{"id":3131006,"url":"https://alion.io/job/ncs-senior-llm-multimodal-ai-engineer","title":"Senior LLM / Multimodal AI Engineer","company":{"id":8907,"name":"NCS","domain":"ncs.co","url":"https://alion.io/company/ncs-co","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":83,"open_postings":363,"ghost_share":0.289,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-11-01T06:10:25Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":62000,"max_usd":136000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":28},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"AI Agents","optional":false},{"name":"Computer Vision","optional":false},{"name":"DeepSpeed","optional":false},{"name":"Embeddings","optional":false},{"name":"FAISS","optional":false},{"name":"Fine-tuning","optional":false},{"name":"Git","optional":false},{"name":"Hugging Face","optional":false},{"name":"Hybrid Search","optional":false},{"name":"Linux","optional":false},{"name":"LLaMA-Factory","optional":false},{"name":"LLaVA","optional":false},{"name":"LLM","optional":false},{"name":"LoRA","optional":false},{"name":"Machine Learning","optional":false},{"name":"Multimodal AI","optional":false},{"name":"NLP","optional":false},{"name":"OCR","optional":false},{"name":"ONNX Runtime","optional":false},{"name":"PEFT","optional":false},{"name":"Post-training","optional":false},{"name":"Pre-training","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Quantization","optional":false},{"name":"Qwen","optional":false},{"name":"RAG","optional":false},{"name":"SFT","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false},{"name":"Synthetic Data","optional":false},{"name":"TensorRT-LLM","optional":false},{"name":"Triton","optional":false},{"name":"vLLM","optional":false},{"name":"VLM","optional":false},{"name":"Amazon SageMaker","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"DPO","optional":true},{"name":"GRPO","optional":true},{"name":"Langfuse","optional":true},{"name":"MLFlow","optional":true},{"name":"Recommender Systems","optional":true},{"name":"Reinforcement Learning","optional":true},{"name":"RLHF","optional":true},{"name":"TensorRT","optional":true},{"name":"Transformers","optional":true},{"name":"Vertex AI","optional":true},{"name":"Weights & Biases","optional":true}],"status":"live","first_seen_at":"2026-10-23T02:40:38Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-11-01T13:05:07Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":9},"description":"NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI expertise across a range of Industries. Embracing a strong ecosystem of global partners, NCS transforms technology services delivery combining AI with digital resilience to drive real business impact. NCS is a subsidiary of the Singtel Group.\nJoin NCS as a Senior LLM / Multimodal AI Engineer and spearhead the development of next-generation foundation models and multimodal understanding systems. With 4+ years of hands-on experience, you will architect, train, evaluate, and deploy large-scale Vision-Language Models (VLMs) and Large Language Models (LLMs) that process billions of user-generated content (UGC) and advertising videos. You will transform cutting-edge research into industrial-scale recommendation and advertising systems that deliver measurable business impact.\nWhat will you do?\nData Curation & Multimodal Pre-Training\nArchitect and scale automated data pipelines that integrate video frames, images, OCR, ASR, and text for VLM pre-training and fine-tuning\nDrive LLM-assisted annotation workflows and synthetic data generation strategies to minimise manual labeling overhead\nEngineer robust data quality frameworks ensuring representative, accurate, and complete training datasets\nModel Training & Fine-Tuning\n Reproduce and optimise foundation model series (e.g., LLaVA, Qwen-VL family) for production environments\n Execute supervised fine-tuning (SFT) and post-training for domain-specific content ecosystems including gaming, movies, automotive, and commercial advertising\nImplement advanced training techniques including PEFT, LoRA, and quantization-aware training\nMultimodal RAG & Knowledge Bases\n Design and deploy hierarchical Retrieval-Augmented Generation (RAG) pipelines that enrich video understanding and enable in-context retrieval\n Build scalable vector search indexes (e.g., FAISS) supporting billions of embeddings\nOptimise retrieval strategies including hybrid search, re-ranking, and query expansion\nInference Optimization & Deployment\nOptimise large-scale VLM and LLM serving using vLLM, TensorRT-LLM, Triton, and ONNX Runtime\nImplement dynamic batching, feature caching, and