Title Red Hat Linux Engineer

CommIT EnterprisesTitleRed Hat Linux EngineerLocationUS-VA-QuanticoID2026-1312CategoryEngineeringPosition TypeRegular Full-TimeOverviewCommIT Enterprises, Inc. is seeking a Red Hat Linux Engineer to join the team in Quantico, VA. The successful candidate will use their Red Hat Linux experience to support the Customer in the design and implementation of their Assured Compliance Assessment Solution (ACAS) for the Customer's Government Enterprise Networks (GEN). The Linux Administrator will operate and maintain the infrastructure for the ACAS solution to support network and appliance scanning and configuration assessments and provide training to operators and Information Assurance personnel to maintain and operate the ACAS tool functionality.Established in 2001, CommIT is a Certified Veteran-Owned Small Business (CVOSB) providing innovative technical engineering and data science services. Our enterprise systems support includes the Department of Defense's (DoD) GCSS-MC, CAC2S, TBMCS-MC, and the Department of Veteran's Affairs' (VA) telehealth communications. We offer acquisition management, systems engineering, Agile software development, cloud management, IT modernization, data analytics, cybersecurity, and training, including leading-edge DevSecOps, automated testing, and mobile application development.ResponsibilitiesInstall and patch operating systems, applications, and document Department Information Systems Agency (DISA) Security Technical Implementation Guidelines (STIGs) applicable to each network environment for all ACAS implementations.Assess current ACAS implementations for each of the GEN networks and recommend changes.Document the steps required to design the ACAS solution for each of the GEN networks to include IP address, Fully Qualified Domain Name, and physical location of each component.Create network diagrams of the designs with Microsoft Visio (include list of hardware and software requirements).Maintain the Nessus scanners and Passive Vulnerability Scanner's (PVS) connectivity with the associated Security Center (SC).Develop and/or update the Standard Operating Procedures (SOP) to support each of the client ACAS solutions documented within the SharePoint portal.Provide reports as necessary.Build Linux Server from DISA provided ISO image.QualificationsDoD 8570 IAT III or IAM II (CASP+, CCNP Security, CISA, GSE, SCNA, CISSP [or Associate], CAP, GSLC, CISM, GCED, GCIH, CISO, or HCISPP).7+ years' experience in supporting, configuring, and administering Linux.7+ years of Red Hat Enterprise Linux (RHEL) operating system in an enterprise environment (RHEL 7.x or greater).Experience with virtualized environments (vSphere, ESXi).Knowledge and experience with Red Hat Linux. Understanding of cybersecurity toolsets and processes including STIGs, IAVA management and implementation, and OPORD/FRAGO support.Red Hat Enterprise Linux (RHEL) experience.Must be able to troubleshoot SSH connection issues.Good understanding of LVM partitioning, disk space, and related troubleshooting.Familiar with VMware and vSphere.Understanding of SSL/TLS certificates and OS hardening.Strong understanding of network configuration and troubleshooting (nmtui, nmcli, service, netstat, grep, top).Understanding of patching and RPM package management.Ability to troubleshoot Kernel Panic, root and Grub password reset, and firewall configurations.Familiar with Ansible, Ansible Playbooks, and Ansible roles.Preferred SkillsUnderstanding of Red Hat Satellite Version 6.12 or higher.Familiar with Active Directory concepts, LDAP, or Kerberos.Familiar with migration from RHEL7 to RHEL8 using Leapp utility.Build or configure new YUM repositories for patching purposes.Familiar with AWS/Azure Cloud for future projects.Scripting (NASL, Python, Bash).Engineering experience with Nessus Manager and Monitor Implementation.Ability to spin up new instances on the cloud from a given AMI or Launch Template.Understand the concepts of Security Groups, VPC, IAM, Autoscaling, and Load Balancer Container architecture.CompetenciesGood communication and interpersonal skills.Ability to follow policies and procedures.Ability to communicate clearly and respond to questions.Aptitude to address negative situations and resolve them positively.Physical Demands and Work EnvironmentGeneral office environment. Work is generally sedentary but may require standing and walking for up to 10% of the time. Lighting and temperature are adequate; no hazardous conditions.Contractor site with 0-10% travel possible.Possible off-hours work to support releases and outages.10 lbs. maximum lifting; occasional lift/carry of small articles.Occasionally required to stand; frequently required to walk and sit.Continually required to utilize hand and finger dexterity.Occasionally required to climb, balance, bend, stoop, kneel or crawl.Continually required to talk or hear.Continued visual acuity to operate equipment, read technical information, and/or use a keyboard.Security RequirementsActive DoD – SecretEqual Opportunity EmployerCommIT Enterprises, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.J-18808-Ljbffr