Linux Engineer - TS/SCI w/ Poly

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:IT Infrastructure and OperationsJob Qualifications:Skills:Communication, Linux, Splunk (Inactive), TeamworkCertifications:NoneExperience:15 + years of related experienceUS Citizenship Required:YesJob Description:The Linux Engineer position will apply expertise in the installation, configuration, operations, and maintenance of both Windows - and Linux - based architectures. The Linux Engineer will focus on improving the stability and performance of the platform, maintaining and improving the security posture of the domain, as well as utilizing Splunk for continuous monitoring of system health, and troubleshooting issues that arise. This individual is accountable for Splunk, Linux, Windows, and application systems that support the infrastructure. Responsibilities on these systems include SA engineering, operations and maintenance, and research and development to ensure continual operation. The individual must be proficient in building, documenting, and providing tier 3 engineering support.The position requires deep technical knowledge of systems, networks, and application security as well as a solid understanding of enterprise-level security frameworks, policies, processes, and standards. The candidate must have strong analytical skills for troubleshooting complex issues, attention to detail, and the ability to multitask in a fast-paced environment. Key duties include maintaining operating systems, application support, integration, design, and assistance with additional duties as needed to support the team.HOW A LINUX ENGINEER WILL MAKE AN IMPACT:Provide daily operational support for Linux and Microsoft Windows operating systems and applicationsSupport a virtual infrastructure of 700 servers running CentOS and Rocky 8 in a dev, test, and production configuration, and support an infrastructure of 60 different applications comprising of end user applications, developer tools and infrastructure support applications.Maintain the current virtual machine infrastructure, provide support to the remote users, and complete tasking to create new VM'sUpgrade the VMWARE infrastructureDevelop and maintain standards and procedures for applications across a complex computing infrastructureDevelop and maintain comprehensive documentationMonitor application and operating system performance and analyze and document problemsDevelop and oversee implementation of testing strategies and document the resultsLeverage scripting and system automation toolsMaintain current knowledge of relevant technologiesResearch and recommend hardware and software, coordinate installation, and provide backup recoveryInteract with users and evaluate vendor productsReview problems to understand the root causes of issues and ensure implementation of proper fixesCollaborate with system administrators, engineers, and the client to ensure proper integration of applicationsWHAT YOU’LL NEED TO SUCCEED:Demonstrated experience with Microsoft Window Server versions 2008, 2012, 2016, and 2019Demonstrated experience with SCCM, WDS, MS SQL server, Exchange, Powershell, batch scriptingDemonstrated experience with SCOM and MIMITIL Foundations Certification a plusCertifications relating to IT Security (CISSP, GIAC, Security+) a plusWHAT YOU BRING TO THE TABLE:15+ years of related experienceBachelor’s degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical training, or work/military experienceActive TS/SCI with SCI Polygraph clearanceCertified Linux System AdministratorExtensive experience with Centos, Rocky 8Demonstrated experience with VMWare ESXi infrastructure 6.x + vCenter server, host clustering with HA, DRS, replicationDemonstrated experience with Docker,Elasticsearch,Kafka, and basic Linux skills for latest versions of CentOS/Rocky 8Upgrading VMWare infrastructureDemonstrated experience with VMWare TanzuDemonstrated experience in server builds using automated mechanismDemonstrated experience with Ansible playbooks for virtual and physical instance provisioning, configuration management and patching and software developmentDemonstrated experience with Ansible with RundeckDemonstrated experience with Atlassian JiraDemonstrated experience collaborating with other systems administrators, storage administrators, application developers, and network engineers to solve complex problemsLocation: At Customer Site - near Tysons CornerGDIT IS YOUR PLACE:● 401K with company match● Comprehensive health and wellness packages● Internal mobility team dedicated to helping you own your career● Professional growth opportunities including paid education and certifications● Cutting-edge technology you can learn from● Rest and recharge with paid vacation and holidays#OpportunityOwned#GDITCareers#WeAreGDIT#cjpost#GDITPolyEvent#JETThe likely salary range for this position is $178,500 - $241,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA McLeanAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events /tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans #J-18808-Ljbffr

Created: 2025-09-17