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Internship Invoice Processing Jobs in Arizona (NOW HIRING)

SRP

College Intern - Fleet Services Auto Parts

Tolleson, AZ · Hybrid

$14.75 - $19.75/hr

This internship offers students the opportunity to apply classroom knowledge to real‑world ... Perform invoice coding and ensure accurate entry into internal systems * Complete data entry tasks ...

DSV

Customer Service Agent, Expeditor

Arizona City, AZ · On-site

Point of contact for resolution of mismatches, invoice payment issues, exceptions/defect resolution ... Guides new hires and interns during their training process Other Duties * Performs other duties as ...

Amphenol

Buyer/Planner

Mesa, AZ

$56K - $77K/yr

This entry-level role focuses on purchase order processing, schedule maintenance, data accuracy ... Internship or co-op experience in purchasing or planning a plus. Skills & Competencies

amphenol

Buyer/Planner

Mesa, AZ

$56K - $77K/yr

This entrylevel role focuses on purchase order processing, schedule maintenance, data accuracy, and ... Internship or coop experience in purchasing or planning a plus. Skills & Competencies * Familiarity ...

Amphenol

Buyer/Planner-Mesa,Arizona

Guadalupe, AZ

$56K - $77K/yr

This entry-level role focuses on purchase order processing, schedule maintenance, data accuracy ... Internship or co-op experience in purchasing or planning a plus. Skills & Competencies

Amphenol

$57K - $79K/yr

This entry-level role focuses on purchase order processing, schedule maintenance, data accuracy ... Internship or co-op experience in purchasing or planning a plus. Skills & Competencies

Amphenol

Buyer/Planner

Mesa, AZ · On-site

$68K - $78K/yr

This entry-level role focuses on purchase order processing, schedule maintenance, data accuracy ... Internship or co-op experience in purchasing or planning a plus. Skills & Competencies

Arizona Department of Administration

$90K/yr

... and internship opportunities, AHCCCS offers meaningful career opportunities in a competitive ... AZ360 (formerly AFIS) financial system functions, including invoice and payment processing ...

Arizona State Hospital

Job Page

Phoenix, AZ · On-site

$90K/yr

... and internship opportunities, AHCCCS offers meaningful career opportunities in a competitive ... AZ360 (formerly AFIS) financial system functions, including invoice and payment processing ...

Arizona Department of Administration

$90K/yr

... and internship opportunities, AHCCCS offers meaningful career opportunities in a competitive ... AZ360 (formerly AFIS) financial system functions, including invoice and payment processing ...

Arizona State Hospital

Job Page

Phoenix, AZ · On-site

$90K/yr

... and internship opportunities, AHCCCS offers meaningful career opportunities in a competitive ... AZ360 (formerly AFIS) financial system functions, including invoice and payment processing ...

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All JobsInternship Invoice Processing JobsInternship Invoice Processing Jobs in Arizona

Internship Invoice Processing information

What is the difference between Internship Invoice Processing vs Accounts Payable Clerk?

AspectInternship Invoice ProcessingAccounts Payable Clerk
CredentialsTypically students or entry-level with basic finance or accounting knowledgeHigh school diploma or associate degree; some certifications preferred
Work EnvironmentInternship setting, often in corporate finance or accounting departmentsFull-time office environment handling ongoing invoice processing
Employer & IndustryCompanies across industries, often as part of internship programsBusinesses with regular accounts payable operations
Search & ComparisonOften searched by students or entry-level job seekersCompared for experienced roles in finance departments

Internship Invoice Processing involves assisting with invoice entry and verification, typically as part of an internship program. In contrast, Accounts Payable Clerks handle ongoing invoice processing, payment scheduling, and record-keeping as full-time employees. While both roles involve invoice management, internships focus on learning and support, whereas clerks perform routine, essential tasks in finance operations.

What are the most commonly searched types of Invoice Processing jobs in Arizona? The most popular types of Invoice Processing jobs in Arizona are:
What are popular job titles related to Internship Invoice Processing jobs in Arizona? For Internship Invoice Processing jobs in Arizona, the most frequently searched job titles are:
What job categories do people searching Internship Invoice Processing jobs in Arizona look for? The top searched job categories for Internship Invoice Processing jobs in Arizona are:
What cities in Arizona are hiring for Internship Invoice Processing jobs? Cities in Arizona with the most Internship Invoice Processing job openings:
Internship Invoice Processing jobs near you
Infographic showing various Internship Invoice Processing job openings in Arizona as of June 2026, with employment types broken down into 80% Full Time, 14% Part Time, 3% Temporary, and 3% Nights. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution.
Category Buyer I or II (High Voltage)

