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Software Engineer with Security Clearance

Mantis Security Corporation
Herndon, VA Full Time
POSTED ON 9/29/2025
AVAILABLE BEFORE 10/28/2025
Mantis Security Is a Leading Specialty Firm Of High Caliber Talent Who Specialize In Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, And Cloud Engineering. We Enable And Protect Our Nation's Most Important IT Assets And Invest In The Long-term Career Development Of Every Employee! We Are Currently Looking For The Next Software Engineer To Join Our Team Of Experts! Software Engineer

Mantis Security is looking for a Software Engineer to join our diverse team! The selected candidate will work within a cross-functional Scrum team, and will perform software engineering and development activities, associated with supporting, maintaining, and enhancing software using an Agile DevSecOps model. The engineer should be comfortable working with containers and automated testing frameworks.

This position is 100% on-site. Required Qualifications

  • A Bachelor’s degree with 9 years of relevant experience OR a Master’s degree with 7 years of relevant experience; an additional 4 years of experience may be considered in lieu of a degree requirement
  • 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 current CI poly to start Preferred Qualifications
  • 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 We believe that our strength is in our employees. We offer employees the chance to work with great people on projects of high importance and are committed to providing the best culture that foster’s technical innovation and personal growth. To help our staff achieve a productive work-life balance, we offer a full range of highly competitive benefits for our employees and their families. For more information visit our website at https://www.mantissecurity.com

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Job openings at Mantis Security Corporation

Mantis Security Corporation
Hired Organization Address Herndon, VA Full Time
Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, In...

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