Billing Process Assistant (Part-time, Potential Full-time)

MKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. Our commitment to excellence and our “Mission First” orientation has resulted in steady growth and an expanding client base across government agencies. We have employees nationwide and for the past three consecutive years were named one of the fastest growing Veteran-owned companies in the nation. Please take a moment to browse through our website and learn more about what it means to serve with MKS2.

 

Billing Process Analyst (Part-Time, Future Full-Time Opportunity)

Location: Herndon, VA
Employment Type: Part-Time (3 Days/Week) | Potential Full-Time with performance 

Pay: $22-24/hour

About the Role

We are seeking a highly analytical and detail-oriented Billing Process Analyst to join our team initially on a part-time basis (3 days/week), with the opportunity to transition into a full-time role. This is an excellent opportunity for a candidate with a passion for data, finance operations, and customer service who is interested in long-term growth. 

What You’ll Do

• Respond to and resolve billing inquiries with both internal partners and external clients

• Process payments and perform research related to account or transaction discrepancies

• Conduct regular database reviews and updates to maintain data integrity

• Assist with permit creation and general data entry tasks

• Collaborate across teams to support ongoing operations and special projects

• Maintain professionalism in all communications, managing interactions across departments and client bases

Top Skills We’re Looking For

1. Analytical Proficiency

   • Strong experience with Microsoft Excel, Power BI, and general accounting principles

   • Comfort working with data sets and drawing actionable insights

2. Advanced Excel Capabilities

   • Must be able to confidently use lookup tables (VLOOKUP, HLOOKUP), INDEX/MATCH, and write basic scripts/macros

   • ⚠️ You will be asked to demonstrate Excel skills during the interview process

3. Customer Service & Communication Skills

   • Proven experience in billing support and professional client interactions

   • Ability to navigate and communicate effectively with diverse personalities and teams

Nice to Have

• Exposure to or knowledge of SQL, APIs, or DAX

• Background in the utility industry, particularly electric or energy

• Experience with call center operations, telecommunications, or credit services

What You Bring

• 3+ years of experience in a data-driven, customer-facing role

• Strong written and verbal communication skills

• Ability to work both independently and collaboratively

• Bachelor’s degree or equivalent practical experience

• High level of professionalism and curiosity to learn and grow

Preferred Industry Experience

We’re especially interested in candidates who have worked in:

• Electric Utilities

• Telecommunications

• Credit Card Services

• Customer Service / Call Centers

Why Join Us?

• Flexible part-time schedule with clear growth trajectory

• Supportive and team-oriented environment

• Opportunity to contribute to projects with real impact

• Potential path to a permanent full-time position at Dominion Energy

Ready to grow with us? Apply now and show us how you combine analytical power with great communication.