Sr. Systems Engineer Linux
Company: Techsur Solutions Llc
Location: Reston
Posted on: April 3, 2026
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Job Description:
Job Title: Sr. Systems Engineer – Linux Location: Reston, VA
(Hybrid – 3x/Week) Salary: DOE full benefits Clearance: Active
Public Trust (or ability to obtain) Overview: TechSur Solutions is
a digital services company whose mission is to enable digital
transformation for our customers to improve quality and efficiency.
Based in the DC metropolitan area, TechSur specializes in advanced
cloud services, modernization for both IT structures and
applications, leveraging Agile development, and Data Analytics.
Since we were formed in August of 2016, we have supported multiple
impactful and exciting government programs. Job Summary We are
seeking an experienced Sr. Systems Engineer – Linux with 8 years of
hands-on experience in managing enterprise IT infrastructure, Linux
systems, and cloud environments. The ideal candidate will have
strong expertise in RHEL administration, automation using Ansible,
cloud platforms (AWS, Azure), and application server management.
This role involves close collaboration with clients, application
teams, and cloud engineers to ensure high availability,
performance, and security of systems. Key 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
(RHEL 7 to RHEL 8), OS 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 services migration tool installation 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) Lead and contribute to
Oracle database migration (11g to 12c) using automated deployment
tools Migrate web applications from WebSphere 7 to Tomcat 8,
including deployment to AWS cloud Upgrade and 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 Required Skills &
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
Education Bachelor’s degree in information technology, Computer
Science, or related field (preferred)
Keywords: Techsur Solutions Llc, Washington DC , Sr. Systems Engineer Linux, IT / Software / Systems , Reston, DC
