Senior System Administrator (Onsite - Top Secret Clearance Required)

Pratt & Whitney; Tucson (AZ); On-site; USD 101,000 - 203,000; Full time

Job summary

A leading aerospace and defense company is seeking a Senior System Administrator to manage Windows and Linux systems in a highly virtualized environment. This role requires advanced expertise in IaaS and VMware Cloud Foundation, along with a Top Secret security clearance. The position offers relocation assistance and a robust benefits package, including healthcare and retirement options.

Benefits

Parental leave

Flexible work schedules

Educational assistance

Child/adult backup care

Qualifications

• 8 years of experience or 5 years with an Advanced Degree.
• Active U.S. government issued security clearance required.
• Top Secret Security Clearance.

Responsibilities

• Install, configure, and maintain Windows and Linux operating systems.
• Support highly virtualized platforms and maintain CDS systems.
• Provide effective customer support for service requests.

Skills

IaaS

PaaS

VMware Cloud Foundation

Linux

Windows

Education

University Degree or equivalent experience

Tools

Security+

CISSP

CASP X

Job description

Date Posted:

2025-05-14

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: Top Secret

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.

The following position is to join our RTX Enterprise Services team:

Role Overview:

The Senior System Administrator is responsible for the installation, configuration, and maintenance of both Windows and Linux operating systems. The role requires advanced expertise in managing Infrastructure as a Service (IaaS) environments and the administration of VMware Cloud Foundation (VCF) automation. The Senior System Administrator will work closely with various IT teams to ensure the stability, integrity, and efficient operation of information systems that support core organizational functions.

This job requires onsite support in McKinney, TX or Tucson, AZ. Relocation assistance is available for qualified candidates.

What You Will Do:

• Support a highly virtualized platform, with both Linux and Window OS.
• Support of IaaS and PaaS environments.
• Maintain CDS systems in accordance with security requirements, system lifecycles, and standard architectures.
• Support CDS services within assigned technology discipline across all security domains and IT environments as required.
• Provide timely and effective customer support for service requests and incidents.
• Support the transition and release of newly developed CDS services.

Expectations of the role:

• Work collaboratively across CDS Infrastructure services teams to provide seamless and efficient operations/support of CDS services.
• Engage in continuous improvement and service maturity initiatives led by the Service Management and Business Management teams.
• Maintain required professional certifications (e.g. Security+, CISSP) required to maintain system access and satisfy relevant compliance requirements.
• Engage in continuous learning to maintain relevant knowledge, skills, and abilities required to support modern technologies in assigned work area.

Qualifications You Must Have:

• Typically requires a University Degree or equivalent experience and a minimum 8 years of experience, or an Advanced Degree and a minimum 5 years experience.
• 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.
• Top Secret Security Clearance

Qualifications We Prefer:

• CASP X
• CISSP
• Security+

What We Offer: Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

Learn More & Apply Now!
Work Location: Onsite - McKinney, TX or Tucson, AZ

Please consider the following role type definition as you apply for 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

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 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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