Systems Administrator

Date:
Jan 15, 2026

Location:

Lexington, MA, US

Company: MIT Lincoln Laboratory

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.

• 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.

• Thorough knowledge of video conference 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 Think logical.
• 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, Power Shell, 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, ICD
  503, 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).

• Networking certification: CCNA or equivalent.
• Avixa CTS Certification.
• Cisco Collaboration Certifications.

• 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.

• Certification: DOD 8570 IAT Level 2 baseline certification (or ability to obtain within 6 months).
• Degree Level: Bachelor’s Degree.
• Experience:
  
  Cisco…