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Senior Principal​/Cyber Software Engineer; TS​/SCI

Job in Herndon, Fairfax County, Virginia, 22070, USA
Listing for: EmergencyMD
Full Time position
Listed on 2026-02-02
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR
Job Description & How to Apply Below
Position: Senior Principal/Staff Cyber Software Engineer (TS/SCI)

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 Dev Sec Ops  model.
  • Be comfortable working with containers and automated testing frameworks.
Qualifications
  • Strong Python development experience, especially with workflow orchestration
  • Elasticsearch/Open Search, Postgre

    SQL, 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.

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Position Requirements
10+ Years work experience
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