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Administrative Assistant

RTC Aerospace
Simi Valley, CA Full Time
POSTED ON 4/16/2025
AVAILABLE BEFORE 6/10/2025

About Vanderhorst Brothers and RTC Aerospace:

This position is for RTC Aerospace’s sister company, Vanderhorst Brothers, Inc. (VBI) located in Simi Valley, CA. VBI is a team of highly skilled professionals from a variety of backgrounds. We work together to support our customers through expertise, cooperation, innovation, and a shared sense of urgency. We actively seek challenging projects, and we drive our industry forward by investing in the latest machinery, technology, and production techniques.

RTC Aerospace is a 60-year-old aerospace manufacturer of complex, high-tolerance, difficult-to-machine parts. We have 4 facilities across the nation bringing exceptional cellular manufacturing capabilities and unique engineered solutions to our clients’ designed products. We are a company driven by ambitious individuals, working together to become an industry leader in lean-cell manufacturing. Come be a part of something exceptional at RTC Aerospace! How You’ll Make an Impact

How You’ll make an Impact:

The Administrative Assistant provides essential support to the office by managing front desk responsibilities, maintaining organized records, and performing light data entry. This role is often the first point of contact for visitors and callers, requiring strong communication and interpersonal skills. The position plays a critical role in maintaining confidentiality while handling sensitive information and supports HR by assisting with entry-level recruiting activities. The Administrative Assistant works cross-functionally with internal teams and contributes to overall office efficiency and professionalism, particularly in a manufacturing environment.


What you’ll be doing as a Project Based Administrative Assistant:

  • Working a Full-time, onsite position at our Simi Valley, CA location.
  • Answer and direct incoming phone calls; transfer calls or page employees via loudspeaker as needed.
  • Greet and check in visitors, assign name badges, and ensure sign-in protocols are followed.
  • Make company-wide announcements over the loudspeaker.
  • Perform light data entry and assist in maintaining accurate records.
  • Assist with HR tasks such as sorting resumes for recruitment and logging training documents.
  • Support a large-scale document digitization project by scanning old files, organizing digital records, and coordinating shredding of outdated documents.
  • Maintain confidentiality when handling sensitive employee or business information.
  • Assist with entry-level recruiting tasks such as reviewing resumes and forwarding qualified candidates.
  • Keep the front office clean, organized, and welcoming to guests and employees.
  • Performs other duties as assigned.

Required Qualifications (Education, skills, and experience:

  • High school diploma or equivalent required; associate degree or administrative certification preferred.
  • 1 years of administrative or front desk experience, ideally in an office, manufacturing, or industrial environment.
  • Strong verbal and written communication skills.
  • Excellent organizational skills with high attention to detail.
  • Demonstrated ability to handle confidential information with discretion and professionalism.
  • Proficient in Microsoft Office Suite (Word, Excel, Outlook) and basic office equipment.
  • Comfortable with multitasking and prioritizing tasks in a fast-paced environment.

Preferred Qualifications (Education, skills, and experience):

  • Experience working in a manufacturing or production setting.
  • Familiarity with applicant tracking systems or basic HR support tasks.
  • Previous experience managing large filing or digitization projects.
  • Bilingual abilities are a plus.
Physical Demands:
The physical demands and work environment characteristics described here are representative of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


While performing the duties of this job, the employee is frequently required to do the following:

  • Occasional ability to lift or move 25-50lbs.
  • Reach forward, up, down and to the side in order to move equipment.
  • Continuous standing and walking throughout the workday.
  • Ability to reach with hands and arms; use hands to manipulate, handle, or feel material.
  • Access, input, and retrieve information from a computer.

Work Environment:
A large percentage of work time is spent in a machine shop where temperatures vary from hot to cold. The environment may also include exposure to noise, dust, fumes, vapor from coolant, etc. Industry standard safety equipment is provided by the Company, and specific notice is posted in areas where safety equipment is required.

Compensation and Benefits:


Employee Benefits:
Medical, dental, vision, basic and supplemental life insurance, long-term disability and 401(k) with up to 6% QACA company match.

The Administrative Assistant Compensation range for onsite California applicants is $20-22/hr. commensurate with experience. Some shifts may include shift differential pay rates. Other site ranges may differ.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

This position must meet Export Control compliance requirements, therefore a “US Person” as defined by 22 C.F.R. § 120.15 is required.

RTC is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Affirmative Action and Disability Accommodation Applicants wishing to receive information on RTC’s Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact the RTC Human Resources Department. If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access our career center as a result of your disability. To request an accommodation, contact the RTC Human Resources Department. Candidates will receive consideration without discrimination in accordance with the requirements of article 9 to chapter XVIII of the City of Los Angeles Municipal Code, federal and state laws of California.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access our career center as a result of your disability. To request an accommodation, contact the Human Resources Department.

Salary : $20 - $22

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