Senior Security Engineer

It's fun to work in a company where people truly BELIEVE in what they're doing! Fullsteam is a leading provider of vertical software and embedded payments technology dedicated to helping businesses flourish by providing their customers with seamless experiences. With a dynamic and growing team of over 1,900 employees, we are committed to driving innovation and delivering best-in-class software and payment solutions that empower small and medium-sized businesses across numerous industries. Our purpose is to help our customers grow their businesses and delight their customers. Join us and be a part of a forward-thinking company that values growth, excellence, and the success of our clients. This position is part of the Fullsteam InfoSec Team which is directly responsible for working with Business Units and Fullsteam Corporate on security initiatives and response. At Fullsteam, we're committed to protecting our digital assets and delivering the highest standard of security across our business. As we continue to scale our security programs, we're looking for a passionate security professional to join our Proactive Security team. We're a small, high-ownership team tackling vulnerability and risk exposure across a broad surface; infrastructure, applications, software, AI systems, and external attack surface. This isn't a ticket queue role; you'll have real ownership across the full vulnerability lifecycle, contribute to automation and tooling, and work directly alongside security leadership. If you thrive in a fast-paced environment and want to help shape a growing VM program, we want to hear from you. Primary Responsibilities: 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 Skills & Competencies: 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 Minimum Qualifications: 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 Base Salary Range: $122,254 - $130,000 USD Fullsteam supports an inclusive workplace that values diversity of thought, experience, and background. Fullsteam is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ancestry, age, physical or mental disability, sex, sexual orientation, gender identity/expression, pregnancy, veteran status, marital status, creed, status with regard to public assistance, genetic status or any other status protected by federal, state, or local law. It has come to our attention that various individuals and organizations are contacting people offering false employment opportunities with Fullsteam. These individuals and organizations may request personal information or money in order to progress the application. Fullsteam does not ask for money transfers or payments from applicants to secure a job. If you are asked for money transfers or payments to secure a job, you should assume that such individuals and organizations are not providing genuine offers or services. If you believe you have received a fraudulent job offer, we would appreciate you contacting us at HumanResources@fullsteam.com. All legitimate open positions at Fullsteam can be found in our careers job site. Please access that from the Apply for a job section to verify the legitimacy of a job offer. Fullsteam: Leading the Evolution of Software and Payments Fullsteam integrates modern and scalable payments technology with vertical software to create industry-specific features and end-to-end business management systems. Fullsteam is a rapidly growing, dynamic, and exciting private equity-backed software and payments company headquartered in Auburn, AL. The company was formed in 2018 by a core group of talented payments and software experts. Fullsteam is quickly expanding its operations through the acquisition of strategic portfolio companies that could benefit from our cutting-edge software and payments platform.