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Senior Cs Core Network Engineer Jobs (NOW HIRING)

Wideopenwest

Principal Engineer, Core Network

Denver, CO · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule ... Mentoring both junior and senior engineers to raise the team's collective technical expertise

Spry Methods

Senior Network Engineer

Washington, DC

$120K - $140K/yr

The Senior Network Engineer provides advanced engineering, operational, and advisory support for ... This role adds technical leadership to the core network engineering scope, with emphasis on ...

Wow

Principal Engineer, Core Network

Charleston, SC

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule ... Mentoring both junior and senior engineers to raise the team's collective technical expertise

Wow

Principal Engineer, Core Network

Huntsville, AL · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule ... Mentoring both junior and senior engineers to raise the team's collective technical expertise

Wow

Principal Engineer, Core Network

Denver, CO

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule ... Mentoring both junior and senior engineers to raise the team's collective technical expertise

Wow

Principal Engineer, Core Network

Augusta, GA · On-site

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule ... Mentoring both junior and senior engineers to raise the team's collective technical expertise

Wow

Principal Engineer, Core Network

Augusta, GA

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule ... Mentoring both junior and senior engineers to raise the team's collective technical expertise

Parsons Corporation

Senior Network Engineer

Aberdeen, MD · On-site

$111K - $153K/yr

The Senior Network Engineer will plan, support, and evaluate complex network systems; provide ... Strong expertise in network architectures, routing/switching, and core network protocols

Leidos

Senior Network Engineer

Wahiawa, HI

$116K - $210K/yr

Senior Network Engineer - Drive Innovation Across a Global Mission Network Leidos is seeking a ... What You'll Do As a senior technical leader, you'll take ownership of core network infrastructure ...

Leidos

Senior Network Engineer

Wahiawa, HI · On-site

$116K - $210K/yr

Senior Network Engineer - Drive Innovation Across a Global Mission Network Leidos is seeking a ... What You'll Do As a senior technical leader, you'll take ownership of core network infrastructure ...

ECS

Senior Network Engineer

Fairfax, VA · On-site +1

$120K - $160K/yr

ECS is seeking a Senior Network Engineer to work remot ely. ECS is seeking a highly skilled Network ... Manage core networking components, including routers, switches, firewalls, and load balancers

ECS Tech Inc

Senior Network Engineer

Fairfax, VA · Hybrid

$120K - $160K/yr

ECS is seeking a Senior Network Engineer to work remot ely. ECS is seeking a highly skilled Network ... Manage core networking components, including routers, switches, firewalls, and load balancers

USM

JB061530 - Senior AWS Network Engineer

$107K - $146K/yr

Senior AWS Network Engineer Role Summary CS Disco is seeking Senior AWS Network Engineers to execute a large-scale redesign and segmentation of its AWS networking environment as the company ...

USM

JB061530 - Senior AWS Network Engineer

$107K - $146K/yr

Senior AWS Network Engineer Role Summary CS Disco is seeking Senior AWS Network Engineers to execute a large-scale redesign and segmentation of its AWS networking environment as the company ...

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All JobsSenior Cs Core Network Engineer Jobs

Senior Cs Core Network Engineer information

See salary details

$42.5K

$123.8K

$175K

How much do senior cs core network engineer jobs pay per year?

As of Jul 1, 2026, the average yearly pay for senior cs core network engineer in the United States is $123,786.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $142,500.00 per year, depending on experience, location, and employer.

What are Senior CS Core Network Engineers?

Senior CS Core Network Engineers are experienced professionals who design, implement, and maintain the core elements of a telecommunications network, specifically the Circuit Switched (CS) core. They ensure reliable voice and data communication by managing network components such as MSCs (Mobile Switching Centers), HLRs (Home Location Registers), and gateways. Their responsibilities also include troubleshooting, optimizing network performance, integrating new technologies, and supporting large-scale network upgrades. Typically, these engineers work closely with other network teams and vendors to maintain service quality and network security.

How does a Senior CS Core Network Engineer typically collaborate with cross-functional teams during network upgrades or optimizations?

As a Senior CS Core Network Engineer, you will frequently collaborate with teams such as radio network engineers, transmission specialists, and IT support during network upgrades or optimization projects. This collaboration involves joint planning sessions, troubleshooting calls, and integrating solutions to ensure seamless voice and data services. You’ll often act as a technical lead, coordinating with vendors and internal stakeholders to implement changes with minimal service disruption. Effective communication and documentation are key, as you’ll need to translate complex core network requirements into actionable tasks for other teams.

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

To thrive as a Senior CS Core Network Engineer, you need deep expertise in mobile core network architecture, signaling protocols (such as SS7, SIP, and Diameter), and a relevant engineering degree. Experience with core network equipment (e.g., Ericsson, Huawei, Nokia), network monitoring tools, and certifications like CCNP or vendor-specific credentials are typically required. Strong analytical thinking, problem-solving abilities, and effective communication help you collaborate with cross-functional teams and troubleshoot complex issues. These skills ensure reliable network performance, rapid resolution of outages, and the successful implementation of new services in telecom environments.

