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CACI International Inc · 1 month ago

Cloud Systems Administrator

Laurel, MD

Full-time

Onsite

Senior Level

$104K/yr - $218K/yr

5+ years exp

CACI International Inc is an innovative company focused on providing critical support to national security missions. They are seeking a Cloud Systems Administrator to join their dynamic Infrastructure team, where the role involves maintaining Linux virtual machines, monitoring performance, and supporting data integration efforts.

Information TechnologyService IndustrySoftware

Comp. & Benefits

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Linux VM Administration: Secure and maintain Linux virtual machines (RHEL 8/9, CentOS 7) across various cloud platforms

Monitoring & Troubleshooting: Ensure the health and performance of production Linux VMs and Kubernetes clusters using tools like Rancher and Kubernetes

Data Integration Support: Manage Apache NiFi deployments, performing configuration updates, monitoring data flows, and resolving issues

Automation: Execute and maintain Ansible playbooks for configuration management and deployment tasks

Certificate Management: Oversee the full certificate lifecycle, ensuring systems adhere to security and compliance standards

System Updates: Perform software updates, patching, and system hardening through YUM and enterprise repositories

Collaborative Support: Work directly with development teams and end-users to provide operational support, from simple configurations to complex cluster builds

Performance Analysis: Analyze logs, troubleshoot performance issues, and identify root causes of problems at VM, container, or application levels

Qualification

KubernetesAnsibleLinux VM AdministrationHadoop ManagementAWSDockerApache NiFiSecurity HardeningTroubleshootingCertificate ManagementPerformance AnalysisCollaborationContinuous Learning

Required

An active NSA TS/SCI with Polygraph

Bachelor's degree in Computer Science or a related field, or equivalent experience. 4 years of additional experience may substitute for a bachelor's degree

5 years of experience managing and monitoring large Hadoop clusters (>200 nodes)

Proven troubleshooting experience with VMs and applications

Experience with Kubernetes, Docker, and Rancher

Familiarity with Apache NiFi or similar data integration tools

Working knowledge of Ansible for automation

Hands-on experience managing VMs in OpenStack, VMware, or AWS

Ability to troubleshoot SSH, performance, and network-related issues

Experience with security hardening (STIG, STE/STN) and compliance documentation (SSP)

Active Security+ certification

Preferred

Advanced Ansible automation experience

PKI/Certificate management experience

Familiarity with Grafana, Rook-Ceph, and Git

Exposure to AWS services (EC2, RDS, etc.)

Understanding of NiFi architecture and dataflow troubleshooting

Proven ability to work collaboratively while managing independent tasks

Hadoop/Cloud System Administration Certification is a plus

Benefits

Healthcare

Wellness

Financial

Retirement

Family support

Continuing education

Time off benefits

Company

CACI International Inc

Glassdoor4.0

At CACI International Inc (NYSE: CACI), our 25,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security.

Founded in 1962

Arlington, Virginia, USA

10001+ employees