{"id":4196750,"url":"https://alion.io/job/securitize-senior-security-engineer","title":"Senior Security Engineer","company":{"id":47504,"name":"Securitize","domain":"securitize.io","url":"https://alion.io/company/securitize","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":83,"open_postings":3,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Argentina"],"countries":["AR"],"hiring_countries":["AR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Amazon EKS","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"IAM","optional":false},{"name":"Kubernetes","optional":false},{"name":"Least Privilege","optional":false},{"name":"Python","optional":false},{"name":"SIEM","optional":false},{"name":"Terraform","optional":false},{"name":"Smart Contracts","optional":true}],"status":"live","first_seen_at":"2026-11-12T16:52:30Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T20:47:28Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Securitize, the leader in tokenizing real-world assets with $5B+ AUM (as of November 11, 2026), is bringing the world on-chain through tokenized funds in partnership with top-tier asset managers, such as Apollo, BlackRock, Hamilton Lane, KKR, and others. Securitize, through its subsidiaries, is a SEC-registered broker dealer, digital transfer agent, fund administrator, and operator of a SEC-regulated Alternative Trading System (ATS).\nSecuritize is a global, fully remote team consisting of top talent from the blockchain and financial services industries. Having raised $170M overall to date, we are backed by some of the largest names in finance and technology, including BlackRock, Morgan Stanley, Blockchain Capital, MUFG, Sumitomo Mitsui Trust Bank, Sony Finance, Banco Santander, Coinbase, among others. Securitize has also been recognized as a 2025 Forbes Top 50 Fintech company. \nBefore applying, we encourage you to visit us to learn more:\nWebsite | X/Twitter | LinkedIn\nAbout the Role\nWe’re looking for an experienced security engineer who enjoys solving complex problems and turning security priorities into practical improvements. You’ll work across our AWS environment, strengthening cloud security, identity and privileged access, detection and incident response.\nYou’ll join the Security team, reporting to the Head of Cybersecurity and working closely with Engineering and DevOps. You’ll lead technical security projects, build controls and automation, and mentor junior team members. Success in your first year means a stronger AWS security posture, faster and more consistent incident response, and security findings addressed proactively.\nWhat You’ll Do\nStrengthen security across our AWS accounts, including account baselines, AWS Organizations, SCPs and Control Tower guardrails.\nDesign and implement least privilege access, including IAM Identity Center, access based on roles and temporary privileged access to production.\nBuild and tune detection and monitoring using CloudTrail, GuardDuty, Security Hub, AWS Config, VPC Flow Logs and our SIEM.\nLead the technical response to AWS incidents, including investigation, containment, evidence collection, root cause analysis and post incident reviews.\nImprove vulnerability and misconfiguration management, working with Engineering and DevOps to prioritize findings, resolve risks and verify fixes.\nSecure data, secrets and credentials using KMS, Secrets Manager, encryption controls and appropriate key management.\nBuild security into infrastructure as code and CI/CD pipelines through automated checks and policy enforcement.\nDevelop and maintain technical security standards, runbooks and incident response playbooks.\nShare your knowledge and mentor junior engineers as the team grows.\nWhat We’re Looking For\nAt least 5 years of experience in security engineering or a related technical role, including at least 2 years securing production AWS environments.\nStrong practical knowledge of AWS security, including IAM policies, SCPs, network security, KMS and native detection services.\nPractical understanding of container and Kubernetes security, particularly EKS.\nExperience investigating cloud security incidents and making sound decisions under pressure.\nExperience with infrastructure as code, preferably Terraform, and automation using Python or a similar language.\nExperience building SIEM detections and alerting, investigating events and reducing unnecessary noise.\nThe judgment to prioritize meaningful risks and work with engineering teams to deliver practical fixes.\nClear written and spoken English, with the ability to explain technical findings to engineers, leadership and other stakeholders.\nNice to Have\nAWS Certified Security - Specialty or certifications such as GCIH, GCFA or OSCP.\nExperience in fintech, digital assets or another regulated financial services environment.\nExperience with wallet infrastructure, smart contract security or key management using HSMs.\nWhy Join Us?\nBecome a part of our rapidly expanding organization and enjoy a supportive and rewarding work environment:\nFlexible Paid Time Off - Promoting a healthy work-life balance.\nEquity Grant Opportunities - Share in the success and future growth of the company.\nRemote Work Flexibility - Work from anywhere while staying connected with a dynamic and collaborative team.\nAdditional Benefits for US employees\nComprehensive Insurance Coverage - Employer-paid Medical, Dental, and Vision benefits for you and your family.\n401(k) Retirement Plan - Secure your financial future with employer-sponsored savings.\nSecuritize is an equal opportunity employer and is committed to fostering a diverse, inclusive, and equitable workplace. We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital or family status, or any other characteristic protected by applicable law.\nAll employment decisions at Securitize are based on job-related qualifications, merit, and business needs. 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