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Tier Three Engineer Jobs in Virginia (NOW HIRING)

CSOC Tier 3 Cyber Engineer

Springfield, VA

$147K - $199K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

CSOC Tier 3 services includes malware and implant analysis, and forensic artifact handling and ... Performs digital media analysis and malware reverse engineering on host, server, and network data ...

Tier III Network Engineer - Expert (Government)

Mclean, VA · On-site

$89K - $198K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

AT&T has an opening for a Tier 3 Network Engineer to support the 24x7 Network Operations Center in providing Tier 3 network service and superior troubleshooting expertise. Job Duties/Responsibilities:

Tier III Network Engineer - Senior (Government)

Mclean, VA · On-site

$89K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

AT&T has an opening for a Tier 3 Network Engineer to support the 24x7 Network Operations Center in providing Tier 3 network service and superior troubleshooting expertise. Job Duties/Responsibilities:

Tier 3 Audio Visual Technician

Chantilly, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Coordinate with network, cybersecurity, facilities, and engineering teams to resolve integrated ... The Tier 3 Audio Visual (AV) Technician serves as a senior technical resource responsible for the ...

Tier 3 Audio Visual Technician

Springfield, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Coordinate with network, cybersecurity, facilities, and engineering teams to resolve integrated ... The Tier 3 Audio Visual (AV) Technician serves as a senior technical resource responsible for the ...

Network Operations Engineer Tier 3 SR

Vienna, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated per DFARS ...

Network Operations Engineer Tier 3 SR

Vienna, VA · On-site

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated per DFARS ...

Network Operations Engineer Tier 3 SR

Vienna, VA

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated ...

Network Operations Engineer Tier 3 SR

Vienna, VA

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated ...

Tier III Network Engineer - Senior (Government)

Mclean, VA · On-site

$89K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Preferred network certifications Cisco CCNA, CCNP, CCIE, Juniper JNCIA, JNCIS, or JNCIE, ITIL Foundations, and/or CISSP Our Tier 3 Network Engineer - Senior's earn between $89,200 - $175,358. Not to ...

Help Desk Technician - Tier 3

Sterling, VA · On-site

$70K - $90K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Opening Position Summary We are seeking an Escalations Engineer with MSP experience to serve as a ... Act as the Tier 3 escalation point for the service desk * Support cloud, hybrid, and on-prem ...

Showing results 21-40

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 professional responsible for resolving complex issues that cannot be handled by lower support levels. They often have advanced knowledge of systems, networks, or software, and may work with specialized tools or certifications to diagnose and fix critical problems. This role typically requires strong problem-solving skills and experience in technical environments.

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:

Infographic showing various Tier Three Engineer job openings in Virginia as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, and 3% Contract. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution.

CSOC Tier 3 Cyber Engineer

GDIT

Springfield, VA

$147K - $199K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 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

86th of 223 rated it services


Job description

Type of Requisition:

Pipeline

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:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Cyber Defense, Malware, Malware Analysis, Network Analysis, Security Incident Response

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

Candidate will provide Expert CSOC Tier 3 services, which is 24x7x365 coordination, execution, and implementation of all actions required for the containment, eradication, and recovery measures for events and incidents. CSOC Tier 3 services includes malware and implant analysis, and forensic artifact handling and analysis. All Contractor personnel performing CSOC Tier 3 services shall have or obtain, within six months of start, a certification that is compliant with DoDD 8140.01 and DoD 8570.01-M IAT Level II and CSSP Incident Responder.

Job Duties:

  • Coordinate and implement tasks, performing analysis, and building/documenting response activities required during cyber security incident response, to include but not limited to actions such as implementing containment measures, IP blocks, domain blocks, and disabling user accounts on direction of the Government.
  • Coordinates with Security and Installations Directorate (SI) Office of Counterintelligence (SIC), Insider Threat Office (SIII), in addition to other law enforcement and counter intelligence personnel as required to perform advanced investigation and triage of incidents;
  • Collaborates with appropriate authorities in the production of security incident reports;
  • Categorizes incidents and events;
  • Coordinates with other contracts, organizations, activities, and other services as appropriate to ensure incidents are properly reported, contained, and eradicated;
  • Coordinates with other contracts, organizations, activities, and other services as appropriate to de-conflict blue / red team activity with open incidents/events;
  • and analyze data, and to respond to incidents/events;
  • Performs digital media analysis on host, server, and network data as required to analyze and respond to an incident, to include but not limited to volatile and non-volatile memory and/or system artifact collection and analysis;
  • Develops and identifies indicators of compromise to send to Cybersecurity stakeholders and other Contract Services;
  • Performs malware analysis and signature development;
  • Coordinate with CSOC Tier 1 and 2 services to remediate all discrepancies and provide recommendations to prevent reoccurrence.

Job Requirements:

  • Bachelors Degree and 8 years' experience in Cyber Security (CSOS)
  • Active TS/SCI, Polygraph
  • DoDD 8140.01 and DoD 8570.01-M IAT Level II and CSSP Incident Responder. Provides input to and coordinates with all applicable stakeholders to develop and deliver the daily CSOC Significant Activity Report, the daily CSOC Operations Update, and the Weekly CSOC Status Report;
  • Serve as C-IRT members as required and serve under the direct control of, and take direction from, the Government C-IRT Commander;
  • Develop and coordinate courses of action with various Government and contract stakeholders, and when properly authorized by the Government, execute Defensive Cyberspace Operations-Internal Defensive Measures on behalf of the customers' networks and systems;
  • Performs digital media analysis and malware reverse engineering on host, server, and network data as required to analyze and respond to an incident, to include but not limited to volatile and non-volatile memory and/or system artifact collection and analysis.
  • When properly authorized by the Government, execute custom scripts, tools, and capabilities to collect and analyze data, and to respond to incidents/events;
  • Develops, documents, and provides to the Government incident investigation reports which include sufficient information to document the entire lifecycle of the incident and the response, including but not limited to adversary and friendly forces activity, host and network analysis, timelines, and recommendations for corrective actions, recommendations for new Tactics, Techniques, and Procedures (TTP) and other recommendations as appropriate, within 30 days of C-IRT stand-down;
  • Conduct Quality Control reviews of a percentage closed CSOC Tier 2 tickets each week to ensure proper analysis, categorization, documentation, and notification

Preferred Qualifications:

  • Masters degree
  • IAT III
The likely salary range for this position is $147,292 - $199,278. 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 VA Springfield

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 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