Senior AI Prompt Engineer

MCI; United States; On-site; USD 100,000 - 145,000; Full time

Job summary

MCI is seeking a Senior AI Prompt Engineer to enhance AI performance through effective prompt design and management. In this role, you will work on improving AI response quality across various applications by creating and testing prompts for large language models.

The ideal candidate should possess a Bachelor's degree in Computer Science or a related field and have substantial experience with Generative AI technologies. Strong communication and analytical skills are essential for collaboration with technical teams.

Qualifications

• 5+ years of experience in AI, software development, or related fields.
• 2+ years hands-on experience with Generative AI.
• Experience in designing and optimizing prompts for AI models.

Responsibilities

• Design and manage prompts for AI applications.
• Conduct prompt testing and performance evaluations.
• Collaborate with business and technical teams.

Skills

Generative AI technologies

Communication skills

Analytical skills

Problem-solving abilities

Stakeholder engagement

Education

Bachelor's Degree in Computer Science or related field

Tools

OpenAI

AI evaluation frameworks

Job description

We are seeking a Senior AI Prompt Engineer to design, optimize, and manage prompts that maximize the effectiveness of Large Language Models and AI‑powered applications. The role is responsible for improving AI response quality, consistency, accuracy, and business relevance across a wide range of use cases.

Key Responsibilities

• Support enterprise AI product development initiatives.

Prompt Design & Development

• Create and maintain prompts that enhance AI system performance.
• Design prompts for conversational AI, automation, and business applications.
• Develop reusable prompt templates and libraries.
• Optimize prompt structures for different use cases and models.

Prompt Testing & Optimization

• Improve response quality through experimentation and analysis.
• Conduct prompt testing and A/B evaluations.
• Analyze AI outputs and identify optimization opportunities.
• Improve accuracy, consistency, and user experience.
• Support model tuning and evaluation activities.

AI Performance Evaluation

• Measure and monitor AI effectiveness across multiple applications.
• Develop evaluation criteria and quality standards.
• Review AI responses against business requirements.
• Track prompt performance and improvement metrics.
• Provide recommendations for ongoing enhancements.

Collaboration & Stakeholder Support

• Work closely with technical and business teams.
• Collaborate with AI engineers, trainers, and product managers.
• Translate business requirements into prompting strategies.
• Support AI solution design and implementation efforts.
• Communicate findings and recommendations to stakeholders.

Research & Continuous Improvement

• Drive innovation within prompt engineering practices.
• Stay current with developments in Generative AI and LLMs.
• Evaluate new prompting techniques and methodologies.
• Contribute to prompt engineering best practices.
• Support AI innovation and experimentation initiatives.

Qualifications

• Bachelor's Degree in Computer Science, Artificial Intelligence, Linguistics, Communications, Information Systems, Business, or a related field.
• Minimum 5 years of experience in AI, software development, content strategy, research, analytics, or a related discipline.
• Minimum 2 years of hands‑on experience working with Generative AI technologies.
• Experience designing, testing, and optimizing prompts for Large Language Models.
• Strong understanding of AI model behavior and prompt engineering principles.
• Excellent written communication and language analysis skills.
• Strong analytical and problem‑solving abilities.
• Experience evaluating AI outputs and identifying improvement opportunities.
• Ability to manage multiple projects and priorities effectively.
• Strong stakeholder engagement and collaboration skills.
• Experience documenting standards, methodologies, and best practices.
• Ability to work effectively in fast‑paced and evolving environments.
• Must be authorized to work in the country where the job is based.

Nice to Have

• Experience with OpenAI, Anthropic, Gemini, Claude, or similar AI platforms.
• Experience with Retrieval‑Augmented Generation (RAG) solutions.
• Knowledge of AI agents and workflow automation technologies.
• Familiarity with AI evaluation frameworks and testing methodologies.
• Experience with conversational AI and chatbot development.
• Understanding of AI governance and responsible AI principles.
• Experience working within SaaS, technology, or BPO environments.
• Advanced certifications or training related to AI and Generative AI.

Work Environment

This job operates in a professional office environment. The employee will be largely sedentary and will be required to sit/stand for long periods while using a computer and telephone headset. The employee will be regularly required to operate a computer and other office equipment, including a phone, copier, and printer. The employee may occasionally be required to move about the office, reach in any direction, raise or lower objects, move objects from place to place, hold onto objects, and move or exert force up to forty (40) pounds.

Legal & EEO Statements

Consistent with the Americans with Disabilities Act (ADA), it is the policy of MCI and its affiliates to provide reasonable accommodations when requested by a qualified applicant or employee with a disability unless such accommodations would cause undue hardship. The policy regarding requests for reasonable accommodation applies to all aspects of employment. If reasonable accommodations are needed, please contact Human Resources.

At MCI and its subsidiaries, we embrace differences and believe diversity is a benefit to our employees, our company, our customers, and our community. All aspects of employment at MCI are based solely on a person's merit and qualifications. MCI maintains a work environment free from discrimination, one where employees are treated with dignity and respect. All employees share in the responsibility for fulfilling MCI's commitment to a diverse and equal opportunity work environment.

MCI does not discriminate against any employee or applicant on the basis of age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations, and ordinances. MCI will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements.

MCI will not tolerate discrimination or harassment based on any of these characteristics. We adhere to these principles in all aspects of employment, including recruitment, hiring, training, compensation, promotion, benefits, social and recreational programs, and discipline. In addition, it is the policy of MCI to provide reasonable accommodation to qualified employees who have protected disabilities to the extent required by applicable laws, regulations, and ordinances where an employee works.