Senior Internal IT Auditor

Klaviyo · Boston, MA · Engineering

Posted 2026-10-19

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About the team and role:

Klaviyo’s Internal Audit (IA) function leverages industry best practices and adds value by developing consultative partnerships with operational leaders throughout the organization to monitor and improve internal controls, processes, and drive operating efficiencies. We’re building an AI-first audit function, using AI and automation across the audit lifecycle. Klaviyo is looking for an experienced Sr. IT Internal Auditor who will be a key part of the Internal Audit function. This person will report to the VP of Internal Audit & Compliance, work closely with the Manager, IT SOX, and will work directly with key stakeholders across IT, Security, Business Intelligence, Finance, Accounting, Legal, People Operations, Engineering & Global Technology Solutions within the company. The primary focus of the role is IT SOX controls (including IT General Controls, IT application controls, and key reports) across our homegrown and third-party systems, with the opportunity to grow into broader technology audits over time. The ideal candidate is an experienced professional who has broad experience with internal audit activities, uses AI in their day-to-day work, thrives on building companies and enjoys working in an exciting, fast paced and evolving environment.

Supervisory Responsibilities:

None.

How you'll make a difference:

Be a part of the Internal Audit team collaborating with the company to strengthen the internal control environment and continuously improve our SOX program

Advise system control owners on the design of internal controls, while maintaining IA’s independence from implementing or operating controls, and maintain the ITGC risk and control matrix within Optro, our SOX project management system

Perform end to end system walkthroughs to identify System Development Life Cycle Controls (SDLC), address risks and evaluate the related ITGC controls across homegrown applications (including code deployment and production access) and third-party SaaS

Prepare audit documentation request list, coordinate with controls owners and track request status

Perform periodic testing to assess the design and operating effectiveness of controls; including the buildout of test plans and audit workpapers in Optro

Assess and track audit findings / gaps including control weaknesses, root cause, and severity. Coordinate remediation of deficiencies with control owners via Optro

Where needed, prepare ITGC control training materials to help educate those responsible for performing control activities

As needed, review IT related policies and/or provide recommendations to policy owners

Provide guidance and support to internal stakeholders as they address control deficiencies or make significant process changes

Develop and maintain positive working relationships with process owners and stakeholders in various departments effectively, to increase awareness of the importance of risk and controls, and the role of Internal Audit

Coordinate with co-sourced third party providers, external auditors, internal business partners to ensure engagement, alignment and timely execution of audit work and the SOX program.

Develop and communicate status reporting for ITGC related projects and internal audits

Perform IT Application Control testing over in-scope systems, including system interfaces and integrations

Review SOC 1 reports, complementary user entity controls, and bridge letters for in-scope vendors

Prepare key report testing over key reports used in the operation of key controls, including information produced by the entity (IPE)

Evaluate the design and implementation of Segregation of Duties (SOD) controls

Evaluate IT controls designed to prevent or detect fraud, including management override of controls

Assist with internal audit related projects, including technology audits as the program grows (e.g., cloud security, data governance, AI governance), documenting planning, scoping, audit programs, documentation request lists, track and communicate observations and management action plans as well as participate and lead walkthroughs

Use AI tools across the audit lifecycle (e.g., evidence review, walkthrough documentation, testing, drafting observations), with human review and documented validation of outputs

Build and maintain reusable prompts, workflows, and automations the team can run repeatedly, and identify opportunities to improve efficiency across audit projects

Help define how IA validates AI-assisted work so our external auditor can rely on it

Assess the risks of AI tools and agents in the financial reporting environment, including access, data handling, and change management

Performs other related duties as assigned

Who you are:

Strong understanding of SOX 404, PCAOB Auditing Standards, COSO 2013, COBIT, US GAAP, Internal Audit Standards, including auditing processes and methodologies.

Strong understanding scoping, design and testing IT related controls for homegrown and off the shelf applications and cloud environments (e.g., AWS) including: ITGCs, IT application controls, interfaces, key reports, segregation of duties, and SOC1 reviews

Previous experience auditing ITGCs related to CI/CD pipelines

Experience with planning, scoping, testing and reporting within a full year SOX program in your current or previous roles

Experience with leading the planning, scoping, execution and reporting on IT, operational or financial audits

Data analytics skills with experience in SQL, Python, Tableau, or any other data analytics or visualization tools

Hands-on experience using AI tools in your audit work, with concrete examples of how AI made the work faster or better, and an understanding of its limits (accuracy, confidentiality, over-reliance)

Experience in collaborating with a team of internal or co-sourced consulting resources

Excellent written and verbal communication skills, including the ability to drive influence and to discuss technical concepts to other stakeholders in a simple but informative manner.

Exceptional analytical and problem-solving skills with great attention to details, and an investigative mindset to get to the root cause.

Self-starter who demonstrates initiative, curiosity to learn (including about AI and emerging technologies), and displays a high energy level

Strong organization skills, ability to prioritize one’s workload and clearly communicate status

Experience in using SOX GRC tools such as Optro (formerly AuditBoard) and ERP systems e.g. Netsuite is strongly preferred.

Comfortable working in a fast-paced, high growth environment.

Working knowledge of AI governance frameworks (e.g., NIST AI RMF, ISO/IEC 42001) or AI audit credentials (e.g., ISACA AAIA) is a plus

Education and Experience:

Bachelor's degree in Information Systems, Computer Science, Accounting, Business, or other relevant field.

5+ years of IT audit experience in public accounting (i.e. Big 4 Accounting firms) and/or industry, including IT SOX controls testing, ideally in a Tech/SaaS environment.

Professional audit relevant certification - CISA preferred; CPA, CIA, or CISSP a plus.

Physical Requirements:

Prolonged periods of sitting at a desk and working on a computer.

Occasional travel to office hubs.

Massachusetts Applicants:

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location.

In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.

Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.

Base Pay Range For US Locations:

$100,000—$150,000 USD

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