Category Buyer I or II (High Voltage)

MasTec Inc

Phoenix, AZ

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 hours ago

MasTec rating

7.5

Company rating: 7.5 out of 10

Based on 151 frontline employees who took The Breakroom Quiz

31st of 78 rated construction

Job description

Overview

The Category Buyer I or II is responsible for leading and acting as the point of contact for end-to-end purchasing life cycle of materials including planning and executing purchase orders, determining transport for these orders on/off job site, executing agreements, expediting material and resolving quality and invoice issues. This position will ensure materials are purchased at the lowest total cost consistent with considerations of quality, reliability of source, and urgency of need. The Category Buyer partners with the Category team to build and leverage category strategies and manage supplier performance. Responsible for tactical purchasing activities of assigned commodities while establishing and maintaining excellent vendor and internal customer relationships. Follows, improves, and maintains processes and systems utilized by the company to perform buying related tasks and functions.

Company Overview:

MasTec Renewables, comprised of Wanzek Construction, IEA Constructors, and White Construction, combines over 20 years of experience in renewable energy construction. Depending on your position and project, you may work for one or more of our companies over your career with us. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #17 Top 50 Domestic Heavy Contractors, #20 Transportation Contractor). 

We embrace diverse perspectives among our employees and across all levels of our business, including our suppliers, community partners, and clients. We have built a multidimensional workforce that brings valuable differences in perspectives, work ethics, and approaches to our organization. By collaborating across departments, we foster innovation and encourage everyone—from interns to executives—to share their ideas and make an impact. Our goal is to create a respectful work environment where all employees feel valued, included, and empowered to become innovative leaders in our industry.

The MasTec Renewables market sector is part of the MasTec Clean Energy & Infrastructure (CE&I) business segment. The CE&I segment generates over $4.5 billion in annual revenue, providing construction services across our renewables, industrial, infrastructure, and general building operating groups. Sustainability and safety are foundational to our culture and influence everything we do.

MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #16 Top 50 Domestic Heavy Contractors, #13 Transportation Contractor). 


Responsibilities

Essential Job Functions:

  • Develop plans, generate, adjust and expedite purchase orders based upon requisitions, project insights, interpretation of drawing take-offs, billing of materials (BOM), and inventory strategies
  • Lead initiatives to expedite tracking and monitoring of purchase orders in the most efficient and effective manner, keeping informed and mitigating any problems and delays, while communicating any impacts or constraints to the Planner and Project Manager
  • Distribute and facilitate day to day communication with suppliers to ensure on time delivery, system data integrity and ordering parameters for individual materials
  • Communicate site access maps to suppliers along with all relevant transport and communication information to suppliers
  • Ensure suppliers are in compliance with safety, quality, and performance requirements
  • Build strong knowledge of assigned category, inclusive of manufacturing process, key supplier capabilities, pricing, and should cost models
  • Keep abreast of new and emerging technologies related to Procurement practices and assigned category
  • Review spend trends and market projections to support sourcing decisions and maintain competitiveness for assigned commodities
  • Facilitate meetings internally and externally to manage, track, and expedite orders
  • Maintain clear communication channels with internal stakeholders regarding deviation from best practices if project delivery dates are at risk of being compromised or delayed
  • Verify requisition data and resolve discrepancies through detailed communication with requisitioners and suppliers
  • Participate in vendor negotiations and identify deviations from standard contract terms
  • Coordinate with internal stakeholders including legal, commercial services, permitting, insurance, accounting, and preconstruction to ensure contract compliance and proper documentation
  • Own purchase order book by ensuring data cleanliness, completeness, and reliability of data from requisition to payment of invoice
  • Oversee vendor submittals related to materials and ensure the processes are being followed in a timely manner and resolve issues as they arise
  • Provide input to Project Scheduling team for project schedules, including vendor submittal lead times, applicable material lead times, and any changes in schedule for executed purchase orders
  • Participate in regular business reviews with suppliers to review performance including safety, quality, timeliness, and competitiveness
  • Maintain procurement data, support KPI reporting, and assist with project closeout and administrative procurement activities
  • All other duties as assigned

Qualifications

Category Buyer I: 

Education and Work Experience Requirements:

  • Bachelor’s degree in Supply Chain Management, Business, Finance or an equivalent combination of education and/or experience
  • One+ years related experience in purchasing, planning or a related Supply Chain function
  • Experience within construction industries preferred 

Knowledge, Skills and Abilities Required:

  • Knowledge of construction processes, materials, purchasing processes and procedures
  • Data analysis and problem-solving skills
  • Advanced knowledge of Microsoft office suite
  • Ability to be accurate, precise and follow set procedures and standards
  • Collaboration, written and verbal communication skills
  • Ability to travel up to 25%

