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Senior Systems Administrator II RHEL

Company: Dhd Consulting
Location: Springfield
Posted on: January 16, 2022

Job Description:

Clearance Requirement: Top Secret/SCI with counterintelligence (CI) polygraph (in-scope within the past 7 years)

Position Description:

The Senior Systems Administrator II - Red Hat Enterprise Linux (RHEL) supports the Information Technology Operations and Maintenance (O&M) Server team to provide enterprise-level, high-performance, highly available, server technology solutions (systems, applications, and servers) as the customers Enterprise IT Systems, Applications, and Services catalogs.

Under the guidance of the Principal Systems Administrator, the Senior Systems Administrator provides O&M support installation, configuration, securing and hardening, testing, sustainment, upgrading, remediation, and decommissioning as it relates to enterprise server-based solutions on the Linux server platforms across the IT enterprises multi-platform information system, varying in size and complexity (LAN, MAN, WAN, etc.).

Existing *nix server-based solutions includes a variety of major technology vendors including, but not limited to AIS, McAfee, Microsoft, Red Hat, Splunk, Tenable, ServiceNow, and SolarWinds. The majority of enterprise services hosted on Linux distributions are running on Red Hat Enterprise Linux (RHEL).

The Senior Systems Administrator supports the mid-level internal escalation tier(s) for the Server O&M team providing troubleshooting support and guidance to assess and remediate challenges in the Server system, Application, and Services in a timely manner that arise.

The Senior Systems Administrator also contributes to the production and maintenance of documentation for the Server teams solution system(s), sub-system(s), and component(s) deployed and in use in the customers IT Solutions portfolio, including as-built documentation, capacity/performance plans, policies and procedures, workflows, run books, and all other area of server system life-cycle planning.

Mandatory Position Qualifications:

  • Shall have 5 or more years of hands-on experience providing O&M support of Linux-based enterprise server operating systems (OSs) (primarily RHEL) and server applications and services, such a Red Hat Satellite, Ansible, Puppet, etc., hosted on those platforms on a production information systems varying in size and complexity (LAN, MAN, WAN, etc.).
  • Shall have 3 or more years of personal and hands-on experience installing, configuring, tuning, securing, operating, and maintaining Red Hat Satellite as the infrastructure management solution to keep deployed production RHEL environments running efficiently, securely, and compliant within an enterprise production environment. Working knowledge and/or hands-on experience with Red Hat Satellite 6.3 or newer is a plus.
  • Shall have 3 or more years of experience operating and maintaining solutions in secure processing environments which must adhere to U.S. Government Information Assurance and Security standards such as the Defense Information Systems Agency (DISA) Security Requirements Guides (SRGs) and Security Technical Implementation Guides (STIGs).
  • Shall have 3 or more years of personal and hands-on experience planning, implementing, configuring, documenting, and maintaining Security Enhanced Linux (SELinux) configurations, to include Multi Category Security (MCS) and Multi Level Security (MLS), on supported Linux platforms, to include RHEL.
  • Demonstrated hands-on experience providing O&M support to third-party anti-virus and anti-malware products installed on RHEL platforms to include advanced and in-depth impact analysis, policy and rule review, and providing recommendations to ensure RHEL platforms are running securely, but also as efficient and optimal as possible within information assurance (IA) and information security (INFOSEC) boundaries.
  • Demonstrated experience understanding and applying vendor guidance and best practices to securely implement, configure and support the use of an established Microsoft Active Directory (AD) as a centralized identity and authentication solution for supported Linux platforms, with specific focus on RHEL.
  • Demonstrated experience monitoring deployed production Linux platforms for performance, av Powered by JazzHR

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Keywords: Dhd Consulting, Washington DC , Senior Systems Administrator II RHEL, IT / Software / Systems , Springfield, DC

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