Senior Internal Auditor

STS Technical Services is hiring a Senior Internal Auditor in White Plains, New Yorkto lead the planning, execution, and delivery of global internal audit activities. This role ensures compliance with Company policies, the Internal Audit Charter, and the Institute of Internal Auditors (IIA) Standards. The Senior Internal Auditor will also supervise audit staff, support risk-based audits, drive Sarbanes-Oxley (SOX) compliance efforts, and report directly to the Senior Director of Internal Audit.

If you are ready to bring critical thinking, leadership, and expertise to a team committed to operational excellence, we want to hear from you.

Internal Audit:

• Lead financial and operational internal audit activities including risk assessments, planning, fieldwork, testing, and reporting.
  
• Supervise and develop Internal Audit staff by providing coaching, feedback, and support.
  
• Prepare audit issues and discuss validations and remediation plans with management.
  
• Present findings during fieldwork closing meetings and coordinate the action plan process.
  
• Develop and implement data analytic audit techniques to strengthen testing and evaluation procedures.
  
• Keep Internal Audit Management informed on the status of audits, significant findings, and project challenges.
  
• Maintain and update departmental policies and procedures to ensure alignment with IIA Standards.
  
• Support the development and promotion of the Internal Audit brand within the Company.
  

Sarbanes-Oxley (SOX) Compliance:

• Perform activities related to SOX Section 404 certification including risk assessment, control design, and operational effectiveness testing.
  
• Develop and maintain testing strategies and plans to evaluate the operating effectiveness of key financial reporting controls.
  
• Collaborate with management to identify improvement areas, recommend corrective actions, and monitor remediation efforts.
  
• Administer the Company's SOX 404 control self-assessment program and support internal control and fraud risk management education initiatives.
  

• Bachelor's degree in Accounting, Internal Auditing, Finance, or Risk Management.
  
• CPA or CIA certification required; MBA is a plus.
  
• 3+ years of corporate audit, public accounting, or consulting experience.
  
• Strong understanding of internal auditing principles, IIA Standards, Sarbanes-Oxley requirements, and COSO Integrated Frameworks.
  
• Ability to communicate effectively, think critically, and maintain composure under pressure.
  
• Proficiency with Microsoft Excel, PowerPoint, Tableau, or Python to support data-driven audit techniques.
  
• Familiarity with Robotic Process Automation is a plus.
  
• Strong business judgment and strategic thinking skills to support a best-in-class internal control environment.
  
• Ability to travel minimally as required and work overtime when necessary.
  

At STS Technical Services, we connect highly skilled professionals with career-defining opportunities across the aerospace, defense, and industrial sectors. As a Senior Internal Auditor, you will help ensure operational excellence while shaping a stronger, more resilient company.

STS Technical Services is a leading provider of workforce solutions across aerospace, defense, manufacturing, and industrial markets. We are committed to delivering excellence through our people, services, and global reach.

STS Technical Services is an equal opportunity employer.