Senior Administrative Assistant — Aviation Ops & Growth

Ottosen Propeller & Accessories Inc; Phoenix (AZ); On-site; USD 45,000 - 65,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Paid time off

Life insurance

401(k) with employer match

Growth Participation Units (GPU)

Job summary

Signia Aerospace in Phoenix seeks an experienced administrative professional to support one or more departments and senior leaders. You will manage complex calendars, communications, reporting, and cross‑functional coordination to keep operations running smoothly.

You will help implement the SOAR operating model, assist HR with onboarding and benefits, and collaborate with quality and EHS. Our benefits package includes medical, dental, vision, PTO, life insurance, 401(k) with employer match, and

Qualifications

• Comprehensive knowledge of office administration and coordination.
• Strong planning, prioritization, and problem-solving skills.
• High level of professionalism and discretion with confidential information.
• Typically requires a high school diploma and 4–6 years of administrative experience.
• Works under minimal supervision.

Responsibilities

• Provides advanced administrative support to one or more departments or senior leaders by managing complex schedules, communications, reporting, and coordination activities.
• Supports operational efficiency through proactive planning, information management, and cross-functional coordination while serving as a key administrative resource for internal and external stakeholders.
• All roles at Signia are expected to support the company’s operating model (SOAR) and contribute to the organization’s business value drivers, Profitable New Business, Productivity, Precision M&A, and Value-Based Pricing, through operational excellence, continuous improvement, collaboration, and customer focus.
• Deposit checks and cash, apply payments to invoices, apply and record customer deposits and prepayments, set up new customers and vendors, and communicate with the Hartzell AP team.
• Organized and efficient information management and filing systems
• Efficient administrative support enabling leadership and team productivity
• Strong coordination and communication support across departments and stakeholders
• Support HR with new hires, benefits, and communication with employees.
• Support cross-functional teams, including quality, EHS, etc.

Skills

Administrative coordination

Communication skills

Discretion with confidential info

Planning & prioritization

Problem-solving

Mentoring and team support

Microsoft Office Suite

Education

High school diploma

Tools

Microsoft Office Suite

Business systems

Job description

Signia Aerospace in Phoenix seeks an experienced administrative professional to support one or more departments and senior leaders. You will manage complex calendars, communications, reporting, and cross‑functional coordination to keep operations running smoothly.

You will help implement the SOAR operating model, assist HR with onboarding and benefits, and collaborate with quality and EHS. Our benefits package includes medical, dental, vision, PTO, life insurance, 401(k) with employer match, and