Administrative and Data Entry Assistant (Part-Time)

Join a legacy of environmental excellence — where your work shapes the future.

For more than 50 years, The Lomax Consulting Group (TLCG) has been a trusted leader in environmental consulting, known for delivering smart, sustainable solutions across the tri-state area and beyond. With over 3,000 projects completed — from local land use plans to international infrastructure initiatives — we combine scientific expertise with strategic insight to guide projects through complex environmental and regulatory landscapes.

We are currently seeking a motivated and detail-oriented Part-Time Administrative and Data Entry Assistant to support our growing team.

Position Summary

The Administrative & Data Entry Assistant provides essential administrative and data management support to ensure the smooth daily operations of the firm. This role supports leadership, as well as technical and administrative staff with office coordination, document preparation, scheduling, and accounting data entry.

In addition to traditional administrative responsibilities, this position supports internal financial operations including project hour entry, invoice preparation, accounts payable tracking, and reconciliation support.

The ideal candidate is highly organized, detail-oriented, and comfortable managing both administrative and financial data with accuracy and discretion. This position plays a key role in maintaining operational efficiency, financial record accuracy, and professional client communications.

Key Responsibilities

Administrative Support

• Provide day-to-day administrative support to assist in managing calendars, coordinating meetings, and scheduling client calls and internal planning sessions
• Prepare, format, and proofread proposals, reports, presentations, and client deliverables
• Assist with proposal assembly, contract documentation, and submission processes
• Maintain organized electronic and physical filing systems
• Monitor shared inboxes and route communications appropriately
• Track project deadlines and assist with workflow coordination
• Maintain confidentiality of sensitive business and client information
• Perform general office administrative duties as needed

Accounting & Data Entry Support

• Enter and track staff project hours
• Process project manager billing edits
• Prepare draft invoices for review
• Enter and process payroll labor data
• Record tax entries and payroll-related transactions
• Assist with bank account reconciliation
• Enter and adjust journal entries
• Assign financial entries to appropriate projects and cost centers
• Process accounts payable entries and payments
• Maintain organized financial records to support accounting and auditing needs

Required Qualifications

• High school diploma or equivalent required; associate degree in business administration, accounting, or related field preferred
• Minimum 2–3 years administrative or bookkeeping experience, preferably in a professional services or consulting environment
• Strong proficiency in Microsoft Office Suite (Word, Excel, Outlook, PowerPoint)
• Experience with data entry, invoicing systems, or accounting software preferred
• Excellent attention to detail and strong organizational skills
• Ability to manage multiple tasks and deadlines in a part-time work environment
• Strong written and verbal communication skills
• Ability to handle confidential financial and client information with discretion
• Self-motivated, dependable, and comfortable working independently
• Professional demeanor and strong client-service mindset
• Valid driver’s license and reliable transportation for occasional errands or local travel

Physical Requirements

• Prolonged periods of sitting at a desk and working on a computer
• Frequent use of hands and fingers to operate a computer keyboard, mouse, and other office equipment
• Ability to communicate verbally and in writing in a professional office environment
• Occasional standing, walking, bending, or reaching
• Ability to lift and carry up to 15–30 pounds (e.g., files, office supplies, boxes of materials)
• Ability to navigate a standard office environment, including climbing stairs

Reasonable accommodation may be provided to enable individuals with disabilities to perform the essential functions of the position.

Compensation & Benefits

• A chance to contribute to meaningful projects with real environmental impact
• A collaborative, mission-driven workplace built on decades of trust and excellence
• Competitive compensation based on experience
• Mileage reimbursement for work-related travel

Eligibility Conditions

• Part-Time. Approximately 15–22 hours per week (generally Monday–Thursday 10am-3pm). Occasional schedule adjustments may be required based on project and billing cycles. Flexible
• Compensation is commensurate with experience
• Offer of employment is contingent upon successful completion of medical/physical and drug testing.

Pay: $20.00 - $25.00 per hour

Expected hours: 15.0 – 22.0 per week

Work Location: In person