Systems Administrator Position

3 weeks ago

Huntsville, Alabama, United States deciBel Research Full time

Job Title: Systems Administrator

Job Summary:

deciBel Research is seeking an experienced Systems Administrator to perform daily, weekly, monthly, and annual operational maintenance, support, and software upgrades for Red Hat Enterprise Linux (RHEL) servers, Windows 10 workstations, and Solaris 10 servers.

Responsibilities:

  • Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and practices outlined in the security plan.
  • Ensure that all users have the requisite security clearances, authorization, and need-to-know before granting access to the Information System (IS).
  • Work with ISSM and security manager to develop and maintain a System Security Plan (SSP), in accordance with JSIG.
  • Conduct reviews to ensure compliance with the SSP and report issues to ISSM and security manager.
  • Ensure configuration management (CM) for security-relevant IS software, hardware, and firmware is maintained and documented.
  • Ensure all IS security-related documentation is current and accessible to properly authorized individuals.
  • Operate as the system admin for the Army system lab and report to the project manager.
  • Work independently with general direction and as a team member.
  • Perform daily, weekly, monthly, and annual operational maintenance, support, and software upgrades for Red Hat Enterprise Linux (RHEL) servers, Windows 10 workstations, and Solaris 10 servers.
  • Manage multiple servers comprising multiple virtual machines (VMs) using VMware's ESXi hypervisor, vSphere client VM manager, and vCenter system manager.
  • Continually monitor and tune system resources to achieve optimum performance, maximize system uptime, and troubleshoot system problems.
  • Perform complex software installations and upgrades to the operating systems, system services, application support packages, and application programs for Windows and Linux software product deliverables.
  • Schedule backups, installations, and upgrades and maintain the system hardware and software in accordance with the customer's IT and IA policies and procedures.
  • Ensure system and application data recoverability by maintaining a schedule of system backups, database archives, and restoration operations.
  • Work with the engineering team to plan, implement, and test upgrades to the system hardware and software.
  • Work with the IA team on security vulnerability and compliance scanning of the system servers and workstations as required under a DoD Authority to Operate (ATO).
  • Work with the IA team to maintain a Risk Management Framework (RMF) posture and participate in the RMF activities required to achieve and maintain an ATO.
  • Successful candidate will be able to perform day-to-day maintenance, operations, and support for enterprise-level operating systems, zero clients, and servers.
  • Direct and perform upgrades to end-user and network operations center systems.
  • Monitor system analyzing appliances and take action as necessary to tune system performance and/or mitigate actual and perceived threats to systems.
  • Ensure data integrity and storage to Federal standards.
  • Conduct audits of equipment and production systems and create appropriate reports.
  • Support VDI/VMware environment.

Requirements:

  • Bachelor's degree in Engineering or a related field.
  • 5+ years of relevant experience in the field.
  • Active CompTIA Security+ certification.
  • Windows operating system experience; Linux experience is a plus.
  • Working knowledge of system functions, security policies, technical security safeguards, and operational security measures.
  • Configuration Management experience.

Special Skills:

  • Red Hat Linux certification.
  • Experience in Windows server and workstation system administration, including Windows Server 2012 and 2016.
  • Solaris 10 server experience.
  • Experience in VMware virtual machines, services, and tools.
  • Experience in the interpretation of IA vulnerability and compliance and scan reports and the implementation of Security Technical Implementation Guides (STIGs) to remove vulnerabilities for IA compliance.
  • Experience with the Risk Management Framework (RMF) process and compliance with an Authority to Operate (ATO).
  • Experience in server architectures, storage architectures, virtualization, monitoring tools, backup/restore, performance tuning/capacity planning, documentation, server management.
  • Demonstrated excellent interpersonal and oral/written communication skills for effective interaction with customers and co-workers.

Security Clearance: Applicant selected must possess an active Secret security clearance. Must be a U.S. Citizen.

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