Senior Administrative Assistant | Payroll & Office Operations Lead

Structural; Phoenix (AZ); On-site; USD 45,000 - 65,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

401(k)

Paid holidays

Vacation time

Tuition reimbursement

Career development

Caring work environment

Job summary

STRUCTURAL seeks a Senior Administrative Assistant in Phoenix to keep the office running smoothly and welcome staff and visitors. You’ll handle front desk duties, coordinate communications, and support multiple departments with data entry and travel arrangements.

You’ll manage weekly payroll, handle confidential information, and assist with events and office logistics. The role requires 5+ years of experience, strong Microsoft Office skills, and excellent organization.

Qualifications

• 5+ years of administrative or office support experience.
• Strong Microsoft Office skills (Word, Excel, Outlook).
• Clear written and verbal communication skills.
• Great organizational and time management abilities.
• Professional, adaptable, and team-focused mindset.

Responsibilities

• Serving as the front desk point of contact - answering phones, greeting guests, and handling incoming/outgoing mail
• Providing administrative support across departments, including data entry, making field travel arrangements, AP processing, and maintaining confidential information
• Process and manage weekly payroll (full-cycle) ensuring accurate and timely submission
• Helping with employee events and celebrations
• Assisting with meeting prep, event logistics, and general office management tasks
• Schedule: Monday - Friday, 7:00am - 4:30pm

Skills

5+ years experience

Microsoft Office

Job description

STRUCTURAL seeks a Senior Administrative Assistant in Phoenix to keep the office running smoothly and welcome staff and visitors. You’ll handle front desk duties, coordinate communications, and support multiple departments with data entry and travel arrangements.

You’ll manage weekly payroll, handle confidential information, and assist with events and office logistics. The role requires 5+ years of experience, strong Microsoft Office skills, and excellent organization.