Senior AI Engineer - TS/SCI with Polygraph

Description

The team supports national security work for an intelligence customer in Chantilly, VA, on AI projects that aim to keep critical operations safe and improve results over time.

The company is a global technology and professional services firm with about 26,000 staff across more than 50 countries. It serves federal, defense and intelligence agencies with work in AI, cloud, cyber and software development.

The role sits in the data science and data engineering family.

Responsibilities

• Design and build AI-driven solutions for complex problems and for improving business processes.
• Gather large volumes of structured and unstructured data from many sources, then clean and preprocess it so it is accurate, sound and relevant for training and evaluating models.
• Train, validate and tune large language models with current techniques and frameworks, assess how they perform, read the results and revise the model design when needed.
• Pull out, choose and build features from raw data that improve model accuracy and how well it generalizes, using domain knowledge and data exploration.
• Watch model performance, reliability and scale in production, and set up automated monitoring and alerts that catch anomalies and drops in performance.
• Write up technical designs, implementation details and best practices for AI solutions.
• Work with data scientists, software engineers, product managers and other stakeholders to clarify requirements, set priorities and deliver useful AI solutions.

Requirements

• Bachelor's degree in engineering, computer science or another related analytical, scientific or technical field.
• At least 5 years of related experience.
• Hands-on experience designing, building, implementing and using machine learning algorithms and large language models for problems such as predictive analytics, natural language processing, computer vision and recommender systems.
• Understanding of agentic AI frameworks such as Pydantic, CrewAI and LangChain.
• Proficiency in Python and Java.
• Ability to work independently with general supervision, with strong documentation, communication, user interaction and business analysis skills.
• Current Top Secret clearance with SCI access and a polygraph, and US citizenship.
• Preferred: understanding of machine learning methods, including supervised and unsupervised learning, deep learning, reinforcement learning, large language models, generative AI and ensemble methods.
• Preferred: familiarity with machine learning libraries and frameworks.
• Preferred: knowledge of software development best practices, version control systems and agile methods.

Conditions

Onsite role at the customer site in Chantilly, VA, with no travel required.

Scheduled at 40 hours per week.

Salary is expected to fall between $127,500 and $172,500. The final figure depends on experience, geographic location and possibly contract terms, and may fall outside this range. It is not a guarantee of pay.

The hiring process includes an identity verification step that uses biometrics and AI. Candidates must be on camera during virtual interviews, and the company may take a photo to verify identity. By proceeding, you authorize collection and use of your biometric data for verification and security.

Equal opportunity employer, including individuals with disabilities and protected veterans.

Benefits

• Medical plan options, some with Health Savings Accounts, plus dental and vision plans.
• 401(k) with pre-tax and post-tax contributions up to IRS limits and a company match.
• Full flex work weeks where possible, and paid time off covering vacation, sick and personal days, holidays, parental, military, bereavement and jury duty leave.
• Short and long-term disability, life, accidental death and dismemberment, personal accident, critical illness and business travel accident coverage, provided or available.
• An AI-powered career tool that suggests career steps and learning, and an internal mobility team to help you reach your goals.
• A military-friendly workplace with a strong culture of innovation.
• A Talent Community to hear about future roles and events.