Total 3,482 technical support engineer job vacancies

Employment Type:

Contract (Approx. 8 months) - Mid Jul 2026 - Mid Mar 2027

Location: 80 Tuas South Boulevard

About the Role

As a key member of our site team, you will play a vital role in ensuring the successful delivery of our projects. This position requires strong technical expertise, attention to detail, and the ability to coordinate effectively with multiple stakeholders.

Key Responsibilities

• Review and endorse all drawings from authorities and contractors.
• Provide necessary endorsements as required by relevant authorities.
• Supervise all site works, including civil, architectural, plumbing, sanitary, drainage, and sewer systems.
• Oversee full-time supervision for new building erection works
• Coordinate with contractors, QP(S), QP(D), agencies, interfacing contractors, and consultants.
• Maintain accurate and updated site records, including variation works, inspections, progress reports, and safety compliance.
• Prepare daily reports on contractor activities and site manpower status.
• Review and assess formwork structures and support systems; submit evaluation reports endorsed by a PE.
• Monitor safety, environmental, and health compliance on site.
• Supervise installation of instrumentation.
• Perform shift duties as assigned by the Resident Engineer and handle administrative tasks as required.

Requirements

• Diploma in Civil/Structural Engineering from a recognized institution.
• Minimum 10 years of experience as a Resident Technical Officer.
• Familiar with extensive A&A works in operational buildings.
• Strong knowledge of Building Control Act and Regulations; able to maintain systematic site records and reporting.
• Experience in: Civil works, plumbing, sanitary, drainage, sewer systems
  ERSS (deep excavation), demolition, and reinforced concrete piling works
  Supervising architectural works
• Registered with IES/BCA as a Resident Technical Officer.

Who We’re Looking For

• Takes full ownership of assigned projects.
• Problem-solver with practical and logical solutions.
• Responsible, reliable, and detail-oriented.

Note: Only shortlisted candidates will be contacted.
We are not engaging recruitment agencies at this time—please do not contact us.

Key Responsibilities

• Guarantee prompt and accurate submission of AutoCAD drawings, reports, and other project-related documents to leadership.

• Deliver engineering and project management assistance for designated projects from start to finish.

• Oversee document control tasks, including updating, revising, and keeping accurate project records and file structures.

• Play an active role in building a collaborative and professional workplace culture.

• Carry out additional duties as assigned to help meet team and organisational goals.

Job Requirements

• Bachelor’s degree in Naval Architecture, Marine Engineering, or a closely related discipline.

• At least 1–2 years of relevant experience in design or operational support roles.

Competencies You Will Bring

• Strong proficiency in AutoCAD, particularly for creating detailed electrical schematics.

• Demonstrated ability to work both independently and as part of a team.

• Excellent spoken and written English communication skills for clear technical and interpersonal exchanges.

• High level of self-motivation with a desire to contribute directly to the company’s growth and success.

Job Summary

The Technical Sales Advisor serves as the primary technicaland commercial resource for customers and internal stakeholders. This rolecombines deep technical knowledge of HMH equipment and processes with strongcommercial acumen to improve customer experience, drive revenue growth, andsupport global and regional sales strategies. The Technical Sales Advisor worksclosely with customers, regional sales teams, P&T, engineering, and productorganizations to deliver tailored technical solutions and actionable insights.

Job Responsibilities

Technical & Customer Engagement

• Maintain a deep understanding of HMH equipment, systems, and operational processes.
• Serve as the primary technical interface for customers and internal teams.
• Improve overall customer experience through proactive technical support and solution development.
• Engage regularly with customers to identify needs, challenges, and opportunities for improvement.
• Identify areas of improvement for customers and propose value‑adding technical solutions.
• Generate insightful quarterly customer reports based on field data, performance, and customer feedback.
• Provide guidance regarding the voracity of warranty claims and provide guidance during the consideration of sales concessions

Data & Market Intelligence

• Collect, validate and organize data from daily field reports.
• Interpret technical and operational data and translate it into valuable insights for internal and external stakeholders.
• Stay informed on industry trends, competitor offerings, and product innovations.
• Transfer Voice of Customer (VOC) insights internally to ensure focus on the most impactful initiatives.

