Information Security Engineer

Join MoonPay as an Information Security Engineer to secure our SaaS ecosystem and third-party integrations. Work in a high-velocity environment focused on safeguarding systems and data in the blockchain and payments industry.

MoonPay is for builders with something to prove. This isn't a "work on cool crypto stuff" company. It's a high-standards, high-velocity, high-accountability company building the operating system for value movement. If the internet moves information, we move value: crypto, stablecoins, tokenized assets, and whatever comes next. Four offerings make that real: fund, tokenize, trade, and spend. 30M+ customers and 500+ ecosystem partners run on us. Licensed in the U.S. Regulated across the UK, EU, Canada, and Australia. AI is the default operating mode here. It's woven into every role, and we expect you to use it daily. It handles the manual work so you can deliver on what actually matters. You'll thrive here if outcomes excite you more than process, if impact motivates you more than titles, and if you want hard problems, real ownership, and teammates who love winning, building, and doing it together. The bar is high. The pace is real. We're building for what's next, for humans and agents. Recent recognition: Forbes' America's Best Startup Employers 2026. 2nd in Crypto Services on Fortune's inaugural Crypto 100, The Sunday Times Best Places to Work two years running.

We are looking for an Information Security Engineer, SaaS & Integration Security, to join our Information Security team, focused on securing our internal SaaS ecosystem, third-party integrations, APIs, and automation workflows. In this role, you will own the security review process for new SaaS applications and integrations end to end, build out threat modeling and secure design practices across the integration lifecycle, and contribute to incident response for SaaS and identity-related events. You are a hands-on individual contributor who is comfortable working across technical tooling, process development, and cross-functional collaboration.

• •SaaS and integration security
• •Set and maintain security standards for SaaS apps, integrations, APIs, plugins, and automation platforms.
• •Assess new applications and integrations before approval, reviewing architecture, data flows, and trust boundaries.
• •Evaluate OAuth scopes, tokens, service accounts, webhooks, extensions, and marketplace apps for excessive permissions, cross-tenant exposure, and unauthorized access.
• •Define approved security patterns for APIs, non-human identities, and automation workflows.
• •Assess AI assistants and third-party AI integrations accessing company systems.
• •Detects and reduces shadow IT and unsanctioned SaaS-to-SaaS connections.
• •Threat modeling and secure design
• •Facilitate risk-based threat modeling for SaaS apps, integrations, APIs, scripts, and internal tools.
• •Identify trust boundaries, abuse cases, and sensitive-data exposure; ensure risks have owners, mitigations, and timelines.
• •Provide secure design alternatives when proposed solutions create unacceptable risk.
• •Maintain reusable threat models and review checklists for common integration patterns.
• •Script and automation security
• •Review Python, JavaScript, shell, and low-code/no-code automations for secrets handling, injection risks, unsafe data processing, and excessive permissions.
• •Promote centralized secrets management, short-lived credentials, and least privilege.
• •Build automated checks for exposed secrets and insecure configurations.
• •Provide clear remediation guidance to engineers and automation owners.
• •Perform targeted testing of integrations, APIs, identity flows, and configurations.
• •Vendor / Third-Party Security
• •Conduct vendor and third-party security assessments, evaluating risk posture and reviewing security questionnaires.
• •Review vendor documentation (SOC 2 reports, pen test summaries) as part of the SaaS approval process.
• •Assess third-party access to company systems and data, including sub-processor risk.
• •Reassess vendor risk over time as scope or posture changes.
• •Partner with Legal and Privacy on contractual security requirements.
• •L2 Incident Response (Operational Role)
• •Monitor SaaS environments for suspicious activity, unauthorized integrations, and data-leakage risks.
• •Actively participate in Security Operations activities as an L2 Incident Responder.
• •Lead incidents through all stages: identification, containment, eradication, recovery, and lessons learned.
• •Serve as the primary point of contact for the SOC regarding SIEM investigations, platform behavior, detection logic, and operational troubleshooting.
• •Support continuous improvement by translating incident learnings into better detections, dashboards, and playbooks.

