Sr. Principal System Admin

Date Posted:

2025-09-08

Country:

United States of America

Location:

AZ855: RMS AP Bldg M05 1151 East Hermans Road Building M05, Tucson, AZ, 85756 USA

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:

DoD Clearance: Top Secret

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. 

What You Will Do:

• Experience with Linux architecture, deployment, administration, networking, performance monitoring/tuning, security hardening, and troubleshooting.

• Integrated AD authentication  (Kerberos, LDAP and/or Centrify)

• Experience with SMTP, DHCP, DNS, NIS, LDAP, CIFS, NFS, Samba and *NIX system security.

• Experience with infrastructure backup, restore, disaster recovery and business continuity products like Symantec NetBackup.

• Experience with security infrastructure products and capabilities (e.g. Antivirus).

• Experience gathering requirements, designing, and implementing appropriate solutions.

• Experience with application installation and multi-server environment/deployment Experience with an IT incident/service request system.

• Experience with HP server hardware support and diagnosis.

Qualifications You Must Have:

• Typically requires a University degree or equivalent experience and a minimum of 8 years of prior relevant experience or an Advanced Degree in a related field and a minimum of 5 years experience.

• 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 Linux and/or Windows operating systems.

• Experience with but not limited to, Active Directory, VMware, Administration, backup and recovery.

• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.

Qualifications We Prefer:

• 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.

• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).

• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.

• Experience with data storage, NAS, and SAN technologies and solutions.

• Information Technology project lifecycle management processes.

• Experience with Microsoft WSUS, MECM, and/or Exchange

• Scripting Experience.

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!

The salary range for this role is 101,000 USD - 203,000 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