Billing & Invoicing Specialist

Arcus FM Limited.; Brentwood; On-site; GBP 19,000 - 31,000; Full time

Benefits offered by this job

Discretionary bonus

25 days holiday

Group pension

Health cash plan

Life assurance

Discounts & vouchers

Learning & development

Training sponsorship

Cycle to work

Job summary

Arcus FM Limited in Brentwood is seeking a Billing & Invoice Specialist to join the Finance team and manage the end-to-end billing cycle, ensuring accurate client invoices and full cost recovery.

You will work with Finance, Operations, suppliers and IT, delivering analytics, reporting and improvements to billing processes while maintaining compliance with client requirements.

Qualifications

• GCSE Maths and English (or equivalent).
• Studying towards an accountancy qualification (desirable).
• Intermediate Excel skills.

Responsibilities

• Manage the end-to-end billing process, producing accurate and timely client invoices.
• Provide day-to-day support with client billing applications, ensuring correct submission and tracker updates.
• Chase subcontractors for required documentation and invoices within agreed timeframes.
• Ensure all out-of-scope and chargeable costs are captured correctly on client systems.
• Review reactive applications for accuracy, compliance, categorisation, and correct mark-ups.
• Protect profit margins by ensuring mark-ups are applied correctly on reactive works.
• Support supplier reviews and recommend process improvements.
• Provide analysis and reporting on cost recovery ratios, highlighting risks and opportunities.
• Support resolution of rejected or disputed works to enable resubmission for payment.
• Troubleshoot billing discrepancies and system issues, supporting ongoing system development.
• Act as liaison between Finance, Operations, Supply Chain, Third Parties, and IT.
• Ensure billing processes comply with internal controls and client requirements.

Skills

GCSE Maths

GCSE English

Intermediate Excel

Education

Accountancy qualification in progress (desirable)

Job description

Why Join Us

Billing & Invoice Specialist

Location: Brentwood

Salary: Up to £31,000 per annum, depending on experience

The Role

We're looking for a Billing & Invoice Specialist to join our Finance team on a key contract and play a key role in managing the end-to-end billing cycle. This position is critical to ensuring all materials and subcontractor costs are captured accurately, billed correctly, and recovered in full- protecting margin and supporting strong commercial performance.

You'll work closely with Finance, Operations, suppliers, and IT, providing insight through analysis and reporting while ensuring billing compliance across client systems.

What You'll Be Doing

• Manage the end-to-end billing process, producing accurate and timely client invoices
• Provide day-to-day support with client billing applications, ensuring correct submission and tracker updates
• Proactively chase subcontractors for required documentation and invoices within agreed timeframes
• Ensure all out-of-scope and chargeable costs are captured correctly on client systems
• Review reactive applications for accuracy, compliance, categorisation, and correct mark‑ups
• Protect profit margins by ensuring mark‑ups are applied correctly on reactive works
• Support supplier reviews and make recommendations for process improvements
• Provide analysis and reporting on cost recovery ratios, highlighting risks and improvement opportunities
• Support resolution of rejected or disputed works to enable resubmission for payment
• Troubleshoot billing discrepancies and system issues, supporting ongoing system development
• Act as a key liaison between Finance, Operations, Supply Chain, Third Parties, and IT
• Ensure billing processes comply with internal controls and agreed client requirements

What We're Looking For

Qualifications

• GCSE Maths and English (or equivalent)
• Studying towards an accountancy qualification (desirable)
• Intermediate Excel skills

Experience & Skills

• Experience working in a Sales Ledger or billing-focused finance role
• Proven ability to work to tight deadlines with exceptional attention to detail
• Confident working with Excel and accounting systems
• Strong interpersonal skills and the ability to engage with clients and stakeholders
• Comfortable working under pressure in a fast-paced, changing environment

What we offer

• Salary: Up to £31,000 per annum, depending on experience
• Up to 4% discretionary bonus scheme, subject to achievement of targets.
• 25 days holiday plus Bank holidays
• Group personal pension scheme of matched contributions between 5% and 6%
• Health Cash Plan & Life assurance
• Discounts, vouchers, and financial aid programs
• Learning & Development opportunities
• Funded Training Sponsorship Scheme
• Cycle to Work Scheme

If you are analytical, organised, and passionate about delivering high-quality financial processes, we would love to hear from you.