Principal Prompt Engineer

MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong call center footprint and operations that extend across multiple countries. We deliver Customer Experience (CX), Business Process Outsourcing (BPO), and Anything-as-a-Service (XaaS) cloud technology solutions across a wide range of industries, including healthcare, retail, government, education, telecom, technology e-commerce, and financial services. Our contact centers are powered by both on-site and remote agents, leveraging advanced technologies to enhance customer journeys, drive scalability and reduce costs. 

At MCI we are committed to fostering an environment where professionals can build meaningful careers, access continuous learning and development opportunities and contribute to the success of a globally expanding, industry-leading organization.  

We are seeking an experienced Principal Prompt Engineer to lead the design, governance, and optimization of prompt engineering frameworks across the organization. This role combines deep expertise in Large Language Models, AI behavior design, and conversational experiences with strategic leadership responsibilities.

As a subject matter expert, you will establish prompt engineering standards, mentor teams, and drive innovation across AI-powered products, ensuring solutions deliver accurate, reliable, and business-aligned outcomes at scale.

To be considered for this role, you must complete a full application on our company careers page, including all screening questions and a brief pre-employment test.

Key Responsibilities:

Prompt Engineering Strategy & Leadership

• Provide strategic direction for prompt engineering practices across the organization.
• Define prompt engineering standards, frameworks, and best practices.
• Establish methodologies for prompt design, testing, and optimization.
• Lead prompt engineering initiatives across multiple AI products.
• Support organizational AI strategy and innovation efforts.

Prompt Design & Optimization

• Develop sophisticated prompting solutions that improve AI performance.
• Design advanced prompts for enterprise AI applications.
• Optimize prompts for accuracy, consistency, and efficiency.
• Develop reusable prompt libraries and templates.
• Improve response quality across multiple business use cases.

AI Evaluation & Quality Management

• Ensure AI systems meet organizational performance expectations.
• Define prompt evaluation methodologies and benchmarks.
• Analyze model outputs and recommend improvements.
• Establish quality assurance processes for prompt engineering.
• Drive continuous performance optimization initiatives.

Stakeholder Collaboration

• Partner with business and technical leaders to deliver impactful AI solutions.
• Collaborate with product managers, AI engineers, and business stakeholders.
• Translate business requirements into effective prompting strategies.
• Support executive-level AI initiatives and innovation programs.
• Provide subject matter expertise on AI capabilities and limitations.

Mentorship & Innovation

• Build organizational capability in prompt engineering and AI adoption.
• Mentor prompt engineers and AI specialists.
• Lead research into emerging AI and prompting techniques.
• Evaluate new AI platforms and technologies.
• Promote knowledge sharing and continuous learning.

WONDER IF YOU ARE A GOOD FIT FOR THIS POSITION?

All positive, and driven applicants are encouraged to apply. The Ideal candidates for this position are highly motivated and dedicated and should possess the below qualities:

• Bachelor's Degree in Computer Science, Artificial Intelligence, Linguistics, Communications, Information Systems, or a related field.
• Minimum 7 years of professional experience in technology, AI, software development, research, or related disciplines.
• Minimum 5 years of experience working with Generative AI and Large Language Models.
• Deep expertise in prompt engineering methodologies and optimization techniques.
• Strong understanding of LLM behavior, limitations, and evaluation frameworks.
• Experience designing enterprise-scale AI solutions.
• Strong analytical and problem-solving capabilities.
• Experience leading technical initiatives and influencing strategy.
• Ability to communicate complex concepts to diverse audiences.
• Strong stakeholder engagement and relationship management skills.
• Experience developing standards, frameworks, and governance practices.
• Demonstrated leadership and mentoring experience.

Nice to Have

• Master's Degree in Artificial Intelligence, Computer Science, Linguistics, or related discipline.
• Experience with OpenAI, Anthropic, Gemini, Claude, or equivalent platforms.
• Knowledge of Retrieval-Augmented Generation (RAG) architectures.
• Experience building AI agents and autonomous workflows.
• Experience with AI governance and compliance frameworks.
• Cloud platform certifications.
• Experience leading enterprise AI transformation initiatives.
• Published research, thought leadership, or speaking engagements related to AI.

This job operates in a professional office environment. While performing the duties of this job, 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 to accomplish tasks; 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.

All MCI Locations

• Must be authorized to work in the country where the job is based.

Subject to the program and location of the position

• Must be willing to submit up to a LEVEL II background and/or security investigation with a fingerprint.  Job offers are contingent on background/security investigation results.
• Must be willing to submit to drug screening.  Job offers are contingent on drug screening results. (Does not apply in Canada)

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.

MCI helps customers take on their CX and DX challenges differently, creating industry-leading solutions that deliver exceptional experiences and drive optimal performance. MCI assists companies with business process outsourcing, staff augmentation, contact center customer services, and IT Services needs by providing general and specialized hosting, software, staff, and services.

In 2019, Marlowe Companies Inc. (MCI) was named by Inc. Magazine as Iowa’s Fastest Growing Company in the State of Iowa and was named the 452nd Fastest Growing Privately Company in the USA, making the coveted top 500 for the first time. MCI’s subsidiaries had previously made Inc. Magazine's List of Fastest-Growing Companies 15 times, respectively. MCI has ten business process outsourcing service delivery facilities in Georgia, Florida, Texas, New Mexico, California, Kansas, Nova Scotia, South Africa, and the Philippines.

Driving modernization through digitalization, MCI ensures clients do more for less. MCI is the holding company for a diverse lineup of tech-enabled business services operating companies. MCI organically grows, acquires, and operates companies that have synergistic products and services portfolios, including but not limited to Automated Contact Center Solutions (ACCS), customer contact management, IT Services (IT Schedule 70), and Temporary and Administrative Professional Staffing (TAPS Schedule 736), Business Process Management (BPM), Business Process Outsourcing (BPO), Claims Processing, Collections, Customer Experience Provider (CXP), Customer Service, Digital Experience Provider (DXP), Account Receivables Management (ARM), Application Software Development, Managed Services, and Technology Services, to mid-market, Federal & enterprise partners. MCI now employs 10,000+ talented individuals with 150+ diverse North American client partners across the following MCI brands: MCI BPO, MCI BPOaaS, MarketForce,  GravisApps, Gravis Marketing, MarchEast, Mass Markets, MCI Federal Services (MFS), OnBrand24, The Sydney Call Center, Valor Intelligent Processing (VIP), BYC Aqua, EastWest BPO, TeleTechnology, and Vinculum.

The purpose of the above job description is to provide potential candidates with a general overview of the role. It's not an all-inclusive list of the duties, responsibilities, skills, and qualifications required for the job.  You may be asked by your supervisors or managers to perform other duties. You will be evaluated in part based upon your performance of the tasks listed in this job description.

The employer has the right to revise this job description at any time. This job description is not a contract for employment, and either you or the employer may terminate employment at any time, for any reason.