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Tier Three Engineer Jobs (NOW HIRING)

Proven Business Systems LLC

Tier 3 Engineer

Schaumburg, IL · On-site

$75K - $100K/yr

Description The Tier III Engineer is responsible for server, network, application, and virtual CIO support related to technical troubleshooting and maintenance. This is an expert level of customer ...

Proven IT

Tier 3 Engineer

Schaumburg, IL · On-site

$75K - $100K/yr

Job Type Full-time Description The Tier III Engineer is responsible for server, network, application, and virtual CIO support related to technical troubleshooting and maintenance. This is an expert ...

On Call Compliance Solutions

Tier 3 Engineer

Job Summary : On Call Compliance Solutions is seeking a proactive, client-focused Tier 3 Engineer to support and improve the technology environments of their managed services clients. The role ...

New

teKnoluxion

IEC Tier 3 Engineer

Springfield, VA

Join our growing team supporting the NGA customer's mission as an IEC Tier 3 Engineer . What you get to do every day : The engineering team is looking for a driven Senior Systems Engineer that can ...

teKnoluxion

IEC Tier 3 Engineer

Springfield, VA · On-site

Join our growing team supporting the NGA customer's mission as an IEC Tier 3 Engineer . Responsibilities What you get to do every day : The engineering team is looking for a driven Senior Systems ...

teKnoluxion

IEC Tier 3 Engineer

Springfield, VA · On-site

Join our growing team supporting the NGA customer's mission as an IEC Tier 3 Engineer . Responsibilities What you get to do every day : The engineering team is looking for a driven Senior Systems ...

eTop Technology

Be Seen First

Tier 3 Engineer - Team Lead

Redlands, CA · On-site

$95K - $105K/yr

Own Tier 1-3 escalations, triage complex tickets, and serve as the primary technical authority for the team. * Monitor ticket queues for SLA compliance, workload balance, and resolution quality ...

InterImage

Tier 3 Network Engineer

Chantilly, VA

Tier 3 Network Engineer Company: InterImage InterImage is actively seeking an energetic, curious, and skilled engineer to join our team in Northern VA! We are looking for a Tier 3 Network Engineer to ...

Verdant Tcs

Systems Engineer Level III

Ada, MI · On-site

$90K/yr

Esclation for Tier 3 Help Desk tickets in a timely manner * Respond to customer issues via phone ... Engineer * Proficiency with iOS and Windows computers * Excellent oral communication skills

Verdant Tcs

Systems Engineer Level III

Ada, MI · On-site

Esclation for Tier 3 Help Desk tickets in a timely manner * Respond to customer issues via phone ... features in tech stack Qualifications for Level 3 Engineer * Proficiency withiOSand ...

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All JobsTier Three Engineer Jobs

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 L1, L2, L3, and L4 engineer?

In the context of a Tier Three Engineer role, L1, L2, L3, and L4 typically refer to different levels of technical support or engineering expertise. L1 is entry-level support handling basic issues, L2 involves more complex troubleshooting, L3 includes advanced problem resolution and specialized skills, and L4 represents expert-level or senior engineers often involved in design, architecture, or escalation. These levels help define the scope of responsibilities and required skills within IT support or engineering teams.

What jobs can you get with level 3 engineering?

A Level 3 Engineer typically qualifies for advanced technical roles such as senior support engineer, systems engineer, or technical specialist. These positions often require strong problem-solving skills, knowledge of specific tools or platforms, and relevant certifications. They may work in environments like IT, telecommunications, or manufacturing, often supporting complex systems and troubleshooting issues at an expert level.

What is a Tier 3 engineer?

A Tier 3 engineer is a senior technical support or engineering professional responsible for resolving complex issues, often providing advanced troubleshooting and mentorship to Tier 1 and Tier 2 teams. They typically possess deep technical knowledge, relevant certifications, and experience with specialized tools or systems, working in environments that require high-level problem-solving skills.

What engineer makes $500,000 a year?

A Tier Three Engineer typically does not earn $500,000 annually; such high salaries are more common in executive or specialized roles within technology companies. Senior engineers with extensive experience, advanced skills, and certifications in fields like software development, cybersecurity, or cloud architecture may reach high six-figure incomes, but $500,000 is rare for standard engineering positions.
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Tier Three Engineer jobs near you
Tier 3 Engineer

Tier 3 Engineer

On Call Computer Solutions, LLC

Tallahassee, FL • Remote

$150K - $200K/yr

Full-time

Re-posted 13 days ago

Job description

Are you an experienced fully Remote, US-Based Tier 3 Engineer who enjoys solving meaningful technical problems instead of living in reactive chaos?

Do you take pride in building stable, secure, well-documented environments that keep clients productive and protected?

On Call Computer Solutions is seeking a proactive, client-focused Tier 3 Engineer to support and improve the technology environments of our managed services clients. This role is ideal for someone who can think beyond break/fix work, prevent issues before they become outages, and own escalations through resolution.

The right candidate brings strong systems administration skills, solid communication, and the ability to balance daily support, proactive maintenance, documentation, and project work in a fast-paced MSP environment. You should be comfortable working across servers, Microsoft 365, identity, backups, virtualization, endpoint management, and core infrastructure while keeping security and client experience front and center.

Key Deliverables / KPIs

  • Proactively administer and maintain client environments, including Windows Server, Active Directory, Microsoft 365, Entra ID/Azure AD, virtualization platforms, backup systems, and core infrastructure; keep systems healthy, patched, monitored, and operating with minimal recurring issues and downtime.
  • Own escalated support tickets and infrastructure tasks from diagnosis through completion, including root-cause troubleshooting, permissions, onboarding/offboarding, server maintenance, line-of-business application support, and small-to-mid-sized technical projects; document work clearly and communicate effectively with clients and internal teams.
  • Improve client security and resilience by enforcing standards for patching, MFA, endpoint hygiene, backup verification, disaster recovery readiness, system documentation, and change control; identify risks early and recommend practical remediation steps that improve stability, security, and long-term service quality.
  • Other relevant duties as assigned.

Required Qualifications

  • 3+ years of hands-on systems administration, infrastructure support, or MSP engineering experience
  • Strong experience with Windows Server, Active Directory, Microsoft 365, DNS, DHCP, virtualization, backup/recovery, and endpoint management
  • Working knowledge of networking fundamentals, including switching, routing, VPNs, firewalls, and remote access
  • Experience with ticket-driven service delivery, documentation, patch management, and proactive maintenance
  • Strong troubleshooting skills with the ability to communicate clearly to both technical and non-technical users

Preferred Qualifications

  • MSP experience supporting multiple client environments
  • Experience with Azure, Entra ID, Intune, and cloud migrations
  • Experience with Nutanix
  • Familiarity with business continuity and disaster recovery testing
  • Experience working in security-conscious or compliance-driven environments
  • Relevant Microsoft, CompTIA, or vendor certifications

On Call Computer Solutions, LLC is an Equal Opportunity Employer. Where permitted by applicable federal, state, and local law, employment with the Company is at will. Nothing in this job posting or the hiring process creates an express or implied contract of employment or guarantees employment for any specific duration.

Employment Type: FULL_TIME

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