{"id":854574,"url":"https://alion.io/job/rackner-system-administrator-vdi-engineer","title":"Systems Administrator (VDI) — TS/SCI","company":{"id":687090,"name":"Rackner","domain":"rackner.com","url":"https://alion.io/company/rackner","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":17,"ghost_share":0,"stale_share":0.471,"repost_share":0,"time_to_fill_p50_days":29,"computed_at":"2026-10-31T05:58:55Z"}},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dayton, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":86000,"max_usd":189000,"period":"year","method":"role_country_seniority_unknown","sample_n":4424},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-08-27T12:23:23Z","employer_posted_date":"2026-09-18","last_verified_at":"2026-10-31T21:51:07Z","board_verified":true,"closed_at":null,"days_open":65,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":64},"description":"Systems Administrator (VDI) - TS/SCI\nLocation: Dayton, OH\nWork Model: Fully onsite\nClearance: Active TS/SCI\nBuild, Secure, and Improve Mission-Critical VDI\nRackner is hiring Systems Administrators to help operate and improve a secure Virtual Desktop Infrastructure and endpoint environment supporting a national-security mission in Dayton, Ohio.\nYou’ll work hands-on with production virtual desktops, cloud infrastructure, thin-client endpoints, automation, security hardening, and complex troubleshooting in a classified environment.\nThis is not a traditional desktop-support position. You’ll work across the infrastructure behind secure virtual desktop delivery-including cloud-hosted desktops, identity, endpoint management, automation, security controls, and platform reliability.\nFor someone who already has VDI depth, this role offers the opportunity to broaden your technical range across:\nMulti-cloud VDI\nSecure enterprise infrastructure\nEndpoint management\nAutomation and scripting\nCybersecurity compliance\nClassified systems operations\nRackner also supports professional certifications aligned with current and future technical work across cloud, cybersecurity, DevSecOps, infrastructure, and related engineering disciplines.\nYou do not need every technology listed below. We’re looking for strong hands-on depth in the platforms you have actually operated.\nYour Impact\nAdminister and troubleshoot enterprise VDI environments using AWS WorkSpaces, Azure Virtual Desktop (AVD), and/or Omnissa Horizon\nBuild and optimize desktop images, applications, user profiles, host pools, and scaling configurations\nConfigure and operate 10ZiG or comparable thin-client and endpoint-management environments\nDiagnose and resolve performance, authentication, profile, connectivity, compatibility, and user-access issues\nAutomate recurring administration using PowerShell, Bash, Python, or similar scripting tools\nHarden and secure virtual desktops, Active Directory, endpoints, and cloud resources using DISA STIGs and applicable security controls\nDeploy and maintain endpoint configurations, firmware, certificates, security patches, and device settings\nPartner with security and infrastructure teams on continuous monitoring, authorization activities, configuration validation, and technical evidence collection\nTest and improve VDI performance, reliability, compatibility, and usability\nDocument system configurations, operating procedures, troubleshooting guidance, technical decisions, and architecture\nWhere You May Fit\nWe’re building complementary technical coverage across the team.\nStrong alignment may include:\n10ZiG + AWS WorkSpaces\n10ZiG + Azure Virtual Desktop\nAWS WorkSpaces + Horizon\nAzure Virtual Desktop + Horizon\nDepth in one of these areas matters more than checking every box.\nCandidates without direct 10ZiG knowledge may still be relevant if they bring strong thin-client, endpoint-management, or enterprise VDI administration depth.\nWhat You Bring\nRequired\nActive TS/SCI clearance\nAbility to work fully onsite in Dayton, Ohio\nHands-on production administration of at least one primary VDI platform:AWS WorkSpaces\nAzure Virtual Desktop\nOmnissa / VMware Horizon\n\nDemonstrated ability to configure, troubleshoot, maintain, or improve enterprise virtual desktop infrastructure\nWorking knowledge of Windows infrastructure, identity and access, endpoint management, or related enterprise systems\nAbility to use scripting or automation to improve administration and reduce repetitive work\nFamiliarity with security hardening and compliance requirements in regulated, government, or classified environments\nAbility to produce clear technical documentation, operating procedures, and configuration guidance\nCompTIA Security+ or another certification accepted for the program’s required DoD 8140 baseline\nStrong Additional Alignment\nYou may stand out if you have worked with:\n10ZiG Manager or comparable thin-client management platforms\nActive Directory and Group Policy\nVirtual desktop image management\nUser profile management\nCloud-based desktop provisioning\nHost pools and scaling\nCertificate management\nEndpoint enrollment and lifecycle management\nDISA STIG implementation\nContinuous monitoring\nATO or related authorization documentation\nSecure or classified infrastructure\nLarge-scale enterprise desktop environments\nThese are valuable signals, but not every item is required for every position.\nPreferred Certifications\nRelevant credentials may include:\nMicrosoft certifications aligned with Azure Virtual Desktop\nAWS Certified Solutions Architect\nAWS Certified SysOps Administrator\nVMware / Omnissa Horizon or desktop virtualization certifications\nCertifications can strengthen your background, but they are not a substitute for hands-on production administration.\nAbout Rackner\nRackner builds mission-critical software and infrastructure for the U.S. government.\nOur teams work across cloud platforms, DevSecOps, cybersecurity, AI/ML, distributed systems, and modern software engineering supporting federal and national-security missions.\nRackner engineers and technical teams work closely with infrastructure, security, program, and mission stakeholders to build, operate, and improve systems supporting complex operational environments.\nBenefits & Perks\nAt Rackner, we invest in the growth and long-term development of our people.\nCompany-supported professional certifications\nCareer development across Rackner’s government technology programs\n401(k) with 100% match up to 6%\nMedical, dental, vision, life, and disability coverage\nGenerous PTO and paid holidays\nFitness and wellness reimbursement\nWeekly pay\nTeam events and additional employee perks\nEqual Opportunity\nRackner is an equal opportunity employer and considers all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other protected 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