Senior Linux & Kubernetes Engineer (TS/SCI)

Quevera, LLC.; Laurel (MD); On-site; USD 156,000 - 206,000; Full time

Benefits offered by this job

100% employer-paid medical coverage (+

Education, training and certifications

$5,000 annually for education

iQTouch Program

6% 401(k) match

4% profit-sharing contribution

Job summary

Quevera, LLC. seeks a Senior Linux & Kubernetes Engineer in Laurel, MD to manage production Linux VMs and Kubernetes environments across OpenStack, VMware, and AWS.

The role requires a TS/SCI clearance with Polygraph and deep expertise in RHEL 8/9, Kubernetes, Docker, Rancher, and automation with Ansible. You will lead VM administration, certificate lifecycle, security hardening, and NiFi deployments, while collaborating with development teams to support complex cluster builds and

Qualifications

• Active TS/SCI clearance with Polygraph.
• Strong Linux skills with RHEL 8/9.
• Experience with Kubernetes, Docker, and Rancher for containerized workloads.
• Hands-on experience managing VMs in OpenStack, VMware, or AWS.
• Familiarity with Apache NiFi or similar data‑integration tools.
• Experience applying security hardening, including STIG and SSP, and maintaining compliance documentation.
• Active Security+ certification.

Responsibilities

• Monitor and manage production Linux VMs, including stand-alone VMs and those integrated within Kubernetes clusters, across multiple hosting platforms.
• Administer, secure, and maintain RHEL 8/9 Linux virtual machines across OpenStack, VMware, and AWS.
• Manage the server certificate lifecycle and monitor VM health status.
• Update software on VMs manually and through YUM repositories and ensure VMs satisfy current security requirements.
• Maintain Ansible playbooks to push changes to VMs.
• Monitor Kubernetes clusters through Rancher or Kubernetes commands to ensure cluster nodes and pods are healthy and running smoothly.
• Troubleshoot production Linux VMs and Kubernetes clusters, including node and pod health.
• Support Apache NiFi deployments by performing configuration updates, monitoring dataflows, and resolving connectivity or resource-related issues.
• Manage the full server and PKI certificate lifecycle, ensuring systems meet current security and compliance standards, including STIG and SSP.
• Perform software updates, patching, and system hardening through YUM and enterprise repositories.
• Work directly with development teams and end users to provide operational support ranging from basic configuration changes to complex cluster builds.
• Analyze logs, troubleshoot performance issues, and identify root causes of VM, container, or application-level problems.
• Active TS/SCI clearance with Polygraph.
• Troubleshooting experience with VM and application logs, including tracking down the sources and causes of VM or application issues.
• Strong Linux skills with RHEL 8/9.
• Experience with Kubernetes, Docker, and Rancher for containerized workloads.
• Familiarity with Apache NiFi or similar data‑integration tools.
• Working knowledge of Ansible for automation and configuration management.
• Hands‑on experience managing VMs in OpenStack, VMware, or AWS.
• Ability to troubleshoot SSH, performance, and network-related issues in Linux environments.
• Experience applying security hardening, including STIG and STE/STN, and maintaining compliance documentation, including SSP.
• Experience with network flow monitoring tools.
• Active Security+ certification.

Skills

Python

Linux system administration

RHEL 8/9

DevOps

Security best practices

Education

12+ years experience with High School Diploma

10+ years experience with Associate's degree

8+ years experience with Bachelor's degree

6+ years experience with Master's degree

4+ years experience with Doctorate degree

IAT Level II certification (50% of positions)

Tools

Kubernetes

Docker

Rancher

OpenStack

VMware

AWS

Ansible

Apache NiFi

Job description

Quevera, LLC. seeks a Senior Linux & Kubernetes Engineer in Laurel, MD to manage production Linux VMs and Kubernetes environments across OpenStack, VMware, and AWS.

The role requires a TS/SCI clearance with Polygraph and deep expertise in RHEL 8/9, Kubernetes, Docker, Rancher, and automation with Ansible. You will lead VM administration, certificate lifecycle, security hardening, and NiFi deployments, while collaborating with development teams to support complex cluster builds and