Senior Python Developer
ISYS Technologies, Inc.1 day ago
Littleton, CO, USASenior
Responsibilities
- Design, develop, test, optimize, deploy, and support Python-based scanners and cybersecurity capabilities at scale.
- Build and operationalize AI-assisted STIG ingestion, document processing, data extraction, classification, validation, and human-in-the-loop workflows.
- Integrate and orchestrate local, self-hosted, and cloud-hosted AI models across connected, restricted, and air-gapped environments.
- Support model selection, dataset preparation, evaluation, prompting, retrieval design, fine-tuning, inference optimization, monitoring, and production governance.
- Expand cybersecurity coverage to applications, databases, application servers, middleware, and other software layers.
- Contribute to architecture, code reviews, automated testing, documentation, observability, secure development, and production support.
- Lead development activities through deployment and stabilization while communicating risks, trade-offs, dependencies, and customer findings.
- Mentor developers and coordinate with architecture, dashboard, cybersecurity content, product, and customer-facing teams.
Requirements
- Bachelor’s degree in computer science, software engineering, data science, AI/ML, or a related field is desired; relevant professional experience may substitute for the degree.
- At least eight years of professional Python software development experience, including production software design and delivery.
- Experience building and deploying production AI-enabled software, integrating local or self-hosted models and cloud AI services or model APIs.
- Experience with AI/ML techniques, RAG, embeddings, vector databases, structured outputs, tool or function calling, document parsing, information extraction, agentic workflows, and evaluation frameworks.
- Experience automating complex workflows with measurable operational impact and developing distributed systems for segmented or federated environments.
- Experience deploying and optimizing models in disconnected or resource-constrained environments, including model serving, quantization, and GPU/CPU trade-offs.
- Experience with Azure OpenAI, AWS Bedrock, OpenAI APIs, Google Vertex AI, or comparable hosted AI services.
- Experience with model/version management, evaluation pipelines, experiment tracking, monitoring, quality controls, and AI production governance.
- Experience with DISA STIGs, SCAP content, RMF, CORA, federal cybersecurity compliance, and restricted or air-gapped DoD environments.
- Experience leading development teams through task assignment, architecture and code reviews, mentoring, and stakeholder coordination.
- Experience with enterprise dashboards or full-stack web applications and production Go development for agents, scanners, network services, security tooling, or distributed systems.
- Active Secret or Top-Secret security clearance is desired, while the role requires the ability to obtain and maintain a security clearance.
- Strong knowledge of software engineering, Python, network architectures, cybersecurity technologies, compliance requirements, workflow automation, data validation, and model evaluation.
- Strong analytical, communication, organizational, interpersonal, customer relationship, and independent problem-solving skills.
Benefits
- Remote position.
- Direct-hire placement with a privately held company within the business group.
- The role requires the ability to obtain and maintain a security clearance.
- Physical demands include extended computer use, occasional confined rack-space work, and lifting requirements described in the posting.
- Reasonable accommodations are available in accordance with applicable laws.
Categories
About ISYS Technologies, Inc.
ISYS Technologies, Inc. (also operating as I2X Technologies) provides engineering, IT, and cybersecurity services to U.S. federal agencies, the Department of Defense, and government space programs. Founded in 1989 and headquartered in Littleton, Colorado, it delivers systems engineering, software, cloud, data, and network operations support across programs nationwide. The company is privately held and part of OSC Global, operating primarily through government contracts and long-term program support.