Senior Cloud Infrastructure Engineer

Overview

REI Systems’ mission is to deliver reliable, innovative technology solutions that advance Federal clients' missions and exceed their expectations. Our technologists and consultants are passionate about solving complex challenges that impact millions of lives. We take a Mindful Modernization® approach in delivering our services, including application modernization, grants management, case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes through people, processes, and technology.

We offer the same commitment to our employees by providing professional development, meaningful projects, and flexibility to spend time with family and friends. We believe employees are at their best when fulfilled in both their professional careers and their personal lives. Learn more at  voted REI Systems a Washington Post Top Workplace in 2015, 2016, 2018, 2020, 2021, 2022, 2023, 2024, and 2025!

We are seeking a Senior Cloud Engineer to design, implement, and optimize secure, cost-effective cloud infrastructure for Federal agency environments. This role requires the ability to independently lead engineering initiatives from concept through implementation with minimal oversight, while collaborating cross-functionally to meet mission-critical objectives in a multi-vendor, compliance-driven landscape

• Independently lead the design, implementation, and delivery of scalable, secure, and cost-effective cloud infrastructure solutions, taking full ownership from planning through execution
• Evaluate on-premises infrastructure and applications to determine migration requirements, including documentation of current-state and target-state architecture, and development of compute and cost estimates
• Design and implement cloud-native application architecture, ensuring compliance with Federal security and operational requirements
• Perform Right-sizing analysis of cloud resources to optimize performance and cost, leveraging tools such as AWS Trusted Advisor and AWS Cost Explorer
• Implement AWS tagging strategies to enable cost allocation, billing breakdown by project/team/environment, and accurate chargeback/showback reporting
• Implement and maintain cloud security best practices, including configuration monitoring and compliance auditing via AWS Config
  , IAM policy management, and continuous vulnerability assessment
• Build and maintain Dashboards and Reporting for infrastructure health, cost, security posture, and performance using tools such as Prometheus, Grafana
  , and native AWS monitoring services
• Collaborate with architecture, operations, security, data center, and product development teams to translate platform requirements into cloud-native solutions that support mission objectives
• Develop and maintain network diagrams, runbooks, and support procedures for cloud and on-premises infrastructure
• Monitor network availability, capacity utilization, and system performance to meet committed SLAs and quality-of-service objectives
• Define and drive adoption of key architectural design patterns across all environment stakeholders
• Advise Federal agency leadership on cloud strategy, options analysis, and alignment with agency strategic plans
• Maintain and share best practices in cloud performance measurement, migration methodology, and implementation, informed by current industry trends
• Provide expertise in operational metrics, observability, and site reliability engineering (SRE) practices

• Minimum 8 years of professional experience across various phases of cloud engineering projects
• 5+ years of hands-on AWS…