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Job Title: Help Desk Technician Tier III - TS/SCI with Polygraph
Company Name: General Dynamics IT
Location: Washington, DC
Position Type: Full Time
Post Date: 05/06/2026
Expire Date: 06/06/2026
Job Categories: Engineering, Information Technology
Job Description
Help Desk Technician Tier III - TS/SCI with Polygraph
*Position is currently located in Elkridge, MD and will relocate to another site in the National Capital Region in Summer 2026*

Transform technology into opportunity as a Helpdesk Technician with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDITyoullbe at the forefront of innovation and play a meaningful part in improving how agenciesoperate. At GDIT, people are our differentiator. As a Computer Operator/Analyst you will help ensure today is safe and tomorrow is smarter.

HOW A HELPDESK TECHNICIAN WILL MAKE AN IMPACT:

  • Provides network monitoring during customer core hours with 24/7 on-call support (on-call support includes weekends and holidays).

  • Ensures all problems reported by end users have been adequately documented and controls exist so only authorized staff can archive the end users' entries, as well asdetermineif there are sufficient controls to escalate issues according to priority.

  • Performs user account management per the Account Management Plan.

  • Performs advanced software installations and upgrades to operating systems and layered software packages.

  • Supports developing unique applications training lesson plans, forinitialuser and follow-on educational or refresher training distributing copies (hardcopy/electronic) of training materials and conducting training either on-site or over-the-phone.

  • Provides technicalassistanceand support related to computer systems, hardware, and software; respond to queries, run diagnostic programs, isolate problems, anddetermineand implement solutions.

  • Provides system updates and statuses to Government leadership with PowerPoint slides and Analysis of Alternatives PowerPoint briefings as needed.

  • Operates andmaintainsthe necessary procedures, hardware, network connections, and softwarerequiredtomonitorall systems and trouble tickets from users.

  • Walk customers through problem-solving and follow up with customers to ensure issues are resolved.

  • Collects and evaluates incident reporting practices and operations.

  • Manages IT incidents and problems in general accordance with IT service management principles such as ITIL (IT Infrastructure Library).

  • Knowledge of Network connectivity troubleshooting, cable management, and fiber termination technologies.

  • Will be responsible toassistin managing and modernizing LAN cabling.

  • Maintaining and updating records and tracking databases.

  • Alerting management to recurring problems and patterns of problems.

WHAT YOULL NEED TO SUCCEED:

  • Required Education and Experience: HS/GED +3+ years

  • Certifications: DoD Manual 8570.01-M at the Information Assurance Technical(IAT) Level IIrole.

  • Security Clearance Level: TS/SCI clearance and ability to obtain andmaintaina Polygraph

  • Experience in working with a ticketing system, such as Remedy, SCSM, ServiceNow

  • Strong written and verbal communication skills along with a strong customer service focus and ability to work well as part of a team

  • Ability to resolve technical and other types of issues with little oversight

  • Location: On Customer Site



GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and youll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#GDITCareers

#WeAreGDIT

#MD_Alumni2026

#JET

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Contact Information
Company Name: General Dynamics IT
Website:https://www.gdit.com/careers/job/20745b613/help-desk-technician-tier-iii-tssci-with-polygraph/?source=AutoAppend_HBCU
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