ZipRecruiter

Log In

1

Tier 3 Support Jobs in Reston, VA (NOW HIRING)

IsI Enterprises LLC

Support Engineer III

Reston, VA · On-site

$90K - $100K/yr

Technical Leadership & Tier 3 Support * Act as the highest-level technical escalation point for engineering-related client and internal issues. * Lead technical troubleshooting, root cause analysis ...

JFL Consulting LLC

NOC Engineer Tier 3

Springfield, VA · On-site

$140K - $180K/yr

We support your growth through certification reimbursement, dedicated professional development ... Tier 3 engineers are activated for all Priority 1 network events and serve on the on-call rotation ...

designDATA

End User Support Technician-Tier 3

Washington, DC · On-site

$42K - $53K/yr

They are seeking an End User Support Technician-Tier 3 who will provide advanced troubleshooting and support, collaborate with team members, and contribute to the training of junior technicians.

JFL Consulting LLC

NOC Engineer Tier 3

Springfield, VA

$140K - $180K/yr

We support your growth through certification reimbursement, dedicated professional development ... Tier 3 engineers are activated for all Priority 1 network events and serve on the on-call rotation ...

JFL Consulting, LLC

NOC Engineer Tier 3

Springfield, VA · On-site

$140K - $180K/yr

We support your growth through certification reimbursement, dedicated professional development ... Tier 3 engineers are activated for all Priority 1 network events and serve on the on-call rotation ...

AAC

End User Tier 3

Washington, DC

Provide Tier 3 end user system administration support via telephone, deskside, or remote to users related to their hardware, network connectivity, operating systems, email, end user and business ...

AAC Inc.

End User Tier 3

Washington, DC · On-site

AAC Inc. is a company focused on technology and computer-related services, and they are seeking an End User Tier 3 to provide advanced support for office computing equipment and software. The role ...

AAC Inc

End User Tier 3

Washington, DC · On-site

Provide Tier 3 end user system administration support via telephone, deskside, or remote to users related to their hardware, network connectivity, operating systems, email, end user and business ...

kgs

NOC Technician Tier 3

Washington, DC · Hybrid

Koniag Technology Solutions, Inc, a Koniag Government Services company , is seeking a NOC Technician Tier 3 to support KTS and our government customer in Washington, DC. This position requires the ...

Koniag, Inc.

NOC Technician Tier 3

Washington, DC · On-site

$110K - $135K/yr

Koniag Technology Solutions, Inc, a Koniag Government Services company , is seeking a NOC Technician Tier 3 to support KTS and our government customer in Washington, DC. This position requires the ...

previous pagenext page

Showing results 21-40

All JobsTier 3 Support JobsTier 3 Support Jobs in Reston, VA

Tier 3 Support information

See Reston, VA salary details

$15

$27

$46

How much do tier 3 support jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for tier 3 support in Reston, VA is $27.10, according to ZipRecruiter salary data. Most workers in this role earn between $20.00 and $29.52 per hour, depending on experience, location, and employer.

What types of issues does a Tier 3 Support specialist typically handle compared to Tier 1 or Tier 2 support roles?

Tier 3 Support specialists are responsible for addressing the most complex and challenging technical problems that cannot be resolved by Tier 1 or Tier 2 teams. These issues often involve in-depth troubleshooting, root cause analysis, and collaboration with developers or product engineers to resolve systemic or advanced hardware/software problems. Unlike earlier tiers that handle basic troubleshooting or account support, Tier 3 handles escalations that may require specialized knowledge or the creation of permanent solutions. This role is highly collaborative, often involving cross-team communication and direct involvement in critical incident management. As a result, professionals in Tier 3 Support gain valuable expertise and exposure that can lead to specialized engineering or leadership career paths.

What are the key skills and qualifications needed to thrive in the Tier 3 Support position, and why are they important?

To thrive as a Tier 3 Support professional, you need deep technical expertise in troubleshooting complex systems, advanced problem-solving abilities, and experience with relevant industry technologies. Familiarity with ticketing systems, network and server diagnostic tools, and certifications such as CompTIA, Microsoft, or Cisco are often expected. Strong analytical thinking, effective communication skills, and the ability to mentor others help distinguish top performers. These skills are crucial for efficiently resolving escalated issues, supporting internal teams, and maintaining high service standards for customers.

What is a Tier 3 Support?

A Tier 3 Support job involves providing advanced technical support for complex issues that cannot be resolved by Tier 1 or Tier 2 teams. Tier 3 specialists diagnose deep-rooted software, hardware, or network problems, often working closely with developers or engineers to identify and implement solutions. They may also assist with bug fixes, system optimizations, and documentation for recurring issues. Their role requires extensive technical expertise, troubleshooting skills, and a deep understanding of the product or system.

What are popular job titles related to Tier 3 Support jobs in Reston, VA?

For Tier 3 Support jobs in Reston, VA, the most frequently searched job titles are:

What job categories do people searching Tier 3 Support jobs in Reston, VA look for?

