Sr. Coordinator, Admin

Job description

Date Posted: 2026-08-31 Country: United States of America Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 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 Processing, Guidance & Control (PG&C) Center, within the Systems Engineering and Test Capabilities Discipline, consists of Signal Processing (SP), Guidance, Navigation and Control (GNC) and Modeling and Simulation disciplines. PG&C delivers key technologies to our effector programs portfolio. The Guidance, Navigation, and Control (GNC) teams provide aerodynamic and autopilot designs, optimized system motion designs, and state estimation to facilitate mission guidance goals.The Signal Processing (SP) teams extract and exploit signals from both active and passive sensors to be used for acquiring, detecting, tracking, and classifying objects of interest. The Modeling Simulation Analysis (MSA) teams are responsible for product-level simulations that help us design, develop, verify, and validate our products and capabilities. Our simulations model the components and subsystems that make up our designs, and the world our products interact with.The Signal Processing (SP) team within the PG&C Center is currently hiring for an administrative assistant (Sr. Coordinator, Admin) to provide high-level administrative support. As an administrative assistant, you will have a key role with a variety of responsibilities that fall within three main categories: Provide support to the Center leadership team, provide as-needed support for over 1,000 employees within the Center and interface with staff across other Centers within the Systems Engineering and Test Capabilities Discipline. This role will cover three department leaders and the members of three departments, numbering around 450 people.This individual must exhibit the utmost level of professionalism and use excellent interpersonal skills to build relationships with the leadership team. The administrative assistant will maintain a high degree of confidentiality and will need to exhibit discretion when handling sensitive information. This position is onsite in Tucson, AZ.What You Will Do • Perform a wide variety of intricate administrative duties requiring professionalism, tact, diplomacy, discretion, and sound judgement. This includes managing calendars, demonstrating flexibility and problem-solving abilities to adjust or prioritize schedules based on last-minutes changes. • Arrange for conference rooms, catering, audio/video, and other essential services for meetings and conferences. • Compile and/or assist in preparation of various documents, to include but not limited to meeting minutes, presentations, reports, correspondence, and other materials. • Attend meetings and other functions as requested. • Plan and coordinate on-boarding and off-boarding activities for employees using Raytheon tools, processes, and procedures. • Work with the PG&C administrative team on various projects, as well as, assisting with improving processes where necessary. Qualifications You Must Have • Typically requires an Associate’s Degree (or other 2 year post high school training) and a minimum of 6 years of administrative experience supporting large employee populations, senior leaders, and/or multiple organizational groups • Experience using Microsoft Office Suite Tools, to include but not limited to: Outlook, OneNote, PowerPoint, Word, Excel, Teams, etc. • Experience with calendar organization, meeting scheduling and coordination, event planning, and generation of travel and expense reports • The ability to obtain an active and transferable U.S. government issued Secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer • Comfortable working in a fast-paced environment where non-routine requests and situations occur frequently. • Experience working independently as well as working in a team environment. • Evidence of being a self-starter with the ability to take appropriate initiative and independent judgement for assisting leaders, customers, employees, and others. • Experience working with Raytheon policies, procedures, forms, processes and tools, such as CAFM, ServiceNow, Workday, WebTE, SAP/APEX, RTime, etc. 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. • Relocation Eligible - relocation assistance is available for this position 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 devel