ZipRecruiter

Log In

1

L3 Engineer Jobs in Silver Spring, MD (NOW HIRING)

Diamondpick

Mainframe Infra Engineer

Mclean, VA · On-site

Mainframe Infra Engineer $85 Hybrid - McLean, VA Client Kit BGV must be cleared to start Job Title Mainframe z/OS Technical Lead / L3 Engineer We are seeking a senior Mainframe Z/OS Technical Lead to ...

LHH US

Desktop Engineer L3

Washington, DC · Hybrid

$110K - $115K/yr

Desktop Engineer L3 Location: Washington, DC (Hybrid - 2 days onsite) Employment Type: Contract-to-Hire Compensation: $50-55/hr W2 | $110,000-115,000/yr About the Role I am actively hiring a Senior ...

LHH US

Desktop Engineer L3

Washington, DC · Hybrid

$110K - $115K/yr

Desktop Engineer L3 Location: Washington, DC (Hybrid - 2 days onsite) Employment Type: Contract-to-Hire Compensation: $50-55/hr W2 | $110,000-115,000/yr About the Role I am actively hiring a Senior ...

ASCENDING

Python Developer L3

Fairfax, VA · On-site

$49.75 - $68.75/hr

Python Developer L3 FTE only, No C2C Location: 4 days/week onsite in Merrifield, VA - Mosaic District We are growing!! ASCENDING Inc, has doubled its revenue for the 3rd year in a row and our main ...

ASCENDING LLC

Python Developer L3

Fairfax, VA · On-site

$49.75 - $68.75/hr

Python Developer L3 FTE only, No C2C Location: 4 days/week onsite in Merrifield, VA - Mosaic District We are growing!! ASCENDING Inc, has doubled its revenue for the 3rd year in a row and our main ...

Inovalon

Software Development Engineer L3

Bowie, MD · On-site +1

$126K - $136K/yr

Software Development Engineer L3 for Multiple Positions Salary: $126,090 - $136,090/year Location: 4321 Collington Road (and Other U.S. Locations), Bowie, MD 20716 Summary of Duties: Develop and ...

Inovalon

Software Development Engineer L3

Bowie, MD · On-site

$126K - $136K/yr

Software Development Engineer L3 for Multiple Positions Salary: $126,090 - $136,090/year Location: 4321 Collington Road (and Other U.S. Locations), Bowie, MD 20716 Summary of Duties: Develop and ...

next page

Showing results 1-20

All JobsL3 Engineer JobsL3 Engineer Jobs in Silver Spring, MD

L3 Engineer information

See Silver Spring, MD salary details

$37.7K

$98.3K

$132.8K

How much do l3 engineer jobs pay per year?

As of Jul 1, 2026, the average yearly pay for l3 engineer in Silver Spring, MD is $98,265.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,100.00 and $112,500.00 per year, depending on experience, location, and employer.

What is L1, L2, L3, and L4 developer?

In a technical support or engineering context, L1, L2, L3, and L4 refer to different levels of support or expertise. L1 is entry-level support handling basic issues, L2 involves more complex troubleshooting, L3 includes advanced problem resolution often involving development or specialized skills, and L4 typically involves expert-level support or engineering teams responsible for complex system design or architecture. These levels help define roles, responsibilities, and escalation paths within IT and engineering teams.

What engineers make $300,000 a year?

Senior engineers in specialized fields such as software engineering, data engineering, or systems architecture can earn $300,000 or more annually, especially with extensive experience, advanced skills, and working in high-demand industries or companies. Roles often require advanced certifications, leadership responsibilities, or working in competitive markets like technology or finance.

What are L3 Engineers?

L3 Engineers, or Level 3 Engineers, are highly skilled technical professionals who provide expert support for complex IT systems and infrastructure. They are the final escalation point for technical issues that cannot be resolved by Level 1 (L1) or Level 2 (L2) support teams. L3 Engineers typically handle advanced troubleshooting, root cause analysis, and the implementation of solutions for critical problems. They may also be involved in designing, configuring, and maintaining systems, ensuring reliability and performance. Their expertise is crucial for resolving high-impact incidents and preventing future issues.

What are the key skills and qualifications needed to thrive as an L3 Engineer, and why are they important?

To thrive as an L3 Engineer, you need advanced expertise in troubleshooting, system administration, and deep technical knowledge of network and server infrastructure, often backed by a relevant degree and certifications like CCNP or MCSE. Familiarity with enterprise monitoring tools, ticketing systems, virtualization platforms, and scripting languages is typically required. Strong analytical thinking, effective communication, and the ability to work under pressure are valuable soft skills for this role. These competencies ensure timely and effective resolution of complex issues, minimizing downtime and maintaining seamless IT operations.

