Cyber Infrastructure Specialist

18 hours ago

Arlington, Virginia, United States Leidos Full time
Job Title: System Administrator

Description

Leidos is seeking a highly skilled System Administrator to join our team in Arlington, VA. As a key member of our IT team, you will be responsible for maintaining, upgrading, and managing software, hardware, and networks to ensure the smooth operation of our technology infrastructure.

Key Responsibilities

  • Design, evaluate, maintain, and troubleshoot Windows Server 2016/2019/2022 and Red Hat Linux 7 and 8 using current technologies.
  • Proactively maintain and develop all Windows and Linux infrastructure technology to maintain 24x7x365 uptime service.
  • Install, upgrade, and maintain operating systems and applications; provide supporting data and documentation for systems and applications accreditation processes and change requests.
  • Collaborate with development and security teams to share and obtain information on routine and non-routine maintenance and troubleshoot common systems and their interactions with command systems infrastructure.
  • Administer Active Directory services, member servers, and storage; integrate new technologies into new and existing systems, including the transition and migration of enterprise systems.
  • Isolate and resolve complex hardware and software problems involving applications, operating systems, hardware, systems infrastructure, etc.
  • Manage and execute projects approved and documented in the ticketing system.
  • Perform systems administration of desktop and server systems connected to local and wide area networks; systems management including account monitoring, security, operating system installation, and other local area system administration related functions.
  • Utilize manual checks, GUI-based, and command line tools (PowerShell) to troubleshoot and remediate basic to complex systems hardware, software, and configuration issues on assigned systems, networks, Active Directory.
  • Demonstrated proficiency with Linux environments, services, configurations, package deployments, troubleshooting, implementing security best practices, system/user policies.
  • Develop and maintain scripts and/or automation tools for installation, configuration, and maintenance of systems.
  • Ensure the transition and migration of networks and development of network addressing schemes and administration of Microsoft domains.
  • Implement and manage disaster recovery and COOP plans, systems, and operations.
  • Perform planning and analytical tasks for design and implementation projects to include personnel, hardware, software, support facilities, equipment, etc.
  • Provide input to in-progress reviews on IT projects and maintain effective communications with government and other site leadership.
  • Participate in special projects and day-to-day operations.

Requirements

  • Bachelor's degree with 4-8 years of relevant systems administration/systems engineering experience. Additional years of relevant experience may be substituted in lieu of a degree.
  • Experience designing, evaluating, maintaining, and troubleshooting Windows Server 2016/2019/2022 and Red Hat Linux 7 and 8 using current technologies.
  • Ability to upgrade Windows and Linux Servers to new versions and plan, deliver, operate, and manage Microsoft server infrastructure solutions across multiple solution areas in a DoD enterprise environment.
  • Ability to upgrade Red Hat Linux to new versions and plan, deliver, operate, and manage the infrastructure solutions across multiple solution areas in a DoD enterprise environment.
  • Knowledge or experience with Hyper-V, VMWare, or Azure, SCCM, SMTP, Printer Management, DHCP, DNS, NFS, SAMBA, CIFS, etc. and remote hosting/sharing protocols.
  • Active Microsoft Windows Server Hybrid Administrator Associate (Exams AZ-800 & AZ-801).
  • Active DoD 8570 certification at IAT II, Red Hat Linux, Linux +, CompTIA Security +ce or higher.
  • Experienced working with Active Directory.
  • Experienced with Linux.
  • Experienced with patching/STIGing and system upgrades that occur in a classified environment.
  • Customer-oriented with excellent oral and written communications skills; able to communicate with both technical and non-technical personnel.
  • Security Clearance Requirement: Active DoD TS/SCI security clearance.

Preferred Qualifications

  • Additional certifications to include: RHEL Certification, Linux +, CCNA, CCSP, MCSE, and/or SANS GIAC.
  • Experienced with Linux administration.

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