Agentic AI Developer

Remote from
USA flag
USA
Salary, yearly, USD
63,500 - 105,900
Department
Programming
Employment type
Full Time,
Job posted
Apply before
30 Jun 2026
Experience level
Senior
Views / Applies
27 / 9

About ManTech

ManTech delivers technology-driven innovation, develops game-changing solutions, and delivers mission-focused technologies for defense and federal civilian agencies.

Actively Hiring
Verified job posting
This job post has been manually reviewed for authenticity and compliance.

AI Summary

MANTECH International seeks an entry-level Agentic AI Application Developer for a fully remote role supporting the AFCEC Cost Estimation PoC. The position involves developing and deploying AI systems with reasoning and planning capabilities, integrating APIs, and collaborating with cross-functional teams. Candidates need foundational AI/ML knowledge and Python skills, with preference for experience in LangChain, LlamaIndex, or similar. The role offers a competitive salary range and benefits, requiring US citizenship for a DoD Secret clearance.

Role DNA

Job Complexity
Easy Hard
Pace & Pressure
Relaxed Fast-paced
Autonomy Level
Guided Full Ownership
Communication Load
Independent Highly Collaborative
AI Insight The role requires foundational AI knowledge and Python, but entry-level expectations and remote work balance difficulty. Complexity in building autonomous agents raises difficulty to a moderate level.

Salary Analysis

Median Highly Competitive
USD84,700
US Market
USD64k – USD106k
0 USD116k
AI Insight The offered salary range of $63,500-$105,900 is competitive for an entry-level AI developer role, aligning with US market medians. The median of $84,700 reflects fair compensation for the required skills and remote work.

Key Skills

Python AI Agent Development LangChain LlamaIndex API Integration Prompt Engineering Machine Learning Cloud Platforms Autonomous Systems

Dear Hiring Manager,

I am excited to apply for the Agentic AI Application Developer position at MANTECH International. With a Bachelor's degree in Computer Science and foundational experience in Python and AI/ML principles, I am eager to contribute to developing autonomous AI systems for the AFCEC Cost Estimation PoC. My familiarity with prompt engineering and API integration, combined with strong problem-solving skills, makes me a great fit for this role.

I am particularly drawn to MANTECH's mission of delivering advanced solutions for national security. I thrive in remote, collaborative environments and am committed to building secure, high-performance AI agents. Thank you for considering my application.

Sincerely,
[Your Name]

Explain how you would design an AI agent that can autonomously perform a multi-step task like cost estimation for a project.
I would break down the task into subtasks, use a planning algorithm like hierarchical task networks, and integrate with relevant APIs (e.g., cost databases). The agent would use a language model to interpret user input, execute steps, and incorporate feedback loops for error correction.
Describe your experience with Python and any AI frameworks you have used.
I have used Python for data analysis and machine learning projects. I have experience with LangChain for building LLM-powered applications and have explored OpenAI APIs for integrating language models. I also have familiarity with LlamaIndex for data indexing.
How do you ensure the security and reliability of an AI agent in a production environment?
I follow secure coding practices, implement input validation, and use human-in-the-loop architectures for critical decisions. I also design robust error handling and logging to monitor agent behavior.
Can you walk us through a project where you integrated an API into an application?
In a previous project, I built a chatbot that used the OpenAI API to generate responses and integrated a weather API to provide real-time data. I handled authentication, rate limiting, and error responses.
How do you approach problem-solving when an AI agent fails to complete a task as expected?
I start by analyzing logs to identify failure points, then test hypotheses with isolated components. I iterate on the agent's prompts, add fallback logic, or adjust the planning algorithm to improve robustness.

General information

Requisition #
R68149
Locations
USA-Remote Work
Posting Date
05/29/2026
Security Clearance Required
None
Remote Type
Fully Remote
Time Type
Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!
***This is for a future opportunity***

MANTECH seeks a motivated, career and customer-oriented Agentic AI Application Developer to join our team. This is a full-time remote opportunity.

Responsibilities include but are not limited to:

  • Develop and deploy Agentic AI and Human-AI Teaming capabilities to support the AFCEC Cost Estimation PoC
  • Design and build AI systems capable of reasoning, planning, and executing complex, multi-step tasks with minimal human intervention
  • Integrate AI models with real-world tools, external APIs, and sophisticated feedback loops
  • Transform manual, high-variability workflows into highly efficient, predictive, agent-driven capabilities
  • Collaborate with cross-functional teams to validate secure AI solutions and reshape workflow efficiency
  • Write, test, and maintain code for AI agents, ensuring high performance and reliability in a remote environment

Minimum Qualifications:

  • Bachelor’s degree in computer science, data science, statistics, mathematics, or experience
  • 0+ years of entry-level experience
  • Foundational knowledge of artificial intelligence, machine learning, or software engineering principles
  • Experience with programming languages commonly used in AI development, such as Python
  • Familiarity with integrating APIs and working with external data sources
  • Understanding of prompt engineering and basic interactions with Large Language Models
  • Strong problem-solving skills and ability to work effectively in a remote team environment

Preferred Qualifications:

  • Bachelor’s degree in computer science, data science, statistics, mathematics, or experience
  • 2+ years of experience
  • Hands-on experience building or working with AI agents, chatbots, or autonomous systems
  • Familiarity with AI frameworks and libraries such as LangChain, LlamaIndex, or OpenAI APIs
  • Experience with cloud platforms and deploying AI applications
  • Experience with secure AI development practices and human-in-the-loop architectures

Clearance Requirements:

  • US Citizen with ability to obtain and maintain a DoD Secret.

Physical Requirements:

  • Must be able to remain in a stationary position 50%
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations
  • Must be able to exchange accurate information in these situations
The projected compensation range for this position is $63,500.00-$105,900.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.

Apply now >

This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content.

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