Prompt Engineer
Greenwood Village, CO
Category: Data
Industry: Communications
Reference ID: JN -032026-105953
Date Posted: 03/12/2026
Shortcut: http://careers.eliassen.com/3wU4Qw
Description:
Hybrid 4 onsite / 1 work from home in Greenwood Village, CO
Our client seeks a Prompt Engineer to design, optimize, and maintain prompts that enable agentic AI assistants to reason, plan, and take actions across tools and workflows. The role focuses on multi‑step reasoning, tool usage, and orchestration frameworks while partnering closely with engineering and product teams. You will evaluate agent performance, mitigate failure modes, and document reusable patterns to improve autonomy, accuracy, and efficiency. The work will support enterprise assistants and integrations across systems and APIs.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $65.00 to $75.00/hr. w2
Responsibilities:
- Design and refine prompts that enable agentic behaviors such as task decomposition, planning, tool usage, and decision‑making.
- Track comments and user sentiments of agentic tools.
- Develop prompt strategies for multi‑step, goal‑oriented AI assistants operating across systems and APIs.
- Partner with AI/ML engineers and product teams to define agent roles, constraints, memory, and guardrails.
- Optimize prompts for agent orchestration frameworks including tool calling, function execution, and state management.
- Evaluate agent performance, identify failure modes such as loops, hallucinations, and incorrect actions, and implement mitigations.
- Support retrieval‑augmented generation to ground agent decisions in trusted data sources.
- Conduct experimentation and A/B testing to improve agent accuracy, autonomy, and efficiency.
- Document reusable agent prompt patterns, workflows, and best practices.
- Collaborate on production deployments while balancing autonomy, cost, latency, and reliability.
Experience Requirements:
- 4-5+ years of experience in data science, ML engineering, software engineering, or applied AI.
- Hands‑on experience with large language models and prompt engineering techniques.
- Experience designing prompts for multi‑step reasoning, planning, and tool‑using agents.
- Strong Python skills for experimentation, evaluation, and integration.
- Familiarity with LLM APIs and agent frameworks.
- Ability to analyze agent outputs and improve behavior through prompt‑level controls.
- Strong communication and documentation skills.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above