Principal System Administrator Windows or Linux
$95.5k - $181.7kRaytheon Co
What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity, including integration of hardware and operating systems. Execute actions as directed by senior staff and project management. Engage in cross-team collaboration and align with expectations of the leadership team. Design, develop, and deploy containers. Participate in all phases of engineering software installation and support, emphasizing testing, documentation, and acceptance phases. Manage ESXi, vCenter, and Microsoft Windows domains. Work with Windows Server internals or Linux fundamentals, including DNS, DHCP, AD, and server replication methods. Handle hardware RAID, hardware and software encryption, and server management tools. Perform data backup and restore using industry best practices. Install and configure software applications requested by end users. Work with cybersecurity professionals to maintain security requirements. Obtain Department of Defense Directive (DoDD) 8140 / 8570 certification (CompTIA Security+ CE or equivalent) within six months of start date. Ensure systems operate 24x7, occasionally requiring work beyond standard hours. Travel within the U.S. as business needs dictate, up to 10% per year. Full-time, 100% onsite position. Qualifications You Must Have: Typically requires a university degree or equivalent experience and a minimum of 5 years of relevant experience, or an advanced degree with a minimum of 3 years of experience. Active and transferable U.S. government issued Top Secret security clearance is required prior to start date; U.S. citizenship is required for eligibility. Experience with Windows and/or Linux operating systems. Qualifications We Prefer: Experience deploying Windows workstations and migrating end-user data. Experience with cloning techniques. Use and guidance of automation tools such as Ansible. Experience with operating system concepts and implementations. Microsoft Windows Active Directory Services administration and support (user and computer objects, Group Policy). Experience with network services related to a Microsoft Windows environment (DC, DNS, DHCP). Experience supporting desktop/workstation hardware. Experience using an IT incident/service request system. What We Offer: Salary range: $95,500 – $181,700 USD. Compensation may vary by role, function, experience, location, education, and key skills. Benefits include medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, employee assistance program, parental leave, paid time off, and holidays. Additional performance‑based incentives are available where applicable. 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, 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. #J-18808-Ljbffr Raytheon
$95.5k - $181.7k
.... Join us and help shape the future of aerospace and defense. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. Experience with troubleshooting techniques to resolve technical problems of moderate...PrincipalWindowsLinuxFull timeTemporary workWork experience placementWork at officeRemote workWorldwideFlexible hours- ...in Hawthorne, California, is seeking a highly skilled IT Systems Administrator to support its launch environment. This pivotal role involves... ...of experience in IT administration, familiarity with Linux and Windows server environments, and expertise in network administration...WindowsLinux
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$120k - $135k
...Zachary Piper Solutions is seeking a Mid-Level System and Network Administrator to join a Space Systems Verification and Test team in... ...Security+ and Network+ certifications. Experience with Windows Server, RedHat/Oracle Linux, Cisco IOS, VMware, and enterprise storage....WindowsLinux- ...Systems Engineer, Sr. | Systems Administrator Looking for a rock star Systems Engineer with 7+ yrs. who can deploy... ...vSAN architecture Deployment of Windows 2012 R2 in VMware environment... ..., desktops and laptops) Red Hat Linux server deployment, Extensive IP and...WindowsLinuxRemote work
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...with the ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR, LAUNCH SpaceX is looking for a highly skilled and... ...experience in IT systems administration. Hands‑on experience with Linux or Windows server administration. Experience with enterprise network...WindowsLinuxPermanent employmentTemporary workNight shiftWeekend workAfternoon shift$130k - $165k
...space ecosystem. About the Role Varda is looking for a Sr. Systems Administrator who is equal parts identity architect and cloud operator... ..., Azure/Entra ID, and our MDM ecosystem across macOS, Windows, and Linux. This isn’t just about keeping the lights on: you’ll architect...WindowsLinuxPermanent employmentFull timeWork at officeImmediate startRelocation packageFlexible hours$128.35k - $173.65k
...with us. About Millennium Space Systems (MSS) MSS, a part of Boeing... ...Technology (IT) Systems Administrator (Level 4) in El Segundo, CA.... ...troubleshooting, and administering Windows Server (2016 or later) and... ...Experience administering Red Hat Linux based systems with minimal...WindowsLinuxLive inImmediate startRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift$110k - $130k
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...aerospace company in El Segundo, CA is looking for an IT Systems Administrator to maintain secure systems and support operations.... ...system administration experience, particularly with Windows Server and Red Hat Linux. The position is strictly onsite and requires a U.S....WindowsLinux- ALT Consulting in Los Angeles, CA is looking for a skilled Systems Administrator to provide technical support to clients and work on IT... ...will have a college degree in IT, practical knowledge of Windows and Linux systems, and experience with virtualization technologies....WindowsLinux
$200k - $270k
Principal RF Software Engineer (Starshield) Hawthorne, CA SpaceX was founded under the... ...software engineers to design and validate RF systems Create electromagnetic simulation... ...lab instrumentation Experience using Windows and Linux operating systems Experience with configuration...PrincipalWindowsLinuxPermanent employmentTemporary workRemote workWeekend work$95.5k - $181.7k
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- A leading nuclear technology firm in Los Angeles seeks a Systems Administrator to manage on-prem and cloud infrastructure. This role requires expertise in both Linux and Windows systems, Microsoft 365, and Azure, supporting engineering workflows and optimizing IT services...WindowsLinux
$71k - $98k
...Applicants should possess a bachelor's degree in Computer Science or IT and 4 years of relevant experience. Strong knowledge of Windows and Linux systems, as well as networking certifications, is preferred. The role is on-site and offers a salary range of $71,000 to $98,000...WindowsLinux- ...Database & Systems Administrator Los Angeles, CA (Local Candidates Preferred) CWOTH - W2 Only (No Sponsorship/C2C) Hybrid option may... ..., web, and server environments. This role will work with Windows and Linux-based systems, SQL Server databases, web servers, and SharePoint...WindowsLinuxLocal area
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$70k - $80k
...Summary: The IT Systems Administrator plays a critical role in ensuring stability, security, and performance across the organization... ...Firewalls, Cisco/Ruckus switches, VMware, Veeam, MECM, Windows and Linux servers, Active Directory, and Microsoft 365-related infrastructure...WindowsLinux- ...Senior Systems Administrator/Patch Manager Koniag IT Systems, LLC, a Koniag Government Services... ...fit each Operating Systems, including Windows, RHEL, MAC. Experience with Microsoft... ...Environment is primarily in Windows OS, Linux, Windows Server – must show experience...WindowsLinuxContract workLocal areaFlexible hours
$7,914 - $9,458 per month
...Job No: 553365; 12/11/2025 SYSTEM ADMINISTRATOR System Administrator II IT Infrastructure Services Salary... ...ability to use the following operating system languages: Windows 2022 server and later, Red Hat Linux version 7 and above, and additional distributions...WindowsLinuxFull timeMonday to Friday- ...highly motivated and experienced MS&A Environment O&M and HD - Systems Administrator to support mission-critical operations at Los Angeles Air... ...administration, monitoring, maintenance, and support of Windows/Linux server environments. Perform system installation,...WindowsLinux
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