Senior Systems Administrator

2 weeks ago

Washington, Washington, D.C., United States Nine Mind Solutions Full time
Job Description

Clearance:

Top Secret Clearance is required for this position.

The successful candidate will be responsible for configuring and managing Windows and Linux operating systems, installing and loading software, troubleshooting issues, maintaining system integrity, and configuring network components to improve reliability and performance.

Responsibilities:

  • Provisioning, installation, configuration, operation, and maintenance of Windows and Linux servers.
  • Plan, implement, and maintain systems configuration in accordance with configuration management procedures.
  • Conduct installations of operating system and supporting software.
  • Support end-user applications and assist application support teams in implementation and troubleshooting activities.
  • Perform routine software and hardware maintenance, firmware upgrades, patches, and fixes.
  • Perform daily backup operations.
  • Prepare technical specifications documentation.
  • Contribute to cybersecurity with vulnerability management and remediation, STIG implementation, and incident response.
  • Recommend technical standards and policies.
  • Coordinate with vendors to troubleshoot, maintain, and implement hardware and software.
  • Analyze and improve system performance and reliability.
  • Conduct systems inventory and update asset management documentation.
  • Document and update systems architecture drawings and server rack elevations using Microsoft Visio.
  • Provide technical assistance, training, and system documentation for users to promote efficient operation of applications.
  • Conduct risk assessments, account audits, access rights audits, and activity audits.
  • Develop disaster recovery procedures, including implementation of warm site and testing of tier one applications failover.

Requirements:

  • Top Secret Clearance
  • US Citizen
  • 7+ years relevant experience in IT Operations environment
  • 3+ years of experience building and administering Red Hat Enterprise Linux (RHEL) servers
  • 1+ years of experience demonstrated professional expertise managing and operating Windows Server (2012, 2016)
  • 1+ years of VMware ESXi/vSphere/vCenter experience
  • An in-depth knowledge of RHEL, Microsoft Windows Server, and Desktop Environments (Windows 10, Windows Server 2012/2016)
  • Thorough understanding of the desktop and server image build process
  • Experience with Azure, Windows, and Linux operating systems and concepts
  • Experience with Compliance Management through Group Policy, Active Directory, Microsoft 365, and Exchange
  • Working knowledge of system hardening (STIGs, SRGs, regulatory compliance)
  • Advanced understanding of IP networking
  • Thorough knowledge of Switches, Routers, and Firewalls
  • Experience with troubleshooting, proactively identifying issues, and driving them to resolution
  • Strong communication skills (oral and written) as well as the ability to interact with team members, various levels of management, and internal clients with assorted levels of computer experience
  • Committed to results and success in accomplishing goals
  • A fast learner with a demonstrated ability to quickly learn technology and understand unique system requirements
  • Ability to work after hours and weekends when required
  • Experience with Security Compliance and Nessus Security Center scan reports
  • Experience with Monthly patching cycles. SCCM/LAN Desk experience preferred

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