Senior Administrative Assistant — Office & Payroll Support

Structural; Denver (CO); On-site; USD 41,000 - 48,000; Full time

Benefits offered by this job

Medical Insurance

401(k)

Paid holidays & vacation

Tuition reimbursement

Career development opportunities

Job summary

STRUCTURAL, a national leader in technology-driven specialty contracting services, seeks a Senior Administrative Assistant in Denver, CO. You will manage front desk operations, provide cross‑departmental support, coordinate travel, payroll, and office events while upholding confidentiality and accuracy.

Bring 5+ years of admin experience, strong MS Office skills, excellent communication, and organizational abilities.

Qualifications

• 5+ years of administrative or office support experience.
• Strong Microsoft Office skills (Word, Excel, Outlook, etc.).
• 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, travel arrangements, AP/AR processing, month-end accruals & billings, COI processing for subcontractors 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.

Skills

Communication

Organization

Time management

Teamwork

Proactive

Detail-oriented

Tools

Microsoft Office

Job description

STRUCTURAL, a national leader in technology-driven specialty contracting services, seeks a Senior Administrative Assistant in Denver, CO. You will manage front desk operations, provide cross‑departmental support, coordinate travel, payroll, and office events while upholding confidentiality and accuracy.

Bring 5+ years of admin experience, strong MS Office skills, excellent communication, and organizational abilities.