{"id":3087224,"url":"https://alion.io/job/s-i-systems-senior-infrastructure-administrator-powershell","title":"Senior Infrastructure Administrator (PowerShell)","company":{"id":3865830,"name":"S.i. Systems","domain":"sisystems.com","url":"https://alion.io/company/sisystems-2","size_band":"1001-5000","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ottawa, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":58000,"max_usd":107000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":87},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"PowerShell","optional":false},{"name":"ServiceNow","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2026-10-22T01:05:26Z","employer_posted_date":null,"last_verified_at":"2026-10-22T01:05:26Z","board_verified":false,"closed_at":null,"days_open":10,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":10},"description":"Our Valued Public Sector Client is seeking a Senior Infrastructure Administrator (PowerShell) to provide operational support, automation expertise, and lifecycle management for enterprise Windows and Linux server environments as well as VMware vSphere and ESXi infrastructure.\n\nProject Description:\nThis project supports the ongoing administration, optimization, and modernization of enterprise infrastructure services, with a strong focus on automation, operational efficiency, and service delivery improvement. The successful candidate will be responsible for maintaining Windows and Linux server environments, supporting VMware virtualization platforms, and developing automation solutions through PowerShell scripting. \n\nMust Haves:\nAdvanced PowerShell Scripting & Task Automation (5+ years)\nWindows Server & Linux Administration (10+ years)\nVMware vSphere & ESXi Lifecycle Management (3+ years)\nInfrastructure Monitoring, Troubleshooting, and Performance Optimization (5+ years) \nDemonstrated ability and eagerness to learn new technologies and adapt to evolving technical environments\n\nResponsibilities:\nAdminister, maintain, and support enterprise Windows Server and Linux operating system environments.\nDevelop, enhance, and maintain PowerShell scripts to automate operational tasks, system administration activities, reporting, and service delivery processes.\nManage VMware vSphere and ESXi environments, including deployment, upgrades, patching, lifecycle management, and performance optimization.\nMonitor system performance, capacity, and availability while proactively identifying opportunities for improvement.\nTroubleshoot infrastructure, virtualization, operating system, and automation-related issues to ensure service continuity.\nSupport infrastructure modernization initiatives and assist with the implementation of new technologies and platforms.\nCollaborate with technical teams to identify opportunities for process improvement and increased automation.\nAssist with the rollout, adoption, and continuous improvement of ServiceNow processes and capabilities.\nContribute to the development of operational procedures, technical documentation, and knowledge-sharing initiatives.\nParticipate in system upgrades, maintenance activities, and infrastructure refresh projects.\nProvide technical support and guidance to internal stakeholders and operational teams.\nResearch and evaluate emerging technologies, tools, and best practices that can enhance operational efficiency and service delivery.\nWork closely with project and operational teams to ensure infrastructure solutions align with organizational standards, security requirements, and business objectives.\nDemonstrate a continuous learning mindset by developing skills in new technologies, platforms, and service management practices as organizational needs evolve.\n\nDisclaimer:\nAI may be used in evaluating candidates.\nThis posting is for an existing vacancy.","description_format":"text","description_chars":2931,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Government"],"lifecycle":[{"event":"open","at":"2026-10-22T13:46:40Z"}],"visa":[],"liveness":{"score":53,"band":"ok","label":"Likely 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