What engineers make $500,000?

Senior engineers in specialized fields such as software engineering, data engineering, or systems architecture can earn $500,000 or more annually, especially with extensive experience, advanced skills, and in high-demand industries like technology or finance. These roles often require advanced certifications, leadership responsibilities, and working in competitive environments with significant project scope.

What is the difference between L3 Engineer vs Network Engineer?

AspectL3 EngineerNetwork Engineer
CertificationsCCNA, CCNP, CompTIA Network+CCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, enterprise networks, telecomsCorporate offices, data centers, service providers
ResponsibilitiesNetwork troubleshooting, configuration, supportDesign, implement, maintain network infrastructure
Industry UsageIT, telecommunications, enterpriseIT, telecommunications, service providers

Both L3 Engineers and Network Engineers often hold similar certifications and work in comparable environments. While L3 Engineers focus on advanced troubleshooting and support within IT infrastructure, Network Engineers typically design and implement network systems. The roles overlap in skills and industry usage, but L3 Engineers tend to handle escalated issues, whereas Network Engineers focus on network planning and deployment.

What is a L3 level engineer?

A Level 3 (L3) engineer is a senior technical professional responsible for complex problem-solving, system design, and troubleshooting within their area of expertise. They often lead technical projects, mentor lower-level engineers, and work with advanced tools and technologies to ensure system stability and performance.

What types of technical issues or projects does an L3 Engineer typically handle compared to L1 and L2 support roles?

L3 Engineers are responsible for resolving the most complex technical issues that cannot be addressed by L1 (first-line) or L2 (second-line) support teams. They often work on advanced troubleshooting, root cause analysis, and implementing permanent fixes for recurring problems. Additionally, L3 Engineers may lead critical infrastructure projects, develop automation scripts, and collaborate closely with development or architecture teams to improve system reliability. Their role often involves a mix of incident management, proactive system enhancements, and knowledge sharing with junior engineers.
What are popular job titles related to L3 Engineer jobs in Silver Spring, MD? For L3 Engineer jobs in Silver Spring, MD, the most frequently searched job titles are:
What job categories do people searching L3 Engineer jobs in Silver Spring, MD look for? The top searched job categories for L3 Engineer jobs in Silver Spring, MD are:
L3 Engineer jobs near you
Infographic showing various L3 Engineer job openings in Silver Spring, MD as of June 2026, with employment types broken down into 94% Full Time, 4% Part Time, and 2% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $98,265 per year, or $47.2 per hour.

Mainframe Infra Engineer

Diamondpick

Mclean, VA • On-site

Other

Posted 20 days ago

Key responsibilities

  • Provide technical oversight of vendor-managed mainframe operations and review daily operations, incidents, changes, and releases.

  • Oversee IMS (DB/DC), DB2 for z/OS, and CICS environments and review system performance, capacity, availability, and stability.

  • Communicate technical insights clearly to leadership and stakeholders and provide architectural input for upgrades and future-state planning.

Job description

Mainframe Infra Engineer
$85
Hybrid - McLean, VA
Client Kit
BGV must be cleared to start
Job Title
Mainframe z/OS Technical Lead / L3 Engineer
Job Description
We are seeking a senior Mainframe Z/OS Technical Lead to act as the client-side SME overseeing outsourced mainframe services and guiding a small internal team.
Responsibilities:
• Provide technical oversight of vendor-managed mainframe operations
• Review daily operations, incidents, RCA, changes, and releases
• Validate vendor recommendations and ensure adherence to SLAs and ITIL processes
• Act as escalation point for complex mainframe issues
• Provide expert guidance on z/OS, Sysplex, WLM, JES, and RACF
• Oversee IMS (DB/DC), DB2 for z/OS, and CICS environments
• Review system performance, capacity, availability, and stability
• Recommend improvements for performance, automation, and cost optimization
• Identify risks, technical debt, and modernization opportunities
• Review DR, BCP, backup, and recovery strategies
• Provide architectural input for upgrades and future-state planning
• Communicate technical insights clearly to leadership and stakeholders
Required Skills:
• 10+ years of strong hands-on mainframe experience
• Expert knowledge of z/OS, IMS, DB2, CICS
• Strong understanding of JCL, COBOL, and batch processing
• Experience with vendor-managed or outsourced environments
• Ability to influence, challenge, and guide vendors constructively
Preferred:
• Mainframe modernization or optimization experience
• ITIL process exposure

Apply