System Administrator
$75.8k - $144.2kRaytheon
Date Posted: 2026-08-14 Country: United States of America Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At 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 Microsoft Windows and RedHatEnterpriseLinuxenvironment. Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of basic to moderate scope and complexity to include the 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 leadership team. Manage ESXi, VCenter and Microsoft windows domains Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. Experience with hardware RAID, hardware and software encryption and server management tools. Perform data backup and restore, using industry best practice. Install and configure software applications requested by end users. Work with Cybersecurity professionals to maintain security requirements. 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. Travelrequiredas businessneedsdictate to other US Domestic locations, 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 2 years of prior relevant experience, or an Advanced Degree in a related field. 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 Windows and/or Linux. Qualifications We Prefer: Experience Deploying Windows workstations and migrating end-user data. Experience with cloning techniques. Use and guide use of automation tools e.g. Ansible. Experience with operating system concepts and implementations. Microsoft Windows Active Directory Services administration and support (e.g. user and computer objects administration, Group Policy). Experience with network services related to Microsoft Windows environment (e.g. DC, DNS, DHCP, etc.). Experience with supporting desktop / workstation hardware. Experience with an IT incident/service request system. 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. The salary range for this role is 75,800 USD - 144,200 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. #J-18808-Ljbffr Raytheon
$60 - $70 per hour
...forces to power the immersive experiences of the future as Cosm. Innovation is in our DNA. Summary Cosm is looking for a Senior Systems Administrator to keep our creative infrastructure running — render farms, remote VFX/post workstations, and large-scale media asset...SuggestedHourly payTemporary workLocal areaRemote workNight shiftWeekend work3 days per week- ...is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.SR. IT SYSTEMS ADMINISTRATOR, IT APPLICATIONS As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for...SuggestedPermanent employmentTemporary work
$38.47 - $45.68 per hour
...application due to a disability, contact this employer to ask for an accommodation or an alternative application process. IT & Systems Administrator - SoCal Region Full Time Regular Technical Carmel Valley, San Diego, CA, US 2 Attachments 8 days ago Requisition ID: 1612...SuggestedHourly payFull timeWork at officeRemote work$80k - $100k
...primary payloads attached to the bus -- and unlock a 'one-to-many' system, where each satellite has a large number of payloads which can... ...Kinetic is seeking a mid-level Infrastructure & Systems Administrator to maintain and scale the infrastructure supporting our engineering...SuggestedPermanent employmentFlexible hours$103.6k - $155.4k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...Northrop Grumman CIDO Classified Solutions team is seeking a Systems Administrator to support information system lifecycle activities. The...SuggestedFull timeRelocation packageShift workWeekend work- Northrop Grumman Corp. (JP) seeks a Systems Administrator to support classified government contracts on-site at the Redondo Beach, CA location. The role requires a Secret clearance and may involve 10% travel. Responsibilities include Windows domain administration, security...
- Cosm is looking for a Senior Systems Administrator to keep our immersive infrastructure running—render farms, remote VFX workstations, and large-scale media asset management. This hands-on role spans local and cloud systems, and requires managing the high-performance environment...Local areaRemote work
$95.5k - $181.7k
...server management access management data backup software and license configuration workstation support Each day in the life of a Systems Administrator can bring something new - building a new IT infrastructure for a group of engineers, restoring files due to an outage,...Temporary workWork experience placementWorldwideFlexible hoursWeekend work$95.5k - $181.7k
...active, transferable Top Secret U.S. government security clearance must be available on day one. What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. Apply troubleshooting techniques to resolve...Full timeTemporary workCasual workFlexible hours- Space Kinetic Corp. is seeking a mid-level Infrastructure & Systems Administrator to maintain and scale our IT infrastructure across Windows and Linux servers, Proxmox virtualization, networking, cybersecurity, and Microsoft 365 services. You will help support engineering...
$95.5k - $181.7k
...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 Microsoft Windows and RedHat Enterprise Linux environment. Experience with troubleshooting techniques...Full timeTemporary workFlexible hours- RTX, a leading aerospace and defense company, seeks an IT Systems Administrator to support a heterogeneous Windows and Linux environment onsite in El Segundo. You will troubleshoot, collaborate with Cybersecurity, manage ESXi/VCenter and AD, and assist with backups and...Full time
- Northrop Grumman is seeking a Systems Administrator to support the CIDO Classified Solutions team in Redondo Beach, CA. The role requires on-site work and a Secret clearance, with responsibilities spanning Windows domain administration, security policy, and lifecycle support...
