Sr Linux Systems Administrator at Raytheon
El Segundo, CA 90245, USA -
Full Time


Start Date

Immediate

Expiry Date

14 Oct, 25

Salary

90000.0

Posted On

14 Jul, 25

Experience

3 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Clamav, Simulations, Software, Selinux, Scanning, Sql, Active Directory, Splunk, Hardware Development, Databases, Automation Tools, Sem, Oracle, Nessus, Ldap, Rhel, Scap, Mariadb

Industry

Information Technology/IT

Description

QUALIFICATIONS YOU MUST HAVE:

  • Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.
  • Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
  • Experience with RHEL 7/8/9, including systemd, firewalld, and SELinux.

QUALIFICATIONS WE PREFER:

  • Experience with enterprise logging, monitoring, and alerting systems.
  • Experience with automation tools such as Ansible.
  • Experience with CIS/STIG benchmarks and DoD security standards.
  • Experience with Databases including MariaDB, Oracle, and SQL
  • Linux OS Certificate ( RHCSA / Linux+ )
  • Experience with scanning tools such as Nessus and SCAP
  • Experience with Splunk
  • Experience with High Performance Computing ( HPC ) Environments
  • Experience with NetApp / OnTap tools
  • Experience with Enterprise Active Directory (AD) & LDAP
  • Experience dealing with Managed Anti-Virus (AV) solutions ( ClamAV & SEM ).
  • Scripting Experience (Bash, Python, Ansible) and Kickstart
  • Experience hardening systems using tools like SCAP and following STIGs.
  • Experience supporting engineers in software, simulations, and hardware development.
Responsibilities

POSITION ROLE TYPE:

Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

What You Will Do:

  • Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions.
  • Collaborate with Cyber to maintain and monitor system availability, performance, and logs using enterprise tools.
  • Configure and maintain STIG-compliant systems in accordance with DoD security standards.
  • Automate system tasks using Ansible and Bash shell scripting
  • Troubleshoot hardware and software issues across physical and virtualized environments (VMWare)
  • Work closely with security, network, and development teams to support mission objectives.
  • Support audit readiness activities and respond to security vulnerability findings.
  • Provide mentorship and guidance to junior system administrators.
  • Leverage ticketing system to resolve incidents submitted by end user
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