Principal System Administrator (Onsite)

Raytheon Technologies Corporation; California; On-site; USD 82,000 - 164,000; Full time

Job summary

Collins Aerospace seeks a Principal System Administrator to manage virtualized environments at Beale AFB, CA. This role involves the administration of VMWare ESXi servers, OS maintenance, and robust cybersecurity processes. The ideal candidate will have extensive experience in Linux and Windows systems, alongside a valid security clearance, to meet operational demands in aerospace and defense.

Benefits

Medical, dental, and vision insurance

401(k) with employer matching

Tuition reimbursement program

Generous vacation policy

Employee Assistance Program

Flexible work schedules

Life insurance and disability coverage

Parental leave benefits

Qualifications

• 5+ years experience with Linux and Windows Administration.
• Active TS/SCI clearance required.
• Experience in security certification compliance like Security+ or CISSP.

Responsibilities

• Manage VMWare ESXi servers and related systems.
• Handle application and security patching.
• Ensure cybersecurity monitoring protocols.

Skills

Red Hat Enterprise Linux Administration

Windows Administration

VMware Expertise

Cybersecurity Processes

Education

Degree in Science, Technology, Engineering or Mathematics (STEM)

Advanced Degree in related field

Tools

VMware ESXi

Rubrik Backup Solutions

Hyperconverged Infrastructure (HCI)

Kubernetes

Job description

Date Posted:

2025-04-10

Country:

United States of America

Location:

CA993: Beale Afb, Ca 7400 Spencer Paul Drive 7th Space Warning Squadron, Beale Afb, CA, 95903 USA

Position Role Type:

Onsite

Raytheon Company Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in technologically advanced andintelligent solutions for the global aerospace and defense industry. Collins Aerospacehas the capabilities, comprehensive portfolio, and expertise to solve customers’toughest challenges and to meet the demands of a rapidly evolving global market.

Collins Aerospace is seeking a Principal System Administrator to support system administration and maintenance functions associated with monitoring and controlling virtualized computer environments. This work supports the Common Mission Control Center (CMCC) program, located at Beale AFB, CA.

What You Will Do

• Administration of VMWare ESXi servers.
• Maintaining Operating Systems (Windows and RedHat Enterprise Linux).
• Application and Security Patching.
• Account and Permissions Management using Microsoft Active Directory.
• Backup and Restore using Rubrik Backup Solutions.
• Cybersecurity Processes related to Continuous Monitoring of IT Systems.
• Deploy, update, and maintain Hyperconverged Infrastructure (HCI) systems.
• Administration of HPE 3Par and Nimble storage solutions.
• Kubernetes Administration – Rancher RKE2 Distribution.

Qualifications You Must Have

• Previous experience with Red Hat Enterprise Linux Administration, Windows 10/Server 2016 Administration, and Broadcom VMware – VMware Cloud Foundation (VCF)
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience or in absence of a degree, 9 years of relevant experience.
• Active certification to comply with NIST-8570 (Security+, CISSP, etc.)
• Active and transferrable U.S. government issued TS/SCI security clearance is required prior to start with the ability to obtain special program access after start.
• U.S citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Enterprise Domain Administration (Windows)
• Container deployment (Docker, Kubernetes, Rancher, Helm)
• Automation leveraging Ansible/Ansible Tower
• Enterprise Key Management utilizing Utimaco Enterprise Secure Key Manager (ESKM)
• Cyber Security tools (ACAS, HBSS, Splunk)

What We Offer

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan that includes employer matching funds and separate employerretirement contribution, including a Lifetime Income Strategy option.
• Tuition reimbursement program.
• Student Loan Repayment Program.
• Life insurance and disability coverage.
• Optional coverages you can buy pet insurance, home and auto insurance, additional lifeand accident insurance,critical illnessinsurance, group legal, ID theft protection.
• Birth, adoption, parental leave benefits.
• Ovia Health, fertility, and family planning.
• Adoption Assistance.
• Autism Benefit.
• Employee Assistance Plan, including up to 10 free counseling sessions.
• Healthy You Incentives, wellness rewards program.
• Doctor on Demand, virtual doctor visits.
• Bright Horizons, child, and elder care services.
• Teladoc Medical Experts, second opinion program.
• May be eligible for relocation.
• And more!

Learn More & Apply Now!

Do you want to be a part of something bigger? A team whose impact stretches across theworld, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian,military and government customers complete their most complex missions — whatever andwherever they may be. Our customers depend on us for intelligent and securecommunications, missionized systems for specialized aircraft and spacecraft andcollaborative space solutions. By joining our team, you’ll have your own critical part to play inensuring our customer succeeds today while anticipating their needs for tomorrow. Are youup for the challenge? Join our mission today.

*Please ensure the role type (defined below) is appropriate for your needs beforeapplying to this role.

Onsite:Employees who are working in Onsite roles will work primarily onsite. Thisincludes all production and maintenance employees, as they are essential to thedevelopment of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds weform – with our customers and with each other -- propel us all higher, again andagain.

Apply now and be part of the team that’s redefining aerospace, every day.

The salary range for this role is 82,000 USD - 164,000 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.

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