Join Our Construction Office Team! Part-Time Admin Support AP/Bookkeeping On-Site $25-$28/hr at Cornerstone Environmental Contractors Join Our Construction Office Team! Part-Time Admin Support AP/Bookkeeping On-Site $25-$28/hr at Cornerstone Environmental Contractors in Pleasant Hill, California Posted in about 17 hours ago.

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part-time Company Description Cornerstone Environmental Contractors, Inc., established in 1996, is a fully licensed environmental remediation contractor with over 29 years of specialized experience. Our well-established California construction company is seeking a highly skilled Part-Time Administrative Support Specialist to join our collaborative, in?office team. This role is ideal for an experienced administrative professional who thrives in a fast-paced construction environment and enjoys supporting both daily operations and executive-level leadership. Key Responsibilities Manage Accounts Payable with accuracy and timeliness Prepare and record bank deposits and maintain financial documentation Handle company correspondence , including mail, email, and formal notices Support collections and follow-up on outstanding customer balances Assist with contractor licensing compliance and renewal documentation Provide sales tax support , including filing preparation and recordkeeping Offer executive-level administrative support to company leadership Collaborate with office staff to maintain an organized, efficient workflow Required Qualifications 5+ years of Accounts Payable and bookkeeping experience Proficiency with QuickBooks Desktop (strongly preferred) Experience supporting executive-level management Strong organizational and time-management skills Ability to work on-site in a collaborative office environment Excellent communication skills and a team-oriented mindset Construction industry experience is a plus What We Offer Competitive hourly pay: $25-$28 per hour Life insurance coverage Employee support programs A stable, supportive workplace with long-term team members Opportunity to contribute meaningfully to a respected construction company Who Thrives in This Role Detail-oriented professionals who enjoy structured financial work Team players who value collaboration and communication Individuals who take initiative and support leadership proactively Those who prefer an on-site, consistent work environment If you meet the qualifications and are looking for a part-time role with a respected construction company, we'd love to hear from you. Apply directly through or submit your resume to our hiring team. Qualifications Strong communication skills for interacting with team members, vendors, and clients, including clear written and verbal communication. Administrative assistance and office administration skills to manage daily office operations, scheduling, filing, and document organization. Customer service abilities to respond professionally to inquiries, support field and office staff, and maintain positive working relationships. Accounting and accounts payable experience, including invoice processing, basic bookkeeping, and reconciliation of records. Proficiency with office software (e.g., MS Office, email tools) and the ability to learn company-specific systems. Strong attention to detail, organizational skills, and the ability to manage multiple tasks in a fast-paced environment. Prior experience in a construction, environmental services, or similar industry office is beneficial. College degree- Accounting or Business or equivalent preferred; additional coursework or certification in accounting or office administration is a plus. #ConstructionAdmin #AdministrativeSupport #AccountsPayable #ContractorComplianceSupport #QuickBooksDesktop