Sales Strategy & Business Development

• Develop and execute sales strategies to meet revenue and growth objectives.
• Identify and pursue new business opportunities in both existing and new markets.
• Support white‑space mapping to identify new solution opportunities and areas for expansion.
• Assist in the bid‑generation process, acting as a technical presence in operations and commercial meetings.
• Support major commercial pursuits with technical expertise, competitive insights, and solution positioning.

Collaboration & Cross‑Functional Support

• Collaborate closely with P&T, engineering, and product teams to tailor technical solutions to customer requirements.
• Support all regions with technical and specialist sales expertise, aligning with CTO and product organizations.
• Work in partnership with regional sales teams to enable execution while presenting a unified global approach.
• Ensure consistent communication and alignment across regions to avoid fragmented customer engagement.

Global Accounts & Team Enablement

• Coordinate support for major multinational and global accounts, ensuring a “one‑face‑to‑customer” approach across regions.
• Contribute to unified global account strategies covering pricing, upgrades, and solution positioning.
• Act as a technical expert for specific equipment, product lines, or vertical markets as assigned.
• Enable and support regional technical sales resources as needed.

Leadership & Performance Management

• Mentor and manage members of the technical sales organization as applicable.
• Monitor individual and team performance against objectives and recommend improvements where needed.
• Support training initiatives to strengthen technical and commercial capabilities across the sales organization.
• Promote a collaborative team culture focused on shared success and continuous improvement.

Qualifications

• Bachelor’s degree in Engineering, Technical, or Business discipline from an accredited institution.
• Proven experience in technical sales, commercial, engineering, service account management, field service engineering and/or operations roles within relevant industries.
• Strong understanding of technical equipment, systems, and customer operational environments.
• Demonstrated ability to translate technical information into commercial value propositions.
• Willingness to travel (upto 50%) as required to support customers and regional teams.

Desired Characteristics

• Experience working with global or multinational customers.
• Strong analytical skills with the ability to interpret and present data‑driven insights.
• Excellent collaboration and stakeholder management skills across functions and regions.
• Results‑oriented mindset with strong problem‑solving capabilities.
• Excellent verbal and written communication skills.
• Strong presentation skills and ability to represent HMH professionally with customers.
• Proactive, adaptable, and team‑focused approach.

GIC is one of the world’s largest sovereign wealth funds. With over 2,000 employees across 11 locations around the world, we invest in more than 40 countries globally across asset classes and businesses. Working at GIC gives you exposure to an extraordinary network of the world’s industry leaders. As a leading global long-term investor, we Work at the Point of Impact for Singapore’s financial future, and the communities we invest in worldwide.

Technology Group
We experiment, design, and lead a 24×7 global business where we support core capabilities in asset management, trading, investment operations, and risk management. We deliver secure, reliable, and integrated solutions, and provide insights on new, and emerging technologies. 

Investment Technology
The Investment Technology group builds and enhances technology that supports the firm’s end-to-end investment lifecycle. It brings together capabilities across analytics, deal workflow, trading, execution, and operations to enable consistent, efficient, and data-driven investment processes. Through modern, scalable, and secure platforms, the group empowers investment teams with integrated tools that drive insight, automation, and operational excellence across all asset classes.

What impact can you make in this role?
You will be empowered to be at the top of your game by providing strategic partnership, and innovative technology solutions that supports GIC’s vision of being a tech-driven, global, long-term investment firm.

What will you do as a Production Support Engineer?

• Provide support for follow-the-sun L1 and L2 Production Support Model for Front Office applications and platforms that perform the following functions: (1) Portfolio Management, (2) Order and Execution Management, (3) Trading Lifecycle, (4) Investment workflows, and (5) Research and Analytics

• Production Monitoring: Be accountable for the production environment's health and performance using monitoring tools and dashboards.

• Incident Management: Respond to and manage production incidents and ensure minimal impact on business operations. Document incidents and follow up on resolutions.

• Change Management: Review and execute system upgrades and deployments and ensure minimal risk and disruption to production services.

• User Support: Provide support to end-users and stakeholders, address queries and issues related to production services.

