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Intern Core Network Engineer Jobs in California (NOW HIRING)

Aspire Fiber

Senior Core Network Engineer

Moorpark, CA · On-site

$130K - $150K/yr

Position Summary We are seeking a highly experienced Senior Core Network Engineer to lead the design, implementation, and optimization of our carrier-grade IP/MPLS and FTTH network infrastructure.

Description Credo

Network Engineer

San Jose, CA · On-site

$100K - $135K/yr

Strong grasp of core networking concepts, security principles, and network operation services ... Cisco and Arista programming experience. * Cloud networking in GCP and AWS. * Python scripting.

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Intern Core Network Engineer information

What does an intern core network engineer do?

An Intern Core Network Engineer assists in maintaining, configuring, and troubleshooting the backbone of a company's telecommunications or data network. They support senior engineers in tasks like monitoring network performance, implementing upgrades, and resolving connectivity issues. This role often involves learning about network protocols, hardware, and security measures, as well as documenting network changes. Interns gain hands-on experience with real-world network infrastructure and develop foundational skills for a career in network engineering.

What types of projects or tasks can an intern core network engineer expect to work on during their internship?

As an Intern Core Network Engineer, you can expect to assist with tasks such as monitoring network performance, troubleshooting connectivity issues, and supporting routine maintenance of core network infrastructure. Interns often help configure network devices, document network layouts, and participate in testing new technologies under the supervision of senior engineers. You'll likely collaborate closely with other network engineers, IT support teams, and sometimes vendors to ensure the network runs smoothly, giving you valuable hands-on experience in a real-world telecom or enterprise environment.

What are the key skills and qualifications needed to thrive as an intern core network engineer, and why are they important?

To excel as an Intern Core Network Engineer, you typically need a foundational understanding of networking concepts, protocols, and a relevant degree or coursework in computer science or telecommunications. Familiarity with network simulation tools, basic configuration of routers and switches, and exposure to platforms like Cisco or Juniper are commonly required. Strong analytical thinking, problem-solving abilities, and effective teamwork help interns quickly learn and adapt in dynamic technical environments. These skills and qualifications are crucial for supporting network operations and contributing to the reliability and efficiency of core network infrastructure.

What is the difference between Intern Core Network Engineer vs Network Operations Technician?

AspectIntern Core Network EngineerNetwork Operations Technician
Required CredentialsTypically pursuing or recent graduate in Computer Networking or related fieldAssociate degree or technical certification in networking
Work EnvironmentInternship setting, learning-focused, collaborative teamsOperational support, troubleshooting, on-site or remote
Employer & Industry UsageTelecom, IT service providers, network vendorsTelecom companies, ISPs, enterprise networks

Intern Core Network Engineers are usually students or recent graduates gaining hands-on experience in network design and implementation. Network Operations Technicians focus on maintaining and troubleshooting existing networks. Both roles are essential in network management but differ mainly in experience level and responsibilities.

What are the most commonly searched types of Core Network Engineer jobs in California?

The most popular types of Core Network Engineer jobs in California are:

What are popular job titles related to Intern Core Network Engineer jobs in California?

For Intern Core Network Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Intern Core Network Engineer jobs in California look for?

The top searched job categories for Intern Core Network Engineer jobs in California are:

What cities in California are hiring for Intern Core Network Engineer jobs?

Cities in California with the most Intern Core Network Engineer job openings:

Intern Core Network Engineer jobs near you
Infographic showing various Intern Core Network Engineer job openings in California as of July 2026, with employment types broken down into 1% As Needed, 78% Full Time, 18% Part Time, 1% Temporary, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Senior Core Network Engineer

Aspire Broadband Holdings Inc

Moorpark, CA

$130K - $150K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 4 days ago

Job description

Description

Position Summary


We are seeking a highly experienced Senior Core Network Engineer to lead the design, implementation, and optimization of our carrier-grade IP/MPLS and FTTH network infrastructure. This role is critical to ensuring scalability, resiliency, and performance across our core, aggregation, and access networks.


The ideal candidate has deep experience operating within an Internet Service Provider (ISP) or telecommunications environment, with hands-on expertise in Adtran access platforms, Arista routing/switching, and large-scale FTTH deployments.


This is a senior-level technical role requiring both architectural leadership and advanced operational troubleshooting capability.

Key Responsibilities
Core Network Architecture & Engineering

  • Design, implement, and maintain high-availability IP/MPLS core networks.
  • Engineer scalable BGP-based edge and peering infrastructure.
  • Architect resilient L2/L3 topologies for aggregation and backbone layers.
  • Lead IPv4/IPv6 dual-stack strategy and deployment.

FTTH & Access Network Engineering

  • Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON environments.
  • Configure and manage Adtran OLTs, aggregation platforms, and access systems.
  • Support subscriber provisioning models and service delivery frameworks.
  • Collaborate with outside plant (OSP) and field engineering teams.

Routing & Switching (Arista Focus)

  • Deploy and support Arista switching and routing platforms in core and aggregation roles.
  • Implement EVPN/VxLAN where applicable.
  • Optimize traffic engineering, QoS, and multicast routing.

ISP Operations & Optimization

  • Support upstream providers, IX peering, and transit relationships.
  • Perform traffic capacity planning and bandwidth forecasting.
  • Lead root cause analysis of network outages and performance incidents.
  • Develop monitoring, alerting, and performance visibility standards.
  • Participate in Tier 3 escalation and on-call rotation.

Automation & Documentation

  • Drive automation initiatives (Python, Ansible, etc.).
  • Maintain accurate network diagrams, IP schema, and routing policies.
  • Develop operational runbooks and engineering standards.


  • Required Qualifications
    7-10+ years of experience in a carrier, ISP, or telecommunications environment.
    Extensive experience with:
         - Adtran platforms (OLT, aggregation, access equipment)
         - Arista switches and routers
         - FTTH architecture and subscriber networks
    Deep expertise in:
        - BGP (iBGP, eBGP, route reflectors)
        - OSPF and/or IS-IS
        - MPLS (L2VPN/L3VPN preferred)
        - VLAN, QinQ, QoS
        - Multicast (PIM)
    Experience with ISP edge routing and peering design.
    Strong troubleshooting skills in production networks serving large subscriber bases.
    Experience designing high-availability and redundant architectures.

Preferred Qualifications
Experience with GPON and XGS-PON design.
Familiarity with BRAS/BNG architectures.
Experience with subscriber management and AAA (RADIUS).
Knowledge of DDoS mitigation and ISP security best practices.
Experience with DWDM or transport integration.
Industry certifications:
    - CCNP/CCIE (Service Provider preferred)
    - Arista ACE
    - MEF or equivalent carrier certifications

Key Competencies

  • Carrier-grade design mindset
  • Strong understanding of ISP traffic patterns and subscriber behavior
  • Ability to operate in fast-growing network environments
  • Excellent documentation and cross-team communication skills
  • Leadership capability for mentoring junior engineers


Why Join Us?

  • Build and scale next-generation fiber infrastructure.
  • Work in a high-growth ISP environment.
  • Influence core network strategy.
  • Competitive compensation and benefits.
  • Medical, Dental, Vision, Long Term Disability, Short Term Disability and Voluntary Buy Up of Life Insurance
  • Paid time off
  • Parental Leave
  • Team Building events
  • Opportunity for technical leadership and career growth.

Apply