AI Engineer

Aptima is a technological leader in the national security industry focused on engineering scalable solutions that combine technological innovation with human potential. The AI Engineer will design, develop, and apply advanced artificial intelligence and machine learning models, including large language models, computer vision, and multimodal AI systems, to support mission-critical defense applications. The role also involves collaborating with researchers and software engineers to deliver production-ready solutions, technical work, reports, proposals, and presentations.

Responsibilities

• Contribute to the design and development of artificial intelligence (AI) and software systems that classify and measure human states using multimodal sensor approaches
• Contribute to the design, development and application of data mining, statistical analysis, machine learning, computational modeling and digital signal processing methods
• Collaborate with software engineers, within an agile development environment, to implement, test, and apply mathematical algorithms from research
• Successfully design and implement the scientific and technical aspects of projects and proposals
• Lead in the execution of technical tasks under projects and proposals, resulting in work that is timely and of high quality
• Contribute to the production of Aptima technical reports, proposals, presentations, and published papers
• Support more senior staff through the application of technical knowledge by contributing to proposals, participating in capabilities briefs, preparing software or meeting materials, integrating/installing software, meeting with customers, etc
• Continue education in own professional domain (conferences, reading). Take initiative to do background reading and/or other forms of professional development related to project needs and technical areas
• Present work at professional conferences and/or in professional publications

Preferred

• Master or PhD preferred
• Experience with natural language processing (NLP), large language models (LLMs), agentic workflows, or computer vision (CV) is a plus
• Master’s degree
• PhD
• Natural language processing
• Large language models
• Agentic workflows
• Computer vision

Company

• AI-enabled defense systems for national security readiness
• Woburn, Massachusetts, USA
• http://aptima.com/
• Founded in 1995
• 51-200 employees

Qualifications

• Ability to obtain and maintain a US Government Security Clearance
• Minimum of 3-5 years of relevant work experience
• Demonstrated technical and leadership ability to take on this level of requirements
• Possesses general understanding of multiple technical domains relevant to Aptima, with a primary focus on a specialty that is integrated with other domains at Aptima
• Ability to competently apply engineering technical skills, principles, and heuristics to plans and products that are of high quality, responsive to customer needs, contractually compliant, and delivered in a timely manner
• Moderate proficiency in software development practices relevant to ML/AI workflows, including object-oriented programming (e.g., Python, Java, C#), modular code design, and transitioning from exploratory notebooks to maintainable, production-ready packages. Skills will be assessed during interview process
• Foundational understanding of machine learning techniques (e.g., deep learning, feature extraction, and embedding application) and experience building computational models from large datasets
• Master or PhD preferred
• Experience with natural language processing (NLP), large language models (LLMs), agentic workflows, or computer vision (CV) is a plus

Required skills

• , Java, C#, Object-Oriented Programming, Machine Learning, Deep Learning, Feature Extraction, Embedding Application, Computational Modeling, Natural Language Processing, Large Language Models

Preferred skills

• Master or PhD preferred, Woburn, Massachusetts, USA, http://aptima.com, Growth Stage, Total Funding, $0.2M, Key Investors, US Department of Energy, 2024-01-09, Grant· $0.2M, Leadership Team, Meg Clancy, Executive Vice President & Co-founder, Tom Mckenna, Chief Financial Officer, Recent News, Google Patent, Systems and methods to support medical therapy decisions, 2026-03-01, Systems and methods for analyzing entity profiles, GlobeNewswire, 2026-02-23, Company data provided by, AI Tools, Customize Your Resume, Maximize your interview chances, Build Cover Letter, Make your application stand out, Analyze How Well You Fit, Understand your strength & weakness

Experience

• 3+ years