• Vendor Engagement: Collaborate with support personnel of Solution Providers, to troubleshoot, mitigate, and resolve issues related to vendor products.

• Issue Investigation: Investigate production issues and engage relevant teams (e.g. infrastructure, data engineering, application teams) for mitigation and strategic solutions.

• System Resiliency Management: Drive system failover and disaster recovery processes.

• Documentation: Maintain comprehensive documentation of application run books, incident resolutions, and system configurations.

• Continuous Improvement: Identify opportunities for process improvements and automation to enhance the efficiency and reliability of application support. 

What makes you a successful candidate?

• Bachelor’s degree in computer science, Information Technology, or equivalent experience

• 6+ years of experience in an application support, system administration or related role

• Hands on technical skills in the following areas: 

  • Hands on experience with monitoring tools (e.g., Datadog, Splunk).

  • Familiarity with cloud infrastructure (e.g., AWS, Kubernetes)  

  •  Familiarity with database management systems (e.g., MSSQL, PostgreSQL, Oracle).

  • Knowledge of operating systems (e.g., Linux, Windows).

  • Stellar problem-solving and analytical skills.

  • Strong attention to detail and multitasking prowess. 

• Excellent communication and interpersonal skills.

• A team-oriented mindset with a dash of independence.

• Strong experience in at least one of the following domains is preferred. Trading workflow including OMS (e.g., BlackRock Aladdin) and EMS Data analytics and TCA report 
• Business Intelligence tools (e.g., Power BI, Tableau, DataBricks) 

Work at the Point of Impact  
We need to be forward-looking to attract the right people to help us become the Leading Global Long-term Investor. Join our ambitious, agile, and diverse teams - be empowered to push boundaries and pursue innovative ideas, share your views, and be heard. Be anchored on our PRIME Values: Prudence, Respect, Integrity, Merit and Excellence, which guides us in how we make our day-to-day decisions. We strive to inspire. To make an impact.

Flexibility at GIC  
At GIC, our offices are vibrant hubs for ideation, professional growth, and interpersonal connection. At the same time, we believe that flexibility allows us to do our best work and be our best selves. Thus, our teams come into the office four days per week to harness the benefits of in-person collaboration but have the flexibility to choose which days they work from home and adjust this arrangement as situational needs arise.

We are an equal opportunity employer  
GIC is an equal opportunity employer, and we value diversity. We do not discriminate based on race, religion, colour, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Learn more about our Technology Group here:  
https://gic.careers/group/technology-group/

To be considered for the role, please submit a formal application through the GIC Careers site at:

https://careers.gic.com.sg/job-invite/17205/

Responsibilities including but not limited to:

• Clerical duties and general administrative support
• Attend to phone calls, queries and emails
• Develop and maintain filing system
• Preparation of legal documents (training will be provided)
• Carry out simple payments, invoicing and receipts functions
• Archival of both digital and hard-copy documents

Requirements:

• Proficient in Microsoft Office and Outlook
• Organized and detail-oriented
• Strong customer service and communication skills

Job Description:

• Monitor contractors' daily activity, site progress, schedule and safety on site

• Carry out administrative works and other duties as required by QP/Employer

• Review and check all the M&E drawings, specifications, and to ensure that works are carried out in accordance with the approved plans/drawings.

• Must familiar with Singapore code of practice (COP), regulations and statutory requirements.

• Highlight discrepancies, feedback site progress and non-conformances/irregularities to QP/Consultants/Employer.

• Assist in reviewing of contractor's method statements and working procedures and assure contractor followed on site.

• Prepare lists of defects, monitor the progress of rectification works and ensure all the defects are satisfactorily rectified.

• To ensure all the construction works have complied statutory requirements
  

Job Requirement：

• Possess M&E RTO certificate accredited by IES / ACE

• 5 days work

• OT provided beyond working hours
  

What we're looking for:

• At least 3 years of experience as a M&E RTO

• Excellent problem-solving and decision-making skills to handle complex on-site situations

• Ability to read and interpret technical drawings, specifications, and contracts

• Proficient in project management, quality control, and health and safety procedures

• Exceptional communication and interpersonal skills to liaise with diverse stakeholder

• A relevant engineering-related degree / diploma / NCSS in mechanical or electrical engineering

Our client is MNC in Environmental Services sector. Due to business needs, they are now recruiting a Technical Manager to be part of their Team for ongoing transformation projects. They are located in the Central - easily accessible.

