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L3 Technology Jobs in Virginia (NOW HIRING)

InterScripts, Inc

Epic Beacon Analyst

Chantilly, VA · On-site

L2 & L3 Support * Provide end-user support and participate in on-call activities when required. * Work effectively with cross-functional teams to deliver high-quality healthcare IT solutions.

VTG

Staff I/Staff II Linux Network Engineer

Manassas, VA · On-site

$100K - $140K/yr

The selected candidate will work with network technologies to further advance the capabilities of ... Demonstrated expertise designing, implementing, and troubleshooting LAN and VLAN networks at L2/L3 ...

Ask IT Consulting

Sr. Database Administrator

Mclean, VA

$50.25 - $69.25/hr

CMMI L3 or higher experience is a plus * Working with Federal Agencies (FAA, DoD, etc.) Additional Information Thanks & Regards Yavin Jindal Sr. Talent & Client Acquisition Specialist AP Innovative ...

Info Gain Consulting

Senior BI Analyst

Alexandria, VA · On-site

Info Gain Consulting is a CMMI-DEV L3 appraised, and SBA Certified 8(a) Small business. We deliver program management, financial management, performance improvement, and technology enablement ...

Ask IT Consulting

Sr. Database Administrator

Mclean, VA · On-site

$50.25 - $69.25/hr

CMMI L3 or higher experience is a plus * Working with Federal Agencies (FAA, DoD, etc.) Qualifications Additional Information Thanks & Regards Yavin Jindal Sr. Talent & Client Acquisition Specialist ...

L3HHCM20

Sr Associate, Program Finance 1

Lynchburg, VA · On-site

$57K - $107K/yr

Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off L3 Harris Technologies, Inc. is seeking a Senior Associate, Program Finance team member who will be ...

Info Gain Consulting

Data Engineer

Alexandria, VA · On-site

$122K - $147K/yr

Who We Are Info Gain Consulting is a CMMI-DEV L3 appraised, and SBA Certified 8(a) Small business. We deliver program management, financial management, performance improvement, and technology ...

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Showing results 41-60

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L3 Technology information

What are the key skills and qualifications needed to thrive as an L3 Technology specialist?

To thrive as an L3 Technology Specialist, you need advanced expertise in systems troubleshooting, network infrastructure, and in-depth technical knowledge, typically supported by a relevant degree and industry certifications like CompTIA, Cisco, or Microsoft. Proficiency with enterprise-level tools such as ticketing systems, network monitoring platforms, and virtualization technologies is often required. Strong analytical thinking, attention to detail, and effective communication are crucial soft skills in this role. These skills ensure prompt resolution of complex technical issues, maintain system reliability, and support seamless collaboration with both technical teams and end users.

What is the difference between L3 Technology vs Network Engineer?

AspectL3 TechnologyNetwork Engineer
CertificationsTypically Cisco, CompTIA, or vendor-specific certificationsSame certifications often required
Work EnvironmentDesign, develop, and implement technology solutions in corporate or tech environmentsMaintain and troubleshoot network infrastructure in various settings
Industry UsageTechnology, IT services, telecommunicationsTelecommunications, IT, enterprise networks

Both L3 Technology and Network Engineer roles often require similar certifications and work in technology-driven environments. While L3 Technology may focus more on advanced system development and integration, Network Engineers primarily manage and troubleshoot network infrastructure. The roles overlap in skills and industry usage, but L3 Technology often involves more design and implementation of complex solutions.

What is an L3 Technology?

An L3 Technology job typically refers to a role that involves working with Level 3 (L3) technical support or engineering for technology systems, networks, or products. L3 professionals are responsible for handling the most complex technical issues, often after they have been escalated from lower-level support teams. They may also be involved in system design, troubleshooting, maintenance, and providing guidance on best practices or updates. L3 Technology positions are common in IT, telecommunications, and software companies, and usually require specialized expertise in the relevant technology.

What types of projects do L3 Technology professionals typically work on, and how do these projects contribute to overall business objectives?

L3 Technology professionals are often involved in advanced technical projects such as designing, implementing, and troubleshooting complex IT systems or infrastructure, typically providing high-level support beyond what Level 1 and Level 2 can address. These projects may include network upgrades, cybersecurity initiatives, cloud migrations, or developing custom technology solutions. By resolving critical technical issues and ensuring system reliability, L3 teams play a vital role in minimizing downtime and supporting business continuity. Their work often involves close collaboration with engineering, operations, and management teams to align technology solutions with organizational goals.
L3 Technology jobs near you
Infographic showing various L3 Technology job openings in Virginia as of August 2026, with employment types broken down into 75% Full Time, 21% Part Time, and 4% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution.

Vectra Detection Engineer

GuidePoint Security

Chantilly, VA • Hybrid

Full-time

Posted 2 days ago

New

Job description

About GuidePoint Security

GuidePoint Security is a leading cybersecurity solutions and services firm enabling federal government organizations to make smarter security decisions that minimize risk. With more than 800 vetted technology vendor partnerships and deep practitioner expertise across every major cybersecurity domain, GuidePoint serves more than half of the U.S. Government's cabinet-level agencies across Civilian, DoD, and Intelligence Community segments, as well as Federal System Integrators and major defense prime contractors. We are growing our federal Presales engineering team and looking for technically exceptional engineers who thrive at the intersection of federal mission and cybersecurity technology.

This role supports Vectra's Attack Signal Production Group, which builds core threat detection technology using AI and other methods for networks, cloud, and hybrid environments.

Key Responsibilities

  • Implement and maintain architecture
  • Analyze network traffic to identify and document threat patterns.
  • Develop and maintain network-based security signatures (e.g., in Suricata).
  • Use offensive security tools and techniques to simulate attacks and generate sample network traffic for testing detections.
  • Collaborate with data scientists and security researchers to support AI-driven detection efforts and improve accuracy.
  • Continuously monitor and tune the effectiveness of network detections, adjusting as needed.
  • Contribute to threat hunting by identifying new attacker tactics, techniques, and procedures (TTPs).
  • Participate in incident response activities when required.

Required Skills

  • Active TS/SCI Clearance
  • Strong background in network traffic analysis and threat detection.
  • Hands-on experience with tools like Suricata for signature-based detection.
  • Knowledge of offensive security (e.g., simulating attacks).
  • Familiarity with MITRE ATT&CK framework and real-world attacker behaviors (lateral movement, C2, etc.).
  • Collaboration skills for working with data scientists and researchers.
  • Understanding of networking protocols, OSI layers, and security concepts (often L3-L7).

Education/Certifications (often preferred or optional):

  • Relevant experience in cybersecurity (typically several years).
  • Certifications such as OSCP, GCIA, GCDA, GSEC, or similar (optional but valued).
"Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classified information."

Apply