At Bishop Fox, security isn't just a job—it's our passion. As leaders in continuous offensive security and penetration testing, we deliver world-class customer experiences. Trusted by over a quarter of the Fortune 100, half of the Fortune 10, and top global media companies, we help safeguard digital landscapes. Our Cosmos platform, honored as Best Emerging Technology by SC Media, exemplifies our commitment to innovation.   

Joining Bishop Fox means collaborating with a curious and dedicated team. You'll tackle complex challenges for some of the world's most recognized organizations, securing their networks against real-world threats. With nearly 20 years of industry contributions—including 16 open-source tools and 50 security advisories published in the past five years—we're committed to making the digital world safer.  

Given our exceptional growth, we are expanding and hiring an AR Specialist to join us on this exciting journey. 

Who You Are and What You’ll Do 

You are a detail-oriented accounting professional with strong analytical and problem-solving skills who can navigate complex, non-standard contracts and billing scenarios. You ensure contract terms and system records are accurate and complete, partnering with cross-functional teams to support proper invoicing and revenue recognition in compliance with ASC 606. You exercise sound judgment and adapt to unique client requirements across the bookings-to-cash cycle. Your responsibilities will include: 

• Review Closed Won opportunities, contracts, SOWs, and Salesforce records for accuracy and completeness. 

• Validate contract terms, billing schedules, and non-standard transactions in collaboration with Sales, Deal Desk, Delivery, and Infrastructure. 

• Ensure accurate project setup, invoicing, and revenue recognition in compliance with ASC 606. 

• Manage billing milestones, client invoicing, purchase orders, payment reconciliation, and collections. 

• Maintain client financial records, payment terms, billing contacts, and sales tax information in Salesforce. 

• Audit projects during Pending Finance Review to ensure accurate invoicing and revenue recognition. 

• Process employee expense reports and coordinate monthly reimbursements and receivables with Payroll. 

• Manage sales tax rates, audit tax allocation accuracy, and coordinate potential tax obligations with external advisors. 

• Resolve billing discrepancies and non-standard contract scenarios, exercising independent judgment to ensure accuracy throughout the bookings-to-cash cycle. 

Your Education and Experience 

The following is a list of skills and traits that describe you. If you have most of these, we’d like to speak to you: 

• Bachelor's degree in Accounting, Finance, or a related field, or equivalent relevant experience. 

• Strong interest in finance and accounting, with an aptitude for working with numbers. 

• Proficiency in Microsoft Office, especially Excel. 

• Experience reviewing contracts, Statements of Work (SOWs), amendments, purchase orders, and billing terms is preferred but not required. 

• Experience with financial systems and business tools such as Salesforce, Professional Services Automation (PSA) platforms, Certinia, or similar systems. 

• Detail-oriented, highly organized, and committed to accuracy. 

• Self-motivated, reliable, and able to work independently while managing multiple priorities. 

• Flexible and adaptable when priorities or processes change. 

• Trustworthy and committed to maintaining confidentiality and integrity. 

• Willing to learn, receive feedback, and take directions. 

• Patient and professional when handling challenging situations. 

• Proactive in anticipating potential problems and identifying solutions. 

• An effective written and verbal communicator who collaborates well across teams. 

Why Bishop Fox     

At Bishop Fox, we're driven by a simple mission: deliver exceptional quality to our clients, foster a vibrant and fulfilling environment for our team, and champion excellence within our industry. Our core values, which we live by every day, are:    

• Be Excellent to Each Other   

• Do the Right Thing   

• Do What You’ll Say You’ll Do   

• Get Better Together   

• Give a Sh*t    

At Bishop Fox, we're committed to providing benefits that support your well-being and professional growth. Here's a glimpse of what we offer:    

• Generous Time Off and Company-Wide Holidays   

• Team Events and International Travel Opportunities   

• Work From Home Support   

• Training Budget   

• Saving Fund   

• Food Coupons   

• Health and Wellbeing programs   

This position is not eligible for visa sponsorship. Applicants must be authorized to work in Mexico for the duration of employment without sponsorship.   

Bishop Fox is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, including sexual orientation and gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.  All new hires must pass a background check as a condition of employment.  

Interested? Apply today!