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Linux Systems Administrator Security Clearance

Job in Lexington, Middlesex County, Massachusetts, 02420, USA
Listing for: John Galt Staffing
Full Time position
Listed on 2025-12-10
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Linux Systems Administrator with Security Clearance
Linux systems administrator with some Solaris experience.

• Domains: IT Infrastructure, Networking, system architecture design, system configuration management, system troubleshooting

• Responsible for management, administration, and support of all systems’ infrastructure in Group.

• Responsible for configuring and maintaining (physical and virtual) servers and researcher workstations in a secure RMF compliant and documented manor.

• Support additional technologies as they are adopted by the Laboratory.

• Responsible for vulnerability remediation on secure and unclassified Laboratory systems. Addressing Cat 1, 2, 3 issues in a timely manner

• Recognizing and troubleshooting issues with developer’s machines as they occur across a variety of Operating Systems. Windows, Linux, Solaris, etc.

• Perform all related duties as assigned. Required Technical

Skills:

• Operating Systems:
Red hat Enterprise Linux, Solaris and VMware

• Hardware:
Dell

• Software/applications:
Red Hat IDM, McAfee;
Enterprise Central Logging, LDAP, Splunk, Net App, VMware vCenter/ESXI/vSAN, Github, ACAS

• Networking applications and protocols: TCP/IP, DNS/DHCP, NTP, SSH

• Programming

Languages:

Ansible, Shell Scripting, Power Shell.

• Skilled at centralized authentication (SSSD, IDM, Active Directory) and centralized sudo administration via IDM
Preferred Technical

Skills:

• Linux Realtime Kernel support experience is a bonus

• Juniper and/or Cisco experience is a plus

• Python/PyPI experience is a plus

• Docker and/or Podman is a plus Non-Technical

Skills:

• Candidates must be, team oriented, enthusiastic, innovative and motivated self-starters able to work independently, or with a group, to achieve program requirements.

• Candidates must possess strong oral and written communications skills, and must be able to present findings/results to internal and external organizations.

• Adhere to Laboratory policies and procedures

• Ability to work with researchers to troubleshoot diverse and custom written applications in a secure environment. Applicable Education and Professional Accreditation:

• Degree in one of the following disciplines:
Science, Technology, Engineering, Math, or a related technical discipline

• Certification(s) in one or more of the following disciplines:
Solaris administration, Red Hat, VMWare, Certified Information Systems Security Professional (CISSP);
CompTIA Security+;
Linux Professional Institute Certification

• Any prior military experience is a plus. They will modify the years of experience or the required Bachelor's Degree if someone has the majority of the technical skills and a military background.
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