- Raytheon is seeking a dedicated IT Systems Administrator in El Segundo, California. The candidate will provide systems administration in a mixed Microsoft Windows and RedHat Linux environment and support the integration of hardware and operating systems. This full-time,...Full time
$103.6k - $155.4k
...available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: No Description Northrop Grumman Defense Systems seeks a Linux Systems Administrator to join our diverse team, working on the Forward Area Air Defense (FAAD) portfolio of programs in Redondo Beach,...Relocation packageShift work- Northrop Grumman is seeking a Linux Systems Administrator to join its diverse team in Redondo Beach, California. This role involves performing system administration duties for an Army Air Defense System, encompassing maintenance and security of Linux-based systems. The...
- The Ring and Blink CS Technology Enablement team is seeking a Systems Engineer to support the AI-driven platforms powering next-... ...AI-driven solutions for document management, reporting, and administrative tasks· Stay current on emerging AI capabilities and recommend...Local area
$145.1k - $269.5k
...us, ensuring security and prosperity.Join us in shaping a new era in space and find a career that's built for you.As an ESS SATCOM Systems Integration, systems engineering SME, you will:Act as a customer interface, foster customer relationship and interpret customer feedback...Full timeTemporary workWork experience placementCasual workFlexible hours- Devil Mountain Wholesale Nursery in Southern California is seeking an IT & Systems Administrator for the SoCal region to provide on-site and remote tech support across yards and offices. You will manage Microsoft 365, Entra ID, and Identity services, automate with PowerShell...Remote work
$190k - $220k
...Job Description Job Description Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed...For contractorsWork at officeLocal area- ...Job Description Job Description IESE Solutions is seeking a highly experienced Sr. Principal Space Systems Engineer to support the Space Systems Command (SSC) directorates. Position is available in El Segundo, California . Typical responsibilities include:...Temporary workFor contractorsWork experience placementWork at officeFlexible hours
$180k - $224k
...Job Description Job Description Overview Space Systems Engineer LOCATION: El Segundo, CA JOB STATUS: Full-time SALARY: $180k-$224k CLEARANCE: TS w/SCI eligibility CERTIFICATION: N/A TRAVEL: 10% Astrion is seeking an experienced Space...Full timeFor contractors$135k - $175k
...where each satellite in a constellation has one (or a small # of) primary payloads attached to the bus -- and unlock a 'one-to-many' system, where each satellite has a large number of payloads which can be deployed from their host spacecraft at high velocities without...Permanent employmentFlexible hours$83.43k - $122.64k
...Senior System Administrator - Information Technology Job Category: Technical/Spec Sal Requisition Number: SENIO003429 Full-Time Salary Range: $83,428.80 USD to $122,636.80 USD Locations Memorial Hospital of Gardena Gardena, CA 90247, USA Description Job Summary: The Senior...Full timeLocal area- ...Job Description Job Description IESE Solutions is seeking a Systems Engineer , specialized in Systems of Systems (SoS) Architectures, in El Segundo, CA , to provide systems engineering, mission architecting and analysis support to the Space Systems Command (SSC...Temporary workWork experience placementWork at officeFlexible hours
$140k - $170k
...Job Description Job Description Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed...For contractorsWork at officeLocal area- ...Job Description Job Description Seeking a Systems Engineer with experience to perform on programs within the Department of Defense (DoD). Responsibilities • Participate in programmatic and technical discussions to initiate new program concepts • Demonstrate...For contractors
$133.5k - $190.05k
...Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028. About the Role Radiant is seeking a Systems Engineer to develop, maintain, and govern engineering design standards, requirements, and verification methodologies for the mass...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work$135k - $169k
Modern Technology Solutions, Inc. (MTSI) is seeking an ESS Terminals Systems Engineer to join our team in El Segundo, CA.The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge SE&I for the Space Force’s Space System Command. We support...Contract workWork at office- Prattwhitney is looking for an IT Systems Administrator in El Segundo, CA, to provide IT systems administration in an environment utilizing Microsoft Windows and RedHat Enterprise Linux. The role involves supporting 24x7 operations and collaborating with multiple teams....Flexible hours
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