Administrative Assistant (Onsite)

Date Posted: 2026-06-09 Country: United States of America Location: US-SC-SIMPSONVILLE-1001 ~ 1001 Old Stage Rd ~ OLD STAGE Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future. The company will not offer immigration sponsorship for this position. The company will not seek an export authorization for this role. Security Clearance Type: None/Not Required Security Clearance Status: Not Required The Administrative Assistant plays a critical role in supporting daily operations across Collins Aerospace’s TEDS business by serving as the central point of coordination for visitor management, employee support, administrative processes, and site access compliance. Supporting leadership, staff, and approximately 332 onsite employees across the Simpsonville, SC and Medford, NY locations, this position helps ensure a secure, organized, and professional workplace environment while maintaining continuity across multiple facilities. The role serves as a key liaison for employees, visitors, contractors, and business partners, helping to keep essential site operations running smoothly and efficiently. This position is responsible for overseeing front desk and lobby operations, visitor screening and access control, onboarding support, facilities coordination, event logistics, office services, and employee communications. The Administrative Assistant works closely with leadership, security, facilities, IT, and external vendors to manage compliance sensitive processes, support customer and employee interactions, and coordinate a wide range of operational activities. This is an ideal opportunity for a highly organized professional who enjoys balancing administrative responsibilities with hands on site coordination while making a visible impact on the day to day experience of employees and visitors. This is an onsite role in Simponsville, SC. What You Will Do: Provides dependable administrative support to Director and Assistant Directors (M7/M6 leaders), including scheduling coordination, document readiness, information routing, and day‑to‑day operational assistance within established guidelines Demonstrates strong attention to detail by accurately executing established administrative, access control, and visitor management procedures Provides consistent, professional customer service to employees, visitors, and vendors in a front‑of‑house environment Follows defined processes, compliance requirements, and work instructions with reliability and minimal supervision Prioritizes daily tasks effectively to meet operational needs across two onsite locations Communicates clearly and respectfully with employees, customers, and technicians to resolve routine issues and ensure smooth site operations Uses standard office software, workflow systems, and scheduling tools to complete tasks efficiently Escalates exceptions or non‑standard situations appropriately to supervisors or subject‑matter experts Collaborates with facilities, security, IT, and leadership teams to ensure timely completion of operational and administrative activities Maintains confidentiality, professionalism, and adherence to RTX/Collins access and compliance expectations Adapts to shifting onsite demands, visitor volumes, and event schedules while maintaining service quality Qualifications You Must Have: Typically requires a High School Diploma, Associate Degree, or other two-year post-secondary training with less than 2 years of relevant experience Experience supporting administrative operations, visitor management, access control, front desk functions, or site coordination Experience utilizing visitor management systems, badge/access control processes, or other compliance-driven administrative procedures Experience using Microsoft Office applications, including Outlook for calendar management and scheduling Experience working with enterprise business systems such as Workday, Concur, SAP, or similar workflow platforms Experience coordinating multiple administrative activities, schedules, or customer support functions simultaneously Qualifications We Prefer: Experience within similar Tier 1 aerospace/defense environments Familiarity with RTX access control protocols, MK Denial screening requirements, and VMS workflows Prior experience coordinating contractors, vendors, or service technicians under regulated access conditions Knowledge of print operations, office supply management, or facilities service ticketing systems Strong written and verbal communication skills Strong organizational and customer service skills What We Offer: Some of our competitive benefits package includes: Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Optional coverages you can buy: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Ovia Health, fertility, and family planning Adoption Assistance Autism Benefit Employee Assistance Plan, including up to 10 free counseling sessions Healthy You Incentives, wellness rewards program Doctor on Demand, virtual doctor visits Bright Horizons, child and elder care services Teladoc Medical Experts, second opinion program And more! Learn More & Apply Now! Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. *Please ensure the role type (defined below) is appropriate for your needs before applying to 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. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again. Apply now and be part of the team that’s redefining aerospace, every day. 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 38,500 USD - 67,500 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX 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, Pratt & Whitney, and Raytheon. Its 195,000 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, Virginia.