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Network Engineer SME (TS/SCI with Poly Required)

GCI Incorporated
Full Timemid
Dulles, Virginia, USPosted March 19, 2026

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Job Description

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a Network Engineer, a typical day will include the following duties:

Job Description

  • The Candidate shall operate customer brand crypto devices.
  • The Candidate shall provide SME-level support for customer brand crypto devices, leveraging their expertise to ensure a seamless transition to legacy and new network architectures and the optimal operation of the devices.
  • The Candidate shall perform hands-on engineering to develop technical solutions that facilitate the prompt resolution of any technical challenges during the installation of new and legacy devices.
  • The Candidate shall provide strategic direction and guidance for the implementation, operation, and maintenance of customer brand crypto devices.
  • The Candidate shall provide invaluable insights and best practices critical to success, based on extensive experience specifically related to customer products.
  • The Candidate shall identify and mitigate risks, enhance operational efficiency, and support the longevity of the investment in customer crypto solutions for the Customer network ecosystem.

Required Skills And Demonstrated Experience

  • Demonstrated experience with in-depth knowledge of customer crypto devices such as the E-100, FLEX, Micro, Nano, TL-10G, TL-1g, and next generation crypto devices, including their configuration, operation, and maintenance.
  • Demonstrated experience designing, implementing, and troubleshooting complex cryptographic systems.
  • Demonstrated experience with technical knowledge of cryptographic principles, protocols, and technologies, including those related to customer crypto devices.
  • Demonstrated experience troubleshooting complex technical issues related to customer crypto devices and developing effective solutions.
  • Demonstrated experience with cryptographic protocols and standards, such as those related to encryption, decryption, and key management.
  • Demonstrated experience providing technical guidance and support to stakeholders, including written training documentation.
  • Demonstrated experience working collaboratively with cross-functional teams, including engineers, technicians, and other stakeholders, to achieve project goals and objectives.
  • Demonstrated experience with GEM crypto manager(s) software.
  • Demonstrated experience providing technical guidance and support to stakeholders, including actively training personnel.

Desired Skills

  • Demonstrated experience with cloud computing platforms such as AWS, Azure, and Google Cloud.
  • Demonstrated experience and knowledge of DevOps practices and tools.
  • Demonstrated experience with technical knowledge of cryptographic principles, protocols, and technologies, including those related to customer crypto devices.
  • Demonstrated experience and familiarity with customer networks and devices, including both new and legacy systems, to ensure seamless integration and support.
  • Demonstrated experience with troubleshooting and problem-solving skills to troubleshoot complex technical issues related to customer crypto devices and develop effective solutions.
  • Demonstrated experience with agile project management methodologies to work effectively in a team environment.
  • Demonstrated experience with effective communication skills, both written and verbal, to effectively convey complex technical information to various stakeholders, including technical and non-technical personnel.
  • Demonstrated experience and ability to work in a matrix environment. This includes being able to navigate multiple stakeholders, priorities, and timelines.

A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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