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Temporary Core Network Engineer Jobs in California

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.

Goldstone Partners, Inc.

Network Engineer

Sunnyvale, CA · On-site

$120K - $150K/yr

You have demonstrated experience in classified network environments, a solid command of core ... If you're ready to put your network engineering skills to work on a mission that matters, let ...

Caltech

Security and Network Engineer

Pasadena, CA · On-site

$114K - $156K/yr

While cybersecurity and federal compliance are the primary focuses of this position, your core network engineering expertise will directly inform your security architecture. As part of a close-knit ...

SAIC

Network Engineer

San Diego, CA · Hybrid

$80K - $120K/yr

Network Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance ... Working knowledge of core networking concepts and protocols. Clearance: * Must be a U.S. Citizen.

SAIC

Network Engineer

San Diego, CA · On-site

$80K - $120K/yr

Working knowledge of core networking concepts and protocols. Clearance : * Must be a U.S. Citizen ... engineering, intelligence, and enterprise information technology markets. SAIC is Redefining ...

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All JobsCore Network Engineer JobsTemporary Core Network Engineer JobsTemporary Core Network Engineer Jobs in California

Temporary Core Network Engineer information

Are temporary core network engineers still in demand?

Temporary core network engineers are still in demand due to ongoing needs for network infrastructure maintenance, upgrades, and security. Skills in Cisco, Juniper, and network automation tools remain valuable, and certifications like CCNA or CCNP can enhance job prospects in this field.

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

AspectTemporary Core Network EngineerNetwork Operations Technician
Required CredentialsBachelor's in Computer Science or related, Cisco/Juniper certifications often preferredAssociate's degree or technical certification in networking
Work EnvironmentData centers, telecom companies, network service providersNetwork operation centers, field sites, enterprise networks
Employer & Industry UsageTelecom, ISPs, large enterprisesService providers, enterprise IT teams
Common Search & ComparisonOften compared for network infrastructure rolesCompared for network maintenance and troubleshooting roles

The Temporary Core Network Engineer typically focuses on designing, implementing, and maintaining core network infrastructure, often requiring advanced certifications and experience. In contrast, a Network Operations Technician handles day-to-day network troubleshooting and support. While both roles work within network environments, the engineer role is more strategic and technical, whereas the technician role is operational and support-oriented.

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 cities in California are hiring for Temporary Core Network Engineer jobs?

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

Temporary Core Network Engineer jobs near you

Senior Core Network Engineer

Aspire Broadband Holdings Inc

Moorpark, CA • On-site

$130K - $150K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 13 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