issues and addressing them early with process control. Solve problems with a model-based approach.

• Performance Optimization: Focus on structural development, electrical performance, parametric verification, and process control and manufacturability assessment and optimization.

• Material Innovation: Analyze materials physically, electrically, etc. and work with process groups, etc to select new material for development. Drive material changes from research into production.

• Design Experiments: Design and execute device and process experiments to perform process development and process integration. Extract, analyze, report and draw logical conclusions on experiments and clarify the statistical significance of the data.

• Team Leadership: Provide team leadership in module development with assembling and coordinating a development team including process engineers, etc.

• Decision-Making & Goal Setting: Make key decisions for the team, as well as provide clear direction, goals and metrics for success of the team.

• Innovation & IP Generation: Innovate to address complex problems through both design and process. And consider new options for improving and developing new technologies or devices. Patent disclosures are expected on a regular basis.

• Cross-Functional Coordination: Coordinate activities such as reticle tapeouts, flow/traveler changes, lot management, etc. across cross-functional teams to enable a project to proceed in a rapid and low error manner.

• Technology Transfer: Support the transfer of new technology from R&D to high volume manufacturing.

• Communication & Influence: Communicate key information and projects via presentations and group discussion and drive decisions.

• Continuous Development: Continually grow technical and management skills and pursue continued education via on-job training and training class.

Successful candidates for this position will have:

Must have:

• Passionate about semiconductor technology and innovation.

• Adept at data analysis, problem-solving, and process integration optimization.

• Excellent communication skills and capacity to collaborate within cross-functional teams.

Requirements:

Education:

• Bachelors or Masters or PhD in Electrical Engineering, Microelectronics, Chemical Engineering, Material Science or a related field

• Proficiency in scripting/programming/engineering/business intelligence/Analytics software, such as Python, SolidWorks, Tableau, Power BI, etc. is desirable.

• Minimum of 3 years of experience in the semiconductor industry in the Process Areas or Process Integration.

• Ability to develop a strong holistic end-to-end understanding of particular PI modules on new NAND technologies and related structural & electrical fail mechanisms.

• In-depth knowledge and direct experience with non-volatile memories (NAND) along with good understanding of the NAND process flow, the interaction of process & device, common yield & reliability issues are desirable.

• Experience in R&D and technology transfer within Semiconductor industry

• Committed to quality, collaboration, and continuous improvement.

• Ability to be self-motivated, and self-governing with proven ability to work in a demanding & dynamic environment.

Micron is a global leader in memory and storage solutions, enabling transformative technology that enriches life for all. With over 40 years of innovation, Micron plays a pivotal role in the data-driven economy, where memory and storage are strategic differentiators. We are committed to sustainability, employee well-being, and community support, and we foster a culture of inclusion, collaboration, and continuous improvement. 

Job Summary 

Main Responsibilities: 

As a Process Integration Module Engineer in the Process Integration department, you will be responsible for coordinating improvements in Yield, Quality, and Output for the NAND Flash production line. Day-to-day responsibilities include but not limit to crafting and analyzing process experiments, teaming with YE and PQA to investigate yield and quality problems, and working with production and process engineering teams to ensure the smooth operation of the fab. 

Responsibilities and Tasks 

• Collaborate with multi-functional teams from PIE, Process & Equipment Engineering, WLR, TD to improve product yields and reliability within your assigned process loop. 

• Communicate module related issues to the Fab engineering and leadership teams. 

• Design, execute, and analyze experiments to improve fab process, yield, and quality. 

• Collect and interpret complex data to optimize Fab processes and increase yields. 

• Engage and/or lead cross-area engineering teams to tackle process issues. 

• Work closely with global partners to stay ahead of on module related topics and process alignment projects. 

• Collaborate with other PI module owners and sister fabs to drive business process alignment 

• Partner with IE, Process and Equipment Engineering  and Production to better forecast and balance yield, output and process issues 

• Integrates AI-assisted tools and insights into daily work to improve efficiency, quality, or effectiveness, exercising sound judgment and complying with organizational standards and legal requirements.

• Contributes to a culture of continuous improvement by identifying, testing, and sharing AI-enabled enhancements within one’s scope of work.

Requirements:

• PhD in Engineering or Science is must.

• Strong analytical, logical, and critical thinking skills 

• Effective communicator, able to collaborate across all levels 

• Growth mindset with a passion for continuous learning 

• Internship or experience in the semiconductor industry is a plus 

• Demonstrated leadership and a track record of impact are highly desirable 

• Interest in and knowledge of the semiconductor industry and Micron is preferred.

• Embody Micron’s core values: 

• People – Respect, develop, and empower others 

• Innovation – Drive continuous improvement and breakthrough thinking 

• Tenacity – Show grit and determination 

• Collaboration – Build trust and foster teamwork 

• Customer Focus – Deliver excellence and value 

• Ability to apply baseline digital fluency and role appropriate AI literacy to use AI enabled tools responsibly and effectively for research, analysis, content creation, problem solving, operational tasks, and achieving business outcomes.

What to Expect  

Micron is proud to be an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, age, national origin, disability, protected veteran status, gender identity, or any other protected factor. 

