Cyber Systems Engineer

Job Locations US-AL-Huntsville
Business Unit
Secret Preferred


I3 is seeking a Cyber Systems Engineer capable of designing and maintaining DoD computer systems and networks capable of accreditation within the NIST Risk Management Framework (RMF). Candidate will be responsible for maintaining a DoD network that is a multi-vendor environment supporting PEO Aviation and the CCDC AvMC S3I Directorate. Candidate will be responsible for working closely with end users to properly design the network/system for very specific software functionality needed. Candidate will maintain system security status and ensures compliance to security policies, procedures and standards with regards to the NIST Risk Management Framework (RMF). Common tools such as Host Based Security System (HBSS), and DISA Assured Compliance Assessment Solution (ACAS) will also be used.


  • Perform Army RMF assessments for software applications, Army Information Systems and Closed Restricted Networks.
  • Provides input and expertise to implement and maintain DoD network multi-vendor environments (Cisco, Juniper, Brocade).
  • Designs and recommends security policies and procedures.
  • Manages information systems and assess-only packages using eMASS.
  • Develops policy governing the organizations information systems.
  • Manages the functionality of servers and computers running Windows operating systems such as (Windows 10, Windows Server 2012/2016/2019) within an Active Directory environment.
  • Manages the functionality of servers and computers running a Linux operating system such as CentOS.
  • Capable of interfacing with multiple teams’ senior leadership
  • Monitors, evaluates, and maintains networks/systems according to DoD and industry security best practices.
  • Reviews network/system configurations to ensure compliance with security requirements.
  • Provide network/system vulnerability scanning via HBSS and ACAS.
  • Provides reports to internal and external customers in response to queries and requests.
  • Consults on tasks, provides leadership and guidance for others.
  • Gives recommendations for product upgrades, patches, and general security measures.


  • Ability to obtain and maintain an Active Secret Security Clearance.
  • Master’s degree and 10 years of relevant experience. Additional years of experience may be substituted for degree.
  • Experience working with system/network vulnerability scanning tools required.
  • Experience designing, implementing, and maintain DoD network in a multi-vendor environment.
  • Must possess an active CompTIA Security+ or CISSP certification or be able to obtain either certification within thirty (30) days of employment.
  • Ability to create, edit, and maintain Microsoft Active Directory groups, GPOs, user accounts, and other objects.
  • Have a good understanding of group policies, local policies, and applications.
  • Linux OS experience


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