16+ Internship Letter Internship Certificate Program Indonesia 2026

Ms. Ayla Putri
Marketing Manager
PT. Digital Nusantara
Jl. Sudirman No. 123
Jakarta 10220

15 October 2025

Dear Ms. Putri,

I am writing to express my interest in the Marketing Internship position at PT. Digital Nusantara as part of the 2026 Indonesia Internship Certificate Program. With a strong academic background in marketing and a passion for digital strategies, I am eager to contribute to your team while gaining valuable industry experience.

Key highlights of my application:

• Proficiency in digital marketing tools such as Google Analytics and SEMrush
• Experience in managing social media campaigns for university events
• Strong analytical and communication skills

I am available to start from January 2026 and am committed to dedicating 20 hours per week. I have attached my resume for your review and look forward to the opportunity to discuss how I can contribute to your team.

Thank you for considering my application.

Sincerely,
Mr. Arman Wijaya

Mr. Arman Wijaya
Jl. Menteng No. 45
Jakarta 10310

20 October 2025

Dear Mr. Wijaya,

We are pleased to confirm your internship placement at PT. Digital Nusantara as part of the 2026 Indonesia Internship Certificate Program. We believe your skills and enthusiasm will be a great asset to our marketing team.

Internship Details:

• Duration: January 1, 2026 – June 30, 2026
• Hours: 20 hours per week
• Supervisor: Ms. Ayla Putri

Please confirm your acceptance by signing and returning the attached agreement by 30 October 2025. We look forward to welcoming you to our team.

Sincerely,
Ms. Ayla Putri
Marketing Manager

Dr. Budi Hartono
Head of Engineering
PT. Techno Solusi Indonesia
Jl. Raya Bogor No. 567
Bogor 16132

18 October 2025

Dear Dr. Hartono,

I am writing to express my interest in the Engineering Internship position at PT. Techno Solusi Indonesia as part of the 2026 Indonesia Internship Certificate Program. As a third-year mechanical engineering student, I am eager to apply my theoretical knowledge in a practical setting.

Key highlights of my application:

• Strong foundation in CAD design and mechanical systems
• Experience in leading university projects, including a renewable energy prototype
• Proficiency in AutoCAD and SolidWorks

I am available to start from January 2026 and am committed to dedicating 25 hours per week. I have attached my resume for your review and look forward to the opportunity to contribute to your team.

Thank you for considering my application.

Sincerely,
Ms. Lestari Wulandari

Mr. Adi Wibowo
HR Manager
PT. Mega Indonesia
Jl. Gatot Subroto No. 789
Surabaya 60234

10 July 2026

Dear Mr. Wibowo,

I am writing to formally request a completion certificate for my internship at PT. Mega Indonesia as part of the 2026 Indonesia Internship Certificate Program. My internship period was from January 1, 2026, to June 30, 2026.

During my time at PT. Mega Indonesia, I gained invaluable experience in supply chain management and contributed to several key projects, including the optimization of inventory processes. I would greatly appreciate it if the certificate could be issued at your earliest convenience, as it is required for my academic records.

Thank you for your attention to this matter. Please do not hesitate to contact me if you require any additional information.

Sincerely,
Ms. Rina Andini

Ms. Rina Andini
Jl. Kebon Jeruk No. 12
Surabaya 60234

25 October 2025

Dear Ms. Andini,

We are pleased to offer you the internship position in our Supply Chain Management department at PT. Mega Indonesia as part of the 2026 Indonesia Internship Certificate Program. We were impressed by your academic achievements and your enthusiasm during the interview.

Internship Details:

• Duration: January 1, 2026 – June 30, 2026
• Hours: 25 hours per week
• Supervisor: Mr. Adi Wibowo

Please confirm your acceptance by signing and returning the attached agreement by 30 October 2025. We look forward to welcoming you to our team and supporting your professional growth.