Key Responsibilities for Technical Manager:

Technical Expertise & Troubleshooting

• Subject matter expert in chiller plants, pumps, cooling towers, air handling units, automation & control systems, and ACMV systems.
• Carry out detailed on-site measurement and verification using industry-standard instruments:
• Water-side tools: ultrasonic flow meters, differential pressure gauges, and temperature sensors
• Air-side tools: anemometers, temperature and humidity measuring devices
• Chiller performance tools: refrigerant pressure gauges (manometers)
• Develop Functional Design Specifications (FDS) for chiller plant optimisation and performance improvement strategies.

Stakeholder & Contractor Coordination

• Coordinate with project teams, subcontractors, and vendors for chiller plant enhancement and performance optimisation works.
• Engage with clients to provide technical consultation, progress updates, and system improvement recommendations.

Commissioning & Performance Optimisation

• Lead commissioning, testing, and fine-tuning of chiller plants, AHUs, and ACMV systems to achieve or exceed performance targets.
• Drive energy optimisation initiatives at project completion, ensuring systems achieve or surpass design COP (kW/RT) requirements.

System Design Review & Optimisation

• Review HVAC design documentation, including schematics, layouts, and control sequences, to identify performance gaps and constructability risks.
• Propose design improvements to enhance efficiency, reduce lifecycle cost, improve maintainability, and ensure system compatibility.

Requirements:

• Diploma/Degree in Mechanical/Electrical Engineering, or equivalent.
• Singapore Certified Energy Manager (SCEM) or Energy Efficiency Opportunities Assessor (EEO Assessor) is Bonus
• Minimum 7 years of strong technical experience in HVAC area
• Willing to support on weekend when required

Interested candidates who wish to apply for the advertised position, please click APPLY NOW or email an updated copy of your resume/cv.

We regret that only shortlisted candidate will be notified.

Email Address: jobs@recruitpedia.sg

Recruitpedia Pte. Ltd.

EA License No: 19C9682

EA Personnel No: R25157233 (Loh Pooi Keng)

Key Responsibilities

• Guarantee prompt and accurate submission of AutoCAD drawings, reports, and other project-related documents to leadership.

• Deliver engineering and project management assistance for designated projects from start to finish.

• Oversee document control tasks, including updating, revising, and keeping accurate project records and file structures.

• Play an active role in building a collaborative and professional workplace culture.

• Carry out additional duties as assigned to help meet team and organisational goals.

Job Requirements

• Bachelor’s degree in Naval Architecture, Marine Engineering, or a closely related discipline.

• At least 1–2 years of relevant experience in design or operational support roles.

Competencies You Will Bring

• Strong proficiency in AutoCAD, particularly for creating detailed electrical schematics.

• Demonstrated ability to work both independently and as part of a team.

• Excellent spoken and written English communication skills for clear technical and interpersonal exchanges.

• High level of self-motivation with a desire to contribute directly to the company’s growth and success.

Job Description:

• In Charge of overseeing the whole process of service cum maintenance workflow
• Responsible for the front line contact with client representatives on all service and maintenance related issues
• In charge of leading a team of service team members
• Responsible for preparing service scope and develop service plans, define resource loading, skill requirements, tracking milestones and metrics
• Taking charge of determine new, creative ways to employ teams on service deliveries and distribute responsibilities
• In Charge of managing day-to-day client interactions and expectations for optimal results
• Continually seek and capitalize upon opportunities to increase customer satisfaction and deepen client relationships
• Possess a knowledge base of each client's business, organization and objectives
• Be responsible for operationally managing multiple aspects of the team.
• Ensure smooth progress and timely delivery and completion of maintenance commitments to clients
• Perform a wide variety of technical and non-technical tasks

Job Requirements:

• Min Nitec or diploma in Electrical/Electronic Engineering
• Min 3 years working experience in security systems such as Integrated Security Management Systems, Card Access Control Systems, Intrusion Detection Systems and CCTV systems
• Hands-on experience in security system configuration, application programming and integration with third-party systems will be an 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

Haier Group is a global leader in IoT ecosystem solutions, with Haier Smart Home (6690.HK / 600690.SH) ranked as the world's #1 major appliance brand. As the Group's global strategy deepens, the overseas expatriate workforce has grown significantly across Southeast Asia, South Asia, the Middle East, Africa, and beyond. Existing expatriate management relies on fragmented manual processes and disconnected systems, unable to meet the demands of cross-border compliance, payroll processing, visa management, and integrated expatriate lifecycle management.

