System Administrator
$57.2k - $108.8kRaytheon
Job TitleAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.What You Will Do:Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment.Participate in all phases of Engineering software installation and support, with emphasis on testing, documentation, and acceptance phases.Collaborate with System Admins, Cyber Security professionals, Network Engineering and Program Stakeholders.Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.Work as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support.Work with Cybersecurity professionals to maintain security requirements and provide documentation on advanced IT processes and procedures and other tasks as assigned.Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.Systems are operational 24x7 and occasionally require work effort beyond standard work hours.Full time 100% Onsite positionQualifications You Must Have:Typically requires a University degree or equivalent experience and less than 2 years prior relevant experience.Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.Experience with some of, but not limited to, the following technologies: Red Hat Enterprise Linux, Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup and Recovery enterprise suites.Qualifications We Prefer:Experience with Server architectures and troubleshooting methods and ability to assist in developing solutions and documentation to a variety of technical problems.Experience using VMWare vCenter, vSphere, Linux Desktops, Windows desktops (Windows 10, 11), Splunk and ESX and/or other virtual computing methods.Scripting/ automation PowerShell, Bash.Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) and an Operating System Certification.Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.Experience with data storage, NAS, and SAN technologies and solutionsExperience supporting engineers in software, simulations, and hardware development.Experience with Microsoft WSUS, SCCM, and/or Exchange.Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.High Performance Computing (HPC) experience in a Linux environmentScripting Experience.What We Offer:Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.Learn More & Apply Now!The salary range for this role is 57,200 USD - 108,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
$86.8k - $165.2k
...Clearance Type: None/Not Required Security Clearance Status: Not RequiredSystems Engineering Tools Administrator (DOORS/Rational)Principal Specialist, Business Systems & TransformationRaytheon Digital Technology, EDS, Engineering Software ServicesOnsite Role - Multiple...SuggestedContract workTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$86.8k - $165.2k
...advanced technologically and intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a highly collaborative, multi-platform and multi-disciplined environment. The Systems...SuggestedTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...position available that supports the Raytheon mission of making the world a safer place. We are currently seeking a Windows Systems Administrator that will be working onsite in a highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator...SuggestedTemporary workWork experience placementWork at officeRemote workFlexible hours- ...building meaningful products that make a real impact on children's education and literacy. About the Role The IT Systems Administrator runs Epic's day-to-day IT operations and keeps them continuously audit-ready. The scope covers corporate identity and access...SuggestedRemote work
$68.9k - $131.1k
...a safer, more secure world. Join us and help shape the future of aerospace and defense. What You Will Do: Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment. Participate in all phases of Engineering software...SuggestedFull timeTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
.... Join us and help shape the future of aerospace and defense.What You Will Do:Serve as a senior technical authority for IT systems administration across heterogeneous Red Hat Enterprise Linux (RHEL), Microsoft Windows, Virtualization, storage, and network-connected environments...Full timeTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
Join to apply for the Principal System Administrator role at Raytheon . Location: TX190: 2501 West University, McKinney, TX, 75070 USA Date Posted: 2026-01-08 What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise...Temporary workWork experience placementRelocationFlexible hours$86.8k - $165.2k
A leading defense contractor in McKinney, TX, is seeking a Principal System Administrator to manage IT systems in a mixed environment. Candidates should have extensive experience with Windows and Linux systems, along with a transferable U.S. government secret clearance...For contractors$95.92k - $133.22k
...an inclusive, adaptable, and forward-thinking organization, apply now.We are currently seeking a WSS Engineer / Epic Client System Administrator (ECSA) - Remote to join our team in Plano, Texas (US-TX), United States (US).About the RoleWe are seeking an experienced WSS...Temporary workWork at officeRemote workFlexible hours$68.9k - $131.1k
...aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.Raytheon is seeking a Systems Engineer II - Anti-Tamper / Program Protection (P2) to join our elite Systems Security Engineering (SSE) team within the Systems Engineering...Temporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$68.9k - $131.1k
...science and find new ways to connect and protect our world. The Advanced Airborne RF Sensors department within the Space and Airborne Systems Engineering and Test Capability (SE&TC) Center is seeking a Systems Engineer to support the Advanced Programs portfolio works on...Temporary workWork experience placementWork at officeRemote workRelocation packageFlexible hoursShift work$68.9k - $131.1k
