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GD

Cybersecurity Engineer – Network Administration

General Dynamics Electric Boat
Posted onFeb 14, 2026
LocationGroton, Connecticut, United States (On-site)
Employment typeFull-time

Overview

Department 425, Electrical Systems Software Engineering, Cybersecurity and Network Administration and Support group, is seeking a Systems Network Administrator Engineer. The primary responsibility of this position is to develop, enforce, and manage both unclassified and classified information systems and collaborate with systems and hardware engineers to resolve system defects.

Our team members exemplify Electric Boat’s core values:

  • Value each other
  • Behave with integrity and purpose
  • Commit to excellence

Specific responsibilities within this role include:

  • Design, implementation and maintenance of sensitive unclassified and classified computing systems in accordance with appropriate Naval Reactors and DCSA security controls
  • Support of custom software applications for fleet prototypic maintenance and troubleshooting laptops for instrumentation and control equipment
  • Support remote and on-site troubleshooting of software and firmware of control systems and networking interfaces

Qualifications

Required:

  • B.S. in Computer Science, Computer Engineering, Electrical Engineering, Information technology, or other Cyber Security
  • 1-5 years of post graduate engineering experience

Preferred:

  • Understanding of DoD National Industrial Security Program Operating Manual, Industrial Security Field Operation Process Manual, DoE security requirements and NIST security controls is desired.
  • Familiarity with implementing STIG updates and reviewing computer logs is preferred.

Skills

  • Be able to configure and manage Linux and Windows operating systems and install/load operating systems software, troubleshoot, maintain integrity, and configures network components along with implementing operating systems enhancements to improve reliability and performance.
  • Provide technical support to end-user issues regarding desktop problems and/or server administration
  • In-depth knowledge of computer network infrastructures and Windows and Linux operating systems is required.
  • Knowledge of virtualization platforms, such as VMware vSphere, Red Hat Virtualization, ESXi
  • Understanding in system, network, and OS hardening techniques. (e.g., remove unnecessary services, password policies, network segmentation, enable logging, least privilege, etc.)
  • Understanding of network security architecture concepts and network design processes including topology, protocols, components, and principles (e.g., application of defense-in-depth)
  • Provide for critical incident response & problem management including root cause of system problems, such as configuration issues resulting in operational performance degradation or system outages, promoting the Government with information and advice on the necessary correction actions and/or interim workarounds.
  • Provide onsite architectural and design, support, development, and administration.

General Dynamics Electric Boat

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General Dynamics Electric Boat is the world's first and finest submarine builder, established in 1899, specializing in the design, construction and lifecycle support of submarines for the U.S. Navy.

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