Assistant Controller

The Company

Headquartered in Tallahassee, FL, Mainline is an IT solutions provider serving clients across the United States and across industries. With acquired knowledge and earned trust, we offer expertise and experience to our clients at a local level, with the backing of a national, highly skilled organization. Mainline has leveraged its technical data center expertise, diverse partner network, and consultative customer-centric approach to become a leading provider of enterprise server, hybrid cloud, cyber storage, and network & security solutions.

Founded in 1989, Mainline offers over 30 years of experience to over 2500 customers. With over 400+ IT professionals and $1b in revenue, we act as an independent advisor to find the best solution for our clients' business needs and strategy. Mainline partners with industry-leading solution providers and has over 1000 technical and sales certifications, including accreditation by the International Enterprise Architecture Institute (iEAi) and the CRN Tech Elite 250.

Job Description:

We are hiring an Assistant Controller, Technical Accounting to join our growing finance team. This position will be responsible for monthly close, general ledger, and serving as the technical accounting lead among other things, including supervising a team of accounting professionals.

Key Responsibilities:

• Manage a timely and accurate monthly close process, including general ledger oversight, intercompany eliminations, consolidation of multiple entities, balance sheet reconciliations, and internal/external financial reporting, ensuring compliance with US GAAP and company policy.
• Serve as the technical accounting lead, researching and applying accounting guidance related to complex areas such as ASC 606 (Revenue Recognition), ASC 805 (Business Combinations), lease accounting (ASC 842), and impairment testing. Prepare white papers and accounting memos as needed.
• Oversee the annual external audit, including audit planning, PBC list management, and resolution of audit findings. Act as the primary liaison with external auditors and ensure all deliverables are completed accurately and on time.
• Assist in the accounting and reporting processes related to acquisitions, including purchase accounting entries, valuation of acquired assets/liabilities, and integration of acquired entities into the consolidated financials.
• Maintain and continuously improve the company's NetSuite ERP environment. Partner with IT and cross-functional teams to optimize accounting workflows, system integrity, and reporting capabilities.
• Ensure effective internal control design and implementation in accordance with SOX-like standards, including key reconciliations, segregation of duties, and process documentation.
• Support financial planning and analysis efforts by providing detailed variance analysis, revenue analytics, and insight into business drivers.
• Supervise and mentor a team of accounting professionals, fostering a high-performance culture focused on continuous improvement, accountability, and professional development.

Qualifications:

• Deep understanding of GAAP with demonstrated expertise in technical areas such as revenue recognition, M&A accounting, and multi-entity consolidations.
• Strong working knowledge of NetSuite (required); experience integrating NetSuite with systems like Salesforce and Power BI is highly desirable.
• Proficient in creating accounting policies, technical memos, and audit documentation.
• Excellent project management skills and the ability to lead cross-functional initiatives involving finance, IT, and legal.
• Strong leadership presence with a commitment to servant leadership, team development, and clear communication across departments.

Education and Experience:

• Bachelor's degree in Accounting or Finance required; CPA designation strongly preferred. Master's in Accounting or related field a plus.
• Minimum 6+ years of progressive accounting experience, including Big Four or public accounting exposure and industry experience in a supervisory capacity.
• Proven experience with technical accounting research, audit management, and ERP system ownership.

Environmental Factors and Physical Requirements

This role will require some in-office work in Dallas, Texas.

• Physical environmental factors of this position include those found in typical business office environment or home office environment.
• Requires use of general office equipment and personal computer equipment.
• Ability to travel. Various means of travel may be required, including auto and air travel. This position requires travel: Occasionally
• May be required to work irregular schedules including but not limited to as applicable: Nights, weekends, holidays, on-call, and/or overtime.

Why Mainline?

With an average employee tenure of 12+ years, our people are passionate about IT, loyal to our customers, and excellent to each other. As a 99% work-from-home company, we leverage technology to build relationships, grow our skillsets, and stay connected with each other and our clients. At Mainline, we encourage every employee to continue learning through technical certifications or classes, and to keep pushing the boundaries of what IT solutions we can offer our customers in this ever-changing technology industry. If you identify with staying up to date on the latest tech, bringing out of the box ideas to the table, and joining a team of smart, enthusiastic, and dedicated people - apply now!

Benefits Overview: https://mainline.jobs/benefits/

How Do You Stack Up?

At Mainline, we are dedicated to building a diverse and inclusive workplace, so if you're excited about this role but your resume doesn't align perfectly with every qualification in the job description, we encourage you to apply anyway.

EEO/AA Employer/Vet/Disabled