Sincerely,
Mr. Adi Wibowo
HR Manager

Ms. Lestari Wulandari
Jl. Menteng No. 45
Jakarta 10310

15 May 2026

Dear Ms. Wulandari,

Re: Termination of Internship

We regret to inform you that your internship at PT. Techno Solusi Indonesia will be terminated effective 31 May 2026. This decision has been made due to unforeseen business circumstances that require us to restructure our teams.

We appreciate the contributions you have made during your time with us, particularly in the development of our renewable energy projects. We will provide you with a completion certificate and a letter of recommendation to support your future endeavors.

Thank you for your understanding, and we wish you continued success in your career.

Sincerely,
Dr. Budi Hartono
Head of Engineering

Mr. Arman Wijaya
Jl. Sudirman No. 123
Jakarta 10220

20 June 2026

Dear Mr. Wijaya,

I am writing to request an extension of my internship at PT. Digital Nusantara. My current internship is set to end on 30 June 2026, but I would like to continue until 31 December 2026 to further develop my skills in digital marketing.

Reasons for Extension Request:

• Opportunity to lead a major digital campaign
• Desire to deepen my understanding of SEO strategies
• Commitment to contributing to the team’s long-term projects

I am available to discuss this request further and provide any additional information you may require. Thank you for considering my request.

Sincerely,
Ms. Ayla Putri

Ms. Rina Andini
Jl. Kebon Jeruk No. 12
Surabaya 60234

10 July 2026

Dear Ms. Andini,

Re: Reference Letter for Internship

I am writing to confirm that you successfully completed your internship at PT. Mega Indonesia from January 1, 2026, to June 30, 2026. During your time with us, you demonstrated exceptional skills in supply chain management and contributed significantly to our team.

Key Contributions:

• Optimization of inventory processes
• Development of a supply chain dashboard
• Active participation in team meetings and brainstorming sessions

We are confident that you will excel in your future endeavors and are happy to recommend you to any organization. Please feel free to contact us if you need further assistance.

Sincerely,
Mr. Adi Wibowo
HR Manager

Ms. Dewi Anggraeni
HR Manager
PT. Nusantara Sejahtera
Jl. HR. Rasuna Said No. 456
Jakarta 12940

12 October 2025

Dear Ms. Anggraeni,

I am writing to express my interest in the Human Resources Internship position at PT. Nusantara Sejahtera as part of the 2026 Indonesia Internship Certificate Program. With a strong interest in HR practices, I am eager to gain hands-on experience in recruitment, employee engagement, and talent development.

Key highlights of my application:

• Experience in organizing university career fairs
• Proficiency in HR software such as SAP SuccessFactors
• Strong interpersonal and communication skills

I am available to start from January 2026 and am committed to dedicating 20 hours per week. I have attached my resume for your review and look forward to the opportunity to contribute to your team.

Thank you for considering my application.

Sincerely,
Ms. Ayu Lestari

Mr. Arman Wijaya
Jl. Menteng No. 45
Jakarta 10310

15 July 2026

Dear Mr. Wijaya,

Re: Completion of Internship Program

We are pleased to confirm that you have successfully completed your internship at PT. Digital Nusantara as part of the 2026 Indonesia Internship Certificate Program. Your dedication and contributions to the marketing team have been commendable.

Please find attached your internship completion certificate. This certificate acknowledges your participation and the skills you have gained during your internship. We are confident that this experience will be invaluable to your future career.

Thank you for being an exemplary participant in the program. We wish you continued success in your academic and professional journey.

Sincerely,
Dr. Ida Suryani
Program Coordinator

Mr. Rudi Hartanto
IT Manager
PT. Tech Indonesia
Jl. Prof. Sudarto No. 678
Bandung 40123

20 October 2025

Dear Mr. Hartanto,

I am writing to express my interest in the IT Internship position at PT. Tech Indonesia as part of the 2026 Indonesia Internship Certificate Program. With a strong passion for technology and innovation, I am eager to contribute to your team while gaining hands-on experience in IT systems and network management.

