Senior Systems Engineer

ManTech (


  full-time   employee   contract

United States

Become an integral part of a diverse team that leads the world in Mission, Cyber, and Technology Solutions. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

As Senior Systems Engineer you will be responsible for providing Systems engineering support for a large distributed IT infrastructure.

Responsibilities include but are not limited to:

  • Provide Systems Engineering support for a large distributed IT infrastructure.
  • Reporting to the OS Services Lead, you will perform requirements analysis, design, and integration for a complex software application environments and collaboration infrastructures.
  • Engineering Service Now application infrastructure, including application upgrades, review and implementation of security best practices, applications of patches, maintenance of users and groups, and implementation of application changes to improve efficiency.
  • Install, configure and maintain various TCP/IP services on the UNIX/LINUX platform including: DNS, FTP, SSH, NFS, SMTP, HTTPS, SAMBA, etc.
  • Manage, maintain system configuration to include documentation, installation, planning, configuration and evaluation of existing and new hardware.
  • Providing enterprise level disaster recovery solutions.
  • Analyze system faults, troubleshoot, and run diagnostic test on applications to detect problems.
  • Evaluate and install developed software during various phases of testing.
  • Review and prepare documentation for Systems and tests capable of installing and required software.
  • Develop the procedures and be capable of executing existing and developed procedures in order to maintain compliance with JTF-GNO mandates and/or vendor-released patches and upgrades.
  • Participating in a Change Management processes
  • Providing IT Systems Engineering support on Microsoft SQL Server, Service Now, Splunk, Red Hat Enterprise Linux, IIS, Windows OS
  • Working on project teams responsible for engineering and packaging releases to integrate within the customer's production IT environment

Position Requirements:

  • Experience in Systems administration, data analysis, network security, network configuration, and provisioning clients
  • Strong requirement needed in Linux knowledge preferred (RHEL 6, RHEL 7, Server 2008-2012)
  • Knowledge and experience with XFS and logical volumes
  • Shell scripting (Bash, Python, PHP, etc.)
  • Knowledge and experience providing hardware installation, configuration, and testing
  • BA/BS in Computer Science, Information Security, or related field; a Master's degree is preferred
  • 5-7 years of operating system experience with 5-6 years of MS Windows experience
  • Possess strong technical written and verbal communication skills essential
  • Security+CE certification required
  • RHEL Certified Systems Engineer or RHEL Certified System Administrator required
  • Microsoft MCITP, MCSA, MCSE, VMware VCP, and ITIL Foundation certifications are desired
    CISSP desired

Security Requirements:
US Citizenship and Top Secret clearance Required



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