Mid-Level Linux System Administrator IRES - HSV

Mid-Level Linux System Administrator

Location:

Redstone Arsenal, Huntsville, AL

Relocation Assistance:
None available at this time

Remote/Telework: NO - Not available for this position

Clearance Type:
DoW Secret

Shift: Day shift

Travel Required:

Up to 10% of the time

Description of Duties:

The Mid-Level Linux System Administrator supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will:

• Administer the operations of computer systems with a primary focus on Linux operating systems, servers, and end-user workstations.
• Administer Linux patching and configuration management tools (e.g., Red Hat Satellite, Ansible) for updating, patching, and maintaining the domain.
• Perform hardening and remediation of operating systems and DISA STIG compliance to reduce cybersecurity risks.
• Deploy, configure, and automate environments using vCenter, Bash/Python scripting, and Ansible.
• Administer Container Platforms such as Open Shift, as well as maintain repositories/Registries.
• Manage and sustain a primarily Linux workstation and server-based enterprise environment.
• Maintain and manage Secure Host Baselines for LINUX (primarily) and Windows.
• Coordinate, execute, and document authorized secure data transfers across network boundaries, serving as a designated Data Transfer Agent (DTA) in compliance with security protocols.
• Conduct daily system monitoring, system backup and restoration, and application upgrades to ensure optimal and continuous system operations.
• Develop and maintain system administration procedures and baseline configuration documentation.
• Be responsible for ensuring system software installs, maintenance, break/fix activities, and cyber security mitigations are performed in accordance with established policies, procedures, and service level agreements.
• Focus on creating, upgrading, managing, and sustaining physical and virtual workstations and servers.

The successful candidate will:

• Be able to quickly learn challenging concepts, decompose difficult service problems, and provide resolution.
• Be able to create and follow standard processes and clearly document results.
• Effectively function as a self-starter and identify risks, issues, and opportunities to the System Administration team.
• Have excellent presentation, oral, and written skills to facilitate effective and efficient interchanges with senior customer management and customers.
• Have a "can-do" attitude, be able to work in a very high-pace and dynamic environment and embrace change.

Basic Requirements:

• Must have 3, or more, years of directly related experience in Linux systems administration (e.g., Red Hat Enterprise Linux 7, 8, or 9 environments).
• Must have experience with Linux configuration management, automated provisioning, and patching (e.g., Red Hat Satellite, Ansible).
• Must have experience administering Linux operating systems within a virtualized environment (such as VMware vSphere/vCenter).
• Must have experience developing and executing Bash and/or Python scripts.
• Must have experience managing Linux authentication, identity management, and directory services (e.g., IdM, LDAP, SSSD, Active Directory integration).
• Must have experience configuring core Linux networking services (DNS, DHCP, NTP, SSH) and storage management (LVM, NFS).
• Must have a current DoD 8570/8140 IAT Level II certification or higher (CCNA-Security, CySA+, GICSP, GSEC, Security+, CND, or SSCP).
• Must have an active DoW Secret Security Clearance
• Must be able to obtain an active DoW Top Secret Security Clearance

Desired Requirements:

• Have a current Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification
• Have experience with Windows systems administration (Windows Server 2019/2022 and Windows 10/11) and Active Directory.
• Have experience with Windows-based deployment and patching tools (WSUS, SCCM) and Group Policy Objects (GPOs).
• Have work experience with Power Shell Scripting.
• Have experience with managing CA certificate servers.
• Have experience managing PXE/Kickstart servers for automated OS deployments.
• Have experience with 2FA to include RSA and PKI.
• Have experience with…