Temporary Administrative Assistant

Please be aware of recruiting scams! All legitimate communication from our recruitment team will come from an official calstart.org email address via email, we will not text you about a role you have not applied to or shown interest in. We will not perform any interviews via text or Zoom chat.CALSTART does not ask for any fees or personal information such as social security numbers or bank details during the recruitment process.About UsCALSTART is a mission-driven industry organization focused on transportation decarbonization and clean air for all.For over 30 years, it’s been CALSTART’s mission to develop, assess, and implement large-scale, zero-emission transportation solutions to mitigate climate change and support economic growth. CALSTART works with businesses, organizations, governments, and communities to create real-life impact toward clean air and equitable access to clean transportation for all. CALSTART provides scientific, technical and policy support for regulatory development and clean technology and infrastructure acceleration.The Administrative Assistant provides essential on-site support at CALSTART’s Pasadena headquarters, ensuring that day-to-day operations run smoothly and efficiently. This role is ideal for someone who takes pride in keeping things organized, moving, and on schedule. You’ll be a central point of contact for staff, vendors, and visitors, helping make the headquarters a professional, welcoming, and well-run environment.This is an on-site, temporary role based in our Pasadena, CA headquarters.What You’ll DoServe as the central administrative support for CALSTART’s Pasadena office, ensuring smooth daily operations. Handle mail and packages, manage office and kitchen supplies, and coordinate ergonomic and maintenance needs. Support meetings and events through scheduling, setup, logistics, and travel coordination. Manage building access, vendor visits, and assist accounting with invoices, requisitions, and postage funds. Help program teams with shipping, materials tracking, and event logistics. Greet visitors, answer mainline calls, and provide a professional on-site experience. Collaborate with the Manager of Facilities & Safety to complete administrative tasks accurately and on time.What You’ll Bring To The Table At least three years of experience performing administrative, facilities, or office coordination work in a professional environment. Intermediate to advanced proficiency in Microsoft Outlook, Excel, Word, and Teams. Advanced Excel skills preferred. Proven ability to manage multiple priorities with accuracy and attention to detail. Strong organizational and time-management skills, with a focus on follow-through and reliability. Clear, professional written and verbal communication skills. Sound judgment, discretion, and initiative when handling sensitive or time-critical matters. A collaborative mindset and eagerness to contribute to a supportive, team-oriented workplace. $25 - $29.81 an hourCALSTART values transparency and strives to provide as much information regarding compensation as possible. The salary range for this role is $25 - $ 29.81 per hour . We determine pay based on several factors, including but not limited to job-related skills, qualifications, experience, education, internal equity and other factors relevant to the job.We understand that not everyone will match the above qualifications 100%. If your background isn't perfectly aligned but you feel you would be a great addition to the team, we'd love to hear from you.We're a tight-knit team of world-class innovators, business minds, and change agents who believe passionately in our mission and put our team ahead of self. We are committed to the continued development and growth of our employees and invest in your success!We care about your personal well being as much as your professional success and offer generous benefits to full time employees including: 100% company paid comprehensive health benefits for Medical, Dental, Vision, Short Term Disability, Long Term Disability and Life Insurance, Retirement plan with generous company contributions, FSA for Health and Dependent Care, 3 weeks of vacation time in the first year of employment, 11 paid company holidays, paid sick time, paid family leave, and more!Our inclusive environment focuses on making decisions based on merit without regard to race, color, hair texture, gender, religion, age, nationality, social or ethnic origin, sexual orientation, gender identity, gender expression, LGBTQIA+ status, marital status, pregnancy, disability, genetics, veteran status, or any other characteristic protected by law.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.