Demo

Systems Engineer SME (TS/SCI with Poly Required)

GCI
Herndon, VA Full Time
POSTED ON 5/9/2026
AVAILABLE BEFORE 7/8/2026

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 SME Systems Engineer,  a typical day will include the following duties/skills:

    REQUIRED SKILLS

    • 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 

    Salary : $79 - $132

    If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
    Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

    What is the career path for a Systems Engineer SME (TS/SCI with Poly Required)?

    Sign up to receive alerts about other jobs on the Systems Engineer SME (TS/SCI with Poly Required) career path by checking the boxes next to the positions that interest you.
    Income Estimation: 
    $90,032 - $105,965
    Income Estimation: 
    $111,859 - $131,446
    Income Estimation: 
    $110,457 - $133,106
    Income Estimation: 
    $105,809 - $128,724
    Income Estimation: 
    $122,763 - $145,698
    Income Estimation: 
    $91,370 - $117,201
    Income Estimation: 
    $115,390 - $147,559
    Income Estimation: 
    $106,780 - $140,358
    Income Estimation: 
    $104,963 - $131,876
    Employees: Get a Salary Increase
    View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

    Job openings at GCI

    • GCI Chantilly, VA
    • GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effective... more
    • 5 Days Ago

    • GCI Tysons Corner, VA
    • Lead mission‑critical IT and infrastructure projects where your expertise directly shapes customer success. Partner with high‑performing engineering and op... more
    • 5 Days Ago

    • GCI Tysons Corner, VA
    • GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effective... more
    • 5 Days Ago

    • GCI Herndon, VA
    • GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effective... more
    • 5 Days Ago


    Not the job you're looking for? Here are some other Systems Engineer SME (TS/SCI with Poly Required) jobs in the Herndon, VA area that may be a better fit.

    • BAE Systems Sterling, VA
    • Job Description We are looking for experienced Systems Engineer to join our technology-based program supporting a key government customer. This program wil... more
    • 27 Days Ago

    • BAE Systems Herndon, VA
    • Job Description BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence ... more
    • 2 Months Ago

    AI Assistant is available now!

    Feel free to start your new journey!