Cloud Infrastructure Engineer - OpenSearch with Security Clearance

Cloud Infrastructure Engineer – OpenSearch Focus (TS/SCI+)
Overview
We are seeking a Cloud Infrastructure Engineer with a focus on OpenSearch and AWS-based infrastructure to support secure, mission-critical programs. This role will center on building and operating scalable search and analytics platforms while supporting broader cloud infrastructure, DevOps practices, and compliance requirements in a classified environment. The ideal candidate has strong experience across AWS infrastructure, OpenSearch/Elasticsearch ecosystems, Kubernetes, and federal compliance frameworks, and is comfortable operating in air-gapped, high-security environments. Key Responsibilities
OpenSearch & Infrastructure
Design, deploy, and maintain OpenSearch clusters in AWS environments Optimize cluster performance, indexing strategies, and query performance Configure scaling, storage, and high availability for distributed search platforms Build and maintain dashboards and observability solutions for OpenSearch environments Integrate OpenSearch with data pipelines and external systems AWS Infrastructure & Foundational IT
Design and automate AWS infrastructure using Terraform (IaC), including landing zones and account provisioning Configure and manage AWS networking components, including VPCs, Transit Gateways, and IPsec VPNs Implement monitoring and observability using CloudWatch dashboards Develop cost and financial management dashboards using AWS tools such as Cost Explorer Integrate AWS environments with enterprise identity providers using SAML, OIDC, and PKI Utilize AWS security services including Security Hub, GuardDuty, and Config for compliance and monitoring Support foundational IT services including DNS, NTP, LDAP, and Active Directory Operate within classified and air-gapped environments, addressing infrastructure constraints DevOps & Platform Engineering
Configure and manage Kubernetes clusters Containerize legacy applications into Docker (OCI) containers Integrate third-party tools within Kubernetes ecosystems Manage container networking, storage, and load balancing solutions Support automation and modern DevOps practices across environments Security & Compliance
Support implementation of controls aligned with NIST 800-53 Ensure compliance with DoD CC SRG IL4/IL5/IL6 requirements Collaborate with government stakeholders to support ATO (Authority to Operate) processes Maintain system inventory and support continuous monitoring initiatives Required Qualifications
Active TS/SCI+ U.S. Government security clearance (required) 5+ years of experience in infrastructure architecture, networking, and database systems 3+ years of experience in: Cloud architecture and implementation Designing and deploying distributed applications Software development tools and DevOps methodologies Hands-on experience with OpenSearch (or Elasticsearch) in production environments Strong experience with AWS services including EC2, S3, RDS, Lambda, IAM, VPC, and CloudFormation Experience with Terraform and infrastructure automation Experience architecting, deploying, and operating AWS solutions, including: Migrating and modernizing legacy systems Managing highly available, scalable environments Supporting federal security requirements Preferred Qualifications
Experience working in classified or air-gapped environments Prior experience supporting DoD ATO processes (including DOW ATOs) Strong background in Kubernetes and container orchestration Experience integrating enterprise identity providers and PKI with AWS Familiarity with cost optimization and financial governance in AWS Experience with log analytics, observability platforms, or SIEM tools