AI Prompt Engineer LLM Design & Optimization (Hybrid)
$61.1k - $122.2kCACI International
CACI International Inc. is seeking an AI Prompt Engineer for its team in Ashburn, VA. The role involves designing, testing, and optimizing prompts for Large Language Models (LLMs) with a focus on innovation in AI technology. Candidates should have a Bachelor's degree in Computer Science and 0-3 years of software development experience. The position offers hybrid working conditions and a salary range of $61,100 - $122,200 with comprehensive benefits, including healthcare and flexible time off. #J-18808-Ljbffr
Vacancy posted 5 hours ago
Similar jobs that could be interesting for youBased on the AI Prompt Engineer LLM Design & Optimization (Hybrid) in Ashburn, VA vacancy
$61.1k - $122.2k
...AI Prompt Engineer CACI is currently looking for an AI Prompt Engineer to join our... ...pivotal role will be responsible for designing, testing, and optimizing prompts for Large Language Models... ...function calling) ~ Willing to work a hybrid schedule with onsite requirements...SuggestedContract workWork experience placementInternshipFlexible hourslatitude
Ashburn, VA1 day ago$100k - $180k
...Senior AI Applications Engineer Cloud/Infrastructure remote May 11, 2026 Agentic AI & LLM Applications Engineer Remote Public... ...Responsibilities Design and build core agentic... ..., including prompt construction, context... ...regression testing Optimize token economics for...SuggestedTemporary workRemote workBlu Omega LLC
Ashburn, VA6 hours ago- ...A technology company in Ashburn, VA, is seeking an AI/ML Engineer to design and deploy advanced AI/ML solutions for federal clients. This full-time hybrid position requires a strong foundation in machine learning and data engineering, with a commitment to ethical AI practices...SuggestedFull timeRemote work
NiyamIT Inc.
Ashburn, VA1 day ago - ...modern, agile methods to design and develop equitable,... ...developing and optimizing solutions using Python... ...highly skilled Generative AI Engineer to design, develop, and... ..., build, and deploy LLM-powered applications and... ...Engineer and optimize prompt orchestration, agentic...SuggestedLocal area
Amivero
Reston, VA2 days ago - ...responsibility. The Senior AI Integration Engineer plays a central... ...agentic design concepts and... ...workflow delivery. Optimization: Monitor,... ...evaluating AI outputs, prompt behavior,... ...Experience building LLM-based applications... ...choices make up a true Hybrid Cloud Solution...Suggested
Light Edge
Ashburn, VA1 day ago $100k - $150k
...AI Software Engineer – Cloud/Infrastructure Remote – May 11, 2026 Agentic AI & LLM Platforms Engineer Remote Public Trust Eligible Blu Omega... ...logic, including prompt construction, context management... ...structures, APIs, and software design patterns Experience with cloud...Temporary workRemote workBlu Omega LLC
Ashburn, VA6 hours ago- ...seeking a highly skilled AI/ML Full Stack Developer to design, develop, and deploy... ...and backend engineering with Generative AI,... ...patterns • Design, optimize, and execute complex... ...Augmented Generation (LLM Applications) • Build... .... • Optimize prompts, system instructions...Work experience placement
Smart Synergies
Reston, VA2 days ago $99k - $225k
...Job Number: R0239413 AI Engineer The Opportunity:... ...deploying, and maintaining LLM-powered systems and... ...implementing advanced prompting strategies, LangChain... ...performance, continuously optimizing for latency,... ...customer facility. Hybrid : If this position is...Full timeContract workPart timeWork at officeLocal areaRemote workBooz Allen Hamilton
Reston, VA3 days ago- ...Reston, VA, where you'll develop and optimize machine learning models and AI applications. Your expertise in... ...model performance. We seek a hands-on engineer with strong analytical skills,... ...tools and big data technologies. This hybrid position involves 3 days on-site work...
Polarits
Reston, VA5 hours ago - ...highly skilled and motivated AI/ML Engineer to join client's team and drive the development and optimization of AI solutions. This role... ...business stakeholders to design, build, and refine intelligent... ...translate them into ML models and prompt-based solutions. Design,...
TriOptus LLC
Reston, VA4 days ago - ...looking for a GenAI / Agentic Engineer to design, build, and deploy LLM-powered applications on... ...#W2 Role Job Title: Gen AI / Agentic Engineer... ...encryption, PII handling, and prompt‑injection defenses.... ...citations Hands‑on with RAG optimization: hybrid retrieval, metadata...Contract workRemote work
Interon IT Solutions
Chantilly, Loudoun County, VA1 day ago - ...solutions, and AI-enabled enterprise... ...Principal AI Engineer provides strategic... ...Solution Design and Implementation... ...train, deploy and optimize machine learning... ...plus, including prompt engineering, fine... ...Implement efficient LLM serving and... .... Location: Hybrid - Sterling, VA HQ...Remote work
REI Systems
Sterling, VA2 days ago - ...looking for a skilled Cloud Architect to design and implement secure hybrid cloud infrastructures. The... ...with various cross-functional teams to optimize deployment practices. The role demands extensive experience in cloud engineering and infrastructure, strong skills in...
Gc2it
Reston, VA6 hours ago - ...7+ Years Overall | 3+ Years in Generative AI / LLMs Position Overview We are seeking a Large Language Model (LLM) AI Engineer to design, fine-tune, evaluate, and integrate generative... ...AI architectures, vector databases, prompt engineering, and AI governance. Key Responsibilities...
