Senior Staff Accountant
Mission Critical Group • Spicewood, Texas • Full Time
Posted on Sat, Jul 25, 2026
Company Description
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 a robust U.S. manufacturing network, 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
Summary: The Senior Staff Accountant is a key member of the Finance team, responsible for ensuring the accuracy and integrity of the company’s financial statements. This role involves performing complex reconciliations, assisting with month-end and year-end close processes, and contributing to overall financial compliance and reporting.
Accountabilities:
- Financial Reporting & General Ledger:
- Execute the month-end and year-end close processes, including preparing and posting complex journal entries, accruals, and deferrals.
- Maintain the General Ledger, ensuring all transactions are accurately classified and recorded in accordance with GAAP.
- Prepare detailed account reconciliations for critical balance sheet accounts (e.g., cash, fixed assets, accrued liabilities, and intercompany transactions).
- Compliance & Audit:
- Assist in the preparation of internal and external financial reports and schedules.
- Support annual external audits by preparing requested documentation, schedules, and explanations.
- Ensure compliance with internal controls (SOX if applicable) and company accounting policies.
- Analysis & Operations:
- Analyze financial data to identify trends, variances, and opportunities for process improvement.
- Manage and maintain the Fixed Asset Register, including tracking additions, disposals, and calculating monthly depreciation.
- Collaborate with various departments to gather necessary financial information and address accounting inquiries.
- May assist with specialized areas such as revenue recognition, inventory, or payroll accounting, depending on the company structure.
Qualifications
Attributes
- Safety Focus: Prioritize safety in all actions. Actively follow safety protocols, identify potential hazards, and take immediate steps to correct or report unsafe conditions. Model safe behavior for others and contribute to a culture of workplace safety.
- Have Humanity: Respect the input and ideas of everyone to create the best possible outcome.
- Be Transparent: Value transparency in all interactions, ensuring honesty and openness with each stakeholder.
- Drive Innovation: Seek new ways to improve and take on new challenges.
- Be Resilient: Adapt to the ever-evolving business needs enabled by resourcefulness and agility.
- Always Reliable: Deliver on your commitments and achieve your goals. Show up to work on time and complete your assigned tasks.
- Grit: Learn new things, actively seek feedback and training.
- Ownership Mindset: Take full responsibility for the quality and efficiency of your work. Proactively identify issues, offer solutions, and follow through. Treat company resources and goals as your own.
Required Knowledge/Experience:
- Bachelors degree in accounting or finance.
- Minimum of 3-5 years of progressive accounting experience, preferably including time in public accounting or with a large corporate accounting department.
- Proven experience leading or significantly contributing to the month-end close process.
- Expert knowledge of Generally Accepted Accounting Principles (GAAP).
- High proficiency in Microsoft Excel (VLOOKUPs, pivot tables, complex formulas).
- Experience with a major ERP system (e.g., SAP, Oracle, NetSuite).
- Strong analytical and problem-solving skills with exceptional attention to detail.
Performance Metrics
- Attendance & Punctuality: Maintain 97% attendance rate with minimal tardiness.
- Teamwork & Communication: Receive positive feedback from team leaders or operators on responsiveness and attitude.
- Continuous Improvement Participation: Actively contribute at least one improvement idea per quarter.
- Safety Compliance: Zero safety violations or incidents; full adherence to PPE and safety protocol.
Work Environment and Physical Demands
- FLSA executive and professional positions paid on a salary basis, where project requirements and tight client deadlines may require workweeks over forty (40) hours (including weekends or holidays)
- This role will work in an office setting, however, frequent visits to the production floor are required to oversee operations, ensure compliance and safety standards, and engage staff.
- Mobility: Ability to move around the manufacturing plant, including walking, standing, and climbing stairs.
- Manual Dexterity: Occasional use of hands to handle or feel objects, tools, or controls.
- Lifting: Ability to lift and carry items up to twenty-five (25) pounds. All lifting should be done following OSHA standards.
- Visual and Auditory Requirements: Must be able to see and hear well enough to navigate the plant safely and communicate effectively with team members.
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).
AuditFriendly salary estimate
The employer did not post a salary for this role. Based on AuditFriendly's salary intelligence model (comparable live postings, role, seniority, and location), we estimate base pay of $83,000–$106,000 per year (median ~$94,000). This is an AuditFriendly estimate, not an employer-provided figure.
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