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Tier Three Engineer Jobs in Virginia (NOW HIRING)

GDIT

Tier III Administrator

Chantilly, VA · Hybrid

$114K - $155K/yr

The Tier III support team provides daily coverage, 8:00am - 5:00pm local time, Monday-Friday and ... Provide reach back to Microsoft Office365 Microsoft product groups and developers * Develop ...

Leidos

Tier III O&M Network Engineer

Springfield, VA · On-site

$116K - $210K/yr

The Digital Modernization Sector at Leidos has an opening for a Tier III operations and maintenance (O&M) network engineer to support the customer's various WAN and LAN networks. Will provide ...

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Tier Three Engineer information

What is the difference between Tier Three Engineer vs Tier Two Engineer?

AspectTier Three EngineerTier Two Engineer
CertificationsAdvanced certifications (e.g., Cisco CCNP, CompTIA Network+)Entry to mid-level certifications (e.g., Cisco CCNA, CompTIA A+)
Work EnvironmentComplex troubleshooting, system design, and advanced supportRoutine maintenance, basic troubleshooting, and user support
Employer & Industry UsageIT service providers, large enterprises, network infrastructureSmall to medium businesses, internal IT teams
Search & Comparison IntentUnderstanding advanced support roles, career progressionBasic support roles, entry-level positions

In summary, a Tier Three Engineer handles more complex issues, requires advanced certifications, and works in larger, more technical environments compared to a Tier Two Engineer, who focuses on routine support and basic troubleshooting.

What is a Tier Three Engineer?

A Tier Three Engineer is a senior technical support or network engineer responsible for resolving complex issues that Tier One and Tier Two support cannot handle. They often troubleshoot advanced hardware, software, or network problems, and may work with specialized tools and certifications such as Cisco or Microsoft to ensure system stability and performance.

What are popular job titles related to Tier Three Engineer jobs in Virginia?

For Tier Three Engineer jobs in Virginia, the most frequently searched job titles are:

What job categories do people searching Tier Three Engineer jobs in Virginia look for?

The top searched job categories for Tier Three Engineer jobs in Virginia are:

What cities in Virginia are hiring for Tier Three Engineer jobs?

Cities in Virginia with the most Tier Three Engineer job openings:

Tier Three Engineer jobs near you
Infographic showing various Tier Three Engineer job openings in Virginia as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Tier III Administrator

GDIT

Chantilly, VA • Hybrid

$114K - $155K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago

General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

89th of 226 rated it services

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Secret

Clearance Level Must Be Able to Obtain:

Secret

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Business, Cloud Computing, Operations, Operations Processes, Technical Issues

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

Yes

Job Description:

GDIT is seeking amid-levelTier III Administratorto providesupport toDefense Information Systems Agency (DISA) Global Video Services (GVS) business area to enable the integration of video services into the Department of War.This position is a combination of remote (20%) and onsite (80%) support in Fort Meade, Maryland or Chantilly,VA.The Tier III support team provides daily coverage, 8:00am - 5:00pm local time, Monday-Friday and may be asked to provide emergency/on-call Problem and Break-Fix support after hours.
MEANINGFUL WORK AND PERSONAL IMPACT:
As a Tier III Administrator, you willwork closely with your team and Leadtoprovide vital technical support for the integration of Global Video Services (GVS) such as Pexip into Microsoft 365 Teams. You will troubleshoot,maintainoperational processes, and enhance customer satisfaction by resolving incoming tickets. You will handle incident response, working directly with users and coordinating with other teams to diagnose and resolve technical issues. Your role also encompasses reviewing incident databases,developingandmaintainingroutine operational metrics reporting, and providing detailed helpdesk metrics.
  • Provide technical support via phone and/or email to local and off-site users.
  • Analyze and respond to incidents,determiningthe level of supportrequired.
  • Collaborate with users to diagnose problems, investigate causes, and recommend solutions.
  • Resolve issues within specific SLAs or escalate to theappropriate servicelevel queue for resolution.
  • Review incidents and incident database to ensure efficient problem resolution.
  • Coordinate with internal support staff and/or vendors to resolve problems and follow up with end-users and customers to ensuretimelyresolution.
  • Process tickets received from the Tier II support desk to resolution and escalateappropriate ticketsto Tier IV.
  • Provide end-to-end support for GVS and Secure-Video Teleconferencing (S-VTC) related issues.
  • Develop andmaintaindocumentation for Standard Operating Procedures (SOPs).
  • Support occasional weekend maintenance windows conducted by Tier II personnel.
  • Provide reach back to Microsoft Office365 Microsoft product groups and developers
  • Develop andmaintainweekly and monthly operational metrics.
  • Participate in meetings with operations staff to discuss support-related matters.
WHAT YOU'LL NEED TO SUCCEED (Required):
  • Bachelor's Degree and a minimum of 3 years' experience.
    Minimum of an active Secret security Clearance.
  • CompTIA Security+ or similar for IAT Level II certification.
  • Expertisein developing,maintainingand contributing to technical and process documentation.
  • Experience with M365 Teams.
  • Experience with administering and troubleshooting systems deployed in DoW Cloud Environments (IL4/IL5/IL6), including MS Office 365, and classified and unclassified networks.
  • Ability to thrive in a highly collaborative, fast-paced, growth-focused environment.
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.
The likely salary range for this position is $114,750 - $155,250. 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:

Hybrid

Work Location:

USA VA Chantilly

Additional Work Locations:

USA MD Fort Meade

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 Identity 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

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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About General Dynamics Information Technology

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GDIT is 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. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

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