Systems Administrator -TS - LLJP00001788

Lexington, MA 02420

Posted: 07/03/2025 Employment Type: Contract Industry: Engineering Job Number: BBBH84831_1751554155 Pay Rate: US$75 - US$90 per hour

Job Description


Job Title: Systems Administrator -TS - LLJP00001788

Job Location: Lexington MA 02420

Onsite Requirements:
  • Linux and Windows Operating systems
  • DNS, DHCP, Proxy and Load Balancing
  • Windows Server Administration (SCI classified environment)

Job Description:


Roles and Responsibilities:
  • Modernizing Linux build system lifecycle by automating existing processes using infrastructure as code.
  • 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.
  • Work with security compliance team to develop creative solutions to meet the needs of users while remaining compliant with government policy.
  • Evolve and maintain classified development networks by working to upgrade hardware and software.
  • Develop and refine comprehensive system documentation, ensuring the creation of detailed diagrams and standard operating procedures.

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

Skill Matrix:
  • Certification
  • DOD 8570 IAT Level 2 baseline certification (or ability to obtain within 6 months): Yes

Degree Level
  • Bachelor's Degree: Yes

Experience
  • Currently holds a Top Secret Clearance: Yes

Government Policy/Regulations
  • Hardening Linux and Windows systems per RMF and DoD Security Technical Implementation Guides: 3 years
  • IT Security Policies (NIST/RMF/JSIG): 3 years

Hardware
  • Hardware: Intel/AMD, Dell: 3 years

Networks
  • Computer Networking (TCP/IP and UDP/IP communication): 3 years

Programming
  • Powershell and Ansible (or other programming languages): 3 years

Soft Skills
  • Strong Verbal and Written Communication: Yes

Software Tools
  • Ubuntu/Linux: 3 years

Systems
  • MS Active Directory, LDAP: 3 years
  • Redhat Linux Systems Administration: 3 years
  • Strong 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
  • Windows Patch Management: 3 years
  • Windows Server Administration (SCI classified environment): 3 years
  • Windows Server Platform: 3 years

Nice to Have:


Certification:
  • Red Hat Linux Certification: Yes


  • **3rd party and subcontract staffing agencies are not eligible for partnership on this position. 3rd party subcontractors need not apply.
  • This position requires candidates to be eligible to work in the United States, directly for an employer, without sponsorship now or anytime in the future.
  • This client is a US Federal Government contractor and is legally required to hire US Citizens. US Citizens will only be considered for this role.
  • Due to the nature of the work, a United States Government Clearance is required to be eligible for the position**
Apply Online
Apply with LinkedIn Apply with Facebook Apply with X

Send an email reminder to:

Share This Job:

Related Jobs:

About Lexington, MA

Discover exciting job opportunities in the vibrant city of Lexington, Massachusetts! Embrace career growth in a picturesque New England town that seamlessly blends history and innovation. Home to renowned landmarks like the Minuteman Statue and captivating attractions such as the Lexington Symphony, this charming area offers a rich cultural tapestry. Indulge in the local cuisine, catch a show at the unique Munroe Center for the Arts, or cheer on the New England Revolution at Gillette Stadium nearby. With easy access to beautiful parks like the Great Meadows National Wildlife Refuge, Lexington provides the perfect blend of career advancement and quality of life. Explore our job listings today and unlock your potential in this enchanting location.