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Ai Prompt Engineer Jobs in Reston, VA (NOW HIRING)

Appian Corporation

AI Prompt Engineer

Mclean, VA · On-site

We are seeking an AI Prompt Engineer to be the builder behind our "AI-First" transformation. You will be part of the Business Technology AI Engineering team, building production-grade AI solutions ...

Appian Corporation

AI Prompt Engineer

Mclean, VA · On-site

$225K/yr

We are seeking an AI Prompt Engineer to be the builder behind our "AI-First" transformation. You will be part of the Business Technology AI Engineering team, building production-grade AI solutions ...

Appian Corporation

AI Prompt Engineer

Mclean, VA · On-site

$100K - $225K/yr

We are seeking an AI Prompt Engineer to be the builder behind our "AI-First" transformation. You will be part of the Business Technology AI Engineering team, building production-grade AI solutions ...

Ignite IT

Jr. AI Prompt Engineer

Ashburn, VA

Ignite IT is seeking a Junior AI Prompt Engineer to support U.S. Customs and Border Protection (CBP). In this role, you will work directly with stakeholders to identify opportunities for AI adoption ...

Ignite IT

Jr. AI Prompt Engineer

Ashburn, VA · On-site +1

Ignite IT is seeking a Junior AI Prompt Engineer to support U.S. Customs and Border Protection (CBP). In this role, you will work directly with stakeholders to identify opportunities for AI adoption ...

Ignite IT

Jr. AI Prompt Engineer

Ashburn, VA · Remote

Ignite IT is seeking a Junior AI Prompt Engineer to support U.S. Customs and Border Protection (CBP). In this role, you will work directly with stakeholders to identify opportunities for AI adoption ...

Steampunk

Prompt Engineer

Mclean, VA · On-site

$115K - $140K/yr

The Prompt Engineer will work closely with AI Developers, LLMOps Engineers, Evaluation Scientists, and product/design teams to craft prompts, structure context, improve retrieval strategies, and ...

Cherry Bekaert

AI Prompt and Skills Engineer

Rockville, MD

$73K - $94K/yr

As AI Prompt and Skills Engineer, you will: * Writes, tests and refines prompts across Tax, Assurance, Advisory and Wealth Management use cases, following the architectural standards and prompt ...

Steampunk

Prompt Engineer

Mclean, VA · On-site

$115K - $140K/yr

The Prompt Engineer will work closely with AI Developers, LLMOps Engineers, Evaluation Scientists, and product/design teams to craft prompts, structure context, improve retrieval strategies, and ...

Steampunk

Prompt Engineer

Mclean, VA · On-site

$115K - $140K/yr

The Prompt Engineer will work closely with AI Developers, LLMOps Engineers, Evaluation Scientists, and product/design teams to craft prompts, structure context, improve retrieval strategies, and ...

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All JobsAi Prompt Engineer JobsAi Prompt Engineer Jobs in Reston, VA

Ai Prompt Engineer information

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$26

$55

$79

How much do ai prompt engineer jobs pay per hour?

As of Jul 13, 2026, the average hourly pay for ai prompt engineer in Reston, VA is $55.90, according to ZipRecruiter salary data. Most workers in this role earn between $45.10 and $64.90 per hour, depending on experience, location, and employer.

What is the job of an AI prompt engineer?

An AI prompt engineer designs and optimizes prompts to improve the performance of AI language models. They analyze model responses, experiment with prompt structures, and use tools like GPT to ensure accurate and relevant outputs, often requiring skills in programming, linguistics, and AI concepts.

How do I become an AI prompt engineer?

To become an AI prompt engineer, develop strong skills in natural language processing, machine learning, and programming languages like Python. Gain experience with AI models such as GPT and learn to craft effective prompts through practice and understanding of model behavior. Relevant certifications, online courses, and familiarity with AI tools can also enhance your qualifications.

What is an AI Prompt Engineer job?

An AI Prompt Engineer designs, tests, and optimizes prompts to improve the performance of AI language models. They ensure that AI-generated responses align with desired outcomes by refining input prompts and analyzing model behavior. This role requires a mix of technical skills, creativity, and an understanding of natural language processing (NLP). Prompt engineers often collaborate with developers, data scientists, and product teams to enhance AI interactions.

How much do AI prompt engineers make?

AI prompt engineers typically earn between $70,000 and $130,000 annually, depending on experience, location, and industry. Senior roles or those with specialized skills in machine learning and natural language processing can command higher salaries. Many positions also offer benefits such as flexible schedules and opportunities for professional development.

Are AI prompt engineers in demand?

AI prompt engineers are increasingly in demand as organizations seek to optimize interactions with AI language models. The role requires skills in natural language processing, creativity, and familiarity with AI tools, and job growth is driven by expanding AI applications across industries.

What are the typical daily tasks of an AI Prompt Engineer?

As an AI Prompt Engineer, your day-to-day work often involves designing, testing, and refining prompts to improve the performance and accuracy of AI models for various applications. You'll frequently collaborate with data scientists, product managers, and software developers to understand requirements and integrate AI solutions effectively. Analyzing prompt outputs, troubleshooting issues, and documenting best practices are integral parts of the role. This position offers a dynamic and intellectually stimulating environment where continual learning and innovation are encouraged.

What are the key skills and qualifications needed to thrive in the Ai Prompt Engineer position, and why are they important?

To thrive as an AI Prompt Engineer, a solid background in natural language processing, programming (such as Python), and understanding of machine learning concepts is essential, typically supported by a degree in computer science or a related field. Experience with AI frameworks (like OpenAI's APIs), prompt engineering tools, and familiarity with cloud platforms are highly valued and may be supplemented by certifications in AI or data science. Strong analytical thinking, creativity, and excellent communication skills allow for designing effective prompts and collaborating with technical and non-technical stakeholders. These skills and qualities ensure the development of high-quality AI solutions that meet user needs and maximize the effectiveness of language models.

What are the most commonly searched types of Ai Prompt Engineer jobs in Reston, VA? The most popular types of Ai Prompt Engineer jobs in Reston, VA are:
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Ai Prompt Engineer jobs near you
Infographic showing various Ai Prompt Engineer job openings in Reston, VA as of July 2026, with employment types broken down into 85% Full Time, 5% Part Time, and 10% Contract. Highlights an 80% In-person, and 20% Remote job distribution, with an average salary of $116,268 per year, or $55.9 per hour.
AI Prompt Engineer

AI Prompt Engineer

CACI International, Inc.

Ashburn, VA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 11 days ago

Job description

Job Title: AI Prompt Engineer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
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.
The Opportunity:
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).
  • 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)
  • Willing to work a hybrid schedule with onsite requirements in Ashburn, VA

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:
$61,100 - $122,200
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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