ZipRecruiter

Log In

1

Core Layer Jobs (NOW HIRING)

AppFolio

CO · On-site

Realm-X serves as both a foundation for internal teams to build and scale AI-powered products, and a core layer delivering intelligent, high-impact experiences directly to our customers. At its core ...

AppFolio

CA · On-site

Realm-X serves as both a foundation for internal teams to build and scale AI-powered products, and a core layer delivering intelligent, high-impact experiences directly to our customers. At its core ...

AppFolio

Staff Machine Learning Engineer

Denver, CO

Realm-X serves as both a foundation for internal teams to build and scale AI-powered products , and a core layer delivering intelligent, high-impact experiences directly to our customers . At its ...

AppFolio

Staff Machine Learning Engineer

Goleta, CA

Realm-X serves as both a foundation for internal teams to build and scale AI-powered products , and a core layer delivering intelligent, high-impact experiences directly to our customers . At its ...

Zenlayer

Network Support Engineer

Diamond Bar, CA · Hybrid

Configure, provision, and maintain top-of-rack switches, core Layer 3 switches/routers, and SDN services * Monitor network infrastructure, respond to alerts, and ensure issues are addressed within ...

Zenlayer, Inc

Network Support Engineer

Diamond Bar, CA · On-site

Configure, provision, and maintain top-of-rack switches, core Layer 3 switches/routers, and SDN services * Monitor network infrastructure, respond to alerts, and ensure issues are addressed within ...

Zenlayer, Inc

Network Support Engineer

Diamond Bar, CA · On-site

Configure, provision, and maintain top-of-rack switches, core Layer 3 switches/routers, and SDN services * Monitor network infrastructure, respond to alerts, and ensure issues are addressed within ...

next page

Showing results 1-20

All JobsCore Layer Jobs

Core Layer information

What is the difference between Core Layer vs Distribution Layer?

AspectCore LayerDistribution Layer
Primary FunctionHigh-speed data transfer and backbone connectivityPolicy enforcement, routing, and network segmentation
Work EnvironmentData centers, large enterprise networksCampus networks, enterprise distribution points
Required CredentialsNetworking certifications (e.g., CCNA, CCNP)Networking certifications (e.g., CCNA, CCNP)
Usage in IndustryDesigns for high-performance, scalable networksInterconnecting access layers and managing traffic

The Core Layer focuses on fast, reliable backbone connectivity within large networks, while the Distribution Layer manages traffic policies and network segmentation. Both roles require similar certifications and are essential in enterprise network architecture, but they serve different functions within the network hierarchy.

What are core layer jobs in networking?

Core layer jobs in networking refer to roles focused on designing, maintaining, and managing the core layer of a network infrastructure. The core layer is responsible for high-speed, reliable data transmission between different regions of a network and often acts as the backbone connecting various distribution layers. Professionals in these roles ensure network scalability, redundancy, and optimal performance, handling tasks like configuring core routers and implementing advanced routing protocols. These jobs are essential in large enterprises or service provider environments where robust network performance is critical.

What are some common challenges faced by professionals working on the Core Layer of software systems?

Professionals working on the Core Layer often encounter challenges related to system scalability, stability, and integration with other layers. They must ensure that the foundational components are robust and can support high loads while maintaining performance and security. Collaboration with other teams, such as application development and infrastructure, is essential to align architectural decisions and resolve potential bottlenecks. Staying updated with advances in core technologies and best practices is also crucial for long-term success in this role.

What are the key skills and qualifications needed to thrive as a Core Layer Engineer, and why are they important?

To thrive as a Core Layer Engineer, you need a strong background in computer science, networking protocols, and system architecture, often supported by a relevant degree or certifications such as Cisco CCIE or Juniper JNCIE. Familiarity with routing and switching equipment, network simulation tools, and network operating systems (e.g., IOS, Junos) is crucial. Analytical thinking, problem-solving abilities, and effective communication help engineers collaborate and resolve complex issues efficiently. These skills are essential to ensure reliable, scalable, and secure network infrastructure in enterprise and service provider environments.
More about Core Layer jobs
What job categories do people searching Core Layer jobs look for? The top searched job categories for Core Layer jobs are:
Core Layer jobs near you
Infographic showing various Core Layer job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution.
Bricklayer

Bricklayer

United States Steel Corporation

Granite City, IL • On-site

$38.39/hr

Full-time

Posted 17 days ago

United States Steel rating

7.6

Company rating: 7.6 out of 10

Based on 83 frontline employees who took The Breakroom Quiz

231st of 535 rated manufacturers

Job description


United States Steel - Granite City Works has an immediate need for temporary bricklayers. The job is within a heavy industrial environment, and you may be required to work within various areas of the mill.
Dependent upon the area, the environmental conditions can be hot, cold, dirty, greasy, wet, and noisy.
Requirements:
  • Candidate must be a qualified bricklayer that is fully trained in all aspects of working with refractory materials.
  • High School diploma or GED
  • The position requires overtime work as needed.
  • Adherence to safety procedures/guidelines always. Safety is our core value which requires you to wear safety protection such as hard hats, safety glasses, hearing protection, protective clothing, boots with metatarsal protection, and when necessary, respirator equipment.
  • The position requires punctuality, consistent attendance, and self-direction for the success of the operations.
Bricklayer apprentice starting pay rate $28.79
Bricklayer starting pay rate $38.39
The starting pay rate is a good faith estimate
Company Overview
Since 1901, U. S. Steel has been a recognized leader in steel production. Today, as the first North American steel company to have declared a 2050 net-zero greenhouse gas emissions goal, we remain as innovative as ever, leading transformation across our industry while continuing to make products for everyday life - from industries as far ranging as automotive, construction, containers and packaging, appliances, and energy.
Underneath it all is our Culture of Caring, which shows up in our community partnerships, charitable contributions, company-sponsored employee volunteer initiatives, scholarship programs, leadership training, and much more. And of course, it takes shape in a steadfast commitment to safety first in our workplaces and respect for our employees, who are United by Steel.
We are honored to have earned accolades and awards from well-regarded organizations, including the following:
  • Ethisphere's World's Most Ethical Companies® 2022, '23, '24
  • Disability: IN's Best Places to Work for Disability Inclusion 2021, '22, '23, '24
  • Human Rights Campaign Foundation's Equality 100 Award 2020, '21, '22, '23-24, '25
  • Military Times' Best for Vets: Employers 2023, '24

Conducting business with integrity and with the highest ethical values has underpinned U. S. Steel's success for over 100 years, and it remains critical to our company's success in the future. U. S. Steel is an Equal Opportunity Employer. It is our policy to provide equal employment opportunity (EEO) according to job qualifications without discrimination on the basis of race, color, religion, ancestry, national origin, age, genetics, sexual orientation, sex, gender identity, disability status or status as a protected Veteran or any other legally protected group status. (California residents may visit www.ussteel.com/CANotice regarding collection of personal information and U. S. Steel's privacy practices.)
Competency Summary
At U. S. Steel all employees are expected to display the following core competencies every day to advance corporate, team and individual goals:
Think: Think Critically and Drive Change
Lead: Develop Talent and Collaborate
Do: Empower Performance and Deliver Results

What United States Steel employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply