Linux Server Administrator SME

Linux Server Administrator SME

Posted 2 days ago by 1765950702

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Negotiable
Outside
Hybrid
USA
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Active Directory Authentications CentOS Data Centers Domain Name System (DNS) Servers External Auditing File Servers Lightweight Directory Access Protocols Linux Linux Servers Operational Technology (OT) Security Oracle Linux Server Administration

Summary: The role of Linux Server Administrator / Subject Matter Expert (SME) involves managing Active Directory domain operations and DNS configuration for Linux servers, ensuring compliance with ITAR regulations. The position requires extensive experience in Linux environments and troubleshooting DNS issues to maintain connectivity across data centers. The ideal candidate will collaborate with engineering teams and document processes for compliance purposes. This role is critical for supporting mission-critical applications in high-availability environments.

Key Responsibilities:

  • Execute domain join/unjoin operations for Linux servers during AD migration.
  • Configure and manage DNS settings to ensure proper name resolution and domain integration.
  • Validate Linux server readiness and ensure compliance with ITAR (International Traffic in Arms Regulations) standards.
  • Troubleshoot and resolve issues related to AD integration, DNS resolution, authentication, and connectivity.
  • Perform pre-migration checks and coordinate planned downtime for mission-critical applications.
  • Collaborate with Honeywell engineering teams for post-migration OT functionality checks.
  • Document migration steps, DNS changes, issues, and resolutions for audit and compliance purposes.

Key Skills:

  • 8+ years of hands-on experience in Linux server administration.
  • Strong expertise in domain join/unjoin operations for Linux systems.
  • Advanced knowledge of DNS configuration and troubleshooting in Linux environments.
  • Proficiency in troubleshooting Linux server issues related to AD and DNS integration.
  • Familiarity with Red Hat, CentOS, or similar Linux distributions.
  • Ability to work in high-availability environments with mission-critical applications.
  • Excellent problem-solving and communication skills.

Salary (Rate): undetermined

City: Atlanta

Country: USA

Working Arrangements: hybrid

IR35 Status: outside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Security & Compliance Requirement (ITAR):

Due to the nature of the work under ITAR, only U.S. Citizens or meet all ITAR compliance requirements before onboarding.

__________________________________________________

We are seeking a highly skilled Linux Server Administrator / Subject Matter Expert (SME). This role focuses on Active Directory (AD) domain join/unjoin operations for Linux servers and DNS configuration management, ensuring seamless connectivity and stability across multiple data centers. The ideal candidate will have deep expertise in Linux environments, DNS troubleshooting, and ITAR compliance.

Key Responsibilities:

  • Execute domain join/unjoin operations for Linux servers during AD migration.
  • Configure and manage DNS settings to ensure proper name resolution and domain integration.
  • Validate Linux server readiness and ensure compliance with ITAR (International Traffic in Arms Regulations) standards.
  • Troubleshoot and resolve issues related to AD integration, DNS resolution, authentication, and connectivity.
  • Perform pre-migration checks and coordinate planned downtime for mission-critical applications.
  • Collaborate with Honeywell engineering teams for post-migration OT functionality checks.
  • Document migration steps, DNS changes, issues, and resolutions for audit and compliance purposes.

Required Skills & Experience:

  • 8+ years of hands-on experience in Linux server administration.
  • Strong expertise in domain join/unjoin operations for Linux systems.
  • Advanced knowledge of DNS configuration and troubleshooting in Linux environments.
  • Proficiency in troubleshooting Linux server issues related to AD and DNS integration.
  • Familiarity with Red Hat, CentOS, or similar Linux distributions.
  • Ability to work in high-availability environments with mission-critical applications.
  • Excellent problem-solving and communication skills.

Nice-to-Have Skills:

  • Experience with large-scale Linux migrations in OT/IT environments.
  • Knowledge of backup and recovery strategies for Linux servers.
  • Familiarity with ITAR compliance processes.
  • Exposure to Kerberos, LDAP, and DNS best practices in enterprise environments.
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