Key highlights of my application:

• Proficiency in network configuration and troubleshooting
• Experience in managing university IT infrastructure
• Strong problem-solving and analytical skills

I am available to start from January 2026 and am committed to dedicating 25 hours per week. I have attached my resume for your review and look forward to the opportunity to discuss how I can contribute to your team.

Thank you for considering my application.

Sincerely,
Mr. Budi Wijaya

Ms. Ayu Lestari
Jl. Kebon Jeruk No. 12
Surabaya 60234

25 October 2025

Dear Ms. Lestari,

We are pleased to offer you the Finance Internship position at PT. Nusantara Sejahtera as part of the 2026 Indonesia Internship Certificate Program. We were impressed by your academic achievements and your enthusiasm during the interview.

Internship Details:

• Duration: January 1, 2026 – June 30, 2026
• Hours: 20 hours per week
• Supervisor: Ms. Dewi Anggraeni

Please confirm your acceptance by signing and returning the attached agreement by 30 October 2025. We look forward to welcoming you to our team and supporting your professional growth.

Sincerely,
Ms. Dewi Anggraeni
HR Manager

Mr. Budi Wijaya
Jl. Prof. Sudarto No. 678
Bandung 40123

10 July 2026

Dear Mr. Wijaya,

Re: Internship Evaluation Report

I am writing to request an evaluation report for my internship at PT. Tech Indonesia as part of the 2026 Indonesia Internship Certificate Program. This report is required for my university records and will be used to assess my performance during the internship period.

Please include the following details in the report:

• Internship duration and hours
• Key responsibilities and contributions
• Skills and knowledge gained
• Overall assessment of my performance

I would appreciate it if the report could be issued by 15 July 2026. Thank you for your assistance.

Sincerely,
Mr. Rudi Hartanto

Dr. Ida Suryani
Program Coordinator
Indonesia Internship Certificate Program
Jl. Sudirman No. 456
Jakarta 10220

15 July 2026

Dear Dr. Suryani,

Re: Feedback on Internship Program

I am writing to provide feedback on my experience in the 2026 Indonesia Internship Certificate Program. Overall, the program was well-organized and provided me with invaluable industry experience.

Key Strengths of the Program:

• Relevant internship placements
• Supportive program coordinators
• Opportunity to network with professionals

Suggestions for Improvement:

• Provide more workshops on professional development
• Offer additional networking events
• Increase the duration of the internship

Thank you for your efforts in making this program a success. I look forward to seeing the program grow and benefit more students in the future.

Sincerely,
Ms. Ayu Lestari

Dr. Sri Wahyuni
Environmental Manager
PT. Green Indonesia
Jl. Bumi No. 789
Bali 80345

22 October 2025

Dear Dr. Wahyuni,

I am writing to express my interest in the Environmental Internship position at PT. Green Indonesia as part of the 2026 Indonesia Internship Certificate Program. With a strong passion for environmental conservation, I am eager to contribute to your team while gaining hands-on experience in sustainability initiatives.

Key highlights of my application:

• Experience in leading environmental awareness campaigns
• Proficiency in environmental impact assessment tools
• Strong commitment to sustainable development

I am available to start from January 2026 and am committed to dedicating 25 hours per week. I have attached my resume for your review and look forward to the opportunity to discuss how I can contribute to your team.

Thank you for considering my application.

Sincerely,
Ms. Lestari Wulandari

Ms. Ayu Lestari
Jl. Kebon Jeruk No. 12
Surabaya 60234

15 July 2026

Dear Ms. Lestari,

Re: Internship Completion Certificate

We are pleased to confirm that you have successfully completed your internship at PT. Nusantara Sejahtera as part of the 2026 Indonesia Internship Certificate Program. Your dedication and contributions to the human resources team have been commendable.

Please find attached your internship completion certificate. This certificate acknowledges your participation and the skills you have gained during your internship. We are confident that this experience will be invaluable to your future career.

Thank you for being an exemplary participant in the program. We wish you continued success in your academic and professional journey.

Sincerely,
Ms. Dewi Anggraeni
HR Manager