Hiring: Systems Administrator-IT-IC3, Group 95 (Top Secret) Company: MIT Lincoln Laboratory Location: Lexington, MA Job Posted Time: 2026-09-10 14:18:48 Employment Type: Remote Target Skills & Keywords : Bash, DNS, Encryption, Linux, PowerShell, Python, Secret Clearance, Security Clearance, TCP/IP About the job Experience: •4+ years of systems administration experience in a classified environment. Required Skills: •Group 95 is seeking a Level 3 IT Systems Administrator to join a highly collaborative team supporting one of MIT Lincoln Laboratory's largest and fastest-growing classified computing environments. This infrastructure enables critical national security missions and supports a diverse community of engineers, researchers, and operational users. •The ideal candidate is a technically curious problem solver who enjoys working across multiple technologies, collaborating with cross-functional teams, and delivering reliable, secure solutions in a classified environment. •Administer, maintain, and enhance a secure air-gapped computing environment supporting mission-critical users and applications. •Administer and maintain virtualization, storage, identity management, networking, and operating system services supporting enterprise-class classified infrastructure. •Maintain compliance through regular OS and software patching. •Troubleshoot performance issues and recommend system upgrades. •Specify, implement, and test system configurations and perform upgrades across multiple platforms. •Partner cross-functionally with vendors, security, and internal teams on procurements, installations, and upgrades. Qualifications: •Strong knowledge of TCP/IP, DNS, and networking fundamentals. •Proficiency in Active Directory and Group Policy. •Demonstrated capacity to diagnose and resolve hardware, software, and networking problems. •Strong troubleshooting skills with the ability to communicate effectively with technical and non-technical stakeholders. •Solid understanding of security and cyber-hardening practices. •Excellent written and verbal communication skills. •Must possess an active Top-Secret Clearance with SCI eligibility •Operational familiarity with RMF and associated frameworks and guidance (e.g., JSIG, ICD-503, CNSSI 1253). Compensation: •$95,700 - $126,700 / year •Flexible work environment (work from home / hybrid options) Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!