Software Engineer III (Full Scope Poly) with Security Clearance

Shadowgate Partners is seeking a Software Engineer III for a Client. Position Overview As a hybrid Analyst/Developer, you will apply your experience with LLMs and AI-integrated Python pipelines to drive mission-critical initiatives. You will be involved in every aspect of the development lifecycle for new tools and plugins, from conceptualization to deployment. Your core focus will be architecting agentic Python automations, conducting vulnerability research, and analyzing complex technical data. You will also innovate and document new tradecraft and manage strategic customer outreach. Key Responsibilities • Design and deploy agentic AI workflows that leverage autonomous planning and tool-use to streamline internal operations and improve system efficiency.
• Design, develop, and maintain automated workflows using Python.
• Conduct vulnerability analysis.
• Develop and document tradecraft.
• Execute on customer requests.
• Perform customer outreach. Required Qualifications • Deep experience leveraging LLMs to solve complex problems, including expertise in prompt engineering and model optimization.
• Proven ability to integrate AI into automated pipelines and production workflows using APIs and orchestration tools.
• Strong Python experience.
• Data parsing and manipulation.
• Networking knowledge and protocols.
• Experience with open-source research.
• Knowledge of end-to-end signals intelligence collection and analysis systems.
• Familiarity with Git.
• Documentation using tools such as Jira and Confluence. Experience & Education Minimum 12 years of relevant experience with a B.S. in a technical discipline, or 4 additional years of experience in place of a B.S. Clearance Level This position requires an active Top Secret/SCI clearance with a Full Scope Polygraph. Applicants must be U.S. citizens and must hold, or be able to reinstate, the required clearance and polygraph prior to start. Clearance eligibility must be maintained throughout the duration of employment. Salary & Benefits $260,000 – $285,000 per year, plus an additional 25% in fully and immediately vested employer 401(k) contributions. In addition to the base salary and 401(k) contributions listed above, our Client offers a comprehensive benefits package including medical, dental, and vision coverage, paid time off and holidays, life and disability insurance.