{"id":1593152,"url":"https://alion.io/job/caci-international-infrastructuresystem-administrator-3","title":"Infrastructure/System Administrator","company":{"id":58481,"name":"CACI International","domain":"caci.com","url":"https://alion.io/company/caci-international","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"D","score":43,"open_postings":829,"ghost_share":0.72,"stale_share":0.01,"repost_share":0.873,"time_to_fill_p50_days":46,"computed_at":"2026-10-20T05:45:00Z"}},"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":["Albuquerque, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75200,"max":158100,"currency":"USD","period":"year","gross":null,"usd_annual":158100},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Hyper-V","optional":false},{"name":"MS SQL","optional":false},{"name":"Nessus","optional":false},{"name":"Splunk","optional":false},{"name":"VMWare","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2026-09-30T00:00:00Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-20T10:54:27Z","board_verified":true,"closed_at":null,"days_open":20,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":20},"description":"Job Title: Infrastructure/System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:\nCACI is seeking a Classified Systems Administrator to support and maintain mission-critical classified information systems within a secure environment. This position combines systems administration, systems engineering, cybersecurity, virtualization, and Information Assurance (IA) responsibilities to ensure the availability, reliability, security, and compliance of classified IT environments.\nThe ideal candidate will bring hands-on experience administering Microsoft Windows Server infrastructure, virtualization technologies, enterprise applications, storage platforms, identity and access management, and cybersecurity tools. This individual will work across technical and security teams to maintain system performance, address vulnerabilities, support configuration changes, and ensure classified systems operate in accordance with applicable DoD, DCSA, and NISPOM requirements.\nResponsibilities:\nInstall, configure, administer, maintain, and troubleshoot Microsoft Windows Server operating systems across classified environments.\nManage virtualization platforms, including VMware, Microsoft Hyper-V, and Nutanix, ensuring system availability, performance, scalability, and security.\nAdminister enterprise services and applications, including Microsoft Exchange and Microsoft SQL Server.\nTroubleshoot and resolve complex hardware, software, networking, operating system, application, and infrastructure issues across multiple classified networks.\nMonitor system health and performance, perform operating system patching, and implement vulnerability remediation and security mitigations using tools such as Nessus.\nManage enterprise storage platforms, including Pure Storage, Dell PowerVault, and Synology appliances.\nAdminister Microsoft Active Directory, including classified user account provisioning, access modifications, permissions, Group Policy, DNS, and DHCP in accordance with applicable security requirements.\nMaintain accurate inventory, configuration, and accountability records for classified IT assets, removable media, hardware, and peripheral equipment in accordance with DCSA requirements.\nPrepare and submit Security Impact Analysis (SIA) packages for proposed hardware, software, system, and configuration changes and coordinate required approvals prior to implementation.\nSupport Information Assurance and cybersecurity activities associated with maintaining secure and compliant classified information systems.\nProvide Tier III technical support, perform root-cause analysis, resolve escalated technical issues, and communicate system status and risks to technical and program leadership.\nMentor junior technicians and system administrators, share technical knowledge, and support the development of consistent system administration practices.\nCollaborate with cybersecurity, engineering, infrastructure, and program teams to identify technical risks and implement secure, sustainable solutions.\nParticipate in scheduled after-hours maintenance, system upgrades, incident response, and outage support as mission requirements dictate.\nQualifications:\nRequired\nActive Secret security clearance.\nBachelor's degree in Information Technology, Computer Science, Systems Engineering, Cybersecurity, or a related discipline, or equivalent combination of education, technical training, certifications, and professional experience.\n7+ years of relevant Systems Administration, Systems Engineering, or related enterprise IT experience.\nCompTIA Security+ certification or another applicable DoD-approved cybersecurity certification.\nExtensive experience administering Microsoft Windows Server environments, including installation, configuration, patch management, system maintenance, troubleshooting, and performance optimization.\nHands-on experience supporting virtualization technologies such as VMware, Hyper-V, and/or Nutanix.\nExperience identifying and remediating system vulnerabilities and implementing security mitigations using enterprise vulnerability management tools such as Nessus.\nStrong working knowledge of Microsoft Active Directory, Group Policy, DNS, DHCP, identity management, and access control.\nExperience supporting secure or classified enterprise IT environments and working within established cybersecurity and configuration management processes.\nStrong troubleshooting, analytical, critical-thinking, and problem-solving skills with the ability to diagnose complex infrastructure issues.\nStrong written and verbal communication skills with the ability to clearly communicate technical issues, risks, recommendations, and status to technical teams and leadership.\nAbility to work independently while collaborating effectively across systems administration, engineering, cybersecurity, Information Assurance, and program teams.\nDemonstrated commitment to continuous learning and maintaining technical expertise in evolving infrastructure and cybersecurity technologies.\nDesired\nExperience administering and supporting Microsoft SQL Server environments.\nExperience implementing, administering, and maintaining Splunk for system monitoring, log management, analysis, or security operations.\nExperience administering McAfee/Trellix endpoint security technologies.\nExperience implementing or managing enterprise backup and recovery solutions such as Veeam, NAKIVO, or Commvault.\nExperience supporting Information Assurance (IA) processes within classified environments.\nExperience with DoD, DCSA, and NISPOM security and compliance requirements.\nExperience supporting system accreditation, configuration management, vulnerability remediation, security documentation, or related compliance activities.\nExperience working in highly secure, mission-critical environments requiring strong system availability, documentation, accountability, and change-control practices.\n-What You Can Expect:\nA culture of integrity.\nAt CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.\nAn environment of trust.\nCACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.\nA focus on continuous growth.\nTogether, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.\nPay Range:\nThere are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.\nSince this position can be worked in more than one location, the range shown is the national average for the position.\nThe proposed salary range for this position is:\n$75,200-$158,100CACI is an Equal Opportunity Employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.","description_format":"text","description_chars":8121,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Continuous learning","Flexible time off"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Electronic Warfare","Information Security","Intelligence","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-10-01T16:37:45Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.668,"p_room":0.9,"age_days":20,"expected_fill_days":46,"reasons":["conf:3","stale_co","urgency","velocity","win:mid","comp:brand"],"computed_at":"2026-10-20T05:45:00Z"},"pay":{"stated_usd_annual":158100,"is_top_pay":true},"html_url":"https://alion.io/job/caci-international-infrastructuresystem-administrator-3","json_url":"https://alion.io/job/caci-international-infrastructuresystem-administrator-3.json","meta":{"generated_at":"2026-10-20T18:51:57Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":21672,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":58481},"rest":"https://alion.io/mcp/rest/get_company?id=58481"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcaci-international-infrastructuresystem-administrator-3"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcaci-international-infrastructuresystem-administrator-3"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcaci-international-infrastructuresystem-administrator-3"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/caci-international-infrastructuresystem-administrator-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-infrastructuresystem-administrator-3"}]}