DevSecOps Lead Engineer

CACI International Inc is seeking a DevSecOps Lead Engineer to provide hands-on technical leadership for a small team and serve as the primary technical contact for infrastructure, automation, and secure software delivery. The role owns the AWS cloud environment, Kubernetes workloads, infrastructure-as-code, CI/CD and GitOps tooling, security controls, automation, and related technical mentoring.

Responsibilities:

• Design, operate, and troubleshoot Kubernetes clusters and Helm-packaged workloads in production
• Own and manage AWS environment state end-to-end; provisioning, configuration, drift detection, cost, and security posture
• This includes infrastructure fully defined and version-controlled in Terraform
• Build and maintain GitLab CI/CD pipelines and operate ArgoCD for GitOps-based continuous deployment
• Write and maintain Python tooling and automation for infrastructure and operational workflows
• Serve as the senior technical escalation point for the team and the broader program on infrastructure, DevOps, and security question
• Embed security throughout the development and delivery lifecycle; secrets management, least-privilege IAM, vulnerability scanning, policy-as-code, compliance controls
• Advise on integrating LLM/AI-based tooling and workflows into engineering practices where it adds value
• Mentor team members on infrastructure-as-code, Kubernetes, and CI/CD best practices

Requirements:

• 7+ years in DevOps/DevSecOps, cloud infrastructure, or SRE roles
• Deep, hands-on AWS expertise (compute, networking, IAM, storage) at production scale
• Strong proficiency with Terraform, Kubernetes, and Helm in production
• Proficiency in Python for automation and tooling
• Experience building and maintaining GitLab CI/CD pipelines
• Hands-on experience with ArgoCD or comparable GitOps tooling
• Working knowledge of LLM/AI concepts (model deployment, prompting, RAG, cost/latency trade-offs) sufficient to guide engineering decisions involving AI tooling
• Demonstrated ability to operate as the senior/primary technical resource for a small team
• U.S. citizenship and eligibility to obtain/maintain a Top Secret clearance
• AWS Certified Solutions Architect/DevOps Engineer, CKA/CKAD, or HashiCorp Terraform Associate
• Prior experience on federal/government cloud programs
• Familiarity with compliance frameworks (NIST 800-53, FedRAMP, etc.)
• Experience integrating LLM-based tooling into CI/CD or engineering workflows