...Do:Work within a cross‑functional team and interface with customers and program leadershipCreate and decompose requirements, define system interfaces, and determine verification and validation methodsSupport system performance analysis, integration, and test...Temporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours- ...Description Job Description We need a team member that is excited about working at an MSP... More specifically, we need a System Administrator that is Humble, Hungry, and Smart! Do you want to work at a Security focused MSP that is growing, an MSP that has a...Work at officeRemote work
$82.97k - $110.63k
...deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today. The Role The Senior Linux Systems Administrator will design, build, secure, operate, and maintain Linux-based infrastructure supporting a classified federal program. The...Full timeTemporary workRemote work$35 - $45 per hour
...Job Description Job Description Description A growing financial institution is seeking a Junior Systems Administrator to provide a combination of advanced end-user support and systems administration. This role will support day-to-day technology operations, troubleshoot...Contract workTemporary work- ...such as Financial Services, Retail, Telecom, Healthcare and Banking for their continued growth. Job Description Job Title: Systems Administrator III Job Duration: 3+ Months Contract to Hire Interview Method: Phone then In Person Position Summary Individuals in the vBlock...Permanent employmentContract workTemporary workWork experience placement
$80k - $95k
Join to apply for the System Administrator role at Tata Consultancy Services . Position Details: Responsibilities: Manage ETL batch stability, including proactive job monitoring, incident and problem management, triage, resolution, reporting, and escalation. Drive...Full time- Responsible for designing, organizing, modifying, and supporting a company's computer systems. Designs and installs LANs, WANs, Internet and intranet systems, and network segments. Primary Responsibilities Support LANs, WANs, network segments, Internet, and intranet systems...
- ...Inc. is currently seeking a Network Specialist.Desired Candidate Profile Bachelor’s degree in computer science, computer information systems, information technology, relevant engineering (computer engineering, software engineering, electronic engineering, or related), or...
- ...JOB SUMMARY The Systems Engineer serves as a technical lead for projects associated with Linux-based & cyber-infrastructure solutions... ...Root Cause Analysis (RCA) on outages. Performs complex administrative tasks building and supporting Linux-based systems, VMware...Work experience placementWork at officeHome officeFlexible hoursShift workNight shift
$86.8k - $165.2k
...more secure world.Join us and help shape the future of aerospace and defense.We have an exciting opportunity for an onsite Senior Systems Engineer to join our Test Solutions (TS) directorate in McKinney, Texas. TS is a multi-discipline organization responsible for contributing...Temporary workWork experience placementInterim roleWork at officeRemote workFlexible hours$86.8k - $165.2k
..., meaningful problems that create a safer, more secure world. The Advanced Airborne RF Sensors team within the Space & Airborne Systems Engineering and Test Capability (SE&TC) Center is seeking a Senior RF Systems Engineer to support integration and test of complex airborne...Full timeTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$86.8k - $165.2k
...meaningful problems that create a safer, more secure world. The Advanced Airborne RF Sensors department within the Space and Airborne Systems Engineering and Test Capability (SE&TC) Center seeks a talented Senior Systems Engineer. Our team located in North Texas integrates...Temporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$58.31 - $66.31 per hour
...Linux AdministratorGenesis10 is currently seeking a Red Hat Linux Administrator for a contract position with a Global Financial Institution... ..., including software installations, kernel patching, system updates, OS upgrades, and library managementManage and maintain...Contract workRemote workNight shiftWeekend work- ...Linux System AdministratorRole OverviewThis position involves leading the administration, monitoring, and performance tuning of Oracle Enterprise Linux (OEL) environments within a large-scale enterprise ecosystem. The role will oversee the design, build, and lifecycle...3 days per week
- Company DescriptionSonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, => Software Consultancy and Information Technology Enabled...Permanent employmentFull timeH1b
- Company DescriptionSonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled...Full time
- Company DescriptionSonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled...Permanent employmentFull timeWork experience placementH1b
$86.8k - $165.2k
...sensor suites, precision targeting, multispectral EO/IR targeting systems, Pilot Situational Awareness, Special mission aircraft and... ...:Software and hardware installation and maintenanceSystem administration tasks such as patching, RPM packaging, performance tuning, networking...Temporary workWork experience placementWork at officeLocal areaRemote workRelocationFlexible hours- ...Experience installing, configuring, and upgrading operating systems, and applications using standard industry best practices *... ...DNS, WINS, and DHC * Knowledge of SQL Server 2000/2005/2008 administration (migrations, clustering a plus) * Experience with Clustering...Full time
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