Sign Up Sign Up Log In Sign Up

Senior Systems Administrator


Job Description:

SAIC has an immediate opportunity for a Sr Systems Administrator on the NASA National Security Systems Team (NSS) at Marshall Space Flight Center in Huntsville, AL.  This position requires a Secret Clearance, with the ability to obtain a Top Secret/SCI.

Job duties:

  • Operate as a member of the system admin team and report to the lead system engineer
  • Work independently with general direction and as a team member under the direction of the project’s engineering team lead
  • Perform daily, weekly, monthly, and annual operational maintenance, support, and software upgrades for Windows Server 2016 & 2012 R2 servers, Red Hat Enterprise Linux (RHEL) servers, CentOS servers, and Windows 10 workstations.
  • Manages multiple servers comprising multiple virtual machines (VMs) using VMware’s ESXi hypervisor, vSphere client VM manager, and vCenter system manager.
  • Continually monitors and tunes system resources to achieve optimum performance, maximize system uptime, and troubleshoot system problems
  • Performs 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
  • Provide quick reaction support to the Operations team and the NASA customer, to identify, troubleshoot, and resolve system problems
  • Works with the engineering team to ensure system and application data integrity by evaluating, implementing, and managing appropriate software and hardware solutions
  • Works with the engineering team to plan, implement, and test upgrades to the system hardware and software
  • Works 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)
  • Works 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
  • Executes and promotes standard operating procedures and schedules
  • Conducts hardware and software audits of servers, workstations, and mobile devices to ensure compliance with established standards, policies, and configuration guidelines
  • Successful candidate will be able to perform day-to-day maintenance, operations and support for enterprise level operating systems, zero clients and servers.
  • Will direct and perform upgrades to end user and network operations center systems.
  • Monitors system analyzing appliances and takes action as necessary to tune system performance and/or mitigate actual and perceived threats to production systems. 
  • Ensures data integrity and storage to Federal standards.
  • Conducts audits of equipment and production systems and creates appropriate reports.
  • Support VDI/VMware environment , Exchange Servers, Active Directory, and Microsoft Server 2012 and 2016




  • Bachelors and five (5) years or more experience; Masters and three (3) years or more experience; PhD and 0 years related experience (can substitute 4 years experience for education)
  • Active Secret clearance. Must be able to obtain a Top Secret/SCI clearance.
  • 3 years’ experience in Windows server and workstation system administration including Windows Server 2012 and 2016.
  • 3 years’ 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 with the Java runtime environment and the Java programming language and tools on Linux and Windows platforms
  • 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+ CE, MCSA, MCSE, VM Certifications


Desired Qualifications

Company Name:
Security Clearance:
Top Secret / SCI
United States
Not Specified
Job Number:

Send me email alerts for similar jobs