Date Posted:2026-07-30
Country:United States of America
Location:US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01
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: Top Secret
Security Clearance Status: Active and existing security clearance required on day 1
Senior System Administrator, internally known as Senior Analyst, Information Workplace Services, collaborates with a diverse team to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. The candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a 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.
This position is 100% onsite location in El Segundo, CA.
What You Will Do:
- Provide IT systems administration in a heterogeneous Microsoft Windows environment.
- Apply understanding and knowledge of Windows Server internals 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).
- Apply understanding of data RAID, data backup uses and technologies. Install and configure software applications requested by end users.
- Work with Cybersecurity professionals to maintain security requirements.
- Proactive management of infrastructure to help maintain a healthy environment.
- Experience in administering of Microsoft Windows Server and Active Directory and group policy.
- Building workstations on bare metal hardware using automation tools such as MDT, WDS or Ghost.
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 Top 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 supporting Window and/or Linux operating systems.
Qualifications We Prefer:- Experience supporting Windows desktops (Windows 10) and Windows server 2016, 2019 installation and maintenance.
- Experience with VMware VSphere (ESXi, vCenter, etc).
- Experience with Storage - HP MSA, RAID configuration.
- Experience with Window Servers, Active Directory and Group Policy
- Experience with Network and infrastructure services such as domain controllers, global catalogs, DNS, and DHCP.
- Experience with Infrastructure backup, restore, disaster recovery and business continuity.
- Experience with configuring storage such as NetApp or HP storage.
- Experience with security compliance applications such as Ivanti, Splunk and Tenable.
- Experience with Networking: Network security, LAN/WAN, TCP/IP, Firewalls.
- Experience with Applications: MS Office & various network Server/Client applications.
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!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.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.
