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# Senior Software Engineer

- **Company:** AQUA IT
- **Location:** Springfield, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Audit Trail, Automation of Tests, Databases, Continuous Integration, Python (Programming Language), Key Management, Search Technologies, Software Engineering, Systems Integration, Enterprise Software Applications, Retrieval-Augmented Generation, Git, Kubernetes, Data Management, Virtual Agents, Api Design, Model Context Protocol, Devsecops, Human in the Loop, Microservices
- **Published:** October 23, 2026
- **Apply:** https://www.thejobnetwork.com/job/9e7a0382-4f7b-4a92-b0bd-a6dd4307fb02/senior-software-engineer

## About the Role

* Active TS/SCI (eligible for CI Poly)
 * 9-13 years of data science/software development experience
 * Experience designing and developing production software that orchestrates multiple services, tools, or data sources.
 * Experience implementing agentic workflows with bounded tool use and human-in-the-loop controls.
 * Proficiency in Python, Java, or another enterprise programming language.
 * Experience developing APIs, microservices, event-driven integrations, and asynchronous workflows.
 * Experience implementing workflow state, conditional execution, retries, timeouts, idempotency, and failure recovery.
 * Experience integrating approved SI or large language model services into enterprise applications.

 * Understanding of retrieval-augmented generation, embeddings, vector search, semantic retrieval, and intelligent agents.
 * Experience implementing authentication, authorization, secrets management, audit logging, and data-protection controls.
 * Experience with containers, Kubernetes, Git, automated testing, CI/CD, and observability.
 * Ability to convert domain-expert requirements and policies into version-controlled workflow logic.
 * Strong systems-integration, troubleshooting, documentation, and communication skills.

## Description

* Design and implement agentic workflows that coordinate approved services, tools, data sources, and human actions.
 * Develop reusable orchestration components, APIs, connectors, tool interfaces, and workflow templates.
 * Develop, secure, test, and operate Model Context Protocol (MCP) servers and tools for approved enterprise services and data sources.
 * Implement workflow state management, conditional routing, retries, timeouts, error handling, and recovery.
 * Integrate approved SI and large language model services into enterprise applications.
 * Implement retrieval-augmented generation, semantic search, and knowledge-retrieval capabilities.
 * Establish human review, approval, escalation, and override controls.
 * Enforce authorization, data-handling, and operational boundaries throughout workflow execution.
 * Preserve citations, provenance, workflow configurations, source versions, and audit records.
 * Protect workflows from untrusted inputs, prompt injection, unauthorized tool use, and data disclosure.
 * Test workflow logic, tool interactions, failure conditions, security boundaries, and end-to-end behavior.
 * Deploy and operate SI-enabled applications on containerized enterprise platforms.
 * Establish CI/CD and DevSecOps automation for SI-enabled applications and services.
 * Monitor workflow availability, latency, resource consumption, errors, and integration health.
 * Troubleshoot application, platform, database, and service-integration issues.
 * Support deployment in classified, disconnected, and air-gapped environments.
 * Produce architecture diagrams, interface specifications, deployment instructions, and operational documentation.
 * Collaborate with domain experts to translate approved mission requirements and policies into technical workflows.