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Linux System Administrator

4 weeks ago

Bowie, Maryland, United States Leidos Full time
Job Title:

Linux System Administrator

Description:

Leidos Defense Systems is seeking a skilled Linux System Administrator to join our team in Bowie, MD. As a key member of our IT and engineering team, you will be responsible for designing, deploying, maintaining, and configuring our expanding infrastructure supporting a multi-platform, multi-site, high availability, secure, real-time network.

You will work comfortably at several levels of support, from installation and configuration to troubleshooting and managing Linux infrastructure related to software and services. Your updates will be shared with team members and management for strategic planning purposes.

Projects and tasks will be assigned, and at times, you will be required to work independently, using your judgment to balance resources, schedules, work hours, and travel to regional sites to obtain results. You will be responsible for managing risk for PC workstations and peripherals, as well as ancillary equipment.

Key Responsibilities:
  • Perform daily Linux system administration and O&M support activities in support of a complex network environment with geographically distributed systems.
  • Monitor infrastructure systems, applications, and processes, and ensure that all issues are identified, tracked, and resolved in a timely manner.
  • Provide support for all infrastructure systems and respond to hardware and software incidents impacting local users, working with senior system administrators remotely when necessary.
Additional Responsibilities:
  • Provide system administration, installation, configuration, and troubleshooting for mission and analytic networks.
  • User account management, administration, access controls, and support.
  • Installation, configuration, and management of servers and performance.
  • Kernel parameter and disk partition modification.
  • Ansible and playbook creation and management.
  • Satellite server configuration and management.
  • RedHat Identity management.
  • Support to WAN infrastructure.
  • Client-server support, Linux software packages, and hardware upgrades.
  • Provide regression testing on new software releases.
  • Perform OS compliance with DISA STIGS.
  • Developing and documenting standard operating procedures.
  • Endpoint Protection within Linux environment.
  • Understanding of Linux internals (system calls, file systems, processes, etc.).
  • Understanding of TCP/IP and related protocols (HTTP, HTTPS, SSH, NFS).
Qualifications:
  • BS degree and 8 – 12 years of prior relevant experience or Master's with 6 – 10 years of prior relevant experience. May possess a Doctorate in technical domain.
  • Must have technical experience configuring IT software programs that utilize complex equipment/systems (ex. Linux operating systems, VMware, Dell Power Edge Servers, Backup Servers, File Storage, etc.).
  • Must have technical experience troubleshooting IT software programs that utilize complex equipment/systems (ex. Linux operating systems, VMware, Dell Power Edge Servers, Backup Servers, File Storage, etc.).
  • Must have technical experience monitoring IT software programs that utilize complex equipment/systems (ex. Linux operating systems, VMware, Dell Power Edge Servers, Backup Servers, File Storage, etc.).
  • Must have experience with the DISA STIGS.
  • Must have experience with IT system optimization, monitoring, and/or other technical set-up and troubleshooting.
  • Must have experience providing information for and documenting technical processes.
  • Must have experience or strong familiarity with Data Center design, configuration, and support (e.g. rack and stack, power, placement, etc.).
  • Must be capable of responding very quickly to customer inquiries in a clear, concise manner, to include providing detailed and comprehensive status reports and follow-ups.
  • Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures.
  • Must possess strong analytic abilities and must be meticulous and careful in their work.
  • Must be an independent thinker capable of working proficiently independently as well as within a team.
  • Must be able to respond to system administration, operations, and maintenance problems on an as-needed or on-call basis.
Certifications:
  • Security+ CE
  • Linux+ CE
Requirements:
  • Must be a US citizen and be a resident of Bowie, MD or be willing to relocate to the Bowie, MD area.
  • Must be a US Citizen and possess (and be able to maintain) a Final Secret Clearance.