What is the difference between Senior Cs Core Network Engineer vs Network Operations Center (NOC) Engineer?

AspectSenior Cs Core Network EngineerNetwork Operations Center (NOC) Engineer
CertificationsCCNA, CCNP, Cisco certificationsCCNA, Network+
Work EnvironmentDesign, optimize, and troubleshoot core network infrastructureMonitor, maintain, and support network systems
Industry UsageTelecommunications, ISPs, large enterprisesTelecom providers, managed service providers

The Senior Cs Core Network Engineer focuses on designing and maintaining core network infrastructure, requiring advanced certifications and technical expertise. In contrast, a Network Operations Center (NOC) Engineer primarily monitors and supports existing networks, often working in a 24/7 environment. Both roles are vital in telecommunications and large enterprise networks but differ in scope and responsibilities.

What cities are hiring for Senior Cs Core Network Engineer jobs? Cities with the most Senior Cs Core Network Engineer job openings:
What are the most commonly searched types of Cs Core Network Engineer jobs? The most popular types of Cs Core Network Engineer jobs are:
What states have the most Senior Cs Core Network Engineer jobs? States with the most job openings for Senior Cs Core Network Engineer jobs include:
Senior Cs Core Network Engineer jobs near you

Principal Engineer, Core Network

Wideopenwest

Denver, CO • On-site

$160K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 3 days ago

Job description

Principal Engineer, Core Network
Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to regularly commute to work as required. This is not a fully remote opportunity.
The Opportunity
We're looking for a Principal Engineer, Core Network to serve as the lead architect and technical visionary for our global network infrastructure.
In this highly impactful role, you will drive the evolution of next-generation networking technologies - including Segment Routing - while leveraging deep expertise in OSPF, ISIS, BGP, and MPLS to solve complex connectivity challenges at scale.
This is more than a technical leadership position. As a Principal Engineer, you'll play a critical role in shaping network strategy, ensuring stability and performance across enterprise-grade environments, and mentoring engineering talent to elevate the organization's technical capabilities. You'll bridge high-level business priorities with scalable, resilient, and increasingly automated network execution.
Compensation & Benefits
  • Salary: Up to $160,000 depending on experience

  • Medical, dental, and vision insurance

  • 401(k) with company match

  • Paid Time Off (PTO) and paid holidays

  • Tuition reimbursement, flexible spending and health savings account options

  • Employee discounts on WOW! services in applicable service areas

  • Career development opportunities and the ability to make a meaningful impact within a growing organization

What You'll Do
You will be responsible for designing, scaling, optimizing, and modernizing high-availability network infrastructure, including:
  • Designing and scaling high-availability service provider or enterprise-grade networks
  • Leading the transition to next-generation network architectures, including Segment Routing
  • Optimizing core routing protocols including:
    • OSPF
    • ISIS
    • BGP

    to improve overall network performance and stability
  • Architecting and maintaining MPLS-based services, including:
    • RSVP-TE
    • LDP
  • Serving as the final escalation point during critical, large-scale network outages
  • Mentoring both junior and senior engineers to raise the team's collective technical expertise
  • Driving automation initiatives to reduce manual configuration efforts and minimize human error
  • Performing additional duties as assigned

What You Bring
Minimum Required Education & Experience
  • 7+ years of experience in large-scale network engineering and architecture
  • Expert-level mastery of Link State routing protocols, including:
    • OSPF
    • ISIS
  • Deep expertise in BGP, including:
    • iBGP
    • eBGP
    • Communities
    • Policy Routing
  • Advanced knowledge of MPLS, including:
    • L2/L3 VPNs
    • Multicast
    • RSVP traffic engineering
  • Strong understanding of:
    • Network Security
    • Quality of Service (QoS)
    • High-Availability Network Design
  • Bachelor's or Associate degree in a field related to Computer Networking

Skills & Abilities for Success in This Role
Strategic Foresight
The ability to anticipate how architectural decisions made today will impact business performance and scalability over the next 3-5 years.
Influential Leadership
Confidence navigating complex stakeholder environments and building alignment around major infrastructure investments - even without direct authority.
Decisive Crisis Management
A calm-under-pressure mindset with the ability to lead teams through high-impact outages and restore service quickly and effectively.
Effective Mentorship
A genuine passion for developing engineering talent and helping junior team members grow into senior technical leaders.
Analytical Troubleshooting
A methodical, data-driven approach to solving highly complex networking challenges using logic, analysis, and packet-level insights.
Cross-Functional Communication
The ability to translate technical network concepts into business value for executives, stakeholders, and non-technical partners.
Physical Demands & Working Conditions
The physical demands described below are representative of those required to successfully perform the essential functions of this role. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.
  • Regularly required to talk and hear
  • Required to use hands to type, handle objects, and manage paperwork
  • Required to use close vision and maintain focus
  • Ability to participate in on-call rotations, including occasional overnight and weekend work
  • Ability to travel occasionally

All qualified applicants will receive consideration for employment
without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran

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