{"id":136533,"url":"https://alion.io/job/fuku-senior-unix-systems-engineer","title":"Senior Unix Systems Engineer","company":{"id":3546,"name":"Fuku","domain":"fuku.sg","url":"https://alion.io/company/fuku","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":95,"open_postings":540,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":129,"computed_at":"2026-10-23T05:54:15Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":72000,"max_usd":129000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":70},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-04-22T00:00:00Z","employer_posted_date":"2026-04-22","last_verified_at":"2026-10-23T11:38:47Z","board_verified":true,"closed_at":null,"days_open":184,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":184},"description":"Senior Unix Systems Engineer\nJoin a mission-critical infrastructure team powering high-availability payment systems where uptime, security, and performance are non-negotiable. This role offers deep technical ownership, exposure to enterprise-scale environments, and the opportunity to engineer resilient platforms supporting real-time financial transactions.\nKey Responsibilities:\n- Administer and maintain Unix and Linux servers across production, disaster recovery, and testing environments reliably.\n- Implement system upgrades, security hardening, patching, and proactive monitoring to ensure infrastructure stability and compliance.\n- Manage incidents, perform root cause analysis, and implement preventive solutions aligned with service level agreements.\n- Execute change, release, and deployment activities ensuring minimal disruption to critical payment systems and services.\n- Monitor capacity, optimize performance, and support infrastructure projects while maintaining documentation and operational processes.\nJob Requirements:\n- Bachelor’s degree in IT, Computer Science, or a related field with strong infrastructure fundamentals and knowledge.\n- Minimum 6 years’ experience administering Unix, Linux, and middleware environments within enterprise or financial services organizations.\n- Hands-on expertise in scripting, automation, system monitoring, backup tools, and SAN storage technologies across environments.\n- Experience in OS hardening, patching, performance tuning, and supporting high availability production systems effectively.\n- Strong analytical, communication, and problem-solving skills with the ability to work independently in fast-paced environments.\nBe part of a high-impact team supporting critical financial infrastructure where your work directly ensures system reliability and trust. You’ll gain exposure to complex, enterprise-scale environments while advancing your expertise in resilient infrastructure engineering.\nApply now to take ownership of mission-critical systems and elevate your infrastructure engineering career. 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