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Senior Linux System Administrator

Leidos

Orlando, Florida, USA

Full-time

Are you an experienced Senior Linux System Administrator looking for your next challenge? Your search ends here! We have an exciting opportunity for you to support several Programs in the Orlando Area. Your expertise will guide the definition, implementation, and delivery of capability focused on Cyber Training systems and Synthetic Environment Generation. You'll have the chance to work with a broad range of systems, providing overall support for various critical systems. Join our team and make

M3 Systems Administrator (RHEL/Linux) - TS/SCI Required

General Dynamics

Charlottesville, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Active Directory (AD), Disaster Recovery (DR), Linux Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: M3 Systems Administrator (RHEL/Linux) - TS/SCI Required Transform technology into opport

Data Back UP/Compatability Test Engineer/Linux

Case Interactive

Colorado Springs, Colorado, USA

Full-time, Third Party

Job Detail: Senior Quality Assurance Engineer Role Overview: This individual will perform IT related quality assurance functions by testing the Company Linux software application and its Java Graphical User Interface regarding their working with various software backup applications (Dell Avamar, PPDM, Networker; Veritas NetBackup, IBM Spectrum, Commvault Simpana) and their agents. The backup applications are used to save and restore virtual machines (VMware and Microsoft Hypervisor), file system

Senior Software Engineer, Embedded Linux (Hybrid-Puerto Rico)

RTX Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-09 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Collins Aerospace has an exciting opportunity for an experienced Software Engineer. In this

Linux Systems Administrator

GovCIO

San Antonio, Texas, USA

Full-time

Overview GovCIO is currently hiring for Linuxs System Administrator to establish and maintain smooth operation of computer systems (to include operating systems, software and hardware) on AF JWICS networks. This position will be located in San Antonio, TX. and will be an onsite position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, an

Classified Linux Systems Administrator

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Do you thrive in a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership and stake in the overall engineering and operations of the IT infrastructure? Are you interested in learning new technologies and creating new IT capabilities? If so, we're looking for someone like you to apply and join our team at APL! We are ranked as one of Computerworld 's Top Places to Work in IT for 6 years running, and we are seeking a Linux Systems Administrator t

Systems Administrator - Linux/Windows

GovCIO

Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Linux System Administrator

Zachary Piper Solutions, LLC

Aberdeen, Maryland, USA

Full-time

Piper Enterprise Solutions is seeking an Linux System Administrator to join a stable and well known team located at Aberdeen Proving Ground. Responsibilities of the Linux System Administrator: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability. May monitor

Production Reliability Engineer/Linux

Early Warning Services, LLC

Scottsdale, Arizona, USA

Full-time

At Early Warning, we've powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle , Paze?, and so much more. As a trusted name in payments, we partner with thousands of institutions to increase access to financial services and protect transactions for hundreds of millions of consumers and small businesses. Positions located in Scottsdale, San Francisco, Chicago, or New York follow a hybrid work model to allow for a more collaborative working env

Senior Systems Administrator (Linux and Windows)

General Dynamics

Mary Esther, Florida, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Interim Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Virtual Environments, Virtualization, VMware Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Job Description: Seize your opportunity to make a personal impact as a Senior S

Systems Administrator - Linux/Windows

GovCIO

Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Senior Software Engineer - Embedded Linux (Onsite)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-04-23 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Senior Software Engineer - Embedded Linux (Onsite) Job Summary: As a Senior Software Engineer in this organization, you will be

Linux Systems Administrator

Leidos

Pearl City, Hawaii, USA

Full-time

Leidos is seeking a candidate to fill a Linux System Administrator position supporting DISA's GSM-O II contract at Ford Island, Hawaii. The candidate will maintain the smooth operation of multi-user computer systems running Redhat Linux but also includes Windows Server on a global network management system. Working with server farms as well as working with systems in a cloud environment. Provides support on a M-F business hours schedule, also responsible for on-call, extended hour, and weekend s

Senior Linux IT Systems Engineer / Active Clearance / Orlando, FL

Lockheed Martin Corporation

Orlando, Florida, USA

Full-time

Job Description This role is for a Classified Linux IT Systems Engineer with a focus on supporting Red Hat-based Linux distributions, Kubernetes and High Performance Computing (HPC) clusters. Linux System administration of heterogeneous networks integrated into Windows Server Active Directory Domains. VMWare vSphere Infrastructure management of ESX clusters spanning multiple distributed networks. Maintain operating system cyber compliance, upgrades, and patching. (Windows/Linux/VMWare) Perform

Senior HPC Linux Clusters Engineer

Oak Ridge National Laboratory

Oak Ridge, Tennessee, USA

Full-time

Requisition Id 15037 Overview: The National Center for Computational Sciences (NCCS) at Oak Ridge National Lab (ORNL), which hosts several of the world's most powerful computer systems, is seeking highly qualified individuals to play a key role in improving the security, performance, and reliability of the NCCS computing environments. In this role, you will work within the HPC Clusters Group inside of the NCCS Systems Section to support numerous activities of the center. The HPC Clusters Group

Master Linux System Administrator - Secret Cleared

Zachary Piper Solutions, LLC

San Diego, California, USA

Full-time

Piper Companies is looking for a Master Linux System Administrator to join a government contractor, working onsite in San Diego, CA. An active secret clearance is required for consideration This is a contract to hire opportunity with a great client that is looking to move quickly! Essential Duties of theMaster Linux System Administrator: Provide guidance for directing/monitoring information systemsInstall, configure and maintain Linux operating systemsAnalyze network traffic and provide capacit

Software Engineer III - C/C++, Linux

RTX Corporation

Middletown, Rhode Island, USA

Full-time

Date Posted: 2025-03-19 Country: United States of America Location: RI201: 127 John Clarke Road Middletwn 127 John Clarke Road Suite 3, Middletown, RI, 02842 USA Position Role Type: Onsite RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at

Software Engineer II - C/C++, Linux

RTX Corporation

Middletown, Rhode Island, USA

Full-time

Date Posted: 2025-04-10 Country: United States of America Location: RI201: 127 John Clarke Road Middletwn 127 John Clarke Road Suite 3, Middletown, RI, 02842 USA Position Role Type: Onsite RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at

Principal Software Engineer - Embedded Linux (Onsite)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-04-23 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Principal Software Engineer - Embedded Linux (Onsite) Job Summary: As a Principal Software Engineer in this organization, you w

Software Engineer II - Embedded Linux (Onsite)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-04-23 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Software Engineer II - Embedded Linux (Onsite) Job Summary: As a Software Engineer II in this organization, you will be involve