Software Systems Integrator

Job Title: Software Systems Integrator

Job Code: 29929

Job Location: Greenville TX and RockwallTX

Schedule: 9/80

Job Description:

L3Harris is seeking a hybrid Windows/Linux Systems Administrator to support Mission System integration in unclassified and secure DoD DCSA accredited environments. The position will be responsible for developing and maintaining mission system environments with a mix of OS and hosting solutions. Integration of the mission systems will include the install and configuration of the Operating Systems and Mission software Infrastructure services and Cyber Security hardening. A solid understanding of Linux administration and enterprise services is required. Understanding of Windows administration is also a plus. A candidate must be a self-starter be able to work independently work effectively in a diverse technical team and could take ownership of issues through resolution.

Essential Functions:

• 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

Qualifications:

• Able to obtain/maintain a DoD Secret (or higher) Security Clearance.
• Bachelors 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/workstation systems administration on Red Hat based distributions (RHEL9 RHEL8 RHEL7 Rocky8 CentOS7)
• Windows server/workstation systems administration on Server 2019 or newer Windows 10/11
• System Integration concepts:
  • Building and configuring images
  • Troubleshooting / Break Fix
  • Software solution integration
• Configuring and maintaining infrastructure services such as Directory Service/LDAP (AD ds389 RHDS) DHCP NTP DNS SMB Anti Virus PXE Boot
• Ability to draft Technical documents

Preferred Additional Skills:

• Certifications RHCSA RHCE RHCSS RHCDS Security CISSP CISM
• Supporting multi-OS environments of Linux Windows Solaris and embedded OSs
• 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
• Configuration management with Ansible/Ansible Automation Platform AWX puppet or chef
• 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 with troubleshooting complex distributed systems
• Demonstrated experience with creating and improving documented procedures

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