To address this, the Group's Overseas HR Shared Services Centre is building an in-house Expatriate Management System (EMS) and is recruiting a Technical Architect based in Singapore to lead the overall system architecture, full-stack development, and operations management.

Responsibilities:

·      Lead the end-to-end technical architecture design of the Expatriate Management System (EMS); define technology stack, system layering, data models, and API specifications to ensure high availability, scalability, and security.

·      Own full-stack development, including front-end (React / Vue), back-end (Node.js / Java /Python), and database (PostgreSQL / MySQL) design and implementation; complete coding and unit testing of core modules.

·      Design and implement integration solutions between EMS and external systems, including HRIS (Workday, SAP SuccessFactors), Payroll systems, travel management platforms, and government visa/immigration APIs.

·      Design functional solutions for the EMS aligned with key business processes (expatriate application, contract management, visa tracking, payroll settlement, tax compliance, repatriation, etc.); produce comprehensive functional specifications and prototype designs.

·      Establish and enforce system security strategies, including data encryption, role-based access control (RBAC), audit logging, and cross-border data compliance (GDPR, PDPA, etc.).

·      Lead project management for system go-live and iterative releases; define milestone plans, coordinate development, testing, and business teams, and ensure timely, high-quality delivery.

·      Manage production environment operations, including CI/CD pipeline setup, containerized redeployment (Docker / Kubernetes), monitoring and alerting, and incident response.

·      Collaborate closely with business teams (HR, Legal, Finance) and IT infrastructure teams to continuously gather requirements and drive system feature iterations.

·      Produce system architecture documentation, development standards, deployment guides, and operations manuals; build and maintain team knowledge repositories.

Requirements:

·      Bachelor's degree or above in Computer Science, Software Engineering, or a related discipline.

·      5+ years of full-stack development experience, with at least 2 years in a Technical Architect or Senior Developer role.

·      Proficient Infront-end technology stacks (React or Vue.js) and back-end frameworks (Node.js/ Spring Boot / Django); capable of independently delivering full-stack modules.

·      Solid database design skills; proficient in relational databases (PostgreSQL / MySQL) and caching (Redis); familiar with data modelling and query optimization.

·      Familiar with microservices architecture, RESTful / GraphQL API design, and third-party system integration; prior experience integrating with Workday, SAP SF, or government APIs is preferred.

·      Hands-on experience with cloud-native technologies; proficient in Docker, Kubernetes, and deployment/operations on major cloud platforms (AWS / Azure / GCP).

·      Understanding of data security and compliance requirements (GDPR, PDPA, etc.); ability to embed security controls at the architecture level.

·      Prior experience developing HR information systems (HRIS / ERP) or expatriate management systems is strongly preferred.

·      Familiar with Agile/Scrum development; project management capability to independently drive mid-to-large-scale system delivery.

·      Excellent business requirements comprehension and cross-functional communication skills; able to translate complex business logic into clear technical solutions.

·      Fluent in both Chinese and English (written and spoken); able to work independently in a bilingual environment.

Zenith Infotech (S) Pte Ltd. was started in 1997, primarily with the vision of offering state-of-the-art IT Professionals and solutions to various organizations and thereby helping them increase their productivity and competitiveness. From deployment of one person to formation of whole IT teams, Zenith Infotech has helped clients with their staff augmentation needs. Zenith offers opportunity to be engaged in long term projects with large IT savvy companies, Consulting organizations, System Integrators, Government, and MNCs.

EA Licence No: 20S0237

Role:

• Gather and analyse user requirements and translate them into application specifications.

• Design, develop, test, implement, and maintain application systems or web-based applications.

