Senior Administrative Assistant

Date Posted:

2026-08-12

Country:

United States of America

Location:

US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

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. 

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

The Hardware Engineering Department is seeking a highly organized, detail‑oriented Senior Administrative Assistant to provide operational, logistical, and administrative support to engineering leadership and project teams. The ideal candidate is proactive, adaptable, and comfortable working in a fast-paced technical environment. This role is critical to ensuring efficient day‑to‑day operations and helping the team stay focused on engineering execution.

This Senior Administrative Assistant position will be based onsite at our McKinney, TX facility. Relocation is not available for this role.

What You Will Do

• Provide general administrative support to the Engineering leadership team including scheduling, calendar management, and meeting coordination.
• Prepare, edit, and distribute departmental communications, presentations, and documentation.
• Assist with generating, tracking, and organizing engineering documents, reports, and project records.
• Coordinate departmental meetings, events, and technical reviews; manage agendas, minutes, and follow-up actions.
• Support onboarding activities for new engineering team members.
• Assist with budget tracking, purchase requisitions, and invoice processing.
• Maintain department organization systems including shared drives, project folders, and resource libraries.
• Serve as a liaison between Engineering and other business functions such as HR, IT, Finance, Supply Chain, and Facilities.
• Coordinate travel arrangements and expense reports for engineering staff.
• Manage administrative tasks related to compliance, training, and internal audit readiness.
• Support departmental initiatives to improve operational efficiency.

Qualifications You Must Have  

• Typically requires an AA/AS degree (or other 2-year post high school training) with a minimum of 6 years of relevant experience.
• Strong proficiency with Microsoft Office Suite (Outlook, Excel, Word, PowerPoint, SharePoint)
• Experience with calendar management & meeting coordination
• Positive attitude, strong interpersonal skills, and willingness to support a high performing team.

Qualifications We Prefer

• Excellent written and verbal communication skills.
• Highly organized with strong attention to detail.
• Ability to multitask and prioritize competing demands.

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
• Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care.

Learn More & Apply Now!

• 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

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 53,100 USD - 100,900 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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