Senior Principal/Staff Cyber Software Engineer (TS/SCI)

SHLD, Inc.; Herndon (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

A technology solutions company in Herndon seeks a Software Engineer IV who will enhance software in an Agile DevSecOps environment. The ideal candidate has a strong background in Python, experience with state machines, and a solid understanding of RESTful APIs. Candidates must have TS/SCI with the ability to obtain a poly clearance. The role includes working in a cross-functional team and familiarity with containers is preferred.

Qualifications

• Strong Python development experience, especially with workflow orchestration.
• Experience with state machines, task queues (e.g., Celery), or workflow engines.
• Understanding of RESTful APIs and data serialization (JSON, XML).

Responsibilities

• Work within a cross-functional Scrum team to enhance software using an Agile DevSecOps model.
• Be comfortable working with containers and automated testing frameworks.

Skills

Python development

Elasticsearch/Open Search

PostgreSQL

MySQL

API design

Education

Bachelor's degree with 9+ years of experience

Master's degree with 7+ years of experience

PhD with 4+ years of experience

Tools

Node.js

Django

Flask

FastAPI

Job description

Overview

*****MUST HAVE AN ACTIVE TS/SCI WITH ABILITY TO OBTAIN TO PASS A POLY CLEARANCE******

Software Engineer IV

Responsibilities

• Work within a cross-functional Scrum team, and perform software engineering and development activities, associated with supporting, maintaining, and enhancing software using an Agile DevSecOps model.
• Be comfortable working with containers and automated testing frameworks.

Qualifications

• Strong Python development experience, especially with workflow orchestration
• Elasticsearch/Open Search, PostgreSQL, MySQL experience
• Experience with state machines, task queues (e.g., Celery), or workflow engines
• Understanding of RESTful APIs and data serialization (JSON, XML)
• TS/SCI with ability to pass a poly

Experience Levels and Education

• Senior Principal level: A Bachelor\'s degree with 9+ years of relevant experience; OR a Master\'s degree with 7+ years of relevant experience; OR a PhD with 4+ years of relevant experience; an additional 4 years of experience may be considered in lieu of a degree requirement
• Staff level: A Bachelor\'s degree with 14+ years of relevant experience; OR a Master\'s degree with 12+ years of relevant experience; OR a PhD with 9+ years of relevant experience; an additional 4 years of experience may be considered in lieu of a degree requirement

Desired

• Knowledge of API design best practices and data governance
• Experience using Node.js
• Familiarity with frameworks like Django, FastAPI, or Flask
• Security+ or equivalent certification and willingness to serve as a privileged user supporting deployed systems testing
• P/W

Equal Opportunity

Shld, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.