{"id":1555787,"url":"https://alion.io/job/mcgc-sr-network-engineer","title":"Sr. Network Engineer","company":{"id":1868313,"name":"Mitsubishi Chemical Group","domain":"mcgc.com","url":"https://alion.io/company/mcgc","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":30,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-08T05:49:30Z"}},"role":"Networking","role_family":"Networking","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":["Irvine, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":95300,"max":125100,"currency":"USD","period":"year","gross":null,"usd_annual":125100},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"PowerShell","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-30T00:00:00Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-08T22:08:41Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"Company:\nMitsubishi Chemical America, Inc.Job Description:\nSenior Network Engineer\nLocation: Irvine, California | Onsite | Full-Time\nHelp modernize the technology that keeps our people connected and our operations running.\nMitsubishi Chemical Group is seeking a Senior Network Engineer to join our Digital team, supporting our MCCFC operations in Irvine, California. This opportunity combines ownership of network infrastructure with hands-on technical support in a manufacturing environment.\nYou will help improve network reliability, lead infrastructure upgrades, and support employees with their everyday technology needs. You will also contribute to projects including a transition away from Citrix, network switch replacements, and technology deployment for new facilities.\nIf you enjoy taking a project from planning through implementation-and are equally comfortable troubleshooting a server or repairing a laptop-this role offers variety, visibility, and the opportunity to make a direct impact.\nWhat you’ll do\nMaintain and improve network infrastructure, including routers, switches, firewalls, cabling, and servers.\nLead infrastructure projects, equipment upgrades, and technology deployments, coordinating implementation to minimize disruption to operations.\nSupport the transition from Citrix to PC-based applications, including workstation deployment, application configuration, and retirement of legacy servers.\nCoordinate network connectivity, equipment installation, and PC deployment for facility expansion projects.\nManage backups, file recovery, and system restoration to support business continuity.\nProvide Level 1 and Level 2 onsite technical support, including troubleshooting and component replacement for desktops and laptops.\nSupport employees using Microsoft technologies and Microsoft 365 in a corporate environment.\nTroubleshoot complex infrastructure issues, monitor performance, and implement improvements to reliability and security.\nMaintain network documentation, configurations, and topology maps.\nUse basic scripting and automation to improve recurring tasks while developing your skills alongside experienced colleagues.\nWhat you’ll bring\nBachelor’s degree in computer science, engineering, or a related field highly preferred; equivalent relevant experience will be considered.\n7+ years of experience in network administration or engineering, including experience performing senior-level responsibilities.\nAt least two to three years of practical, hands-on experience working with network infrastructure, including switches, routers, and servers.\nExperience troubleshooting and repairing desktop and laptop hardware, including replacing individual components.\nWorking knowledge of Microsoft technologies and Microsoft 365 administration and support in a corporate environment.\nAn understanding of network architecture, protocols, and security practices.\nExperience coordinating infrastructure upgrades, migrations, or other technology projects.\nBasic scripting skills, such as PowerShell or Python, and an interest in expanding your automation capabilities.\nStrong troubleshooting, communication, and organizational skills, with the ability to manage competing priorities and work independently.\nManufacturing experience is preferred. Professional certifications are not required.\nSite-specific on-call and after-hours support is required\nPay Transparency\nThe salary range for this position is $95,300-$125,100. Factors such as scope and responsibilities of the position, candidate’s work experience, education/training, job-related skills, internal peer equity, as well as market and business considerations may influence base pay offered. 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