CAREERS
Take your skills further,
where they truly matter.
At SUN, we respect what each employee wants to pursue.
Rather than simply being assigned tasks, we provide an environment where you can truly experience growth.
Open Positions
At SUN, we are continuously growing and looking for people to shape the future with us.
Find a role that matches your strengths and the challenges you want to take on.
About SUN
SUN is committed to building an environment where every engineer can achieve their full potential,
leveraging their technical expertise and experience.
Why Work at SUN
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01
An environment where you can turn what you want to do into reality
Regardless of your role, SUN respects each individual’s goals and provides options to help turn those ambitions into action.
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02
A supportive culture that encourages growth and open communication
Engineers receive support in both career development and technical growth, while sales team members are supported in areas such as client negotiations and strategy. We support challenges across the entire company.
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03
Diverse businesses that expand your career options
From joining in-house projects and directing web production to proposing new services as a sales professional, SUN offers multiple opportunities to take on new challenges.
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Benefits & Welfare
We are committed to creating a work environment where employees are valued and supported.
Benefits & Welfare -
SUN at a Glance
Gain insight into SUN through data.
Key figures visualize employees’ skills, work environment, and company culture, helping you understand the real SUN.SUN at a Glance
Apply Now
Please make the most of your experience and aspirations at SUN.
We look forward to your application.
Voices of Our Employees
We've gathered voices from employees working at SUN.
We introduce 'Employee Interviews' that convey the company culture, and 'Project Stories' from members involved in building the company.
System Engineer
From the Self-Defense Forces to the IT World : Every small effort built who I am today.
System EngineerY.N.
Sales
From Same Daily Routines to Creative IT Sales with Freedom
SalesA.Y.
System Engineer
Live by Your Own Skills!
How to Work at SUN: A Style That Fits Your Life Perfectly!
System EngineerD.K.
Our Project Story
Hear from engineers on the front lines as they share the stories behind their projects. From daily challenges and growth to moments of success achieved as a team, we bring you real, authentic experiences.
Project StoriesApply Now
Please make the most of your experience and aspirations at SUN.
We look forward to your application.
Application Requirements
We are currently listing open positions.
You’ll find a role where your experience and aspirations can thrive.
Experienced Professionals
System Engineer
(Web / Business Systems)
You will be responsible for driving the project forward while overseeing the entire development process, with a focus on the upstream phase—specifically, clarifying customer requirements and translating them into optimal designs and specifications.
Programmer
You will focus primarily on the implementation phase, building applications and systems from technical designs. Your mission will be to turn concepts into reality, shaping core functionalities while ensuring excellent product quality.
Project Manager / Project Leader
You will be responsible for management duties that lead projects to success, actively driving various areas such as project progress management, quality control, and team coordination.
Infrastructure Engineer
(Server / Network / Database / Cloud)
You will design, build, and check servers, networks, and cloud systems. You make a strong platform for all our IT services! Your mission is to keep our systems safe, fast, and always running perfectly.
Sales
You will listen to both clients and engineers. You will find the perfect project for each person. You will always talk with them and help them grow together. Your job is making everyone happy through tech.
Graduate recruitment
Apply Now
Please make the most of your experience and aspirations at SUN.
We look forward to your application.










