Assistant Controller

Job Title

Assistant Controller

Job Description

Location: Midland or Southlake, TX

Supervisory Responsibility: This position provides direct supervision over the following: Staff Accountants, Accounting Assistant, AR & AP

Position Summary

The Assistant Controller plays a key role in supporting the financial operations of the company. This position is responsible for assisting with SEC reporting, maintaining accurate financial records, ensuring compliance with GAAP and SOX requirements, and supporting operational accounting related to compression equipment and field services. The ideal candidate thrives in a hands-on environment and is comfortable working in and leading an accounting organization with broad responsibilities.

Key Responsibilities

• Assist in managing day-to-day accounting operations, including general ledger, revenue recognition, accounts payable/receivable, and fixed assets
• Support monthly, quarterly, and annual close processes
• Prepare and review financial statements in accordance with U.S. GAAP
• Assist in SEC filings (10-K, 10-Q, 8-K)
• Support SOX compliance and internal controls
• Partner with operations on operational metrics and reporting
• Coordinate with auditors and support audits (internal external and operational)
• Improve accounting processes and systems
  
  

The above description is intended to describe the general content and requirements of this position. It is not an exhaustive list of all duties, responsibilities, or qualifications associated with the role. Duties and responsibilities may be subject to change based on the needs of the company.

Qualifications

• Bachelor’s degree in Accounting (CPA preferred)
• 5 years of accounting experience
• Small publicly traded accounting experience or large private accounting experience
• Strong GAAP knowledge
• ERP system experience and advanced Excel skills
• Proven leadership and teamwork skills.
• Must be authorized to work in the U.S.
• Employment for this role is contingent upon the successful completion of a pre-employment background check, drug screening, and credit check
  
  

Physical Requirements & Work Environment

This position is primarily office-based in a fast-paced, hands-on environment with cross-functional collaboration.

Office Environment: Prolonged periods sitting at a desk and working on a computer - Ability to move about the office to access files, equipment, or attend meetings - Manual dexterity sufficient to operate standard office equipment (computers, phones, printers) - Sufficient visual acuity to read documents, analyze data on computer screens, and review reports - May occasionally need to bend, reach, or stoop within the work area - Ability to lift up to 15 pounds occasionally (e.g., office supplies, binders, small equipment)

Our Benefits

At NGSG, we take care of our people. We offer a comprehensive benefits package that supports your health, financial well-being, and work-life balance, including:

• Health Insurance – including a plan with 100% company-paid premiums
• Dental and Vision Insurance
• FSA & HSA Options
• Telemedicine access
• 401(k) Plan – with 50% company match up to 6%
• Company-Paid Life and AD&D Insurance
• Company-Paid Short-Term and Long-Term Disability
• Paid Time Off – vacation, sick time, and paid holidays
• Generous Referral Bonus Program
• Uniform and boots reimbursement
  
  

Why NGSG?

• Industry leader with over 25 years of experience
• Competitive benefits and compensation
• Fastest-growing rental compression company
• Best equipment in the industry
• Only compressor rental company with a proprietary compressor brand
• NYSE-listed with a strong financial foundation
• Collaborative, inclusive, mission-driven culture
• Opportunities to grow and contribute to meaningful work in the energy sector
  
  

Equal Employment

Natural Gas Services Group, Inc., is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic under applicable law. If you have a disability and need an accommodation during the application and hiring process, please contact our HR department at hr@ngsgi.com. Please do not email us your resume. Applications will only be accepted via the link in the posting.

At-Will Employment

Employment with Natural Gas Services Group, Inc., is at-will, meaning either the employee or the company may terminate the employment relationship at any time, with or without cause or notice. This job posting does not constitute an employment contract.

Privacy Notice

By submitting your application to Natural Gas Services Group, Inc., you agree that we may collect and use your personal information, including contact details, resume, education, and employment history—to assess your qualifications and communicate with you throughout the hiring process. We may also collect data from your device, professional profiles (e.g., LinkedIn), and third-party providers with your consent.

Your information may be shared with internal hiring teams and authorized service providers but will not be sold or used for targeted advertising. We take appropriate measures to protect your data and retain it only as long as necessary. To opt out of future job notifications or for more information, contact us at hr@ngsgi.com. NGSG complies with applicable data protection laws, including CCPA and GDPR, as required.