AWS Cloud Security Engineer

AWS Cloud Security Engineer Quevera is seeking an AWS Cloud Security Engineer with an active TS/SCI clearance to support security architecture, automation, compliance, and security posture management across a complex, multi-vendor AWS environment. The position supports work across Herndon, Virginia; Springfield, Virginia; Denver, Colorado; and Seattle, Washington, with work split approximately 80% low-side and 20% high-side. Remote work is acceptable, but candidates must be willing and able to work from AWS SCIFs as required. Job Responsibilities: Design and implement intelligent model-routing logic using ML-based classification to route requests to appropriate LLMs based on conversational context, task complexity, and performance requirements. Build and maintain orchestration layers using AWS Bedrock, LangChain, or custom frameworks to support multi-model workflows. Train, evaluate, and iterate on classification models using evaluation frameworks and feedback loops. Architect conversation-context analysis, retrieval, and embedding strategies to interpret user intent across multi-turn interactions. Develop prompt-engineering standards and context-window management techniques supporting intent classification and routing. Architect enterprise-scale GenAI solutions with high availability, performance optimization, and cost management. Apply GenAI platform practices including observability, model evaluation, guardrails, responsible AI controls, and versioning. Design and maintain data extraction and transformation pipelines supporting model training, evaluation, and enterprise application integration. Engage with customer stakeholders and technical counterparts to gather requirements, validate solutions, and participate in Agile/Scrum ceremonies. Collaborate with the Engagement Manager to track progress and risks and produce technical documentation, architecture diagrams, and handoff artifacts. Minimum Requirements: Develop reusable Infrastructure as Code (IaC) and cross-account integrations to standardize and centralize security services across a complex, multi-vendor environment with distributed AWS accounts under an externally managed organization. Assess current security posture and drive vendor alignment with organizational standards. Help shape government security processes and support the production of compliance artifacts, including IATTs and ATOs. Integrate distributed logging to a centralized reviewer (C5ISR). Desired Skills: Active TS/SCI clearance required. Must be willing and able to work from AWS SCIFs as required. Candidates must be local to Herndon, Virginia; Denver, Colorado; or Seattle, Washington. Work Location: AWS IAD21 – Herndon, Virginia Customer Site – Springfield, Virginia Denver, Colorado Seattle, Washington Work split: approximately 80% low-side / 20% high-side. Remote work is acceptable, with attendance at AWS SCIFs as required. Why Join Quevera? Award-Winning Culture Quevera was recognized as a Top Workplace in the Washington, DC/Baltimore region for 2025, marking our fifth consecutive year receiving this distinction based on employee feedback. Outstanding Benefits We invest in our employees and their families through a highly competitive benefits package, including: 100% employer-paid medical coverage (optional plan) Competitive options for Medical, Dental and Vision insurance Employer-paid short-term and long-term disability coverage Employer-paid life insurance $5,000 annually for education, training, certifications, and professional development Career advancement through our structured iQTouch Program Up to 6% 401(k) match Additional 4% profit-sharing contribution, at company discretion At Quevera, we believe exceptional people deserve exceptional opportunities. We're more than just a workplace—we're a team of innovators, problem-solvers, and industry experts committed to delivering mission-critical solutions while fostering professional growth, collaboration, and technical excellence. Quevera is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age or any other characteristic protected by law. #LI-AA1 Quevera