Senior Linux Systems Administrator - TS/SCI Poly

Inferno Systems Inc.; Chantilly, Northern (VA, KY); Hybrid; USD 110,000 - 150,000; Full time

Job summary

Inferno Systems Inc. seeks an expert Linux System Administrator in Chantilly, VA to design, build and test Linux systems supporting mission operations. You will collaborate with developers and engineers in TEMs as a Linux SME and ensure alignment with security plans.

Strong expertise in Linux, scripting, and network infrastructure is required. The role demands 7+ years of experience, TS/SCI with Full Scope Polygraph, and current clearance.

Qualifications

• 7+ years of Linux system admin/engineering experience.
• Experience with virtual environments (VMware vSphere/ESXi or KVM).
• Experience integrating LDAP with Windows AD.
• Strong customer service and technical writing skills.
• Proficient in scripting with Python, Perl or Bash.
• Knowledge of Linux logging, network traffic analysis, SPLUNK, and iptables.
• Familiarity with web proxies, SSL certificates, DNS records, and common web servers.
• Experience with multiple Linux distributions and researching OS changes.
• Experience monitoring network activity and traffic redirection.
• Experience in design/implementation/maintenance of network infrastructure layers.
• Organized, detail-oriented, team player, eager to learn.

Responsibilities

• Design, build and test new Linux-based systems for operations.
• Serve as Linux SME to align operational requirements with security plans.
• Take and manage requirements between developers and engineers in TEMs.
• Install, configure, and maintain Linux OS and related software.

Skills

Linux Systems Administrator

VMware vSphere / ESXi / KVM

LDAP with Windows AD

Customer service & technical writing

Python, Perl, Bash scripting

Linux logging, network analysis, Splun

Web proxies, Apache, NGINX, SSL, DNS

Linux operating systems (CentOS/Ubuntu

Network activity monitoring & traffic

Network infrastructure design & upkeep

Organized, detail-oriented, team work

Windows administration (DESIRED)

Tools

Apache Solr

Physical server hardware

Job description

Inferno Systems Inc. seeks an expert Linux System Administrator in Chantilly, VA to design, build and test Linux systems supporting mission operations. You will collaborate with developers and engineers in TEMs as a Linux SME and ensure alignment with security plans.

Strong expertise in Linux, scripting, and network infrastructure is required. The role demands 7+ years of experience, TS/SCI with Full Scope Polygraph, and current clearance.