L3Harris Technologies · 3 hours ago
Linux Systems Administrator
Greenville, TX
Full-time
Onsite
Entry, Mid Level
2+ years expL3Harris Technologies is a leader in the defense industry, committed to delivering technology solutions for national security. The Linux Systems Administrator will support mission system integration in secure environments, focusing on the development and maintenance of mission system environments.
CommercialInformation TechnologyNational Security
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux, Windows, and Network operations
Linux and Window system deployment, upgrades, configuration management, patching and maintenance
Installation and hardening of enterprise services and integrated software
Conforming to DoD security standards (RMF, DISA, CMMC, DFARS, NISPOM) systems
Managing User Access and Security Policies
Backup and recovery of Linux and Windows based systems
Technical writing of work instructions and build manuals
Support senior staff on documenting operational processes, configurations, and diagrams required for management, Security operations, and the software teams
On site (not fully remote) position
Qualification
Required
Able to obtain and maintain a DoD Security Clearance, which requires U.S. Citizenship
Bachelor's Degree and a minimum of 2 years of prior related experience
Graduate Degree or equivalent with 0 to 2 years of prior related experience
In lieu of a degree, minimum of 6 years of prior related experience
Linux server and workstation systems administration on Red Hat based distributions (RHEL9, RHEL8, RHEL7, Rocky8, CentOS7) to include Break/fix troubleshooting and Provisioning
Configuring and maintaining infrastructure services such as Directory Service/LDAP (ds389,RHDS), DHCP, NTP, DNS, SMB, Anti Virus, PXE Boot
Demonstrated analytical skills
Ability to draft Technical documents
Preferred
Certifications RHCSA, RHCE, RHCSS, RHCDS, Security+, CISSP, CISM
Supporting multi-OS environments of Linux, Windows, Solaris, and embedded OS's
System hardening and auditing to RMF, CMMC, DFARS, NIST 800-171, NIST 800-53
Familiarity with common DoD hardening tools such as Nessus and DISA STIG
Familiarity with Windows infrastructure services such as Active Directory, GPO, DHCP, DNS, NTP
Familiarity with Security Information and Event Management (SIEM) techniques such as Splunk
Demonstrated configuration management with Ansible/Ansible Automation Platform, AWX, puppet, or chef
Demonstrated experience with scripting languages (Shell/Bash, Powershell, Python, PERL, PHP)
Basic network administration of layer 2/3 switches
Demonstrated knowledge of virtualization and containerization technologies
Demonstrated understanding of metrics and monitoring systems
Demonstrated experience performing log analysis and other network forensic investigations
Demonstrated knowledge in troubleshooting complex distributed systems
Demonstrated experience with creating and improving documented procedures
Company
L3Harris Technologies
L3Harris Technologies provides platform management system solutions for armed forces.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$2.25B2024-03-27Post Ipo Debt· $2.25B
1978-01-13IPO
Leadership Team
Tania Hanna
Vice President Government & Customer Relations
Chip Teets
Senior Director, International Programs, Products & Technology
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