Senior Principal System Administrator

Date Posted:

2025-07-28

Country:

United States of America

Location:

TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 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: 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:

• Provide leadership to support a varied range of administrative tasking, to include corrective/preventive maintenance, recurring operations functions, account management, and system optimization.

• Supervising administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.

• Develop and monitor policies, standards, processes, and goals for direct reports

• Coordinating system administrative support for training development/evaluations and operations and sustainment plans

• Experience in Change Request reviews, to include participating in Change Management boards at multiple program levels.

• Coordinating technical and process document reviews and resolving system administration, engineering, and integration issues

• Experience leading technical meetings with team members and other program personnel, and representing the organization in functional area matters.

• Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. 

• 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.

• Full time 100% Onsite position.

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 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.

• Must have Windows and/or Linux experience.

• Experience with some but not limited to, the following technologies:  Active Directory, WSUS, VMware, Veeam, AWS, MySQL, Remote Desktop Gateway, and prior systems administration and networking administration experience, Windows or Linux administration, Windows administration, or Mac OS experience, backup, and recovery enterprise suites.

• Must have experience in mentoring others or lead experience.

Qualifications We Prefer:

• 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 

• An active DoD Top Secret clearance with investigation date completed within the past 6 years.

• Direct working experience with NISPOM, JAFAN, JSIG, and/or DoD/RMF guidelines

• Experience with handling and working with classified information.

• Experience with Storage Area Network (SAN) and Network Attached Storage (NAS) systems.

• Experience with virtual host solutions (e.g., VMware)

• Experience with requirements gathering, planning, and managing deployment, installation, maintenance and upgrade efforts, over multiple geographic sites.

• Experience leading geographically dispersed teams.

• Industry certifications including but not limited to: Security +, CISSP, ITIL, ISC2, PMP etc.

• Experience supporting engineers in software, simulations, and hardware development. 

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

• High Performance Computing (HPC) experience in a Linux environment 

• Scripting Experience

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