CyberSecurity/SysAdmin
$75.8k - $144.2kRTX
Citizen, U.Person, or Immigration Status Requirements:
S. government issued security clearance is required prior to start date.?
S. citizens are eligible for a security clearance?
Security Clearance Type:
Security Clearance Status:
Active and existing security clearance required on day 1
With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. 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.
Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat?Linux?environment.
Execute actions as directed by senior staff and project management.
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.?
Travel?required?as business?needs?dictate to other US Domestic locations, up to 10% per year.
Full time 100% Onsite position.
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.
S. government issued Secret security clearance is required prior to start date. S. citizens are eligible for a security clearance.
Experience with Windows and/or Linux.
Experience Deploying Windows workstations and migrating end-user data.
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. Experience with supporting desktop / workstation hardware.
Experience with an IT incident/service request system.
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
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.
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.
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.
Privacy Policy and Terms:
Click on this link ( to read the Policy and Terms
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.
$55k - $75k
...Overview We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready...Suggested- ...Description: Job Description: Sr. Windows Systems Administrator with experience in systems administration, networking, system virtualization, cloud computing, backups, Linux OS, mac OS, Windows OS, network storage, load balancer, and associated hardware platforms...SuggestedWork experience placementCasual workImmediate startRemote work
- ...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
...foundational assumptions for everything we do in space. What You’ll Do: Space Kinetic is seeking a mid‑level Infrastructure & Systems Administrator to maintain and scale the infrastructure supporting our engineering, manufacturing, simulation, secure collaboration, and...SuggestedPermanent employmentFlexible hours$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...Hourly payTemporary workLocal areaRemote workNight shiftWeekend work3 days per week$95.2k - $142.7k
...innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our... ...classified enterprise IT environment. As a Classified Systems Administrator, you will oversee server and endpoint infrastructure that...Full timeImmediate startRemote workRelocation packageFlexible hours$130k - $165k
...Huntsville, AL. Join Varda, and work to create a bustling in‑space ecosystem. About the Role Varda is looking for a Senior Systems Administrator who is equal parts identity architect and cloud operator who can own platforms that every employee, device, and application...Permanent employmentFull timeImmediate startRelocation packageFlexible hours- Senior Systems Administrator - Linux/Windows (TS/SCI with FS Poly) Location: On-site (No Telework) in Annapolis Junction, MD, Fairfax, VA., El Segundo, CA. Tukwila, WA. Travel: Up to 10% Join a dynamic team supporting a complex, multi-site IT infrastructure across the...Remote work
$103.6k - $155.4k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...history.Northrop Grumman Defense Systems seeks a Linux Systems Administrator to join our diverse team, working on the Forward Area Air Defense...Full timeRelocation packageShift work$95.5k - $181.7k
...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 workWork experience placementInterim roleWork at officeRemote workFlexible hours- The Aerospace Corporation is seeking a Classified Systems Administrator to oversee enterprise IT infrastructure at our El Segundo, CA facility. You will administer Windows Server environments, enforce RMF and DI SA STIG controls, and automate tasks with PowerShell and Ansible...
$95.2k - $142.7k
The Aerospace Corporation is seeking a Classified Systems Administrator in El Segundo, CA. You will be responsible for overseeing critical server and endpoint infrastructure, ensuring compliance with security standards. The role requires significant experience in system...- 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...
- 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
- 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
...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- Zachary Piper Solutions is looking for a Senior Systems Administrator to manage a complex, multi-site IT infrastructure. This role is based on-site and requires an active TS/SCI with Full Scope Polygraph clearance. Responsibilities include implementing secure system designs...
- ...Job Description Job Description We are looking for a Junior Systems Administrator to join our IT team and provide day-to-day support for our Windows and Microsoft Azure environment. This is a great opportunity for someone early in their systems administration career...
$161k - $241.4k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...team is seeking a Staff Computer Systems Analyst - Linux Systems Administrator to support information system lifecycle activities. The...Full timeRemote workRelocationFlexible hoursShift workWeekend work$110k - $130k
...Huntsville, AL. Join Varda, and work to create a bustling in-space ecosystem. About the Role Varda is looking for a Systems & Network Administrator who thrives at the intersection of cutting‑edge aerospace and enterprise‑grade infrastructure. You’ll be the architect...Permanent employmentFull timeWork at officeImmediate startRelocation packageFlexible hours$120k - $135k
Zachary Piper Solutions is seeking a Mid-Level System and Network Administrator to join a Space Systems Verification and Test team in El Segundo, CA. This 100% onsite role supports 24/7 test operations, including setup, deployment, and readiness of Special Test Equipment...- ZP Group is looking for a Mid-Level System and Network Administrator to join their Space Systems Verification and Test team in El Segundo, CA. This role is 100% onsite and supports 24/7 test operations, including the deployment and readiness of test equipment for factory...
- 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
- ...MANTECH seeks a motivated, career, and customer-oriented Network System Administrator (NSA) - I to join our team in El Segundo, CA . You will provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP)...Full timeWork at officeLocal area
- 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
- Overview Join to apply for the Sr Principal HPC Linux Systems Administrator - Secret - R10207064 role at Northrop Grumman . Relocation assistance may be available. Clearance type: Secret. Travel: Yes, 10% of the time. Note: Due to the classified nature of the work, this...Remote workRelocation package
- 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
- Space Kinetic seeks a mid-level Infrastructure & Systems Administrator to maintain and scale our IT infrastructure supporting engineering, manufacturing, simulation, secure collaboration, and export-controlled programs. You will work across servers, virtualization, networking...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to CyberSecurity/SysAdmin. Be the first to apply!
- IT infrastructure administrator El Segundo, CA
- application system administrator El Segundo, CA
- enterprise administrator El Segundo, CA
- computer systems administrator El Segundo, CA
- IT administrator El Segundo, CA
- system admin El Segundo, CA
- server administrator El Segundo, CA
- systems administrator El Segundo, CA
- microsoft systems administrator El Segundo, CA
- IT cyber security El Segundo, CA




