Invoicing Associate Jobs (NOW HIRING)

Special Invoicing Lead

At Haag, a Salas O’Brien company, we’ve been a trusted leader in forensic engineering and consulting since 1924, helping clients solve complex, high-stakes problems when it matters most. We’re known for technical excellence, integrity, and clear, defensible conclusions. We’re equally committed to building a career environment where talented professionals can do their best work, grow their expertise, and make a real impact.

In June 2024, Haag merged with Salas O’Brien, expanding what’s possible for our team. Haag remains focused on forensic engineering, and we now offer the added strength of a broader, employee-owned organization. This brings deeper technical resources, expanded collaboration, and more opportunities to build your career across a wide range of disciplines and industries.

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We are engineered for impact, and we bring that same commitment to our people as we do to our projects. We live our values every day: Inspire, Achieve, and Connect, as shared owners of our success with a focus on a sustainable future.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for energy, manufacturing and industrial process, data centers, healthcare, science and technology, high-rise buildings, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to deliver outstanding client outcomes and build long-term careers.

Job Summary

We’re seeking a Special Invoicing Lead to oversee and manage complex, client-specific invoicing requirements across the organization. Reporting to the Operations Manager, this individual will serve as the primary resource for specialized billing processes, ensuring invoices are accurate, compliant with client requirements, and delivered on schedule. The Special Invoicing Lead will collaborate closely with project managers, operations teams, and finance personnel to resolve billing challenges, maintain invoicing records, and drive continuous improvements in specialized billing workflows.

Qualifications

• Minimum of 2 years of experience in an administrative, billing, invoicing, or business operations role, including experience leading teams or coordinating cross-functional activities.
• Experience processing complex or non-standard invoices and supporting client-specific billing requirements preferred.
• Ability to work independently while collaborating effectively with project managers, operations personnel, and finance teams.
• Strong organizational skills with exceptional attention to detail and accuracy.
• Excellent verbal and written communication skills.
• Strong grammar, proofreading, and documentation skills.
• Demonstrated critical thinking and problem-solving abilities.
• Proficiency with Microsoft Office Suite, Adobe Acrobat, and ERP or billing systems.
• Ability to maintain positive working relationships and adapt effectively to changing priorities.
• Commitment to providing excellent internal and external customer service.
• Experience with at least one of the following is required: ECF / Electronic Claims File management and GEMINI platform, TyMetrix 360 (T360), Legal-X, Salesforce.

Primary Responsibilities

• Oversee all special invoicing requests and ensure compliance with client-specific billing requirements.
• Prepare and process invoices for complex projects, including customized formats and billing schedules.
• Collaborate with project managers and finance teams to validate billing information and ensure invoice accuracy.
• Maintain accurate invoicing records within ERP and financial systems.
• Monitor and resolve discrepancies within special invoicing workflows.
• Maintain and update Special Billing Guidelines documentation.
• Develop and implement best practices for specialized invoicing processes.
• Train and support staff on special invoicing procedures and requirements.
• Generate reports related to invoicing activity, compliance, and performance metrics.
• Support audits, compliance initiatives, and internal reviews related to billing practices.
• Serve as the primary point of contact for clients with unique invoicing needs.

Education

• High school diploma or equivalent required. Associate degree or some college coursework preferred.

Location

• Hybrid work arrangement with three days in the office and two days working remotely each week in the Sugarland, TX or Flower Mound, TX office. However, the first 90 days will be 100% in office.

Physical Requirements

• Ability to sit or stand for extended periods throughout the workday. Occasional walking, reaching, filing, and lifting of materials up to 25 pounds may be required.
• Must be able to work effectively in a typical office environment utilizing standard office equipment and technology.

Compensation & Benefits

• Base salary range: $62,500 – $70,000 per year.
• Discretionary yearly bonus based on individual and company performance.

This role is eligible for a comprehensive U.S.-based benefits package, including:

• Medical, dental, and vision insurance
• 401(k) with company match
• Paid time off and company holidays
• Wellness programs and employee assistance resources
• Professional development and career growth opportunities

For more information, visit our full benefits overview at https://salasobrien.com/benefits/.

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

Third-Party Agency Notice

We do not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.