Senior Linux/DevOps Engineer — Kubernetes & Automation

Power3 Solutions; Laurel (MD); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health benefits

401k

Paid time off

Career development

Referral bonuses

Job summary

Power3 Solutions in Laurel, MD seeks an Application Engineer 4 (Linux/DevOps) to support Linux VMs, Kubernetes clusters, and containerized workloads across multiple hosting platforms. The role requires TS/SCI with polygraph and hands-on experience with automation, cloud platforms, and security hardening.

The engineer will maintain Ansible playbooks, troubleshoot VM and cluster health, and collaborate with development teams to implement complex deployments and secure, scalable systems.

Qualifications

• Twelve (12) years minimum experience and a High School Diploma/GED.
• Ten (10) years minimum experience and an Associate's Degree.
• Eight (8) years minimum experience and a Bachelor's Degree.
• Six (6) years minimum experience and a Master's Degree.
• Four (4) years minimum experience and a Doctorate's Degree.
• Troubleshooting experience (VM & application logs)
• Strong Linux skills (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 (STIG, STE/STN) and maintaining compliance documentation (SSP)
• Experience with network flow monitoring tools
• Monitoring and managing production Linux VMs
• Active Security + Certification

Responsibilities

• Server Certificate life cycle, monitoring VM health status, update software on VMs (manually and through YUM repos)
• Monitoring and managing production Linux VMs - stand-alone VMs and those integrated in a Kubernetes cluster – across multiple hosting platforms
• Maintain Ansible playbooks to push out changes to VMs and monitor the Kubernetes clusters through Rancher or Kubernetes commands to ensure the clusters nodes and pods are healthy and running smooth
• Troubleshoot production Linux VMs and Kubernetes clusters, ensuring node and pod health through Rancher or Kubernetes
• Support Apache NiFi deployments—performing configuration updates, monitoring dataflows, and resolving connectivity or resource-related issues
• Manage the full certificate lifecycle (server and PKI), ensuring systems meet current security and compliance standards (STIG/SSP)
• Perform software updates, patching, and system hardening through YUM and enterprise repositories
• Work directly with development teams and end users to deliver 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

Skills

Linux

Kubernetes

Docker

Rancher

Ansible

OpenStack

AWS

VMware

NiFi

Security (STIG/SSP)

SSH

Python

Red Hat cert

Networking

Education

High School Diploma/GED

Associate's Degree

Bachelor's Degree

Master's Degree

Doctorate

Tools

Kubernetes

Docker

Rancher

OpenStack

VMware

AWS

Ansible

Job description

Power3 Solutions in Laurel, MD seeks an Application Engineer 4 (Linux/DevOps) to support Linux VMs, Kubernetes clusters, and containerized workloads across multiple hosting platforms. The role requires TS/SCI with polygraph and hands-on experience with automation, cloud platforms, and security hardening.

The engineer will maintain Ansible playbooks, troubleshoot VM and cluster health, and collaborate with development teams to implement complex deployments and secure, scalable systems.