{"id":165411,"url":"https://alion.io/job/prosper-marketplace-sr-manager-application-security","title":"Sr. Manager, Application Security","company":{"id":58754,"name":"Prosper Marketplace","domain":"prosper.com","url":"https://alion.io/company/prosper-marketplace","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":226000,"max":270000,"currency":"USD","period":"year","gross":null,"usd_annual":270000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-04-07T21:23:12Z","employer_posted_date":"2026-04-07","last_verified_at":"2026-10-31T01:13:07Z","board_verified":true,"closed_at":null,"days_open":206,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":204},"description":"Your role in our mission\nProsper is seeking an experienced Application Security Senior Manager to lead our Application Security program. Reporting to the Head of Information Security, this role drives the strategy, implementation, and optimization of application security controls across the organization. This position requires deep technical proficiency and the leadership skills to influence technology and product teams across the organization. We are looking for smart, self-driven candidates who want to be part of an innovative FinTech company with a mission to improve the financial well-being of its customers.\nHow you’ll make an impact\nProgram Leadership: Define and execute a multi-year Application Security roadmap aligned with business goals and industry best practices\nAI Security Leadership: Help define the secure architecture and guardrail framework for AI adoption across the company\n Security Engineering & Automation: Integrate threat modeling, security tools & testing (SAST, SCA, DAST, IAST, RASP, etc.), and secure by design processes into the SDLC (CI/CD pipeline)\nArchitecture Reviews & Technical Execution: Perform security architecture reviews for major product changes; conduct in-house secure code reviews and threat modeling for high-impact features and critical products.\n Vulnerability Management: Oversee the end-to-end AppSec vulnerability lifecycle (identification, prioritization, and remediation based on business risk, exploitability, and threat intelligence)\nIncident Response: Direct and manage incident response for application security alerts/incidents\nOffensive Security & Testing: Lead the strategy for third party penetration tests\nReporting & Metrics: Deliver executive-level dashboards and reports on application security posture and risk trends \nContinuous Improvement: Drive continuous improvement activities, and deepen leadership awareness of product and application security risks\nStrategic Partnership & Collaboration: Collaborate with Engineering and Product leads to embed security into the SDLC and scale the Security Champions program\nTeam Leadership: Direct a small team of AppSec engineers while remaining deeply hands-on in technical execution\nSkills that will help you thrive\n10+ years of progressive application security experience (prior software development experience preferred)\nAbility to lead, manage, and develop a technical Application Security Engineering team\nGreat interpersonal skills, ability to foster constructive dialogue\nDeep technical knowledge with a track record of successful execution in application security (secure SDLC, penetration testing, and security tooling (SAST, DAST, IAST, RASP, SCA)\nStrong knowledge of CI/CD pipelines, cloud-native security (GCP), and container security\nBachelor's degree in Computer Science or a related field, or its equivalent in work experience\nStrong working knowledge of at least two programming or scripting languages\nResources to help you prosper\nA connected experience: We prioritize high-touch collaboration and flexibility. Whether you are working from our San Francisco or Phoenix offices or joining us as a fully remote team member, we provide the digital-first tools and intentional culture to keep you synced and supported\n Invested in your future: A competitive salary and a 401(k) with a 5% company match to help you build long-term financial security\nHolistic well-being: We provide the resources you need to thrive, from flexible time off and paid parental leave to an annual wellness allowance and comprehensive health coverage\nProfessional & personal growth: Take advantage of a suite of premium perks, including Udemy access, childcare assistance, pet insurance, and a bevy of additional savings through Beneplace\nInterview process\nRecruiter Call: A brief screening to discuss your experience and initial questions\nDepartment Interview: Deeper dive into technical skills and project alignment with the Hiring Manager or team member\nTechnical Interview: Deeper dive into coding skills\n Team Interview: Meet 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