Senior AI Engineer (LLM)

Viettel Cyber Security One Member Limited Liability Company (VCS) focuses on the implementation, research, and in- depth development of information security products and solutions, while also providing cybersecurity (CS) products and services to large domestic and international organizations and enterprises.
Why You Should Join VCS:

Participate in high- impact, mission- critical projects, including the protection of government agencies, major banks, and national critical infrastructure. This is not about demos—you will build solutions capable of defending against APT threats and sophisticated cyberattacks.
You will be part of the early phase of the AI- first transformation in the cybersecurity domain—at VCS specifically and in Vietnam more broadly.
Work with real- world data and operate systems at scale, processing tens of billions of events per day.
VCS is a pioneering cybersecurity organization in Vietnam, leading the comprehensive adoption of GenAI and Agentic AI across security operations and information security services.

Job Description:
- Research and select appropriate ML, DL, and generative model algorithms tailored to specific problem statements.
- Study and optimize model parameters, techniques, and training strategies to solve real- world cybersecurity challenges at VCS using machine learning, deep learning, and generative AI models.
- Directly involved in designing data pipelines for collecting, cleaning, and standardizing training datasets, as well as pipelines for training machine learning (ML), deep learning (DL), and generative models (LLM), and deploying them into production (serving).

Requirements:
Technical Skills:

In- depth understanding of data structures and algorithms.
Understanding of IT infrastructure architecture (e.g., SQL, NoSQL, services, microservices, tensor, containerization, message queues) is a plus.
Experience working with big data platforms such as Hadoop, Spark, Notebooks is an advantage.
Strong programming skills (proficient in at least one programming language).
Experience in building training datasets for generative models and effectively applying reinforcement learning techniques in generative model training is a strong plus.
Minimum 5 years of experience in AI/ML, preferably with hands- on experience in training and optimizing ML, DL, and LLMs in large- scale projects.
Solid knowledge and practical experience in designing and implementing LLMOps environments within an organization.

Soft Skills:

Demonstrated ability to lead and mentor teams
Effective communicator capable of clearly explaining technical solutions to both technical and non- technical audiences
Strong system- thinking mindset, with the ability to solve complex product- oriented problems

Compensation & Benefits

Full statutory social insurance coverage (SI, HI, UI) as required by law
Comprehensive health and personal accident insurance provided by MIC, with coverage of up to VND 600 million per year
Annual salary review conducted every March
16 days of leave per year, including: 12 annual leave days in accordance with the Labor Law; 3 wellness/retreat days; Vietnam People’s Army Foundation Day (December 22nd)
Annual health check- ups
Competitive and attractive offer package, commensurate with your skills and experience
Monthly/Annual Outstanding Employee Awards: VND 2–10 million

Career Development Opportunities

100% of employees are granted access to Udemy E- learning accounts, enabling unlimited learning anytime, anywhere
Free participation in internal and external knowledge- sharing programs, technical seminars, and professional conferences led by top domestic and international experts
100% sponsorship for internationally recognized, role- specific professional certifications
Continuous investment in the latest and most up- to- date learning resources in cybersecurity from leading global vendors and prestigious academies

Working Environment

Dedicated on- site facilities for fitness and recreation, including a gym, billiards, PES, table tennis, café, and reading areas
Comfortable dress code that encourages confidence and personal expression
Special occasions and holidays: International Women’s Day (08/03), Vietnamese Women’s Day (20/10 – half- day off for female employees), Group Anniversary (01/06), and more
Flexible working hours (VCSers may choose one of the following time slots: 8:30–18:00 or 9:00–18:30)
Participation in a wide range of company events, such as: Quarterly teambuilding activities; Monthly birthday celebrations; Year- End Party; Company trips and vacations
Active employee clubs: Running, Badminton, Gaming, Foosball, Swimming, Book Club, and more

Cập nhật gần nhất lúc: 2026-01-09 03:00:04