Senior Linux Administrator

CONCEPT SOLUTIONS LLC•Egg Harbor Township, NJ

6d•Hybrid

About The Position

Concept Solutions is seeking a Senior Linux Administrator to support the FAA’s Infrastructure & Operations (I&O) Program in managing, securing, automating, and optimizing enterprise Linux and hybrid cloud environments across physical, virtual, and cloud-based infrastructure. This role is responsible for Linux systems administration, OS lifecycle management, automation, security compliance, patching, and infrastructure modernization in support of mission-critical FAA operations. The Senior Linux Administrator will serve as a technical expert supporting Red Hat Enterprise Linux (RHEL), Rocky Linux, Ubuntu, and Amazon Linux systems across enterprise environments. This position focuses on advanced Linux administration, automation, cloud provisioning, security hardening, patching, storage, virtualization, and operational consistency through infrastructure-as-code and DevSecOps practices. The ideal candidate brings strong scripting, cloud, virtualization, and security expertise with the ability to support large-scale enterprise deployments while maintaining FAA operational and compliance standards. Participation in monthly weekend patching rotation with partial flex scheduling.

Requirements

Bachelor’s degree in Information Technology, Computer Science, or related field and 8+ years of relevant experience
Strong experience administering Red Hat Enterprise Linux (RHEL 7+) environments
Strong scripting experience in Python and Bash
Experience with Terraform, Ansible, PowerShell, Git/Bitbucket
Knowledge of Linux security including SELinux, iptables, STIG implementation, OpenSTIG
Experience with AWS/Azure cloud provisioning
Experience with VMware and/or Nutanix
Knowledge of Active Directory integration
Experience with Tanium, Satellite, or enterprise patch automation
Strong TCP/IP networking fundamentals
Ability to obtain RHCSA certification or equivalent

Nice To Haves

AWS Cloud certifications (Cloud Practitioner plus advanced certification such as Solutions Architect, Developer, or Security)
Experience with FreeIPA
Experience supporting large-scale federal or regulated enterprise environments
Familiarity with Agile/DevSecOps methodologies
Experience with enterprise backup/recovery strategies

Responsibilities

Administer, configure, maintain, and troubleshoot enterprise Linux environments including RHEL 7+, Rocky Linux, Ubuntu, and Amazon Linux
Manage Linux OS lifecycle processes including automated deployment, provisioning, maintenance, patching, and decommissioning across physical, VMware, Nutanix, and cloud environments
Build and deploy Linux systems from bare metal, virtual infrastructure, and cloud platforms using standardized automation frameworks
Manage Linux storage, partitioning, RAID groups, file systems, volume management, and backup/recovery processes
Support Linux Active Directory integration, FreeIPA authentication services, and enterprise identity management
Develop and maintain automation solutions using Python, Bash, PowerShell, Terraform, and Ansible
Automate OS deployments, patching, software distribution, server configuration, and lifecycle management
Build and manage AMIs, deployment templates, and cloud/virtual images
Support Git/Bitbucket workflows and DevSecOps toolchains
Leverage AI-assisted development tools (e.g., Visual Studio Code frameworks) to improve operational efficiency
Implement and maintain Linux security controls including SELinux, iptables, STIGs, OpenSTIG, and OS firewall configurations
Perform vulnerability remediation, security hardening, and compliance validation
Execute automated OS patching using tools such as Tanium or Red Hat Satellite
Participate in scheduled monthly patching rotations, including weekend maintenance windows
Support change control, audit readiness, and agency security initiatives
Provision and manage AWS/Azure cloud services including EC2, S3, RDS, Security Groups, and cloud accounts
Support VMware and Nutanix guest OS deployment and management
Manage enterprise storage solutions across virtualization and cloud platforms
Troubleshoot network connectivity, TCP/IP, subnetting, and port/service dependencies
Support incident, service request, and break-fix activities through Jira and ServiceNow
Document operational procedures, deployment processes, and technical standards in internal knowledge bases/Wikis
Collaborate with Agile teams, infrastructure engineers, security teams, and application owners
Provide exceptional customer service while supporting enterprise stakeholders