Help Desk Technician Tier III - TS/SCI with Polygraph

General Dynamics Information Technology; Washington (Washington County); On-site; USD 43,000 - 58,000; Full time

Job summary

General Dynamics Information Technology is seeking a Helpdesk Technician on-site in Washington, DC. You will monitor networks, manage user accounts, install software, and provide hardware/software support to end users, including training and escalation as needed.

Candidates must hold TS/SCI with Polygraph, DoD 8570.01-M IAT Level II, and have 3+ years of related experience. Excellent communication and teamwork are required for ITIL-based incident management.

Qualifications

• Required Education and Experience: HS/GED + 3+ years.
• Certifications: DoD 8570.01-M at the IAT Level II role.
• Security Clearance: Active TS/SCI with Polygraph.
• Experience with ticketing systems such as Remedy, SCSM, ServiceNow.
• Strong written and verbal communication with customer-service focus.

Responsibilities

• Provides network monitoring during core hours with 24/7 on-call support.
• Documents end-user problems and ensures proper escalation per priority.
• Performs user account management per the plan.
• Performs advanced software installations and OS/ software upgrades.
• Develops and delivers basic training to end users on-site or remotely.
• Offers technical assistance for computer systems, hardware and software.
• Provides status reports and updates to Government leadership as needed.
• Maintains procedures, hardware, network connections and trouble tickets.
• Guides customers through problem-solving and follows up for resolution.
• Collects incident data and evaluates reporting practices.
• Manages IT incidents following ITIL principles.
• Knowledge of network connectivity troubleshooting and fiber termination.
• Assists in modernizing LAN cabling and maintenance.
• Maintains records and tracking databases; alerts on recurring issues.

Skills

End Users

Hardware Troubleshooting

Remote Support

Education

HS/GED + 3+ years

Tools

Remedy

SCSM

ServiceNow

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Technical Support Services

Job Qualifications:

Skills:

End Users, Hardware Troubleshooting, Remote Support

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

Yes

Job Description:

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 GDITyou’llbe 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 escalation 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 YOU’LL NEED TO SUCCEED:

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

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

• Security Clearance Level: Active TS/SCI clearance with 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 you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#GDITCareers

#WeAreGDIT

#MD_Alumni2026

#VA_2026Alumni

#JET

The likely hourly rate for this position is between $30.65 - $41.47. 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:

None

Telecommuting Options:

Onsite

Work Location:

USA DC Washington

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.

Our Identify Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection , processing, and use of your biometric data for identity verification and security purposes.

About our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans