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Prompt Engineering Internship Jobs in Washington, DC

Moonfire

AI Prompt Engineer

Ashburn, VA · On-site

$61 - $122/hr

Stay abreast of the latest advancements in LLMs, generative AI, and prompt engineering techniques ... experience, internships, or relevant academic project work. * 1+ year of hands-on experience ...

CACI

AI Prompt Engineer

Ashburn, VA · Hybrid

Stay abreast of the latest advancements in LLMs, generative AI, and prompt engineering techniques ... internships, or relevant academic project work. 1+ year of hands-on experience working with Large ...

CACI

AI Prompt Engineer

Ashburn, VA · Hybrid

Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... internships, or relevant academic project work. 1+ year of hands-on experience working with Large ...

CACI

AI Prompt Engineer

Ashburn, VA · Hybrid

Stay abreast of the latest advancements in LLMs, generative AI, and prompt engineering techniques ... internships, or relevant academic project work. 1+ year of hands-on experience working with Large ...

CBC

AI Agents Developer - Interns ( Part time )

Reston, VA · On-site

$20 - $26.25/hr

AI Agents Developer I Interns Only. 📍 Location: Reston (Onsite/Hybrid) About the Role: We are ... Develop and optimize prompt engineering strategies * Work with vector databases and retrieval ...

New

Vibehackers

Campus - Technology Program Intern

Reston, VA · On-site

$118.47/hr

Explicitly mentions vibe coding and prompt engineering and references agentic AI development and AI productivity tools like Microsoft Copilot. About the Role A 10-week Technology Program Internship ...

A-TEK Inc.

Federal AI Solutions Engineer

Mclean, VA · On-site

$85K - $105K/yr

... internships, certifications, or projects. * Familiarity with: * REST APIs * Git version control * Containerization concepts * Data pipelines and databases * Understanding of prompt engineering, RAG ...

A-Tek

Federal AI Solutions Engineer

Mclean, VA · Hybrid

... internships, certifications, or projects. * Familiarity with: * REST APIs * Git version control * Containerization concepts * Data pipelines and databases * Understanding of prompt engineering, RAG ...

A-Tek

Federal AI Solutions Engineer

Mclean, VA · Hybrid

... internships, certifications, or projects. * Familiarity with: * REST APIs * Git version control * Containerization concepts * Data pipelines and databases * Understanding of prompt engineering, RAG ...

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Prompt Engineering Internship information

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How much do prompt engineering internship jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for prompt engineering internship in Washington, DC is $21.88, according to ZipRecruiter salary data. Most workers in this role earn between $18.22 and $23.70 per hour, depending on experience, location, and employer.

What is a prompt engineering internship?

A Prompt Engineering Internship is a role where interns learn to design, refine, and optimize prompts for AI models to generate accurate and useful responses. Interns work closely with developers, researchers, and data scientists to test and improve AI outputs. The position often involves experimenting with different prompt structures, analyzing results, and helping enhance AI capabilities. This internship is ideal for those interested in AI, natural language processing, and machine learning applications.

What kinds of projects or responsibilities can I expect during a prompt engineering internship?

As a Prompt Engineering Intern, you will typically work on developing, testing, and optimizing prompts for large language models to improve response quality and accuracy. Your daily tasks may include collaborating with engineers, data scientists, and product teams to understand project goals, conducting experiments to evaluate prompt effectiveness, and documenting findings or best practices. You may also be involved in researching emerging trends in AI and suggesting improvements based on real-world feedback. This role offers a dynamic environment with opportunities to contribute to cutting-edge applications and strengthen your technical and communication skills in a collaborative team setting.

What are the key skills and qualifications needed to thrive in a prompt engineering internship?

To thrive as a Prompt Engineering Intern, you need a strong background in language modeling, natural language processing (NLP), and analytical thinking, often supported by coursework or experience in computer science or related fields. Familiarity with tools like Python, machine learning libraries (such as TensorFlow or PyTorch), and platforms that host large language models (like OpenAI API) is helpful. Excellent communication, problem-solving abilities, and creativity are valuable soft skills for crafting effective prompts and collaborating within teams. These skills ensure that prompts are precise and effective, enabling high-quality outputs from AI systems and driving innovation in conversational AI applications.

Are prompt engineering interns still in demand?

