Systems Administrator

Date: Jan 15, 2026 Location: Lexington, MA, US Company: MIT Lincoln Laboratory Overview The Cyber Physical Systems Group tackles key problems in the convergence of cybersecurity and the physical world in an interdisciplinary research and development environment. We focus on developing new capabilities in the areas of cyber‑physical techniques for the DoD, intelligence community, and federal agencies. Key technology development thrusts include unconventional methods of system exploitation, testbed development and introspection, and gaining cyber intelligence from novel sensors and signal analysis techniques. Roles and Responsibilities Architect and sustain leading‑edge multi‑level A/V and computing solutions across our classified conference spaces. Spearhead the transition to next‑generation voice and video solutions, working collaboratively with government sponsors to meet evolving requirements. Lead the seamless integration of network systems within our expanding infrastructure, coordinating with multiple external services. Develop and refine comprehensive system documentation, ensuring the creation of detailed diagrams and standard operating procedures. Evolve and maintain classified development networks by working to upgrade hardware and software. Work with the security compliance team to develop creative solutions to meet the needs of users while remaining compliant with government policy. Required Qualifications Thorough knowledge of videoconference hardware, software and network connections and experience troubleshooting complex technical issues. Experience architecting and implementing multi‑level conference rooms and VTC systems for classified environments. Knowledge of physical and virtual network hardware and software component configurations. Knowledge of integrated A/V solutions, e. g., AMX, Crestron, Extron, and/or Thinklogical. Experience building and maintaining mixed Windows and Linux networks in isolated environments, including Active Directory, file shares, repository mirroring (APT, PyPI), and collaboration services (Confluence, Jira). Knowledge of automation techniques and infrastructure‑as‑code approaches for deployment of systems and services with tools such as Ansible, PowerShell, MDT/SCCM/Intune. Experience setting up and running small networks (configuring Cisco IOS for switching, routing, VLANs, etc.). Experience with local and server‑based virtualization technologies (VMWare ESX, vSphere, etc.). Experience hardening Windows and Linux systems using STIG configurations. Familiarity with collaboration technologies including VoIP phones and unified communication systems. Familiarity with RFMP (DoD 8510, JSIG, ICD‑503, CNSSI 1253) and relevant government security regulations (NISPOM, JSIG, ICD503, TEMPEST). Experience supporting and training users on IT hardware and software components. Excellent knowledge of Windows operating system: configuration, installation, monitoring, and troubleshooting. Experience installing, configuring and operating network services such as DNS, DHCP, NIS, NFS, SSH, SAMBA, AD. Conduct network, system, and application vulnerability scanning, configuration assessment, and remediation. Excellent customer service and communication skills. 5+ years of experience supporting information technology and Bachelor’s Degree (additional years of experience can be considered in place of degree). DoD 8570/8140 IAT Level II, at a minimum Security+ certification (candidate must obtain within 6 months if they currently do not possess the certification). Desired Certifications Networking certification: CCNA or equivalent. Avixa CTS Certification. Cisco Collaboration Certifications. Other Requirements Work location: Onsite – candidate will generally work at the Lexington facility. Clearance: Candidate must possess an active top secret clearance. Selected candidate will be submitted for SCI access. Interview Process: Initial pre‑screen with hiring manager. If advanced, will be a larger group interview with office and technical team members. Must Have Certification: DOD 8570 IAT Level 2 baseline certification (or ability to obtain within 6 months). Degree Level: Bachelor’s Degree. Experience: Cisco networking and security hardware – 3 years. Current top secret clearance. Hands‑on experience with audiovisual media and hardware – 3 years. Hardening Linux and Windows systems per RMF and DoD Security Technical Implementation Guides – 3 years. IT security policies (NIST/RMF/JSIG) – 3 years. Computer networking (TCP/IP, UDP/IP) – 3 years. Programming (PowerShell, Ansible, or other) – 3 years. Strong verbal and written communication skills. Additional Must Have Hardware: Intel/AMD, Cisco, Sun/Oracle, Dell, Apple, EMC, NetApp – 3 years. MS Active Directory, LDAP – 3 years. SCCM and Active Directory – 3 years. Backup experience and proven ability to protect mission‑critical data – 3 years. Systems Administration – 3 years. Technologies including DNS, DHCP, proxy and load balancing – 3 years. Unix platform, OSX, Cisco IOS – 3 years. Windows patch management – 3 years. Windows Server Administration (SCI classified environment) – 3 years. Windows Server platform – 3 years. Hiring Range $92,900 – $123,000 (base salary only; does not include additional forms of compensation or benefits). Benefits Comprehensive health, dental, and vision plans. MIT‑funded pension. Matching 401(k). Paid leave (vacation, sick, parental, military, etc.). Tuition reimbursement and continuing education programs. Mentorship programs. A range of work‑life balance options. … and much more! Pre‑employment Background Investigation Candidate will be subject to a pre‑employment background investigation and must be able to obtain and maintain a Top Secret level DoD security clearance. Equal Employment Opportunity (EEO) Statement MIT Lincoln Laboratory is an Equal Employment Opportunity (EEO) employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability status, or genetic information; U.S. citizenship is required. #J-18808-Ljbffr