Sr. Systems Engineer Linux

1/24/2026

The Sr. Systems Engineer will maintain and support IT infrastructure, including server hardware and Linux operating systems, while ensuring high availability and performance. This role also involves developing automation scripts and managing cloud environments.

Working Hours

40 hours/week

Company Size

51-200 employees

Language

English

Visa Sponsorship

About The Company

TechSur Solutions (SDB, 8(a), EDWOSB, WOSB): a strategic provider of emerging technology and digital transformation services for federal agencies, specializing in comprehensive solutions across application modernization, data services, and artificial intelligence. TechSur’s main capabilities include Artificial Intelligence, Customer Experience, Digital Services, Low-Code/No-Code Development, Strategic Communications, and Technology Consulting, all applied with approaches centering on Agile Methodologies and DevSecOps. Recognitions: TechSur Solutions has been recognized twice on the Washington Technology's Fast50 list of fastest-growing small Government Contractor and placed on the Inc. 5000 list for 2 consecutive years. We are proud to be an OrangeSlices 2024 Elev8 GovCon honoree, recognizing government contractors who are “doing it right” in 8 key areas. Additionally, both an Artificial Intelligence solution delivered by TechSur Solutions and a digital modernization solution were honored with a FORUM Disruptive Technology Award, recognizing innovators who are positively transforming how Government fulfills its missions. Careers: Join a team of technical experts passionate about making a significant impact with software solutions. Beware of recruitment scams; genuine TechSur job offers only come through ADP. We never request financial commitments during the hiring process. Certifications & Vehicles: * ISO Certifications: ISO 9001:2015, ISO 27001:2022, ISO 20000-1:2018 * CMMI Levels: CMMI SVC ML3, CMMI DEV ML3 * Federal Contracting Vehicles: GSA MAS, GSA 8(a) STARS III, GSA Oasis+, Navy SeaPort NxG * UEI (SAM): NAQUNHC61KN9 * CAGE Code: 81J81 Partnerships: * Joint Ventures: Collaborations with Guidehouse (TechSur-Guidehouse JV) and REI Systems (FusionEdge Solutions) * Technology Partner Programs: Google Cloud, AWS, Oracle Cloud, Databricks, OutSystems, Salesforce, Snowflake, Datadog * Professional Associations: AFCEA, GTSC

About the Role

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)

Key Skills

Linux Systems EngineeringRHEL AdministrationAnsible AutomationAWSAzureOpenShiftApacheTomcatJBOSSWebSphereCloud MigrationsApplication ModernizationCI/CDDevOpsTroubleshootingClient Communication