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
Job Number #: JN -032026-105953
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.
Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (noreply@eliassen.com, 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.
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.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.
JOB ID: JN -032026-105953