System Administrator

Date Posted:  
•

Location:

El Segundo, CA
• Role Type:
Onsite

• Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Collaborate as a team member in a fast‑paced technological environment.
• Use troubleshooting techniques to resolve basic to moderate scope and complexity technical problems, 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 leadership team expectations.
• Manage ESXi, VCenter and Microsoft Windows domains.
• Work with Windows Server internals or Linux fundamentals – 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.
• Collaborate with Cybersecurity professionals to maintain security requirements.
• Obtain DoDD 8140 / 8570 Certification (CompTIA Security+ CE or equivalent) within 6 months of start date.
• Support systems operational 24x7, with occasional work beyond standard hours.
• Travel up to 10% per year to other U.S. domestic locations as business needs dictate.
• Work full time onsite (100%).

• University degree or equivalent experience and a minimum of 2 years of relevant experience, or an advanced degree in a related field.
• Active and transferable U.S. government‑issued Secret security clearance required prior to start.
• U.S. citizenship.
• Experience with Windows and/or Linux.

• 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 – user and computer objects, Group Policy.
• Experience with network services related to a Microsoft Windows environment – Domain Controller, DNS, DHCP.
• Experience supporting desktop / workstation hardware.
• Experience with an IT incident/service request system.

The salary range for this role is 75,800 USD – 144,200 USD. This range represents a good‑faith estimate for all experience levels.

• Medical, dental, and vision insurance
• Life insurance
• Short‑term and long‑term disability insurance
• 401(k) match
• Flexible spending accounts
• Flexible work schedules
• Employee assistance program
• Employee Scholar Program
• Parental leave
• Paid time off and holidays

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.