The top searched job categories for Tier 3 Support jobs in Reston, VA are:

Tier 3 Support jobs near you
Infographic showing various Tier 3 Support job openings in Reston, VA as of August 2026, with employment types broken down into 1% As Needed, 71% Full Time, 23% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $56,366 per year, or $27.1 per hour.

Support Engineer III

IsI Enterprises LLC

Reston, VA • On-site

$90K - $100K/yr

Full-time

PTO

Posted 23 days ago

Job description

The Support Engineer III role is a technical leader within the Support Department, reporting to the Manager of Support. This role is responsible for escalation support, administration of key systems, and providing leadership to Tier I and Tier II support engineers. This role will also involve complex troubleshooting of technical issues, creating and documenting processes, and automation and scripting, across both internal and client environments.
This position is collaborative with Cybersecurity, Compliance, and Program Management teams to ensure that infrastructure solutions align with security frameworks, operational best practices, and client needs.
Success in this role is measured by improvements in customer retention, profitability, and customer satisfaction, achieved through strong client communication, high-performing teams, automation, and technical mentorship.
Key Responsibilities
  • Technical Leadership & Tier 3 Support
  • Act as the highest-level technical escalation point for engineering-related client and internal issues.
  • Lead technical troubleshooting, root cause analysis, and proactive problem resolution.
  • Ensure clear, client-friendly communication of technical solutions to enhance customer trust and satisfaction.
  • Cloud & Infrastructure Engineering
  • Design, implement, and optimize hybrid cloud environments (Azure, AWS, GCC/GCC High) with a focus on automation, scalability, and performance.
  • Develop and implement automation strategies (PowerShell, Python) to streamline provisioning, monitoring, and system management.
  • Maintain 99.99% uptime and high availability through proactive infrastructure monitoring, redundancy strategies, and disaster recovery planning.
  • Ensure compliance with NIST 800-171, CMMC, and FedRAMP, partnering with Cybersecurity & Compliance teams
Collaboration & Cross-Department Support
  • Partner with Program Management (PMO) to execute client onboarding/offboarding and compliance readiness projects, ensuring technical feasibility and smooth transitions.
  • Work with Cybersecurity to align cloud and infrastructure security with NIST 800-171, CMMC, and FedRAMP standards. (Security implementation is managed by the Cybersecurity team.)
  • Support Compliance teams in audits by ensuring technical configurations meet compliance requirements.
  • Collaborate with Account Management & Client Success to educate clients on infrastructure modernization, automation, and cloud strategy improvements.
Operational Maturity & Continuous Improvement
  • Support the MSP Customer Success Managers to educate clients on infrastructure improvements, security hardening, and IT best practices.
  • Provide technical insights during project meetings and business reviews to ensure client expectations are met.
  • Enhance customer satisfaction by ensuring clear, structured technical communication.
  • Conduct knowledge-sharing sessions for Tier 1 & Tier 2 engineers, reducing Tier 3 escalations and improving team expertise.
    Qualifications
  • U.S. Citizenship is required.
  • Must be eligible to obtain and maintain a U.S. Government security clearance.
  • Bachelor's degree in computer science, Information Technology, or related field (or equivalent experience).
  • 6+ years of experience in IT engineering, with a focus on MSP/MSSP environments.
  • Strong expertise in Microsoft 0365 (GCC/GCC High preferred), including Entra, Exhange, Intune, Purview, Sharepoint, Teams.
  • Azure Entra, Infrastructure, Networking, Migration, Storage accounts (AWS a plus)
  • Proficiency with Active Directory and hybrid environments, including GPO and NPS.
  • Ability to support Mac, iPhone and supporting tools
  • Azure AI, Copilot, and other AI product support a strong plus
  • Advanced knowledge of networking (firewalls, VPNs, SD-WAN, SASE)
  • Windows/Linux infrastructure, and virtualization technologies.
  • Hands-on experience with automation/scripting (PowerShell, Python, Ansible) to optimize deployments and system management.
  • Proficiency in infrastructure monitoring, performance tuning, and high-availability designs.
  • Strong understanding of MSP/MSSP tool stack management (RMM, PSA, SIEM, EDR, Email Security, Backup solutions).
  • Ability to collaborate with security teams, ensuring infrastructure aligns with security and compliance standards (NIST 800-171, CMMC, FedRAMP).
  • Strong problem-solving skills and technical leadership experience, mentoring junior engineers and driving automation initiatives.
What we offer:
  • Competitive salary range: $90,000 - $100,000 (commensurate with experience).
  • Comprehensive benefits package, including generous PTO.
  • Flexible hybrid work schedule.
  • Opportunities for professional growth and training.
  • A collaborative and innovative company culture that values teamwork and continuous improvement.
IsI Enterprises does not accept unsolicited resumes from individual recruiters or third party recruiting agencies in response to job postings or otherwise. Placement fees will not be paid to any recruiter unless IsI has an active agreement in place with the recruiter and such a request has been made by the IsI hiring team and such candidate was submitted to the IsI hiring team via our Applicant Tracking System. Any unsolicited resumes or other data submitted to IsI in violation of this policy may be used by IsI without obligation to pay any fees of any kind to the recruiter.

Apply