Date Posted:
2026-06-22
Country:
United States of America
Location:
US-CA-BEALE-AFB-CUST ~ 7400 Spencer Paul Dr ~ BEAL AFB (External Site)
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: TS/SCI
Security Clearance Status:
Active and existing security clearance required on day 1
Raytheon Company, Managed by Collins Aerospace
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.
Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.
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 a program located at Beale AFB, CA.
What You Will Do
System Administration to include:
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Administration of VMWare ESXi servers
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Maintaining Operating Systems (Windows and RedHat Enterprise Linux)
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Application and Security Patching
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Account and Permissions Management using Microsoft Active Directory
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Backup and Restore using Rubrik Backup Solutions
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Cybersecurity Processes related to Continuous Monitoring of IT Systems
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Deploy, update, and maintain Hyperconverged Infrastructure (HCI) systems
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Administration of HPE 3Par and Nimble storage solutions
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Kubernetes Administration – Rancher RKE2 Distribution
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Configure, manage, and troubleshoot network switches, firewalls, and routers
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Monitor and analyze network performance and security using tools such as Wireshark and Splunk
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Maintain and manage TCP/IP networks, including addressing, routing, and subnetting
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Support the implementation and management of Virtual Private Networks (VPNs)
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Collaborate with network engineering teams for the integration of systems across secure networks
Qualifications You Must Have
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Active and transferable DoD Top Secret / SCI U.S. government issued security clearance is required prior to start date with the ability to obtain SAP clearance and access after start
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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
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Active certification to comply with NIST-8570 (Security+, CISSP, etc.)
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Red Hat Enterprise Linux Administration
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Windows 10/Server 2016 Administration
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Broadcom VMware – VMware Cloud Foundation (VCF)
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Strong understanding of networking concepts, including VLANs, DHCP, DNS, and routing protocols
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Experience with network monitoring tools and troubleshooting network issues
Qualifications We Prefer
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SAP Clearance
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Enterprise Domain Administration (Windows)
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Understanding of basic Information System hardware configurations
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Container deployment (Docker, Kubernetes, Rancher, Helm)
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Automation leveraging Ansible/Ansible Tower
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Enterprise Key Management utilizing Utimaco Enterprise Secure Key Manager (ESKM)
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Cyber Security tools (ACAS, HBSS, Splunk)
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ActiveMQ Management and Deployment
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Shell/bash scripting
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LDAP Administration
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Basic understanding of TCP/IP and transfer protocols
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Experience with network protocols
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Familiarity with configuring and managing firewalls, load balancers, and proxy servers
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Ability to produce detailed technical documentation
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Knowledge of Cross-Domain Solutions (CDS)
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Capable of working on a team under pressure to meet schedule requirements
What We Offer:
Some of our competitive benefits package includes:
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Flexible work weeks: 9/80A, 5/40; Flexible work Hours: Core hours, Modified time
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Medical, dental, and vision insurance
- Three weeks of vacation for newly hired employees
- Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
- Tuition reimbursement program
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Student Loan Repayment Program
- Life insurance and disability coverage
- Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
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Birth, adoption, parental leave benefits
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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
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Doctor on Demand, virtual doctor visits
- Bright Horizons, child and elder care services
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Teladoc Medical Experts, second opinion program
- And more!
May be eligible for relocation.
Learn More & Apply Now!
- Please ensure the role type (defined below) is appropriate for your needs before applying to this role.
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs).
Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn’t shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies.
Together, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way – the right way – to achieve what others can only dream of.
At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other - propel us all higher, again and again.
Apply now and be part of the team that’s redefining aerospace, every day.
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 86,800 USD - 165,200 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.
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