asynchronous scheduling to maximise GPU throughput\nMonitor and tune production inference systems for latency, cost, and quality trade-offs\nEvaluation & Agent Workflows\nEstablish comprehensive online/offline evaluation benchmarks measuring generative quality, aesthetic completeness, and vertical task precision/recall\nContribute to intelligent tag platform agents and agentic workflow orchestration\nConduct continuous LLM-as-Judge evaluation on production traces\nAn Ideal Candidate Should Possess:\nExperience\n4+ years of hands-on experience in machine learning system development, with demonstrated focus on NLP, Computer Vision, LLMs, or Multimodal AI\nProven track record of independently driving end-to-end ML initiatives from research exploration to high-throughput production deployment\nCore Technical Skills\nDeep expertise in deep learning fundamentals, transformer architectures, and multimodal fusion techniques\nProficiency in deep learning frameworks: PyTorch, Hugging Face ecosystem, DeepSpeed, PEFT, LlamaFactory\nStrong programming capabilities in Python, SQL, Spark, and Linux/Git workflows\n Hands-on experience with vector search and retrieval infrastructure (FAISS, Multimodal RAG)\n Familiarity with LLM/VLM serving and quantization toolkits (vLLM, TensorRT-LLM, Triton)\nPreferred Qualifications\nIndustrial experience in large-scale recommender systems, advertising technology, or content moderation/understanding ecosystems\n Hands-on expertise with reinforcement learning from human feedback (RLHF) or preference optimization (e.g., DPO, GRPO)\n Published research or competitive achievements in top AI/ML venues or challenges (e.g., CVPR, NeurIPS, ICLR, Kaggle)\n Experience with cloud ML platforms (AWS SageMaker, Azure ML, Google Vertex AI)\n Knowledge of AI observability tools (Langfuse, Weights & Biases, MLflow)\nCollaborate with NCS\nAt NCS, you'll work alongside cross-functional teams including AI Solution Architects, Data Engineers, and Product specialists to deliver transformative multimodal AI solutions. Your expertise will directly enhance our Video Intelligence Platform and support AI innovation across Public Service, Defence and Homeland Security, Healthcare and Transport, and other key sectors.\nJoin us in building a better future where your foundation model expertise transforms how organisations understand and leverage video content at scale.\nWe are driven by our AEIOU beliefs-Adventure, Excellence, Integrity, Ownership, and Unity-and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.\nTogether, we make the extraordinary happen.\nLearn more about us at ncs.co and visit our LinkedIn career site.\nScam Alert\nWe are aware of fraudulent job offers and impersonations of NCS recruiters. Phishing emails using convincing-looking but fake addresses are also commonly used to trick you into thinking that they come from official NCS sources.\nPlease note that all official communications from NCS Group will only be sent from verified corporate email addresses. Always check that the sender’s email address ends with the genuine NCS domain, @ncs.com.sg/ @ncs.co and beware of extra letters, symbols or misspellings. When in doubt, verify the sender’s identity by contacting us at .","description_format":"text","description_chars":5663,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Managed Security","IT Consulting & Digital Transformation","Systems Integrators","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-10-23T03:36:52Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":9,"expected_fill_days":49,"reasons":["conf:1","velocity","win:early","comp:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/ncs-senior-llm-multimodal-ai-engineer","json_url":"https://alion.io/job/ncs-senior-llm-multimodal-ai-engineer.json","meta":{"generated_at":"2026-11-01T15:32:07Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":23859,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":8907},"rest":"https://alion.io/mcp/rest/get_company?id=8907"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fncs-senior-llm-multimodal-ai-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fncs-senior-llm-multimodal-ai-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fncs-senior-llm-multimodal-ai-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ncs-senior-llm-multimodal-ai-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fncs-senior-llm-multimodal-ai-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3131006}},{"tool":"search_jobs","arguments":{"company":"ncs.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3131006},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}