Senior Manager, Finance Systems

About the role

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we're on a mission to power real work, with real impact. We're trusted by more than 10,000 companies worldwide, including Wise, On Running, Breitling, and Fabletics, and we're tackling the 7 hours of lost productivity per employee each week, a $1.7 trillion problem . Founded in 2015, Perk has grown into a global company of more than 1,800 people across 12 offices globally, with headquarters in London and Boston. We combine innovation, control, and simplicity to transform how businesses work and how people feel at work. At Perk, we're driven by our values, like being an owner, delivering a 7-star experience, and working as one team. We value curiosity, purpose, and mindset, not just knowledge, to unlock the power in your potential. Our talent team brings together leading minds from the travel and SaaS industries, representing over 70 countries. If you're excited about having a real impact and shaping how millions of people experience work, we'd love you on the team. Visit www.perk.com to learn more. Perk is a fast-scaling B2B travel booking and expense management platform operating across multiple geographies. Our Finance team runs on a growing stack of interconnected systems, and we need a hands-on, strategically-minded operator to own it. As Senior Manager, Finance Systems, you will be the internal expert and accountable owner of our entire finance technology ecosystem - with NetSuite at its core. You will partner closely with Accounting, Strategic Finance, and Engineering to optimise how our systems operate, integrate, and scale. This is a high-impact, high-visibility role for someone who wants to be the person who makes finance run better.

Responsibilities

• NetSuite - Core Ownership
• Serve as the primary system administrator and functional lead for NetSuite ERP
• Manage configuration, customisation (SuiteScript, SuiteFlow, SavedSearches), and release management
• Own the NetSuite integration landscape, including connections to upstream and downstream systems
• Drive the AR/AP, GL, and close-process optimisation agenda within NetSuite
• Lead system remediation initiatives (e.g. unapplied cash cleanup, open document resolution)
• Finance Systems Ecosystem
• Manage and optimise the broader finance tech stack including evaluating new AI tools
• Own the systems roadmap - evaluate new tooling, lead vendor negotiations, and retire legacy processes
• Drive system integration projects end-to-end, partnering with Engineering where required
• Controls, Compliance & Audit
• Own IT general controls across finance systems as part of the SOX programme
• Manage user access reviews, segregation of duties, and provisioning/deprovisioning workflows
• Act as the primary liaison for auditor (Deloitte) and advisory (PwC) queries on systems and data
• Maintain SOC report inventory and annual review process for all finance system vendors
• Projects & Continuous Improvement
• Lead systems implementation and upgrade projects from scoping through go-live
• Identify and execute automation opportunities that reduce manual effort in the close cycle
• Build and maintain systems documentation, including data dictionaries, process flows, and runbooks
• Partner with Accounting and FP&A to translate business requirements into scalable system solutions

Requirements

• Essential
• 7+ years of finance systems experience, with at least 4 years as a NetSuite administrator or functional lead
• Demonstrable hands-on NetSuite configuration experience: workflows, custom records, SuiteScript, saved searches, and reporting
• Track record of owning cross-system integration projects from requirements through delivery
• Solid understanding of core accounting processes (close cycle, AR/AP, consolidation) - enough to speak credibly with controllers and auditors
• Experience supporting SOX IT general controls or equivalent audit-facing compliance work
• Strong project management instincts: able to run multiple workstreams, communicate status clearly, and flag blockers early
• Ability to operate independently in a fast-paced, ambiguous environment with limited hand-holding
• Highly Valued
• NetSuite certification (Administrator, ERP Consultant, or equivalent)
• Experience with HiBob, Okta, LeaseQuery, or Carta in a finance context
• Exposure to multi-entity, multi-currency environments
• Familiarity with SaaS or B2B travel/expense tech - you'll understand the business you're supporting
• Experience working alongside Big 4 auditors on systems and data queries
• Who Will Thrive Here:
• This role is not a ticket-taker. You will be expected to bring a point of view, push back when requirements are incomplete, and

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