Customer Service Support Specialist - TS/SCI with Polygraph

General Dynamics Information Technology, Inc.

$107K — $143K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Engineering, or related field, or equivalent experience
  • 5+ years of related experience
  • Strong understanding of LAN/WAN architectures
  • Hands-on experience with Cisco VPN and comparable technologies
  • Demonstrated excellence in customer service and end-user support

Responsibilities

  • Provide technical support for IT infrastructure and operations
  • Diagnose and resolve network issues effectively
  • Support and maintain Windows and Linux operating systems
  • Deploy, configure, and validate hardware and software components
  • Ensure high-level security practices are adhered to

Benefits

  • 401K plan with company match
  • Comprehensive health and wellness packages
  • Professional growth opportunities, including paid education
  • Cutting-edge technology access for learning
  • Flexible work weeks, including paid time off options
Full Job Description
Type of Requisition:
Regular

Clearance Level Must Currently Possess:
Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:
Top Secret SCI + Polygraph

Public Trust/Other Required:
None

Job Family:
IT Infrastructure and Operations

Job Qualifications:

Skills:
Cisco VPN, Linux, Local Area Network (LAN), Microsoft Windows, Wide Area Network (WAN)
Certifications:
None
Experience:
5 + years of related experience
US Citizenship Required:
Yes

Job Description:

WHAT YOU'LL NEED TO SUCCEED:
  • Education: Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
  • Required Experience: 5+ years of related
  • Required Skills & Experience:
  • Strong understanding of LAN/WAN architectures and proven ability to diagnose and resolve network issues.
  • Hands-on experience with VPN technologies, including Cisco VPN and comparable client solutions.
  • Demonstrated excellence in customer service and end-user support.
  • Experience delivering technical support across diverse systems and environments.
  • System administration experience with both Windows and Linux operating systems.
  • Proficiency in troubleshooting hardware, telephony, and video conferencing equipment.
  • Experience deploying, configuring, and validating hardware and software components.
  • Skilled in using enterprise ticketing and incident-management systems.
  • Practical experience supporting and maintaining Windows OS environments.
  • Practical experience supporting and maintaining Linux OS environments.
  • Security Clearance Level: TS/SCI with Polygraph
  • Desired Skills and Experience
  • Demonstrated adherence to exceptional security practices, including handling Restricted Handling (RH) data.
  • Experience supporting specialized systems such as FSA3 and FiCE.
  • Certification as a Data Transfer Officer.
  • Certification as a Krypto Handling Technician.
  • Training or experience supporting special "Back Room" operational requirements.
  • Advanced training in FSA3 and FiCE architectures, including associated troubleshooting procedures.
  • Location: Chantilly, VA - On Customer Site
  • U.S. Citizenship Required


  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays


#OpportunityOwned
#GDITCareers
#WeAreGDIT
#JET
#GDITEnhanced2026
#VA_2026Alumni

The likely salary range for this position is $107,744 - $143,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:
40

Travel Required:
Less than 10%

Telecommuting Options:
Onsite

Work Location:
USA VA Chantilly

Additional Work Locations:

Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

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