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Mid-Level LLM Software Engineer [$300k/yr+] TS/SCI-FS Poly with Security Clearance
SYSTOLICHerndon, VA🇺🇸United StatesPosted 14 Jul 2026
Quick Overview
Salary
$300k/yr
Work Type
Hybrid
Schedule
Employee
Level
Mid Senior
Job Description
Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Participate in Lean Agile development. • Design, develop, and modify software systems. • Implement scalable search and retrieval systems leveraging Elasticsearch. • Develop LLM-powered capabilities, including RAG pipelines. • Build Single Page Applications using React, HTML/CSS. • Develop RESTful APIs with Node.js. • Troubleshoot web technologies including Tomcat and SSL. • Utilize DevOps tools such as Git, Jenkins, and Nexus. • Work with AWS, Azure, and vector databases. • Integrate LLMs into enterprise applications. Qualifications && Compensation: • Degree: Technical bachelor's degree or equivalent experience • Years of experience: 13+ years • Total Compensation: $300k+ yearly (tentative) Job Description: • Participate in Lean Agile scrums, sprints, and grooming sessions. • Consult and coordinate for problem resolution, task scheduling, and resource requirements. • Collaborate with integrated teams of staff and contractors. • Understand and work within cloud environments like AWS and Azure. • Coordinate with security, operations, engineering, and testing teams for technical support. • Design, develop, and modify software systems. • Document and track vendor software roadmaps for updates. • Perform unit testing and code reviews. • Design and implement scalable search and retrieval systems leveraging Elasticsearch. • Develop and integrate LLM-powered capabilities, including Retrieval-Augmented Generation (RAG) pipelines. • Build Single Page Applications using React, HTML/CSS. • Develop RESTful APIs with Node.js. • Troubleshoot web technologies including Apache Tomcat and SSL. • Utilize DevOps tools such as Git, Jenkins, and Nexus. • Work with vector databases. • Integrate LLMs into enterprise applications. About SYSTOLIC: SYSTOLIC is dedicated to giving our employees the best possible company experience so that they can focus on providing outstanding support to their customer’s mission. Our company is founded on integrity, enthusiasm, and a relentless commitment to supporting the Intelligence Community. You can learn more about us and submit an application to be considered against our current and future openings at https://systolic.com. To learn about our compensation ranges, visit our Pay Transparency page at: https://systolic.com/pay-transparency
Skills
Node.js
AWS
Agile
Apache
Azure
CSS
Git
HTML
HTTPS
Jenkins
LLM
React
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