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CommIT Enterprises

Government engineering, data analytics, cloud services

Red Hat Linux Engineer

System AdministrationConfirmed live in the last 24 hours
Full-timeQuantico, VA, USA$100k - $150k /yr

About the Job

Requirements

  • DoD 8570 IAT III or IAM II certification, such as CASP+, CCNP Security, CISA, GSE, SCNA, CISSP or CISSP Associate, CAP, GSLC, CISM, GCED, GCIH, CISO, or HCISPP.
  • At least 7 years of experience supporting, configuring, and administering Linux 8 or later (RHEL) operating systems in an enterprise environment.
  • Experience with RHEL 8.x or later and virtualized environments, including vSphere and ESXi.
  • Red Hat Enterprise Linux experience.
  • Ability to troubleshoot SSH connection issues.
  • Understanding of LVM partitioning, disk space, and system troubleshooting.
  • Familiarity with VMware and vSphere.
  • Understanding of SSL/TLS certificates and operating-system hardening.
  • Strong understanding of network configuration and troubleshooting using nmtui, nmcli, service, netstat, grep, and top.
  • Understanding of patching and RPM package management.
  • Ability to troubleshoot kernel panics, reset root and GRUB passwords, and configure firewalls.
  • Familiarity with Ansible, Ansible Playbook, and Ansible roles.
  • Knowledge and experience with Red Hat Linux and common cybersecurity toolsets and processes, including STIGs, CAS, IAVA management and implementation, and OPORD/FRAGO support.
  • Active DoD Secret clearance.

Responsibilities

  • Install and patch operating systems and applications, and document applicable DISA Security Technical Implementation Guidelines (STIGs) for each network environment across all ACAS implementations.
  • Assess current ACAS implementations for each GEN network and recommend changes.
  • Document the design steps for the ACAS solution for each GEN network, including each component’s IP address, Fully Qualified Domain Name, and physical location.
  • Create network diagrams of the designs using Microsoft Visio, including hardware and software requirements.
  • Maintain Nessus scanners’ and Passive Vulnerability Scanners’ connectivity with the associated Security Center.
  • Develop or update Standard Operating Procedures for each client ACAS solution and document them in the SharePoint portal.
  • Provide reports as necessary.
  • Build Linux servers from DISA-provided ISO images.
  • Operate and maintain the ACAS infrastructure to support network and appliance scanning and configuration assessments.
  • Provide training to operators and Information Assurance personnel to maintain and operate ACAS tool functionality.

Desired Qualifications

  • Understanding of Red Hat Satellite version 6.12 or higher.
  • Familiarity with Active Directory concepts, LDAP, or Kerberos.
  • Ability to build or configure new YUM repositories for patching.
  • Familiarity with AWS or Azure cloud for future projects.
  • Scripting experience with Nessus Attack Scripting Language (NASL), Python, or Bash.
  • Engineering experience with Nessus Manager and Monitor implementation.
  • Ability to launch a new cloud instance from a provided AMI or Launch Template.
  • Understanding of Security Groups, VPC, IAM, autoscaling, load balancers, and container architecture.

About the Company

CommIT Enterprises

Government engineering, data analytics, cloud services

CommIT Enterprises delivers technical engineering and data science services to government clients, supporting programs for the VA and DoD, including acquisition management, systems engineering, cybersecurity, cloud engineering, agile development, and data analytics. Its offerings span DevSecOps, automated testing, mobile app development, and technology modernization, all designed to run in fast-changing environments using AWS GovCloud (IL3) and other platforms. The firm operates strictly in AWS GovCloud and maintains offices in Fredericksburg, VA and Charleston, SC, serving CONUS and OCONUS customers. As a certified veteran-owned small business with over 20 years of experience, its goal is to provide reliable, compliant, scalable IT solutions that meet demanding government requirements.

Company size
51-200
Company stage
Not listed
Total funding
Not listed
Headquarters
Maryland, United States
Founded
2001

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