Requirements:

• At least 3 years of experience in application development, programming and systems support.

• Good communication, strong analytical and problem-solving skills.

Technical Skills:

Integrated Development Environments (IDEs):

o Eclipse

Programming Language:

o Java

Environments/Systems experience in one or more of the following:

o MS SQL

o Windows

Operating Systems experience in one or more of the following:

o Windows Server

Platforms experience in one or more of the following:

o Amazon Web Services (AWS) - Optional (Good to have)

o Azure - Mandatory

Databases experience in one or more of the following:

o DB2

o MS SQL

Programming Languages & Other Languages experience in one or more of the following:

o Extensible Markup Language (XML)

o Java

o JavaScript

o SQL

Technologies experience in one or more of the following:

o Java technologies

o MS SQL

Tools:

o Terraform

Others

o Proficient in analysing and translating requirements into solutions.

o Good communication and written skills and work well in a team.

o Working experience in COBOL, CICS, DB2. DB2

o Relational Databases like DB2, SQL Server, Oracle.

o IDE such as Eclipse, JDeveloper, NetBeans or equivalent.

Additional skillset:

o Qlik Talend or Any ETL Tool would be added advantage.

To apply:

Please send your latest CV in MS Word format to jennifer@zenithinfotech.com.sg

Appreciate the interest of all applicants; however only shortlisted candidates will be notified.

Responsibilities:

• Supervises construction works to ensure compliance with approved plans, codes, and safety regulations.
• Represent clients, inspect materials/workmanship, and coordinate with contractors for projects like roads, buildings, and infrastructure
• Monitor daily construction activities to ensure adherence to technical specifications and safety standards.
• Inspect materials and workmanship to maintain high construction quality, often using specialized inspection equipment.
• Ensure contractors follow regulations set by authorities such as LTA, PUB, NEA, and BCA.
• Maintain detailed records, including daily reports, site photos, and technical reports for clients.
• Act as a liaison between consultants, contractors, and Qualified Persons (QPs) to resolve technical issues.
• Read and interpret structural, civil, or M&E drawings

Requirements:

• Min Diploma in Civil Engineering or related field
• Min 3 years of relevant experience in civil and structural experience in building or infrastructure projects
• Proficient in preparing site inspection reports and technical documentation.

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

·        Responsible for the safe and efficient movement of goods/cargo within the warehouse using a forklift. This includes receiving, storing, and dispatching goods/cargo, as well as maintaining warehouse cleanliness and compliance with Safety Management Standards and regulations;

·        Load and unload goods/cargo accurately on or off lorries, vans, trailers or containers, ensuring proper handling and securement;

·        Safely operate forklift to move and stack goods/cargo within the warehouse, placing them in the correct storage bays according to inventory-control instructions;

·        Receive incoming shipments, check for accuracy, and properly store goods/cargo in designated areas within the warehouse;

·        Assist with inventory control, conduct stock checks regularly, and maintain accurate records;

·        Pick, pack and check incoming and outgoing orders for shipping according to customer requirements;

·        Identify damaged goods and report shortages or quality issues;

·        Ensure forklift operators perform daily forklift inspections, identify and report any necessary repairs, and maintain safety through regular maintenance;

·        Responsible for and involved in performing the company’s annual stock take.

·        Performing any additional ad-hoc duties assigned by your Superior or Management.

5.5 days workweek

Sales Admin

• Prepare quotations, stock status and follow ups
• Assist in documentations and filing
• Coordinate with Operations Division on order status
• Update customers on order fulfilment and delivery
• Verify customers’ billing names
• Verify Payments Received

Sales Support

• Provide customer service
• Make arrangement for showroom visits and product training
• Perform showroom duties and assist in slab markings
• Prepare and replenish collateral like samples and catalogues
• Handle ad hoc duties assigned

Job Responsibilities including but not limited to:

• Clerical duties and general administrative support
• Attend to phone calls, queries and emails
• Develop and maintain filing system
• Preparation of legal documents (training will be provided)
• Carry out simple payments, invoicing and receipts functions
• Archival of both digital and hard-copy documents

Requirements:

• Proficient in Microsoft Office and Outlook
• Organized and detail-oriented
• Strong customer service and communication skills.