Senior AI Software Engineer (TS/SCI)

Marathon TS; Springfield (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Marathon TS is seeking an experienced Senior Software Developer to support intelligence missions in Springfield, VA. The role emphasizes AI development, secure software delivery, and collaboration in a government environment.

The successful candidate will have a TS/SCI clearance, strong Python/Java/Scala skills, and experience with REST APIs, Docker/Kubernetes/OpenShift, and DevSecOps in cloud-native contexts.

Qualifications

• 8+ years of experience in software development and secure apps.
• Degree or equivalent IT experience in relevant fields.
• Strong Python/Java/Scala programming background.
• Experience with RESTful APIs and modern delivery practices.
• Hands-on with containerization and cloud-native architectures.
• Experience with Generative AI tech and LLM workflows.
• Familiar with DevSecOps, security scanning, and hardening.

Responsibilities

• Design, develop, evaluate, plan and test AI features.
• Integrate multiple data streams into customer systems.
• Lead cloud migrations across platforms.
• Develop AI features for Ontology-based apps.
• Collaborate in an agile scrum, participate in ceremonies.
• Write backlog items and support product backlog refinement.
• Apply DevSecOps and secure software development practices.
• Develop and modify apps, services, and IT systems.

Skills

Senior software development

Python

Java

Scala

REST APIs

Agile/Scrum

Generative AI

LLMs

DevSecOps

Cloud-native

Education

Bachelor's Degree in CS/CE/SE or related

6 extra years IT experience

Tools

Docker

Kubernetes

OpenShift

Helm

Git

CI/CD

Job description

Marathon TS is seeking an experienced Senior Software Developer to support intelligence missions in Springfield, VA. The role emphasizes AI development, secure software delivery, and collaboration in a government environment.

The successful candidate will have a TS/SCI clearance, strong Python/Java/Scala skills, and experience with REST APIs, Docker/Kubernetes/OpenShift, and DevSecOps in cloud-native contexts.