{"id":2885007,"url":"https://alion.io/job/apple-principal-security-software-engineer","title":"Principal Security Software Engineer","company":{"id":12,"name":"Apple","domain":"apple.com","url":"https://alion.io/company/apple","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Apple Jobs","truth_index":{"grade":"A","score":95,"open_postings":215,"ghost_share":0,"stale_share":0.009,"repost_share":0,"time_to_fill_p50_days":169,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Security","role_family":"Security","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":222000,"max_usd":460000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":398},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false},{"name":"GDPR","optional":false},{"name":"Go","optional":false},{"name":"HIPAA","optional":false},{"name":"Java","optional":false},{"name":"PCI DSS","optional":false},{"name":"Python","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-10-19T21:11:54Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-21T10:50:55Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Apple services and platforms face evolving security threats, from cloud vulnerabilities to application layer attacks, that require scalable, effective security solutions. We are looking for a Principal Security Software Engineer to tackle complex security problems across our datacenter and public cloud-based infrastructure and services, translating emerging threats into concrete defenses.\nIn this role, you'll solve critical security challenges by identifying, designing, and implementing innovative solutions that protect our systems and services while enabling engineers to build quickly and safely. This role combines deep engineering problem-solving with cross-functional collaboration and technical leadership to embed security into everything we build.\nDescription\nAs a Principal Security Software Engineer, you'll tackle complex security challenges that span our entire infrastructure and services. You'll identify and resolve security issues across infrastructure, public cloud, applications, data stores and platforms, designing secure and scalable architectures that protect our services and customer data while enabling engineering teams to build quickly and confidently. Working closely with engineering, product, privacy, legal, and compliance teams, you'll translate security requirements into practical, developer-friendly solutions that embed protection into our systems from the ground up. This means identifying new approaches and tools that make secure-by-design the paved path, the default path, not an obstacle to overcome.\nYou'll also strengthen security capabilities across the organization through mentorship and collaboration. That means partnering with engineers to build security skills through hands-on problem-solving, creating practical guidance that makes security concepts accessible and actionable. When emerging threats arise, you'll analyze new attack vectors, develop proactive defenses, and drive changes in our platforms and services. Success in this role means solving problems that require both deep technical expertise across security domains (cloud, network, application security, data protection) and the ability to collaborate effectively across teams to turn security theory into engineering reality.\nMinimum Qualifications\nEducation: Bachelor’s or Master’s degree in Computer Science, Information Security, or a related field (or equivalent experience).\nExperience: 10+ years of hands-on experience in security engineering, including expertise in one or more areas such as cloud security, network security, or application security.\nExpert knowledge in threat modeling, vulnerability management, security architecture, and secure coding practices.\nDeep expertise in AWS, GCP or Azure\nStrong coding or scripting skills (e.g., Python, Go, Java) and experience with infrastructure-as-code (IaC) and DevSecOps practices.\nFamiliarity with regulatory and compliance frameworks (e.g., GDPR, PCI-DSS, HIPAA).\nLeadership: Proven 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