Senior Security Engineer

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Fullsteam

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

💳 Fintech

☁️ SaaS

🤝 B2B

Fintech • SaaS • B2B

Fullsteam is a leading provider of modern and scalable payments technology integrated with vertical software to offer industry-specific features and end-to-end business management systems. It delivers mission-critical infrastructure and technology, empowering a wide range of niche industries such as automotive, healthcare, recreation, and self-storage. Fullsteam's cloud-first payments technology is designed for secure, seamless integration with other vertical software, transforming how various industries conduct business. The company also offers membership and event management software for nonprofits, as well as ERP solutions for B2B markets.

📋 Description

• Contribute to and help mature our vulnerability management program, ensuring identified risks are remediated according to SLAs across the enterprise and business units • Identify and report known vulnerabilities across infrastructure (cloud and on-prem), applications, software, AI systems, and external attack surface • Monitor external attack surface exposures and contribute to remediation prioritization • Produce vulnerability metrics, trending reports, and risk summaries for security leadership and business unit stakeholders • Support alignment of the VM program with industry regulations and standards (PCI-DSS, SOC2, NIST CSF, ISO 27001) • Collaborate with Security, IT, and BU Engineering teams to drive effective and measurable vulnerability and risk exposure outcomes • Contribute to risk management and governance functions (e.g., risk register, key metrics, vulnerability reports) • Develop and contribute to AI-assisted HITL (Human in the Loop) automation and workflows for Proactive Security initiatives • Collaborate with and learn alongside other Proactive Security team members

🎯 Requirements

• 8+ years of Information Technology / Security experience with 2-4+ years of hands-on experience in vulnerability management, attack surface management, or related security functions • Working knowledge of security tools such as Wiz, Snyk, Qualys, Nessus, MS Defender, or similar platforms • Experience with vulnerability prioritization frameworks (CVSS, EPSS, risk-based scoring) • Experience with application security testing concepts and tools (SAST, DAST, IAST, Burp Suite, Postman, GitHub, etc.) • Basic scripting or programming experience in any language, or a strong desire to develop this skill • Ability to produce clear, actionable security reporting for both technical and non-technical audiences • Hands-on experience with AI-assisted security workflows (prompt engineering, agent development, MCP tooling) • Experience developing or contributing to process documentation • Ability to work independently in a fully remote environment while managing multiple concurrent priorities • Experience working in a multi-business-unit or enterprise environment • Genuine curiosity and desire to grow • CISSP or equivalent certification (GIAC, CISM, CRISC) • Bachelor’s degree in cybersecurity or equivalent work experience • Hands-on Defensive or Offensive security training or work experience • Project management knowledge, training and/or certifications

🏖️ Benefits

• Inclusive workplace that values diversity of thought, experience, and background