Systems Engineer – Windows and Linux - Military veterans preferred

ManTech (


  full-time   employee   contract

United States

ManTech is seeking a motivated, career and customer-oriented Systems Engineer to join our team in the Reston, VA area to provide unparalleled support to our customer and to begin an exciting and rewarding career within ManTech.

The Systems Engineer provides support to the multiple federal agencies, DHS, and ManTech, focused on providing subject matter expertise to develop and architect the next generation of cybersecurity in support of DHS’ Continuous Diagnostics and Mitigation (CDM) Program.

Job Responsibilities

  • Responsible for administering RedHat Enterprise Linux servers and Windows 2012/2016 servers in a Shared Services Platform, including
    • Installation and configuration of software
    • Network configuration on the servers
    • Security patching using SCCM and RedHat Satellite
    • Performing software upgrades
    • Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.
    • Configure CPU, memory, and disk partitions as required.
    • Set up accounts using CyberArk
    • Monitor performance and maintain systems according to security requirements
    • Troubleshoot issues and outages
    • Ensure security through access controls and appropriate permissions
    • Develop/update technical documentation, manuals and IT policies
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs, such as backups.
  • Perform daily backup operations using CommVault to ensure all required file systems and system data are successfully backed up to the backup site.
  • Perform periodic performance reporting to support capacity planning
  • Create virtual machines in the Systems Integration Testing (SIT) environment and load appropriate O/S images for the Engineering Team
  • Follow DISA Security Technical Implementation Guides (STIGs) to build configuration settings on the Production and SIT servers
  • Provide briefings to DHS and Agency customers regarding architectural best practices on an as-needed basis

Job Qualifications

  • 5-8 years of experience in Information Technology
  • Bachelor degree in Computer Sciences, Technology, degree or relevant experience
  • 4-6 years of demonstrated experience administering Microsoft Operating Systems 2012 R2, 2016, RedHat Enterprise Linux and Microsoft Exchange Server
  • Experience with patching using SCCM and RedHat Satellite
  • Knowledge and experience in use of CyberArk to do privileged user access management
  • Experience with CommVault backup is a plus
  • Knowledge of Cisco switching and routing
  • Experience with Infoblox DNS Proxy and Bluecoat Web Proxy is a plus
  • Experience with VMware 5.5
  • Experience with iSCSI SANS
  • Working knowledge of databases and SQL
  • Strong analytical skills to enable effective troubleshooting
  • Experience with scripting on Linux using languages, such as Python and Bourne Shell scripting
  • Experience with FISMA, NIST, security standards
  • Knowledge of integrated security system architecture
  • In-depth experience with general IT security concepts, network security and monitoring practices/methodologies
  • Experience presenting material to senior management level and proficiency in the use of Microsoft Office applications
  • Knowledge of CDM goals and objectives

Clearance Requirements:

Must be a US Citizen with the ability to obtain and maintain a DHS Suitability/Entry on Duty (EOD)