Accountant II

Mitsui E&P USA, LLC; Houston (TX); On-site; USD 65,000 - 90,000; Full time

Job summary

Mitsui & Co. in Houston is seeking an Accountant II to manage monthly close and financial reporting for LNG operations, expanding to energy businesses. You will support AP/AR, billing, and treasury tasks while driving process improvements with Excel, Power Query, and automation.

The role emphasizes ownership of reporting, data integrity, and collaboration with affiliates, auditors, and partners in a dynamic energy environment.

Qualifications

• Minimum 2 years of accounting experience.
• Bachelor's degree in Accounting or related field.
• Experience with accounting systems, ETRM systems, and retail power billing systems preferred.

Responsibilities

• Perform monthly and quarterly accounting and closing activities for energy-related businesses, focusing on LNG operations and expanding to power.
• Prepare and analyze monthly and quarterly financial reports (balance sheets, P&L, cash flow) and shareholder reporting.
• Support accounting for commodity transactions, invoicing, inventory accounting, and reconciliations.
• Assist in budgets/forecasts and variance analysis (budget-to-actual).
• Support billing, settlement, and related data processing activities.
• Provide accounting support for treasury activities (bank reconciliations, cash entries).
• Assist internal controls assessments and identify process improvements; implement workflow improvements via Excel, automation, and AI tools.
• Coordinate audits and tax information requests with stakeholders.

Skills

Month-end close

Journal entries

Account reconciliations

Data analysis

Automation

Power Query

Power Apps

Excel Copilot

Energy trading experience

Education

Bachelor's degree in Accounting

Tools

Power Query

Power Apps

Excel Copilot

ETRM system

Accounting software

Job description

The Accountant II will be primarily responsible for monthly closing and financial reporting activities for energy-related businesses, initially focusing on LNG operations and expanding to other businesses, including power. The role will prepare and analyze financial information under the supervision of the Accounting Manager and is expected to progressively take ownership of assigned monthly and quarterly reporting activities. The position will also support AP/AR, billing and settlement activities, and contribute to accounting process and data-flow improvements through Excel, automation, and other technologies.

ESSENTIAL FUNCTIONS & RESPONSIBILITIES:

• Perform monthly and quarterly accounting and closing activities for assigned energy-related businesses, initially focusing on LNG operations and subsequently expanding to other businesses, including power. Prepare journal entries, complete account reconciliations, and support accounts receivable and accounts payable activities as part of the close process.
• Prepare and analyze monthly and quarterly financial reports, including balance sheets, profit and loss statements, and cash flow statements, as well as shareholder reporting.
• Support accounting for commodity transactions, including sales and purchase invoicing, inventory accounting, and related account reconciliations.
• Contribute to the preparation, updating, and analysis of budgets and forecasts, including budget-to-actual variance analysis.
• Support billing, settlement, and related data processing activities, as assigned.
• Provide accounting support for Treasury-related activities, including bank reconciliations and cash-related accounting entries, as needed.
• Support internal control assessments and evaluate accounting processes and data flows to identify inefficiencies and improvement opportunities.
• Identify and implement accounting workflow improvements using Excel, automation, and other technologies, including tools such as Power Query, Power Apps, Excel Copilot, and AI-assisted analytics.
• Coordinate internal and external audit requests and support tax-related information requests as needed.
• Coordinate with internal and external stakeholders, including affiliated companies, the parent company, auditors, tax and accounting advisors, project partners, and vendors, to obtain information and complete assigned accounting and reporting responsibilities.
• Perform additional duties as assigned.

SKILLS & ABILITIES:

• Strong understanding of month-end close, journal entries and account reconciliations
• Ability to analyze and reconcile large or complex datasets
• Interest in process improvement, automation and new technologiesPreferred:
• Experience in energy, commodities, LNG, power, or other trading-related businesses
• Experience with Power Query, data modeling, Excel Copilot, Power Apps or similar automation tools
• Experience with power market accounting or settlements is a plus, but not required

EDUCATION & EXPERIENCE:

• At least 2 years in an Accountant role.
• Experience using Accounting system, ETRM system, and retail power billing systems, preferred.
• Bachelor’s degree in Accounting or a related field.

LANGUAGE SKILLS:

Fluent verbal and written skills in English.

LICENSES, CERTIFICATES, REGISTRATIONS:

None

WORK ENVIRONMENT & PHYSICAL DEMANDS:

This job operates in a professional office environment and routinely uses standard office equipment such as computers, phones, photocopiers, and filing cabinets.

The role involves prolonged periods of sitting and may require routine movement around the office to communicate with different groups.

Disclaimer

This position description is not to be construed as an exhaustive statement of duties, responsibilities, or requirements. Employees may be required to perform any other job-related instructions as requested by their leader, subject to reasonable accommodation.

MEMS is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability.