The opportunity:
We are looking for a well-organized, proactive and detail-oriented Sales Administration & Marketing Communications professional to support the Business Unit Manager and the High Voltage business team.
This role combines sales administration, business reporting, marketing coordination and communication activities to ensure efficient business operations, accurate sales information and effective market communication.
The successful candidate will coordinate sales and business data, prepare management reports, support marketing campaigns and customer events, maintain business documentation, and facilitate communication across internal and external stakeholders.

How You will Make an Impact 
1. Sales Administration & Business Support
Provide administrative and operational support to the Business Unit Manager and the High Voltage business team.
Maintain and consolidate sales pipeline, opportunity, order intake, revenue forecast and business performance data.
Prepare regular sales reports, dashboards, meeting materials and management presentations.
Follow up with BD Manager, Sales & Tendering Leads and other stakeholders to ensure timely submission of sales updates and business information.
Maintain customer databases, sales records, business contact lists and relevant commercial documentation.
Coordinate internal meetings, prepare agendas and minutes, track action items and follow up on deadlines.
Support annual business planning, budget tracking and business review preparation.
Coordinate with Finance, Supply Chain, Project Management and other functions to obtain information required for business reporting.
Maintain accurate records and ensure proper document control and confidentiality.
2. Marketing & Communications
Coordinate and execute marketing and communication activities in alignment with the BU’s business strategy and corporate brand guidelines.
Develop and coordinate marketing materials, including product brochures, presentations, newsletters, customer communications and promotional content.
Support the preparation and publication of business-related content for approved communication channels, including LinkedIn and other digital platforms.
Coordinate with internal marketing teams, external agencies, designers and suppliers to deliver marketing materials on time.
Ensure consistency, accuracy and professionalism in all marketing and communication materials.
Coordinate product launches, customer seminars, technical conferences, exhibitions, trade shows and other marketing events.
Support the preparation of speeches, presentation materials, event agendas and customer invitations.
Collect market feedback, event results and marketing activity data to evaluate effectiveness and identify improvement opportunities.
Ensure compliance with corporate branding, communication policies and applicable approval procedures.
3. Customer Events & Stakeholder Engagement
Coordinate customer visits, business meetings, seminars, exhibitions and stakeholder engagement activities.
Manage event logistics, venue arrangements, invitations, registration, suppliers and post-event follow-up.
Coordinate with BD Manager and Sales & Tendering Leads to identify customer engagement opportunities and support business development activities.
Prepare customer-facing presentations and supporting materials in coordination with relevant technical and commercial teams.
Maintain event records, customer engagement lists and activity reports.
Ensure that customer gifts, hospitality and event arrangements comply with company policies and applicable customer requirements.
4. Management Reporting & Business Performance Tracking
Consolidate monthly and quarterly business performance information for the BU Manager.
Track key business indicators, including sales pipeline, order intake, revenue, forecast, marketing activities and customer engagement.
Prepare management dashboards and presentations highlighting business progress, key developments, outstanding actions and areas requiring attention.
Coordinate the collection and validation of data from relevant business owners.
Maintain an organized reporting calendar and ensure reports are submitted accurately and on time.
Support preparation for management reviews, regional meetings and business planning sessions.
5. Cross-Functional Coordination & Process Compliance
Act as a coordination point between the BU team and relevant internal functions for administrative, marketing and reporting matters.
Support the implementation of BU initiatives, internal communications and process improvement activities.
Ensure marketing materials, customer communications and external publications follow the required review and approval processes.
Maintain appropriate records of marketing expenditure, event budgets, purchase requests and supplier documentation.
Follow company policies, internal controls, procurement procedures and delegated approval authorities.
Handle confidential business information with discretion and professionalism.

Your Background 

  • Bachelor’s degree in Marketing, Business Administration, Communications or a related field.
  • Relevant experience in sales administration, marketing coordination, business support or communications.
  • Experience preparing management reports, presentations and business dashboards.
  • Proficiency in Microsoft Office, particularly Excel and PowerPoint.
  • Experience with CRM systems, ERP systems or business reporting tools is an advantage.
  • Good written and verbal communication skills in Thai and English.
  • Strong organizational skills, attention to detail and ability to manage multiple tasks simultaneously.
  • Good interpersonal skills and ability to coordinate with stakeholders across different functions.
  • Proactive, service-minded, reliable and able to work independently with minimal supervision.

More about us:

We offer, at Hitachi Energy Thailand, we offer a suite of employee benefits to complement our pay offering, supporting employees’ financial, physical and mental wellbeing:

  • 1 month of guaranteed bonus (Fix bonus) plus Performance Bonus. (Depending on employee’s performance result and Business performance).
  • 10 days annual leave (Service year 0-5), 15 days annual leave (Service year 6-10), flexible working policy, Flexibility working time.
  • Benefit according to local standards: Heath-care insurance benefits to employees and their dependents, annual health checkup, Provident Funds (employees can contribute up to 15%).
  • Growth possibility: Learning and development platform, career movement opportunity within organization.
  • Possibility to gain experience in international environment.

Please be advised that the benefits provided may differ depending on the employee’s country of hire.

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