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L3Harris Software Engineer 4 in Greenville, Texas


Job Title: Software Engineer 4

Job Code: IMS20210402-56188

Job Location: Greenville, TX

Job Description:

Will concentrate on administration of Windows and Red Hat Linux systems in an OS heterogeneous environment. The position requires supporting one or more of the core OSs in an OS heterogeneous environment (Windows, Linux, Solaris, AIX). The position requires thorough, hands-on experience with network and server infrastructure technologies in the core OS (DNS, DHCP, NFS, Kerberos, LDAP, IPA, AD, GPO, Kickstart, pxeboot, puppet, ansible, cloning/imaging, email server, central antivirus deployment, database server setup/maintenance).

Plan, setup, and maintain small to medium sized networks of Linux systems, Windows systems, or both. Must show proficiency with government standard hardening practices (NISPOM, NIST, RMF, DFARS). Will work within a team to troubleshoot server and desktop issues and implement strategies to improve configurations and networks to support Agile Development engineers. Will prepare and implement backup/restore plans, including Disaster Recovery, off-site storage, and backup software such as Bacula, rsnapshot, Windows backup, BackupExec, etc. Experience of and in DevSecOps, Platform Engineering, Cloud and scripting strongly preferred.

Essential Functions:

  • Senior professional with strong knowledge of job area and broad knowledge of project management.

  • Manages complex projects or processes with general oversight. Communicates within and outside of own function to gain cooperation on operational processes, practices, and procedures.

  • Makes moderate to substantial improvements to systems and processes.

  • Contributes to achievement of departmental goals and operating plans with direct impact on the departmental results.


  • B.S. degree in Computer Science or related technical field with 6 years of experience in applicable job fields or Graduate degree with a minimum of 4 years of prior related experience. Lack of degree of degree in other areas in the STEM sciences such as Mathematics, Physics, and Electrical Engineering will be considered with applicable job experience.

  • Must have proven competency in one or more of the following core Operating Systems: RHEL 5/6/7/8 Desktop and Server, Microsoft Windows (7/10/Server 2008/2012/2016/2019 ) or Solaris ( 7/8/9/10 ).

  • Must have the ability to obtain and maintain a DoD security clearance which requires U.S. citizenship. An active Secret clearance is preferred.

Preferred additional skills:

  • Experience with DevSecOps

  • Experience with Agile methodologies

  • Tracking and collaboration tools such as Jira and Confluence

  • Network administration such as Cisco, HP, routing, firewalls, DMZ

  • Scripting such as bash, python, perl, vbs, PowerShell

  • Repository and version control tools such as Bitbucket and GitLab

  • Build automation tools such as Jenkins, GitLab CI, Gradle, Maven, Ant

  • Virtualization software such as Docker, vmWare

  • Orchestration service such as Docker Swarm or Kubernetes

  • Monitoring platforms such as Nagios, Elastic, Splunk, Zabbix, etc

  • Configuration management tools, such as Ansible, Puppet, or Chef

  • Cloud service providers such as AWS, Azure, etc.

  • Security standards such NIST 800-53, NIST 800-171, DISA STIGS

  • Accreditations such as Security+ CE, RHCSA, RHCE, MSCE

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.