Sales & Office Administration

PT Southern Tristar; Jakarta Selatan; On-site; IDR 78,120,000 - 122,760,000; Full time

Job summary

PT Southern Tristar is seeking a motivated Sales & Office Administration professional to join our team in South Jakarta. You will manage customer communications, process sales orders, prepare quotations and tender documents, and maintain accurate customer records.

You will collaborate with Sales, Production, SCM, and Finance to ensure smooth operations, monitor the sales pipeline, and support achievement of business targets in a fast-paced environment.

Qualifications

• Diploma (D3) or Bachelor's Degree (S1) in any discipline with a minimum GPA of 3.00.
• Minimum 2 years of experience in Sales Administration or Office Administration.
• Experience in preparing quotations and handling sales orders.
• Good verbal and written communication in English and Bahasa Indonesia.
• Proficient in MS Office applications (Excel/Word/PowerPoint).

Responsibilities

• Handle customer inquiries via email, phone, and other channels.
• Process and monitor customer orders and related sales documentation.
• Prepare quotations, tender documents, proposals, and follow up as needed.
• Provide administrative support to the Sales team and coordinate with internal departments.
• Maintain customer databases and sales records; monitor pipeline progress.
• Prepare monthly sales reports and assist in sales performance analysis.

Skills

Administrative skills

Communication skills

MS Office

English & Bahasa Indonesia

Teamwork

Education

Diploma or Bachelor's degree

GPA 3.0+

Tools

Microsoft Excel

Microsoft Word

PowerPoint

Job description

PT Southern Tristar | South Jakarta, Indonesia | Full-Time

About the Role

PT Southern Tristar is seeking a motivated, detail-oriented, and well-organized professional to join our team as a Sales & Office Administration professional based in South Jakarta.

This role plays an important part in supporting the company's sales operations and ensuring the smooth running of daily office administration activities. The successful candidate will be responsible for managing customer communications, processing sales orders, preparing quotations and tender documents, maintaining customer records, and coordinating with internal departments to ensure efficient business operations and customer satisfaction.

We are looking for someone with strong administrative and communication skills, a proactive working attitude, and the ability to manage multiple responsibilities effectively in a dynamic business environment.

Key Responsibilities

Handle customer inquiries and communications through email, telephone, and other communication channels regarding products, quotations, orders, and deliveries.

Receive, process, and monitor customer orders, ensuring the accuracy of order details and related sales documentation.

Prepare and follow up on quotations, tender documents, proposals, and other sales-related documentation.

Provide administrative support to the Sales team to ensure smooth sales operations and support the achievement of business targets.

Coordinate with relevant internal departments, including Sales, Production, SCM, and Finance, to ensure customer requirements, order processing, and deliveries are handled efficiently.

Maintain and regularly update customer databases, sales records, and transaction documentation.

Monitor quotation follow-ups, customer orders, and sales pipeline progress.

Prepare monthly sales reports and assist in analyzing sales performance, trends, and results.

Assist with invoice administration, business correspondence, filing, and document management.

Handle general office administration, including scheduling, correspondence, expense tracking, and other office operational requirements.

Assist in managing and monitoring company licensing and permit documentation as required.

Communicate customer feedback, complaints, and requirements to relevant departments to support service improvement.

Maintain up-to-date knowledge of company products, specifications, and product developments to provide effective sales support.

Perform other administrative and operational duties as assigned by the supervisor or management.

Qualifications & Experience

Diploma (D3) or Bachelor's Degree (S1) in any discipline, with a minimum GPA of 3.00.

Minimum 2 years of working experience in Sales Administration, Office Administration, or a related administrative role. Experience in the Oil & Gas, Mining, or Manufacturing industries will be an advantage.

Experience in preparing quotations, handling tender documentation, processing sales orders, and following up with customers.

Good verbal and written communication skills in both English and Bahasa Indonesia.

Ability to handle professional business correspondence in English and Bahasa Indonesia.

Proficient in Microsoft Office applications, particularly Microsoft Excel, Word, and PowerPoint.

Good administrative, filing, database management, and documentation skills.

Strong analytical, problem-solving, and attention-to-detail capabilities.

Excellent organizational and time management skills, with the ability to prioritize multiple tasks effectively.

Good interpersonal and communication skills, with the ability to build professional relationships with customers and colleagues.

Ability to work independently and collaboratively within a team in a fast-paced working environment.

Proactive, responsible, trustworthy, and willing to learn new skills.

Professional appearance, positive attitude, and strong commitment to work.

About Us

PT Southern Tristar is a manufacturing company specializing in Bolts and Nuts, Cable Support Systems, and Cathodic Protection Systems.

Tri-Star Group of Companies is a leading global manufacturer and supplier of best-in-class Bolts and Nuts, Cable Support Systems, Cathodic Protection Systems, and Hydraulic Bolt Tensioning and Torquing Tools and Services to the worldwide Energy and Infrastructure sectors.

We are committed to delivering high-quality products and services while maintaining the highest standards of professionalism, integrity, innovation, and customer satisfaction.

The Tri-Star Industries Group started business in the late 1970's, trading and manufacturing bolts and nuts. The Group has since grown to manufacture fluoropolymer coated bolts and nuts, cable support and management system and cathodic protection products & services for the Oil, Gas, Power, Petrochemical and Marine Industries in Asia and other parts of the world. The Group has six manufacturing sites and nine sales offices in Malaysia , Singapore , Indonesia and Thailand . It has sole agencies and distributors in the rest of Asia & Middle East including Grephil International Ltd which were servicing to the Oil, Gas, Petrochemical, Power and Marine Industries in the categories of Consultancy, Engineering and Procurement Services. The Group practises high quality standards and has been the first in it's industry to be certified to ISO 9001 with structured organisations in all its companies.

The Tri-Star Industries Group started business in the late 1970's, trading and manufacturing bolts and nuts. The Group has since grown to manufacture fluoropolymer coated bolts and nuts, cable support and management system and cathodic protection products & services for the Oil, Gas, Power, Petrochemical and Marine Industries in Asia and other parts of the world. The Group has six manufacturing sites and nine sales offices in Malaysia , Singapore , Indonesia and Thailand . It has sole agencies and distributors in the rest of Asia & Middle East including Grephil International Ltd which were servicing to the Oil, Gas, Petrochemical, Power and Marine Industries in the categories of Consultancy, Engineering and Procurement Services. The Group practises high quality standards and has been the first in it's industry to be certified to ISO 9001 with structured organisations in all its companies.