Prompt engineering interns are increasingly in demand as organizations seek to develop and optimize AI language models. Skills in natural language processing, machine learning, and familiarity with AI tools like GPT are valuable for these roles, which are often part of broader AI and data science teams.

What are the most commonly searched types of Prompt Engineering jobs in Washington, DC?

The most popular types of Prompt Engineering jobs in Washington, DC are:

What are popular job titles related to Prompt Engineering Internship jobs in Washington, DC?

For Prompt Engineering Internship jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Prompt Engineering Internship jobs in Washington, DC look for?

The top searched job categories for Prompt Engineering Internship jobs in Washington, DC are:

Prompt Engineering Internship jobs near you
Infographic showing various Prompt Engineering Internship job openings in Washington, DC as of August 2026, with employment types broken down into 89% Full Time, 6% Part Time, 4% Contract, and 1% Nights. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $45,501 per year, or $21.9 per hour.

AI Prompt Engineer

CACI International, Inc.

Ashburn, VA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 5 days ago

Job description

Job Title: AI Prompt Engineer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
The Opportunity:
CACI is currently looking for a AI Prompt Engineer to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting Customs and Border Control (CBP) client located in Northern Virginia! Join this passionate team of industry-leading individuals supporting the best practices in Agile Software Development for the Department of Homeland Security (DHS).
As a member of the BEAGLE ASF Team, you will support the men and women charged with safeguarding the American people and enhancing the Nation's safety, security, and prosperity. CBP agents and officers are on the front lines, every day, protecting our national security by combining customs, immigration, border security, and agricultural protection into one coordinated and supportive activity.
ASF programs thrive in a culture of innovation and are constantly seeking individuals who can bring creative ideas to solve complex problems, both technical and procedural at the team and portfolio levels.
More about this role:
We are seeking a highly creative, technically proficient, and detail-oriented Prompt Engineer to join our growing AI team. This pivotal role will be responsible for designing, testing, and optimizing prompts for Large Language Models (LLMs) to achieve high-quality, and reliable outputs for various use cases. You will be instrumental in translating complex requirements into effective AI interactions.
This role is ideal for someone who thrives on experimentation, understands how LLMs interpret language, and is passionate about unlocking the full potential of generative AI.
You will excel at developing innovative software solutions as part of a technically diverse and geographically disbursed team. A strong passion for AI technologies and experience with agile delivery and deploying software in short sprints.
Responsibilities:
  • Prompt Design & Optimization: Develop, refine, and iterate on prompts for various generative AI models (LLMs) to elicit desired behaviors, responses, and creative outputs.
  • Iterative Testing & Analysis: Conduct testing to compare prompt variations, analyze results drive continuous improvement.
  • Collaboration: Work closely with multiple groups to integrate prompts to streamline manual processes.
  • Research & Development: Stay abreast of the latest advancements in LLMs, generative AI, and prompt engineering techniques.
  • Fine-tuning & RAG Support: Provide input and collaborate on strategies for model fine-tuning and Retrieval Augmented Generation (RAG) to further improve accuracy.
  • Problem Solving: Debug unexpected model behaviors, identifying root causes within prompt structure, model limitations, or data context.

Qualifications:
Required
  • Must be a U.S. Citizen with the ability to pass CBP background investigation, criteria include, but not limited to:
    • 3-year check for felony convictions
    • 1 year check for illegal drug use
    • 1 year check for misconduct such as theft or fraud
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field (equivalent experience may be considered in lieu of degree).
  • Must be available to work a hybrid schedule with onsite requirements in Ashburn, VA
  • 0-3 years of professional software development experience, internships, or relevant academic project work.
  • 1+ year of hands-on experience working with Large Language Models (e.g., OpenAI GPT series, Llama, Gemini) or other generative AI models.
  • Experience with at least one programming language (Python, JavaScript/TypeScript)
  • Familiarity with prompt engineering techniques (few-shot, chain-of-thought, structured outputs, function calling)

Desired:
  • Problem-solving skills, with a data-driven approach to experimentation and optimization.
  • Witten and verbal communication skills, with an ability to articulate complex technical concepts clearly.
  • Ability to work independently and collaboratively in a fast-paced, evolving environment.
  • Exposure to RAG concepts, including embeddings and vector databases
  • Understanding of AI safety considerations (e.g., prompt injection, bias, data privacy)
  • Exposure to Agile/Scrum development environments

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$66,700 - $133,300
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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