Sr Linux System Administrator-TS/SCI with FS 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

LINUX SYSTEM ADMINISTRATOR: Expert Level

Location: Chantilly, VA US

Security Clearance Requirement: TS/SCI with Full Scope Polygraph

Clearance Status: Must be Current

JOB DESCRIPTION

Inferno Systems is currently looking to hire individuals for our Linux System Administrator positions. Candidates should have a preferred minimum of 7+ years as a network engineer/system admin. Candidates with fewer years of experience will be considered on a case-by-case basis, depending on technical skill level.

JOB SUMMARY

This position will require a solid understanding of Linux administration as you help design, build and test new systems employed by our customer to support ongoing operations. You will be taking and managing requirements between developers and engineers in Technical Exchange Meetings (TEMs). You will function as a Linux systems SME to help them design a system that both meets operational requirements and system security plans. Successful candidates will know how to install, configure, and maintain Linux operating systems. They will analyze and resolve problems associated with the operating system's servers, hardware, applications and software.

REQUIRED SKILLS

• Experience as a Linux Systems Administrator
• Experience operating in a virtual environment such as VMware vSphere / ESXi, or KVM
• Experience integrating LDAP with Windows Active Directory (AD)
• Strong customer service and technical writing skills
• Proficient in at least one scripting language such as Python, Perl and/or Bash.
• Solid understanding of Linux logging, network traffic analysis, SPLUNK, network traffic redirection (i.e. iptables).
• Familiarity with web proxies (iptables, mod_proxy, digital certificates, etc.), common web servers (i.e. Apache, NGINX), SSL certificates, and DNS records.
• Understanding of Linux operating systems (e.g. Centos, Ubuntu, Fedora, Scientific Linux, Debian, etc.) and the ability to research the latest technological developments in the relevant operating systems to identify impact and anticipate changes to the organization's operating environment.
• Experience monitoring network activity and network traffic redirection.
• Experience in the design, implementation, procurement, tradecraft, or maintenance of various layers of network infrastructure.
• Candidate must be organized, detail-orientated, a team player, and willing/eager to learn.

DESIRED SKILLS

• Experience with Windows and network administration
• Experience with Apache Solr
• Experience with installing, configuring and maintaining physical server hardware