Oran
Herndon, VA6 hours ago $108.3k - $154.3k
...Enterprise AI Platform Engineer CGI is seeking an experienced... ..., integration, optimization, and governance of AI... ...Large Language Model (LLM) ecosystems deployed... ...or Knoxville, TN. A hybrid working model is acceptable... ...workflow automation, prompt optimization, and enterprise...CGI
Reston, VA2 days ago- ...Senior/Lead AI Engineer We're seeking a versatile Senior... ...stack. You'll work on LLM integration, RAG pipelines... ...: Integrate and optimize LLMs (Azure OpenAI,... ...and build orchestration, prompts, and guardrails Build... ...~ Strong system design and problem-solving skills...
CloudQuest Solutions Inc
Ashburn, VA1 day ago $86.5k - $142.7k
...on Solution Architect who designs, prototypes and builds modern, AI‑enabled applications and... ...‑of‑concept, and guiding engineering teams through complex technical... ..., configs, pipelines, prompts) to validate... ...team‑led and leader‑enabled hybrid model. Our expectation is...Summer holidayFlexible hoursErnst & Young Oman
Chantilly, Loudoun County, VA6 hours ago- ...is seeking a Linux Systems Network Engineer in Sterling, VA. This role supports the design and development of operational networks and allows hybrid flexibility of 2 to 3 days per week... ...AWS, and ensure network security and optimization. Ideal candidates will possess...2 days per week3 days per week
thejosefgroup.com
Sterling, VA5 hours ago $91k - $160.75k
...8-Jan-2026 Principal AI Applications Engineer US (Remote), US-Herndon... ...-focused on software design, development, innovation... ...Implement sophisticated prompt engineering and LLM integration solutions,... ...PostgreSQL including performance optimization, complex query...Temporary workRemote workDeltek
Herndon, VA5 days ago$76k - $134k
...Jan-2026 Senior AI Applications Engineer US (Remote), US-... ...-focused on software design, development, innovation... ...guidance Apply prompt engineering... ...testing, performance optimization, and proper monitoring... ...Generation), and optimizing LLM interactions Implementation...Temporary workRemote workDeltek
Herndon, VA3 days ago- ...Software Developer w/ DevOps / Machine Learning/ AI expertise- Hybrid onsite in Ashburn, VA Ellumen is a technology-focused company providing... ...manage the AWS cloud infrastructure deployments , ensuring optimal configuration, security, and performance whether in Cloud...Local area
Ellumen
Ashburn, VA1 day ago $140k - $170k
...The AI Software Engineer is responsible for building, integrating... ...role translates solution designs into production‑ready... ...fine‑tune AI models, prompts, and automation... ...solutions across cloud and hybrid environments (Azure, AWS... ...‑on experience with LLM APIs, prompt engineering...Casual workRemote workISI Enterprises
Reston, VA5 days ago$98.5k - $206.8k
...Job Title: AI Engineer Job Category: Information Technology... ...engineer to research, design and build Artificial... ...large language models to optimize their performance for... ...monitor, trace, and assess LLM application performance... ...o Experience with prompt engineering o Experience...Full timeContract workWork experience placementLocal areaImmediate startFlexible hoursCACI International
Reston, VA2 days ago- ...Agentic AI Engineer - AWS Professional Services Location... ...Work Type: Onsite / Hybrid Citizenship: U.... ...customer stakeholders to design, build, and deploy... ...Evaluate and improve LLM-driven workflows in operational... ...-based systems (RAG, prompt engineering, context...Local area
Strategic Business Systems
Chantilly, Loudoun County, VA3 days ago - ...Skills: ~7+ years of experience building production-level AI or ML systems , including LLMs, agents, or complex automation... ...~ Experience in resolving workflow problems through automation optimization ~ Experience in connecting Agents to APIs, Cloud platforms,...1 day per week
PALNAR
Reston, VA5 days ago - ...Oran Inc is looking for a Large Language Model (LLM) AI Engineer to spearhead the design and integration of generative AI solutions across healthcare and regulated environments. Candidates should have a minimum of 7 years of experience with significant exposure to generative...
Oran
Herndon, VA6 hours ago - .... Job Title: Senior AI Engineer - Generative AI / RAG... ...have hands-on experience designing scalable AI applications... .... Build and optimize data ingestion, embedding... ...~ Experience with LLM APIs, embeddings, semantic search, and prompt engineering. ~ Knowledge...
Ampcus
Chantilly, Loudoun County, VA3 days ago $154k - $236k
...Corporate AI Engineer Addison, TX (Hybrid); Bellevue, WA (Hybrid); Durham, NC (Hybrid... ...What You'll Do Design, build, and deploy AI-enabled... ...AI solutions, including prompt engineering, orchestration... ...performance tuning, and ongoing optimization. Partner with Security,...Full timeLive inWork at officeWorldwideFlexible hours3 days per weekTanium
Reston, VA3 days ago- ...Anika Systems, located in Leesburg, Virginia, is seeking an AI Engineer to design and deliver production AI systems for government clients and... ...years of experience in machine learning systems, particularly LLM and GenerativeAI solutions. Candidates should possess a bachelor...Remote work
Anika Systems
Leesburg, VA6 hours ago $124.3k - $198.6k
...seeking a highly skilled AI developer with deep... ...the forefront of designing, implementing, and optimizing AI-powered... .... This is a hybrid position. Expectation... ...architectures (symbolic, BDI, LLM-based) to design... ...understanding of prompt engineering concepts, LLM fine-...Work experience placementWork at officeLocal areaVisa
Ashburn, VA4 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to AI Prompt Engineer LLM Design & Optimization (Hybrid). Be the first to apply!