Responsibilities: 

• Develop and optimize unit processes to meet the yield and quality requirements of advanced NAND part type 

• Quantify benefits of innovative process and/or equipment solutions to enable early experimentation and adoption for process margin improvement Prioritize within Singapore based manufacturing Wet Etch team on the key technology issues that need TD breakthroughs. 

• Integrate and troubleshoot processes as part of cross-functional teams driving yield and quality improvement Participate with Boise TD Wet Etch peers on technology choices for the upcoming nodes and able to translate future technology device needs into clear process requirements 

• Process development will include performing fundamental research, hardware evaluations, as well as testing processes for novel applications and generating intellectual property relevant to Micron. 

• Initiate and manage experiments to widen process margins as well as to test out manufacturability of next node solutions 

• Identify process simplification opportunities and drive cross functional teams in implementation Incorporate best known manufacturing methods into early development phase of upcoming nodes. 

• Design and implement advanced process monitoring and control methodologies. 

• Serve as a technical expert within Micron contributing to technical projects for improvements to processes, procedures and equipment. 

• Lead team or sites or suppliers on complex, multi-disciplinary projects in quality focused meetings, process and yield improvement meetings, cost and productivity improvement meetings 

• Provide advice and counsel to management on significant technical issues. Leads and initiate innovation projects through patents/technical papers. 

• This position requires communication and collaboration with partners both locally and globally. 

• Strict adherence to Micron Intellectual Property protection policy is a must. 

• Be part of the continuous worldwide TD engagement with suppliers pushing for breakthrough solutions. 
   

Requirements: 

• Masters/PhD graduates in Materials Science, Chemical/Microelectronic Engineering or Chemistry are welcome to apply. 

• 2-3 years of semiconductor industry experience is preferable 

• A deep understanding of chemistry, chemical kinetics, thermodynamics and mass transport 

• Basic understanding of films and interface engineering and analysis techniques thereof – SIMS, XPS, EDX, SEM/TEM, FTIR. Understanding of various integration and structural impacts and constraints related to wet etch processes. 

• An understanding of the general process steps and process flow for memory processing, planar and vertical NAND memory in particular. 

• Working knowledge of data analysis systems e.g.: Y3 to facilitate analysis of experimental data 

• Working knowledge of Design of Experiments (DoE) Proven ability to collaborate with local and overseas teams on projects 

• Excellent oral and written communication skills with ability to convey the message in concise and effective manner both in local as well as remote communications. 

• Ability to be a self-motivated individual and be adaptable to Micron’s changing needs in terms of working extended hours, if required Proven ability to work in a demanding & dynamic environment and able to prioritize and manage multiple projects simultaneously 

• Ability to travel for extended periods of time and stay at Boise TD for 2-4 months at a stretch to work on technology development. 
   

Working location: 

• 1, North Coast Drive, Singapore 757432 

Job Description:

• In charge of ensuring the implementation of Lean/Continuous Improvement tools & Lean projects in the company
• Responsible for expanding and sustaining the lean deployment efforts through facilitating Value Stream Mapping (VSM), Kaizen and Continuous Improvement events
• In charge of identifying, deployment and driving successful completion of Lean projects/initiatives
• In charge of leading Continuous Improvement initiatives and managing the efficiently the sharing of best practices among departments

Job Requirement:

• Minimum Degree in Aersopace Engineering or relevant
• Minimum 5 years of working experience in driving continous improvement projects
• Experience in Lean Six Sigma Green/Black Belt, JIRA, Power BI, VBA and Macros will be advantage

To submit your application, please apply online to apply@rn-care.com or call +(65) 6513 5697 for private and confidential discussion.

Your interest will be treated with the strictest of confidence. We regret that only shortlisted candidates will be notified or contacted.

RN Care Pte. Ltd
EA License No: 17C8900

The Operations Executive is responsible for coordinating construction activities with efficient logistics planning to ensure timely project execution. The role involves managing material flow, vendor coordination, site support, and ensuring compliance with project schedules, quality standards, and cost controls.

Roles & Responsibilities:

Plan and manage the procurement, transportation, and delivery of construction materials to project sites.

Coordinate with suppliers, transporters, and warehouse teams to ensure uninterrupted material availability.

Monitor inventory levels and maintain optimal stock to avoid project delays.

Work closely with site engineers and project managers to understand material and equipment requirements.

Ensure timely mobilization of machinery, tools, and manpower.

Track daily site activities and support operational requirements.

Liaise with vendors and subcontractors for material supply and service delivery.

Evaluate vendor performance based on cost, quality, and timelines.

Negotiate logistics-related costs and contracts where required.

Maintain records of purchase orders, delivery notes, invoices, and logistics documentation.

Ensure compliance with safety standards, company policies, and local regulatory requirements.

Monitor logistics and operational expenses to ensure cost efficiency.

Identify opportunities for cost reduction in transportation and procurements

Act as a communication bridge between procurement, warehouse, and site teams.

Provide regular updates on material status, delays, and operational issues.

Education:

Bachelor’s degree / Diploma in Logistics Management, Supply Chain Management, or related field.

Additional skills

Strong understanding of supply chain and logistics processes in construction projects.

Good coordination and multitasking ability in fast-paced environments.

Proficiency in MS Excel, ERP systems, or inventory management tools.

Strong communication and negotiation skills.