Sr Systems Administrator-Onsite at either Reston or Herndon, VA Office


(Onsite at either the Reston or Herndon, VA Office)


NexGen is currently seeking a Sr Systems Administrator to join our team working on a federal government project. This individual will have knowledge in providing system administration support across all supported systems and environments including servers, databases, network devices, and storage components. The supported environments include production, disaster recovery, test, and development.  This individual will be required to work closely with members of the NexGen and client teams, including but not limited to, domain experts and developers.    


Essential Duties and Responsibilities include the following:  

  • Support may include (but not limited to): backup and recovery of Data Operations Center (DOC) systems, patching of systems, providing Tier II/III support to lower tiers, performance tuning, hardware and software upgrades, operational configurations, resource optimization, etc.

  • Create and implement scripts in an enterprise environment to include scription for:

    • Hyper-V administration

    • Failover cluster administration

    • Windows Server Administration

    • Unix/Linux/Ubuntu administration 

  • Manage virtual machines to include:

    • Creating, configuring, and maintaining virtual machines in a failover cluster environment.

    • Creating, configuring, and maintaining virtual machines in a failover cluster environment.

    • Automating where possible the creation and management of virtual machines.

    • Plan, configure, and maintain hyper-converge infrastructure according to manufacture and industry best practices.

    • Create automation for repeating system administration tasks.

  • Create and maintain well written and easy-to-understand documentation for new and existing system processes and configurations with minimal oversight.

  • Plan, configure, and maintain Dell SAN arrays in accordance with vendor best practices.

  • Install, configure, and maintain Windows server, hardware, operating systems, and features in accordance with vendor best practices.

  • Install, configure, and maintain Linux and Oracle hardware, operating systems, and features in accordance with vendor best practices.

  • Create technical documentation to include Service Level Agreements, As-Is, To-Be, and Continuity of Operations/Disaster Recovery with minimal oversight.

  • Recommend and provide technical expertise and assistance with planning, configuring, and implementing new technologies related to storage, compute, and backup technologies.

  • Configure and maintain backup technologies to include backup software, reporting, LTO tape libraries, backup to disks, and backup to cloud integration.

  • Provide in-depth knowledge with cloud technology, design, implementation, and remote management.

  • Assist with the implementation of the necessary defined security controls as they relate to the infrastructure in accordance with the government Cyber Security Assessment and Management (CSAM) systems.

  • Assess outcomes of vulnerability scanning to include the development and implementation of corrective actions to remediate vulnerabilities.

  • Perform adding, modifying, and deleting access rights granted to system and application users of the information system. This includes user account management and periodic administrative tasks.

  • Assess the new system or application requirements for security implications.

  • Perform patch management and vulnerability for physical and virtual machines and firmware updates for physical servers.

  • Design, configure, implement, and maintain failover SQL cluster hardware and software configurations per manufacturer and industry best practices.

  • Perform routine backups, routing storage management, patch management and vulnerability mitigation of failover SQL cluster nodes and SQL software.

  • Perform instance creation/modifications.

  • Perform user management (create/delete/ modify/quotas).

  • Other duties as assigned. 


Technical Skills/Experience:  

  • 4+ years of experience working as a Systems Administrator or related technical experience in supporting an Information Technology environment at the server/data center level. 

  • Experience in systems administration in configuring and tuning of systems including: Windows, Oracle, SQL, Microsoft Hyper-V, PowerShell scripting and Linux servers for the government data centers.

  • Extensive knowledge and expertise with enterprise SQL and Oracle database systems for all data centers.

  • Experience in industry standard data center physical security tools and applications. 

  • Knowledge of DCIM and tools used.

  • Knowledge of Microsoft Products used to manage an enterprise operation.

  • Knowledge of VMWare.

  • Ability to support Microsoft and Linux Operating systems.

  • Basic knowledge of Visual Basic, .NET, C#, PowerShell, and other programming/scripting languages.

  • Ability to develop project management documentation. 

  • Ability to work without guidance, the ability to resolve highly complex problems and the ability to lead projects.

  • Knowledge of Agile methodologies and experience working in an Agile development environment. 


Additional Skills:  

  • Excellent communication skills and the ability to work collaboratively with cross-functional teams. 

  • Ability to pass background screening prior to employment required. 

  • Willingness to travel to off-site locations as required (Reston or Herndon, VA offices).

  • US Citizenship, or legal permanent residence, or US work authorization with minimum 3 years of continuous US presence is required due to federal contract requirements.  



  • Associate’s Degree, Certificate from technical training institute or combination of education and experience.


NexGen Technologies, Inc., is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.       


Compensation: $80,000-$100,000 per year (Dependent on Experience) 


(Last revision: 2024-04-26)