Senior Linux Systems Engineer - Cloud & Automation Pro

TechSur Solutions, LLC; Reston (VA); On-site; USD 105,000 - 110,000; Full time

Job summary

TechSur Solutions, LLC seeks an experienced Sr. Systems Engineer - Linux to lead and manage enterprise IT infrastructure, Linux systems, and cloud environments in a client-facing role.

You will drive RHEL administration, Ansible automation, and middleware management with Apache, Tomcat, JBOSS, and WebSphere. Collaborate with clients and cloud engineers to ensure high availability, performance, and security across on-prem and cloud platforms (AWS/Azure/OpenShift).

Qualifications

• 8+ years of experience as a Linux Systems Engineer / Administrator
• Strong expertise in RHEL (7, 8, 9) administration
• Hands-on experience with Ansible automation and Ansible Tower
• Experience with AWS and Azure cloud platforms
• Knowledge of OpenShift container platform
• Strong understanding of application servers: Apache, Tomcat, JBOSS, WebSphere
• Experience with cloud migrations and application modernization
• Familiarity with CI/CD and DevOps tools
• Strong troubleshooting and client communication skills

Responsibilities

• Maintain and support IT infrastructure including server hardware and Linux operating systems
• Perform installation, configuration, patching, and upgrades of Linux OS (RHEL 7, 8, 9)
• Install, configure, and manage middleware components such as Apache, Tomcat, JBOSS, WebSphere
• Develop and maintain Ansible playbooks for OS upgrades, hardening, and automation tasks
• Experience with Ansible Tower / AWX for configuration management and orchestration
• Build and manage virtual machines in Azure Cloud, including mobility and service migration tools
• Provide guidance and implementation support for OpenShift and Azure cloud environments
• Interact with clients to resolve system, application, and infrastructure-related issues
• Analyze application performance and ensure availability and performance objectives are met using monitoring and performance tools (AWS)
• Manage DevOps and CI/CD tools such as Ansible, Puppet, Jenkins, OpenShift, AWS CodeDeploy
• Develop AWS CloudFormation templates to automate EC2 provisioning, software installation, and service startup
• Deploy and manage application updates across different versions on JBOSS and Tomcat environments
• Ensure system security, compliance, and best practices across on-prem and cloud platforms

Skills

Linux systems engineering

RHEL administration

Ansible automation

AWS

Azure

OpenShift

Application servers

CI/CD

DevOps

Troubleshooting

Tools

Ansible Tower/AWX

Jenkins

Puppet

OpenShift

AWS CloudFormation

Job description

TechSur Solutions, LLC seeks an experienced Sr. Systems Engineer - Linux to lead and manage enterprise IT infrastructure, Linux systems, and cloud environments in a client-facing role.

You will drive RHEL administration, Ansible automation, and middleware management with Apache, Tomcat, JBOSS, and WebSphere. Collaborate with clients and cloud engineers to ensure high availability, performance, and security across on-prem and cloud platforms (AWS/Azure/OpenShift).