ADMIN SUPPORT

Alta E&I; Tempe (AZ); On-site; USD 35,000 - 50,000; Full time

Benefits offered by this job

Benefits package

Paid certifications

Mentorship program

7 paid holidays

Job summary

Alta Environmental & Infrastructure in Tempe, AZ is seeking an Administrative Assistant to support our Geotechnical Engineering team.

You will handle data entry, proposals, file management, phone support, and general office tasks to ensure smooth operation and effective project delivery.

Qualifications

• High school diploma or equivalent required.
• Proven administrative experience, preferably in environmental or sustainability-focused organization.
• Strong organizational and time management skills with ability to multitask.
• Excellent written and verbal communication with attention to detail.
• Proficiency in Microsoft Office Suite and familiarity with project management tools.
• Ability to work independently and as part of a team.

Responsibilities

• Prepare proposals, letters, and reports for Project Managers.
• Copy, scan and file documents.
• Assist with copying, filing, report reproduction, and mailing.
• Answer phones and distribute messages accurately.
• General office duties as required.

Skills

Organizational skills

Multitasking

Communication skills

Microsoft Office

Education

High school diploma

Tools

Microsoft Office Suite

Project management software

Job description

Alta Environmental & Infrastructure is one of Arizona’s fastest-growing engineering firms, with nearly 250 employees across the state. We’re 100% Arizona owned and managed, which means you’ll never feel like a number here. Our team delivers a full spectrum of services - civil engineering, surveying, geotechnical and materials testing, environmental, and EHS - giving you exposure to many paths and projects.

Alta is big enough to offer opportunities, and advanced technology - yet small enough that you’ll know your team, see your impact, and have leadership that knows you.

We’re proud to be a trusted partner to some of the nation’s largest corporations, developers, and public agencies - helping to build the future, while also protecting it through environmental stewardship and sustainable solutions.

Position Overview:

Our Geotechnical Engineering business unit is seeking a dedicated and highly organized Administrative Assistant to support our team. The successful candidate will play a crucial role in ensuring the smooth operation of our office and will be responsible for a variety of administrative and clerical tasks including data entry. This is a fantastic opportunity for an individual with a passion for construction management and strong administrative skills to contribute to our mission of promoting sustainability and environmental stewardship.

Key Responsibilities:

• Prepare proposals, letters, and reports for review by Project Managers
• Copy, scan and file documents
• Assist other office personnel as directed with copying, filing, report reproduction, mailing
• Assist with answering phones, take and distribute accurate messages
• General office duties as required

Qualifications:

• High school diploma or equivalent
• Proven experience as an administrative assistant or in a similar role, preferably within an environmental or sustainability-focused organization.
• Strong organizational and time management skills, with the ability to multitask and prioritize effectively.
• Excellent written and verbal communication skills, with a high level of attention to detail.
• Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook) and familiarity with project management software and tools.
• Ability to work independently and as part of a team, demonstrating initiative and resourcefulness.
• Passion for environmental issues and a commitment to promoting sustainability and environmental stewardship.

Why Alta?

See your impact.

How many people can drive by a highway, school, or major company and say, “I helped build that?”

At Alta, every employee can. The work we do is visible in the infrastructure communities rely on every day.

We’re passionate about developing people. Many of our leaders began their journey in entry level positions and worked their way up into management. We invest in you from day one with hands‑on training, paid certifications, and mentorship to help you progress in your career.

Working at Alta means:

• Career mobility: clear paths to grow into leadership roles.
• Multi-disciplinary exposure: civil, survey, geotechnical, materials testing, environmental, EHS, etc.
• Investment in you: paid certifications and ongoing training.
• Culture of belonging: supportive teams where your work is recognized.

Impact you can see: the chance to contribute to projects that define communities.

As an Alta Southwest employee you will receive the opportunity to enroll in our company sponsored benefits (medical, dental, vision, life, long term disability) and 401k plan. You will also receive 7 paid company holidays and accrue up to 10 paid days off. We pay for employee earned certifications, which include immediate pay increases. Join us and get a career!

We are an equal opportunity employer and welcome applications from all qualified individuals, regardless of race, gender, disability, or any other protected status. We thank all applicants for their interest in this position; however, only those selected for an interview will be contacted.