Senior Forward Deployed Engineer (D.C. Area)

fde; Washington (District of Columbia); Hybrid; USD 160,000 - 210,000; Full time

Job summary

Legion Intelligence seeks a Senior Forward Deployed Engineer to be embedded 80–100% with federal customers in the D.C. area, designing and building custom workflows atop Legion's AI platform. You will prototype rapidly, translate mission needs into shipped systems, and provide feedback to product and engineering.

Requires 4+ years in FDE/solutions engineering, strong Python and JS/TS skills, and an active TS clearance with SCI eligibility; US citizenship is required for government contracts.

Qualifications

• Active Top Secret clearance with SCI eligibility.
• US citizenship is required for government contracts.
• 4+ years of Forward Deployed Engineering or solutions engineering experience.
• Proficiency in Python and JavaScript/TypeScript.
• Experience designing/shiping custom workflows and UI.
• Experience integrating enterprise systems (O365, Palantir Foundry, Databricks, ServiceNow, Atlassian).

Responsibilities

• Work embedded with federal/national-security customers in the D.C. area.
• Design and build custom workflows and app packs on Legion's AI platform.
• Rapid prototyping and iteration in the field, translating mission needs into shipped systems.
• Provide feedback loop to product and engineering teams.
• Develop lightweight UI in Node/Next.js/React.
• Collaborate with end users to validate solutions.

Skills

Forward Deployed Engineer

Python

JavaScript/TypeScript

US Citizenship

Active TS Clearance

SCI Eligibility

Client-facing

UI Prototyping

Tools

Node/Next.js/React

O365

Palantir Foundry

Databricks

ServiceNow

Atlassian

Job description

Senior Forward Deployed Engineer at Legion Intelligence (born from a Department of Defense partnership; collaborators include Palantir, Nvidia, HPE, Oracle), embedded 80–100% with federal/national-security customers in classified or constrained environments in the D.C. area. Works directly with end users to design and build custom workflows and 'app packs' on top of Legion's agentic AI platform, rapidly prototyping and iterating in the field, translating ambiguous mission needs into shipped systems, and acting as a feedback loop into product/engineering. Integrates with enterprise systems (O365, Palantir Foundry, Databricks, ServiceNow, Atlassian) and builds lightweight UI in Node/Next.js/React. Requires 4+ years FDE/solutions-engineering experience, Python + JS/TS, an ACTIVE Top Secret (TS) clearance + SCI eligibility, and US citizenship (government contract requirement). Verified live on Legion's own Greenhouse careers board.