Software Systems Integrator

L3Harris•Greenville, NC

59d•Onsite

About The Position

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

Requirements

Able to obtain/maintain a DoD Secret (or higher) Security Clearance.
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/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

Nice To Haves

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
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

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

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