Category Buyer II: 

Education and Work Experience Requirements:

  • Bachelor’s degree in Supply Chain Management, Business or Finance, or an equivalent combination of education and/or experience
  • Three+ years related experience in purchasing, planning or a related Supply Chain function
  • Experience within construction industries preferred

Knowledge, Skills and Abilities Required:

  • Strong knowledge of sourcing strategies and terms and conditions with each supplier and the commodity markets for which you support
  • Ability to work independently with skills in sound judgement, critical thinking excellent business judgement and strategic thinking
  • Knowledge of materials, purchasing processes and procedures
  • Negotiating, organizing, planning, verbal and communication skills
  • Strong data analysis and problem-solving skills
  • Advanced knowledge of Microsoft office suite
  • Ability to read and interpret engineering and technical documents
  • Ability to be accurate, precise and follow set procedures and standards
  • Excellent collaboration and written and verbal communication skills
  • Ability to interact professionally with all levels within the organization and with clients and suppliers
  • Ability to travel up to 25%

Working Environment:

  • When visiting jobsites the work environment involves some exposure to hazards or physical risks, which require following basic safety precautions
  • This work environment may involve moderate exposure to unusual elements, such as extreme temperatures, dirt, dust, fumes, smoke, unpleasant odors and/or loud noises

What's in it for You

Financial Wellbeing

  • Compensation $70,000 - $103,000 / year, commensurate with experience
  • Competitive pay with ongoing performance review and merit increase
  • 401(k) with company match & Employee Stock Purchase Plan (ESPP)
  • Flexible spending account (Healthcare & Dependent care)

Health & Wellness

  • Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
  • Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance, Weight Management Drug Discount
  • Discounted National Gym Membership Network

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including Benefits Continuation
  • Employee Assistance Program

Planning for the Unexpected

  • Short and long-term disability, life insurance, and accidental death & dismemberment
  • Voluntary life insurance, accident, critical illness, hospital indemnity coverage
  • Emergency Travel Assistance Program
  • Group legal plan

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information. 

MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at  https://reportfraud.ftc.gov/.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

#LI-KW1

Qualifications:

Category Buyer I: 

Education and Work Experience Requirements:

  • Bachelor’s degree in Supply Chain Management, Business, Finance or an equivalent combination of education and/or experience
  • One+ years related experience in purchasing, planning or a related Supply Chain function
  • Experience within construction industries preferred 

Knowledge, Skills and Abilities Required:

  • Knowledge of construction processes, materials, purchasing processes and procedures
  • Data analysis and problem-solving skills
  • Advanced knowledge of Microsoft office suite
  • Ability to be accurate, precise and follow set procedures and standards
  • Collaboration, written and verbal communication skills
  • Ability to travel up to 25%

Category Buyer II: 

Education and Work Experience Requirements:

  • Bachelor’s degree in Supply Chain Management, Business or Finance, or an equivalent combination of education and/or experience
  • Three+ years related experience in purchasing, planning or a related Supply Chain function
  • Experience within construction industries preferred

Knowledge, Skills and Abilities Required:

  • Strong knowledge of sourcing strategies and terms and conditions with each supplier and the commodity markets for which you support
  • Ability to work independently with skills in sound judgement, critical thinking excellent business judgement and strategic thinking
  • Knowledge of materials, purchasing processes and procedures
  • Negotiating, organizing, planning, verbal and communication skills
  • Strong data analysis and problem-solving skills
  • Advanced knowledge of Microsoft office suite
  • Ability to read and interpret engineering and technical documents
  • Ability to be accurate, precise and follow set procedures and standards
  • Excellent collaboration and written and verbal communication skills
  • Ability to interact professionally with all levels within the organization and with clients and suppliers
  • Ability to travel up to 25%

Working Environment:

  • When visiting jobsites the work environment involves some exposure to hazards or physical risks, which require following basic safety precautions
  • This work environment may involve moderate exposure to unusual elements, such as extreme temperatures, dirt, dust, fumes, smoke, unpleasant odors and/or loud noises

What's in it for You

Financial Wellbeing

  • Compensation $70,000 - $103,000 / year, commensurate with experience
  • Competitive pay with ongoing performance review and merit increase
  • 401(k) with company match & Employee Stock Purchase Plan (ESPP)
  • Flexible spending account (Healthcare & Dependent care)

Health & Wellness

  • Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
  • Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance, Weight Mana...

What MasTec employees say

Pay

Benefits

Hours and flexibility

Workplace

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