System Administrator

Job Title :Â System Administrator (Onsite)Â
Location : Lexington, MAÂ
Job Type : W2 Contract  Â

Background/Need:Â
The 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.Â
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The Group is seeking an exceptional and dynamic IT Systems Administrator and Engineer to bolster our team in a blended role. This pivotal position involves the design, implementation, maintenance, and enhancement of our unclassified and classified IT systems all while ensuring mission success, compliance, and security.Â

Responsibilities:Â
•Modernizing Linux build system lifecycle by automating existing processes using infrastructure as code.Â
•Listening to cyber research staff needs and designing IT systems solutions to meet those needs based on program requirements, security guidelines, and industry best practices.Â
•Work with a security compliance team to develop creative solutions to meet the needs of users while remaining compliant with government policy.Â
•Evolve and maintain classified development networks by working to upgrade hardware and software.Â
•Develop and refine comprehensive system documentation, ensuring the creation of detailed diagrams and standard operating procedures.Â

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Must Have:Â
•In-depth knowledge of Linux and Windows Operating systems including administration, configuration, and troubleshooting.Â
•Experience hardening Windows and Linux systems using STIG configurations.Â
•Experience building and maintaining mixed Windows and Linux networks in isolated environments including setting up Active Directory, file shares, repository mirroring (e.g., APT, PyPI), collaboration services (e.g., Confluence, Jira.)Â
•Ability to automate several phases of the system’s lifecycle including OS installation, security configuration, software installation, patching, and retirementÂ
•Ability to research, diagnose and resolve hardware, software, and networking problems.Â
•Familiarity with cloud platforms like AWS, Azure, or Google CloudÂ
•Knowledge of automation techniques and infrastructure-as-code approaches for deployment of systems and services with tools such as Ansible, PowerShell, MDT/SCCM/Intune.Â
•Ability to troubleshoot common network and firewall issues with systems on corporate networks.Â
•Knowledge of setting up and running small networks (configuring Juniper/Cisco IOS for switching, routing, VLANs, etc.)Â
•Competency deploying containerized applications in standalone and cloud environments (Docker and Podman)Â
•Strong communication and documentation skillsÂ
•Ability to resolve security vulnerabilities and work on hardening systems to Laboratory and applicable DoD policies such as STIG and CMMCÂ
•Proficiency in implementing security best practices for encryption for data-at-rest and data-in-transitÂ
•Create documentation on IT systems and procedures to satisfy certification, technical staff, and end users.Â
•Knowledge of physical and virtual network hardware and software component configurations.Â
•Managing systems with RedHat Satellite and Canonical LandscapeÂ
•Experience with local and server-based virtualization technologies (e.g., VMWare ESX, vSphere, etc.)Â
•Experience installing, configuring and operating network services such as DNS, DHCP, NFS, SSH, SAMBA, AD.Â
•Conduct network, system, and application vulnerability scanning, configuration assessment, and remediation.Â
•Excellent customer service skills and communication skillsÂ
•Strong linux command line skillsÂ
•Ability to respond quickly and professionally to all types of users and all types of user requests, always with a positive attitude and demeanor.Â
•Willingness to help out with Desktop support issues.Â
•DOD 8570 IAT Level 2 baseline certification (or ability to obtain within 6 months)Â

Education & Experience : Bachelor's with 3+ years of relevant work experience.Â
Work Authorization : US Citizenship is required due to the nature of the work.Â
Clearance : Active Top Secret Clearance.Â

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