Staff Accountant

About Mission Critical Group (MCG)

Mission Critical Group (MCG) is an end-to-end power solutions and services provider that accelerates time-to-power and delivers scalable, resilient infrastructure for mission critical environments. By integrating engineering, manufacturing, modular deployment, and lifecycle services under one platform, we streamline execution and bring complex projects online faster - without compromising performance. With more than 1.5 million square feet of U.S. manufacturing capacity, MCG supports data centers, power generation, healthcare, oil & gas, pharmaceuticals, semiconductors, and industrial facilities where uptime is non-negotiable. Mission Critical Group designs, manufactures and provides value-added services for customers requiring critical power solutions. Powering a new electric world for a brighter, more secure future.

Job Description

The Staff Accountant primarily supports the project and cost accounting functions with billings, cash applications, and accounts receivable supporting activities, but will also support general accounting functions, including preparing journal entries, performing account reconciliations, and assisting with the month-end close process to ensure accurate financial reporting in accordance with GAAP and company policies. This role directly supports milestone billing, payment application, and customer account maintenance while assisting with the resolution of discrepancies and aging balances.

Responsibilities

• Prepare routine and adjusting journal entries with appropriate supporting documentation
• Assist with monthly, quarterly and year end close
• Reconcile balance sheet accounts and investigate variances
• Prepare and issue customer invoices based on approved milestones and billing instructions
• Process and review inventory transfers to and from projects in accordance with project accounting policies
• Track issued invoices and maintain billing documentation
• Support weekly milestone billing reporting and follow up on missing or delayed billing inputs
• Review daily bank activity to identify customer payments
• Apply customer payments based on remittance information
• Identify and escalate unapplied cash or discrepancies
• Monitor AR aging and assist with collection follow-up
• Investigate customer payment discrepancies and coordinate resolution
• Assist with managing unapplied credits and balances
• Maintain customer records in the accounting system, including:
  • Customer master data
  • Tax exemption certificates (TECs)

Reasonable accommodation may be made to enable individuals with disabilities to perform these essential functions.

Qualifications

• Bachelor’s degree in Accounting, Finance, or related field required (or equivalent combination of education and experience)
• 1–3+ years of accounting experience, preferably in billing, accounts receivable, or project accounting
• Experience participating in month-end close preferred
• Proficiency in Microsoft Excel (basic formulas, lookups preferred)
• Experience with ERP or accounting systems
• Experience in a manufacturing, construction, or project-based environment preferred
• Working knowledge of GAAP fundamentals
• Satisfactory completion of additional background screening.

Required Skill/Abilities

• Strong attention to detail and accuracy
• Strong organizational and documentation skills
• Ability to manage multiple deadlines in a fast-paced environment
• Analytical and problem-solving skills
• Ability to communicate professionally with internal teams and customers
• Ability to escalate issues appropriately
• Ability to maintain confidentiality and exercise sound judgment
• Ability to work independently while collaborating with the accounting team

Work Environment and Physical Demands

• The work environment is a typical office environment, with quiet to moderate noise level, and traditional lighting.
• Prolonged periods of sitting at a desk and operating a computer.
• Must be able to communicate effectively using phones or computer software.
• Must be able to lift up to 15 pounds at times.
• Must be able to access and navigate each department at the assigned facilities.
• Must be able to travel between MCG locations as needed, some travel could require overnight stays.

Additional Information

A Note to our Recruitment Partners: We really appreciate the interest, but MCG currently manages hiring through our internal team. We love getting to know our candidates directly! Because of this, we don’t accept unsolicited resumes from agencies at this time. If we ever need an extra hand, we’ll be sure to reach out to the community. Thanks for understanding!

MCG is an equal opportunity employer prohibiting discrimination based on race, color, creed, religion, sex, marital status, physical or mental disability, and any other protected classes stated by applicable federal and state laws. MCG is committed to providing equal employment opportunities to qualified individuals with disabilities and to act in accordance with regulations and guidance issued by the Equal Employment Opportunity Commission (EEOC).