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Tier Three Engineer Jobs in Virginia (NOW HIRING)

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 ...

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 ...

Sr. Tier III O&M Engineer

Chantilly, VA · On-site

$92K - $166K/yr

The Digital Modernization Sector at Leidos is seeking a Sr. Tier III operations and maintenance (O&M) engineer to support various WAN and LAN networks. Will provide incident resolution, routing ...

Description The Digital Modernization Sector at Leidos is seeking a Sr. Tier III operations and maintenance (O&M) engineer to support various WAN and LAN networks. Will provide incident resolution ...

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 ...

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 ...

Azure DevOps Engineer (78185)

Sterling, VA · On-site

$53.25 - $73/hr

The Tier 3 engineer mentors other engineers, leads cross-team initiatives, and ensures that CI/CD, Terraform, and Ansible implementations scale securely and consistently. Key Responsibilities

Azure DevOps Engineer (78185)

Sterling, VA · On-site

$53.25 - $73/hr

The Tier 3 engineer mentors other engineers, leads cross-team initiatives, and ensures that CI/CD, Terraform, and Ansible implementations scale securely and consistently. Key Responsibilities

Showing results 41-60

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:

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.

NOC Network Engineer Tier 3 Supervisor with Security Clearance

STEM Solutions & Consultants LLC

Lorton, VA • On-site

Other

Posted 9 days ago


Job description

NOC Network Engineer Tier 3 Supervisor Description Are you a seasoned network professional with a passion for solving complex network issues? Join our team as a Senior NOC Network Engineer and play a pivotal role in ensuring the reliability and performance of critical network infrastructure. Opportunity: Our partner is seeking a highly skilled and experienced Senior NOC Network Engineer (Tier 3) Supervisor to join our team in Lorton, Virginia. This role is perfect for individuals with advanced network operations expertise, capable of handling high-level troubleshooting and leading network improvement initiatives. Responsibilities: * Serve as the escalation point for complex network issues from Tier 2 and Tier 2 support. * Lead the diagnosis and resolution of critical network incidents to minimized downtime. * Conduct deep-dive network performance analysis and proactively identify areas for optimization. * Design, implement, and maintain network configurations, upgrades, and solutions. * Collaborate with network architects and other teams on network design and capacity planning. * Oversee the integration of new network technologies and solutions into existing infrastructure. * Provide mentorship and technical guidance to Tier 1 and Tier 2 NOC personnel. * Ensure network security standards are adhered to and contribute to the development of security policies. * Maintain up-to-date documentation on network architecture, configurations, and processes. * Participate in on-call rotations and respond to network emergencies as needed. * Provide on-site team management including: * Mentoring of junior team members * Management of time reporting/forecasting for the team * Assist with Business Development activities * Ownership of weekly/monthly contractually required communications with Prime * Assist with monthly invoicing processes to ensure accurate billing to the customer Qualifications: * Bachelor's degree in computer science, information technology, or a related field (or equivalent experience). * 5+ years of experience in network operations, engineering, or a similar role. * Expert-level understanding of networking protocols, including TCP/IP, BGP, OSPF, MPLS, VLANs, and VPNs. * Hands-on experience with Cisco, Juniper, and/or other enterprise network equipment. * Proficiency with network monitoring and diagnostic tools (e.g., SolarWinds, Wireshark, PRTG). * Strong knowledge of network security principles, including firewall management, IDS/IPS, and access control. * Proven ability to lead incident response and troubleshoot complex network issues. * Experience with cloud networking concepts, such as AWS, Azure, or hybrid environments, is a plus. * Industry certifications such as CCNP, CCIE, or equivalent are highly desirable. Requirements: * Must be within driving distance of Lorton, VA, or willing to relocate (Relocation Assistance Package Available). * Must be willing to work onsite. * Must have an active TS/SCI security clearance * Must be willing to work non-standard hours, including on-call duties. * Must meet DoD 8570 IAT Level II certification requirements (e.g., Security+ CE, CCNA Security, etc.).