• •💰 Competitive salary package
• •🤝 Equity package: financial freedom starts with our employees, so all employees have ownership at MoonPay
• •📈 Pay-for-performance equity bonus: those who drive outsized outcomes receive outsized rewards
• •🚀 Moonshot award: we honor exceptional impact. 10 employees twice a year, each earning a $250,000 equity grant
• •📊 Pension: employer contributions from day one
• •🎁 Employee referral program: refer great people, earn 10K in USDC
• •🏝 Flexible Time Off: choose when to work and when to switch off
• •🎂 Birthday leave: take the day off to celebrate you
• •🍼 Enhanced parental leave: more time with family, no second thought
• •🌍 Hybrid working schedule: work fully remotely or from your nearest Moonbase
• •🚆 Commuter benefits: public transport to and from the office
• •🩺 Private healthcare benefits: to protect you and your loved ones
• •🧘 Wellhub wellness membership: access to gyms, studios, classes, and wellness apps in one membership
• •🤖 Unlimited enterprise access to the latest AI tools: Claude, ChatGPT, Gemini and whatever's next
• •🍱 Lunch credit: meals covered on the days you're in the office
• •🪑 Home office setup allowance: build the home office of your dreams
• •👛 Remote working allowance: those working fully remotely get a little extra for utilities
• •🌕 Monthly product budget and zero-fee crypto

*👉 Describe the ideal candidate’s qualifications, skills, experience, and behaviours that show strong culture alignment.* *You’re an Information Security Engineer who can both build and operate at scale. You have strong expertise in DLP and are equally comfortable with leading incident response.* *Must-have experience and skills*

• •Experiences
• •3+ years in SaaS security, application security, cloud security, or a related defensive security role.
• •Experience conducting technical security reviews and risk-based threat modeling.
• •Track record of assessing third-party integrations, APIs, and vendor risk before adoption.
• •Experience validating security findings and driving remediation with engineering/business teams.
• •Cybersecurity Principles
• •Strong grasp of least privilege, defense in depth, and trust boundary analysis.
• •Solid understanding of identity and access concepts: OAuth, SAML, OIDC, SSO, MFA.
• •Familiarity with common integration risks: excessive permissions, cross-tenant exposure, insecure data flows, injection, credential exposure, supply-chain compromise.
• •Working knowledge of frameworks such as OWASP, MITRE ATT&CK, NIST, or CIS Controls.
• •Technical Proficiency
• •Ability to read and review scripts in Python, JavaScript, or shell for security weaknesses.
• •Understanding of secrets management, short-lived credentials, and secure API design.
• •Hands-on experience securing identity and productivity platforms such as Okta, Google Workspace, and Google Cloud Platform.
• •Experience assessing security and access controls in collaboration/SaaS tools such as Linear, Slack, Notion, Intercom, and Atlassian (Jira/Confluence).
• •Comfort building or using automated checks/tooling to detect exposed secrets, misconfigurations, or permission risks across a SaaS-first stack.
• •Analytical Skills
• •Excellent analytical and problem-solving abilities.
• •Crisis Management
• •Ability to work effectively under pressure.
• •Capable of handling multiple incidents simultaneously.
• •Communication
• •Strong communication and interpersonal skills to collaborate with various teams.

*Nice-to-have experience*

• •Education
• •Bachelor's degree in Computer Science, Information Security, or a related field. Equivalent work experience will be considered.
• •Security Frameworks
• •Experience with frameworks such as ISO 27001, SOC 2, and PCI-DSS.
• •Responsible for defining and implementing key security controls.
• •Incident Response
• •Practical incident response experience including triage, investigation, containment, and communications.
• •Vulnerability Management
• •Identifying, prioritizing, and automating remediation of security vulnerabilities.
• •Vendor / Third-Party Security
• •Experience conducting vendor and third-party security assessments, including evaluating risk posture, reviewing security questionnaires, and ensuring third parties meet organizational security standards.