{"id":3380530,"url":"https://alion.io/job/meta-security-engineer-client-security","title":"Security Engineer - Client Security","company":{"id":20,"name":"Meta","domain":"meta.com","url":"https://alion.io/company/meta","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":{"grade":"B","score":77,"open_postings":240,"ghost_share":0,"stale_share":0.933,"repost_share":0,"time_to_fill_p50_days":38,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Security","role_family":"Security","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fremont, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":130000,"max_usd":269000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":344},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Context Engineering","optional":false},{"name":"Go","optional":false},{"name":"Linux","optional":false},{"name":"PHP","optional":false},{"name":"PKI","optional":false},{"name":"Python","optional":false},{"name":"Ruby","optional":false},{"name":"Rust","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-23T00:57:17Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-11-01T17:10:05Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"Meta's Client Security team is seeking experienced Security Engineers who have a track record of solving complex security problems at scale. Client Security Engineers design and develop solutions to ensure Meta's data and systems can only be accessed by trusted devices, and that applicable security policies are enforced on devices.Responsibilities\nDrive Meta's trusted devices strategy by building tools that enable connectivity to our infrastructure only from Meta owned and managed devices Build machine attestation and secure certificate storage solutions to enable provable client identity Deploy systems that help mitigate security risks by understanding and controlling what software is allowed to execute on our client devices Develop, validate, and enforce our client security policies Build and deploy tools and automation that proactively detect and respond to security risks and threats to internal corporate services Advise and collaborate with other teams\nQualifications\n2+ years of combined experience designing and deploying security infrastructure (such as PKI, key management, and certificate management) 2+ years of 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