Junior Red Hat Linux Engineer

About Agile Defense

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1639

Job Title:

Junior Red Hat Linux Engineer

Location:

Quantico, VA

Clearance Level: Secret, Must Have Clearance to Start

Required Certification(s):
DoD 8570 IAT III or IAM II (CASP+, CCNP Security, CISA, GSE, SCNA, CISSP, CAP, GSLC, CISM, GCED, GCIH, CISO, or HCISPP)

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.

• Install and patch operating systems, application, 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 (including list of hardware and software requirements).
• Maintain the Nessus scanners and Passive Vulnerability Scanner’s 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.

• Knowledge and experience with Red Hat Linux.
• Possesses understanding and experience with common cybersecurity toolsets and processes to include STIGs, CAS, IAVA Management and Implementation, and Operation Order (OPORD)/Fragmentary Order (FRAGO) support.

• 3+ years’ experience in supporting, configuring, and administering Linux.
• 3+ (RHEL) operating system in an enterprise environment RHEL 7.x or greater.
• Experience with virtualized environments (vSphere, ESXi).

• Red Hat Enterprise Linux (RHEL) experience.
• Must be able to troubleshoot SSH connection issues.
• Good understanding of LVM Partitioning, Disk space and troubleshooting system related issues.
• Familiar with VMware and vSphere.
• Understanding of SSL/TLS Certificate and OS hardening.
• Strong understanding of Network configuration and troubleshooting (nmtui, nmcli, service, netstat, grep, top command).
• Understanding of patching and RPM package management is a must.
• Be able to troubleshoot Kernel Panic, Root and Grub password Reset, & Firewall configurations.
• Familiar with Ansible, Ansible-playbook and Ansible roles.

• Understanding on 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 (Nessus Attack Scripting Language (NASL), Python, Bash).
• Engineering experience with Nessus Manager and Monitor Implementation.
• Able to spin new instance on the cloud from a given AMI or Launch Template.
• Understand the concept of Security Groups, VPC, IAM, Autoscaling, Load Balancer Container architecture.

• General office environment. Work is generally sedentary in…