{"id":2496298,"url":"https://alion.io/job/risco-group-senior-system-information-security-administrator","title":"Senior system Information & Security Administrator","company":{"id":455410,"name":"Risco Group","domain":"riscogroup.com","url":"https://alion.io/company/risco-group","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Rishon LeZion, Israel"],"countries":["IL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":177000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":3508},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Azure","optional":false},{"name":"DNS","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"Proxmox VE","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-12T04:33:07Z","employer_posted_date":null,"last_verified_at":"2026-10-12T04:33:07Z","board_verified":false,"closed_at":null,"days_open":17,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":17},"description":"We're looking for a highly autonomous and hands-on Senior system & Information Security Administrator with strong system infrastructure expertise to take full ownership of the companys global IT infrastructure and security environment.\n\nThis is a standalone IT role, responsible for the hands on management of the organizations systems, infrastructure, security, and end user environment.\n\nResponsibilities:\n system Administration - Manage and maintain servers (On-prem/ Azure), Active Directory,Entra ID, user accounts, and monitoring systems\nIT Infrastructure & Storage - Maintain networks, hardware, and Storage systems to ensure stable and efficient operations\n Technical Support - Provide high-level Technical Support to end users and resolve infrastructure related issues\nInformation Security - Maintain firewalls, endpoint protectio\n\nRequirements: \n 7+ years of recent hands-on system Administration experience, with the ability to independently manage a broad IT environment end-to-end.\nStrong and current hands-on experience with Active Directory, including DCs, GPO, DNS, Replication, troubleshooting, and AD security/hardening.\nStrong hands-on experience with Windows and Linux servers in production environments, networking, virtualization (mainly Proxmox), backup and DR.\nExperience with Microsoft 365, Entra ID, hybrid environments, and endpoint/MDM management.\nStrong practical experience in information security, including firewalls, endpoint security, and access control.\nHebrew - high proficiency; 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