L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Lead, Information Security System Engineering
Job Code: 40359
Job Location: Greenville, TX; On-site
Job Schedule: 9/80, off every other Friday, 1st shift
Job Description:
This position is for a Linux Systems Administrator ISSE 5 supporting Agile Software Development Engineering teams. This lead, senior position requires the ability to perform complex, multi-disciplined administration in DoD regulated secure lab and isolated network environments. The Linux Systems Administrator will participate in roadmap, architecture, implementation, and sustainment of operational network infrastructure supporting software teams. Candidate must be a self-motivated team player with excellent technical and communication skills, demonstrating senior level mentorship and architecture experience.
Essential Functions:
-
Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux, Windows, and Network operations.
-
Assist Software Engineers and Site Reliability Engineers by providing Linux infrastructure services in support of development efforts.
-
Partner with Information Security team to provide secure, auditable Linux systems.
-
Plan and document operational processes, configurations, and diagrams required for management, Security operations, and the software teams.
-
Coach, mentor and train new team members.
-
Architecture design and implementation of Linux infrastructure services.
-
Assist leadership with business decisions aligned to demonstrate and safeguard the company by assuring that applicable laws and policies are followed.
-
Requires an Active Secret clearance.
Qualifications:
-
Bachelor’s Degree and minimum 6 years of prior relevant experience.
-
Graduate Degree and a minimum of 4 years of prior related experience.
-
In lieu of a degree, minimum of 10 years of prior related experience.
-
Linux server and workstation systems administration on Red Hat based distributions (RHEL10, RHEL9, RHEL8) to include
-
Break/fix troubleshooting.
-
Provisioning via Satellite, Kickstart, or Forman.
-
Network infrastructure services setup and maintenance of DNS, DHCP.
-
Network storage services setup and maintenance of NFS, automounts, SMB/Samba.
-
Privilege escalation management.
-
Shell scripting in sh/bash or csh/tcsh.
Preferred Additional Skills:
-
System hardening and auditing to RMF, CMMC, DFARS, NIST 800-171, NIST 800-53.
-
Configuration management with Ansible/Ansible Automation Platform, AWX, puppet, or chef.
-
Centralized authentication setup and user/group management (FreeIPA, Red Hat IDM, Kerberos, LDAP, NIS, AD).
-
Scripting in modern languages python, perl.
-
Basic network administration of layer 2/3 switches.
-
Supporting multi-OS environments of Linux, Windows, Solaris, and embedded OS’s.
-
Knowledge of DevOps tools (Kubernetes, OpenShift, TeamCity, Docker, Jenkins, Artifactory).
-
Experience in building/utilizing CI/CD pipelines.
-
Experience with cloud platforms AWS, Azure.
-
Certifications RHCSA, RHCE, RHCSS, RHCDS, Security+, CISSP, CISM.
-
Deep understanding of metrics and monitoring systems.
-
Experience performing log analysis and other network forensic investigations.
-
Deep expertise troubleshooting complex distributed systems.
-
Experience with creating and improving documented procedures and/or playbooks.
#LI-AM2
L3Harris Technologies is proud to be an 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.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
