Maintenance & Repair Administrative Specialist

Cornerstone Wireless, LLC.; Phoenix (AZ); On-site; USD 42,000 - 56,000; Full time

Benefits offered by this job

Health, Dental, Vision PPO Insurance

Life Insurance

STD, LTD Insurance

Paid Time Off

Bereavement & Special Paid Time Off

Years of Service Awards

Education Assistance Program

Job summary

Cornerstone Wireless, LLC. is seeking an organized and detail‑oriented Administrative Vendor Coordinator to support procurement, invoicing, and maintenance operations in Phoenix, AZ.

The role involves sourcing vendors, handling quotes, processing invoices, and keeping accurate maintenance records. The ideal candidate will have experience in administrative support, vendor coordination, and purchasing, with proficiency in Microsoft Excel, Outlook, and Word.

Qualifications

• Experience in administrative support and vendor coordination preferred.
• Proficiency with Excel, Outlook and Word.
• Strong organizational skills and attention to detail.
• Ability to communicate professionally with vendors and internal teams.
• Experience in logistics, warehousing, fleet maintenance, or equipment repair is a plus.

Responsibilities

• Source and coordinate vendors, repair shops, parts suppliers, and service providers; request quotes and schedule service appointments.
• Manage invoices, receipts, purchase orders, and supporting documents; verify charges against quotes and work performed.
• Support payment requests, approvals, and status tracking; respond to vendor inquiries.
• Maintain maintenance and equipment records with service dates, costs, and next service due.
• Track repair requests and communicate progress to maintenance team; schedule preventive maintenance reminders.
• Assist with ordering parts, tracking deliveries, and maintaining related purchase records.
• Update expense reports, vendor contacts, warranty records, and other departmental files.

Skills

Vendor coordination

Administrative support

Purchasing

Accounts payable

Excel

Outlook

Word

Organization

Tools

Excel

Outlook

Word

Job description

Phoenix, AZ

Location: Phoenix, AZ

Employment Type: Full Time

Shift

• Shift: 1 Monday – Friday Day Shift (5am ~ 2pm)
• Shift: 2 Monday – Friday Day Shift (2pm ~ 11pm)

Responsibilities

Vendor sourcing and coordination: Identify repair shops, parts suppliers, and service providers; request quotes; compare pricing, availability, and turnaround times; and coordinate service appointments.

Invoice and receipt management: Collect, organize, and file invoices, receipts, purchase orders, and supporting documents. Verify charges against approved quotes and completed work, and follow up on discrepancies.

Payment processing support: Prepare payment requests, obtain required approvals, submit documentation to Accounting, and track payment status. Respond to vendor billing inquiries.

Maintenance recordkeeping: Maintain accurate records by equipment or asset number, including service dates, repair details, parts replaced, costs, mileage or operating hours, and the next scheduled service.

Repair request tracking: Maintain a log of open maintenance requests, scheduled appointments, repair progress, and completion dates. Follow up with vendors and communicate updates to the maintenance team.

Preventive maintenance scheduling: Track upcoming service requirements and send reminders to help ensure maintenance is completed on time.

Parts and supply support: Assist with ordering approved parts and supplies, tracking deliveries, and organizing related purchase records.

Reporting and general administration: Update maintenance expense reports, vendor contact lists, warranty records, and other departmental files. Provide general administrative support as needed.

Qualifications

• Previous experience in administrative support, vendor coordination, purchasing, or accounts payable preferred.
• Proficiency in Microsoft Excel, Outlook, and Word.
• Strong organizational skills, attention to detail, and ability to follow up on multiple tasks.
• Ability to communicate professionally with vendors, technicians, operations staff, and Accounting.
• Experience in logistics, warehouse operations, fleet maintenance, or equipment repair is a plus.
• Basic familiarity with equipment and maintenance terminology is helpful; technical repair experience is not required.

Benefits (Full-Time ONLY)

• Health, Dental, and Vision PPO Insurance
• Life, STD, LTD Insurance
• Paid Time Off
• Additional Paid time off (Bereavement, Wedding, Birth of a Child, etc.)
• Years of Service Awards
• Education Assistant Program (Based on Eligibility)

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Cornerstone Wireless, LLC.’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.