Cloud Systems Administrator

Join to apply for the Cloud Systems Administrator role at CACI International Inc

18 hours ago Be among the first 25 applicants

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

Are you passionate about technology and eager to make a significant impact? We invite you to become a vital part of our innovative Infrastructure team. In this role, you’ll have the unique opportunity to work collaboratively and independently on diverse and challenging tasks that support our customers’ needs and drive our development team’s success.

• Diverse Tech Stack:
  Gain hands‑on experience with cutting‑edge technologies across multiple hosting platforms, including Open Stack, AWS, and VMware, all while supporting Linux VMs.
• Continuous Learning:
  Dive deep into VM Management and Dev Ops, exploring areas that truly interest you and expanding your skill set.
• Collaborative Environment:
  Work with a talented team that values your input and encourages professional growth.

• 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.

• 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 Open Stack, 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.

• 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.

If you’re ready to take your career to the next level in a supportive, innovative, and dynamic environment, we want to hear from you. Apply now and become an essential part of our Infrastructure team! This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.

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.

CACI values the unique…