Senior AWS Cloud Engineer — Chantilly, VA, US

Job Title: Senior AWS Cloud Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking a Senior AWS Cloud Engineer to lead the design, implementation, modernization, and optimization of enterprise-scale cloud environments supporting mission-critical programs. This role is ideal for a seasoned cloud professional who combines deep AWS expertise with strong Infrastructure as Code, automation, and cloud architecture experience. As a senior member of the team, you will serve as a technical leader responsible for driving cloud engineering best practices, influencing architectural decisions, mentoring engineers, and developing scalable, secure, and resilient cloud solutions. You will collaborate closely with cybersecurity, DevOps, software engineering, and program leadership teams to deliver innovative solutions that advance mission objectives. If you are passionate about cloud transformation, automation, operational excellence, and solving complex technical challenges at scale, we invite you to help shape the future of our cloud capabilities. Responsibilities: Lead the architecture, design, deployment, and optimization of AWS cloud environments supporting production and mission-critical workloads. • Develop and implement scalable Infrastructure as Code (IaC) solutions using Terraform, including reusable modules, version-controlled deployments, and automation frameworks. • Serve as a cloud subject matter expert, providing technical leadership and guidance across engineering teams. • Design and implement secure, resilient, and highly available cloud-native platforms that align with organizational security and compliance requirements. • Lead cloud migration, modernization, and transformation initiatives across legacy and cloud-native environments. • Develop and optimize CI/CD pipelines to automate infrastructure delivery and improve deployment velocity. • Establish and maintain cloud governance standards, reference architectures, and engineering best practices. • Evaluate emerging cloud technologies and recommend solutions that improve scalability, operational efficiency, security, and cost effectiveness. • Drive observability strategies through monitoring, logging, alerting, and performance optimization initiatives. • Conduct root cause analysis for complex infrastructure incidents and implement long-term corrective actions. • Partner with cybersecurity teams to strengthen cloud security posture, IAM governance, vulnerability remediation, and compliance efforts. • Mentor junior and mid-level engineers while fostering a culture of automation, innovation, and continuous improvement. • Support production operations and provide technical leadership during critical incident response activities. Qualifications Required:    Active TS/SCI w/ polygraph security clearance • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field; equivalent experience may be substituted. • 8+ years of experience in cloud engineering, infrastructure engineering, DevOps, or related technical disciplines. • 5+ years of hands-on AWS experience designing, implementing, and supporting enterprise cloud environments. • Extensive experience with AWS services including: EC2 VPC IAM Route 53 S3 RDS Lambda ECS/EKS CloudWatch ALB/NLB CloudTrail Config Organizations KMS Security Hub GuardDuty • Advanced Terraform experience, including modular design, state management, automation, and enterprise-scale Infrastructure as Code practices. • Strong experience building and maintaining CI/CD pipelines using GitHub Actions, GitLab CI, Jenkins, Azure DevOps, or similar platforms. • Deep understanding of cloud networking, DNS, load balancing, network segmentation, and hybrid-cloud architectures. • Strong Linux administration and troubleshooting experience. • Experience implementing monitoring, logging, observability, and operational excellence frameworks. • Strong understanding of cloud security principles, Zero Trust concepts, IAM governance, compliance frameworks, and security automation. • Demonstrated experience leading technical initiatives and collaborating across multiple engineering disciplines. ​ Desired : • AWS Certified Solutions Architect Professional. • AWS Certified DevOps Engineer Professional. • Kubernetes experience, preferably Amazon EKS. • Experience with Docker and containerized application platforms. • Proficiency in Python, Bash, PowerShell, or other automation and scripting languages. • Experience implementing FinOps practices and cloud cost optimization strategies. • Experience supporting high-availability production environments with uptime, reliability, and incident response requirements. • Familiarity with FedRAMP, NIST 800-53, RMF, or other government cybersecurity frameworks. • Prior experience mentoring engineers and providing technical leadership within cloud engineering teams. - What You Can Expect:  A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $90,300-$189,600 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.