Top 5 Helpdesk technician iii Jobs in Reston Va

Helpdesk Technician - Tier III
CELESTIAL INNOVATIONS GROUP LLC —Washington, DC
- $90,000 a year
- Full-time
- Hybrid work
- Microsoft Outlook
- 5 years
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Deployment Support Technician III, Cloud Supply Chain Services
Google —Reston, VA
- $95,000 - $135,000 a year
- Weekends as needed
- Mid-level
- Bachelor's degree
- Travel
4d
Help Desk Technician - Tier 3
Solvere One/HouseCall —Dulles, VA
- $70,000 - $90,000 a year
- Full-time
- Windows
- Mentoring
- US work authorization
- Dental insurance
- 401(k)
Quick Apply
End User Support Technician Tier 3
designDATA —Washington, DC
- Full-time
- Google Workspace
- Mid-level
- Office
10d
Help Desk Technician Tier III - TS/SCI with Polygraph
General Dynamics Information Technology —Washington, DC
- $30.65 - $41.47 an hour
- Weekends as needed
- Mid-level
- 3 years
- High school diploma or GED
- Paid time off
- 401(k) matching

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Deployment Support Technician III, Cloud Supply Chain Services
Google —Reston, VA
Experience with performing component-level repairs and troubleshooting on IT equipment or in a similar role (e.g. systems administration, network deployment…
$95,000 - $135,000 a year
4d
Sr. Reliability Product Manager-Tech, Infrastructure Reliability & Quality
Amazon Data Services, Inc. —Herndon, VA
As a Senior Reliability Product Manager - Tech, you will focus on developing internal tools and mechanisms to improve product reliability, quality, and supplier…
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Deployment Support Technician III, Cloud Supply Chain Services
Google —New Albany, OH
Experience with performing component-level repairs and troubleshooting on IT equipment or in a similar role (e.g. systems administration, network deployment…
$95,000 - $135,000 a year
4d

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Helpdesk Technician - Tier III

CELESTIAL INNOVATIONS GROUP LLC
Washington, DC

Quick Apply

Job Details

Full-time
$90,000 a year

Benefits

Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance

Qualifications

Microsoft Outlook
Vulnerability scanning implementation
IT user and group management
GPO
Hardware maintenance
Configuration management
Operating system updates
Microsoft Exchange
Printer (troubleshooting support)
Microsoft System Center
Patch management
Email configuration (technical support)
Productivity software support
Desktop (troubleshooting support)
Microsoft Teams
Technical customer support for office equipment
Vulnerability management
Desktop administration
Automation tools
PowerShell
Security Testing
Shell Scripting
Vuls

Full Job Description

Benefits:

401(k)
Dental insurance
Health insurance
Paid time off
Training & development
Vision insurance

Location: Washington, DC
Clearance: Public Trust
Employment Type: Full-Time

Must be located in the DC Metro Area as this role requires onsite and remote support.

Company Description

Celestial Innovations Group (CIG) is a fast-moving, mission driven technology firm working at the intersection of innovation, national security, and digital transformation. We support forward-thinking government agencies with cutting edge capabilities in cybersecurity, cloud, AI/ML, and IT modernization. At CIG, we don’t just check boxes. We solve real-world problems that matter.

We’re building a culture where smart, curious, and driven people thrive. This is a place where your voice matters, your work has impact, and your growth is part of the mission. If you're looking for a team that values trust, clarity, and the power of innovation, this is where you want to be.

Overview

The Tier III Systems Administrator provides expert-level technical support, system administration, and problem resolution for enterprise IT environments supporting government missions. This role handles high-complexity issues, system maintenance, and infrastructure-level support.

Key Responsibilities

Serve as the Tier III escalation point for issues elevated from Tier II Help Desk personnel.
Provide Tier III technical support to PC technicians, including troubleshooting, repairing, installing, and configuring printers, scanners, cameras, and all workstation-related hardware.
Maintain and administer enterprise print servers, including configuration changes required during printer refreshes or infrastructure updates.
Remotely deploy monthly system patches and security vulnerability updates to workstations using government-provided tools, including Microsoft SCCM and Windows SUS Services.
Provide intermediate to advanced troubleshooting support across Microsoft Office products, Active Directory, Exchange, patch management tools, and workstation environments.
Develop, maintain, test, and update approved workstation images for all authorized USCP workstation configurations across the enterprise, ensuring monthly updates and compliance.
Administer Windows Server environments, Active Directory, DNS, DHCP, and Group Policies, ensuring stability, security, and performance.
Support configuration, monitoring, and optimization of infrastructure components across servers, workstations, and enterprise systems.
Conduct vulnerability remediation efforts, including scanning, analysis, remediation tracking, and reporting in coordination with cybersecurity teams.
Manage and maintain service accounts, system utilities, and administrative tools for servers and workstation environments.
Develop, update, and maintain PowerShell scripts for automation, configuration management, and administrative tasks.
Troubleshoot escalated multi-system issues and perform root-cause analysis, recommending long-term solutions to prevent recurrence.
Maintain documentation, configuration baselines, deployment procedures, and operational processes.
Coordinate the development, testing, and on-schedule releases of customized images in collaboration with contractors and technical teams.
Implement system improvements, migrations, and upgrades while ensuring alignment with federal security requirements, STIGs, and configuration standards.

Required Qualifications

Must possess an industry-recognized certification such as CompTIA A+, MCSE, or equivalent.
Minimum 5 years of experience administering Windows 10/11 in enterprise environments.
Minimum 5 years of experience with SCCM (intermediate level or above) for managing servers, deploying patches, and maintaining workstation environments.
Minimum 5 years of experience developing, testing, and deploying workstation images for government or private-sector organizations.
Expert-level experience with Microsoft Windows 10/11, Office 365 (Email, Teams, OneDrive), and Exchange/Outlook support.
Expert-level experience creating, maintaining, and updating PowerShell scripts for automation and administrative tasks.
Experience troubleshooting and maintaining print servers, enterprise printing systems, and printer configurations.
Ability to diagnose and resolve complex Tier III issues including patch management, security vulnerabilities, and multi-system failures.
Ability to provide clients with security vulnerability remediation guidance, tracking, and reporting, including collaboration with other IT teams.
Experience maintaining and managing service accounts, system utilities, and server-based software components.
Experience conducting ad-hoc vulnerability scans and executing remediation activities across workstations.
Strong understanding of Active Directory, GPO management, security hardening, and enterprise infrastructure services.

Flexible work from home options available.

Quick Apply

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helpdesk technician iii jobs in reston va

Helpdesk Technician - Tier III

Deployment Support Technician III, Cloud Supply Chain Services

Help Desk Technician - Tier 3

End User Support Technician Tier 3

Help Desk Technician Tier III - TS/SCI with Polygraph

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