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Lumos

Senior Engineer – Core Network

Lumos

Sr. Engineer focused on enhancing Lumos Fiber's IP routing and network reliability.

Posted 6/12/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies
LinuxMySQLPostgres

About the role

Key responsibilities & impact
  • Design, implement, and support core IP routing infrastructure and related network services.
  • Evaluate, lab test, and validate new technologies, platforms, and service offerings to support network growth and performance objectives.
  • Design and implement network security enhancements and infrastructure hardening initiatives.
  • Develop technical requirements and engineering standards for commercial products and network services.
  • Create and maintain best practices, design standards, and documentation for current and future network architectures.
  • Identify opportunities to improve network reliability, scalability, and operational efficiency.
  • Provide Tier IV support for complex network and customer-impacting issues, serving as a technical escalation point across the organization.
  • Partner with Network Operations, Field Operations, Product, Sales Engineering, and Customer Support teams to troubleshoot and resolve service issues.
  • Analyze recurring network issues and develop long-term solutions that improve network stability and customer experience.
  • Research, test, and implement operating system upgrades, patches, and infrastructure improvements.
  • Support strategic initiatives related to IPv6 deployment, routing optimization, network automation, and service innovation.
  • Participate in industry events, vendor demonstrations, and technical training to remain current on emerging technologies and industry trends.

Requirements

What you’ll need
  • 7+ years of experience in network engineering, core network operations, or related telecommunications engineering roles.
  • Bachelor’s degree in Engineering, Computer Science, Information Technology, or a related field preferred; equivalent experience will be considered.
  • CCNP (Cisco Certified Network Professional) certification or equivalent hands-on experience supporting enterprise or service provider networks.
  • Strong expertise in IP routing, carrier-grade networking, and ISP network operations.
  • Experience designing, implementing, and supporting IPv6 network environments.
  • Experience with virtualization technologies and virtualized network infrastructure.
  • Strong working knowledge of Linux operating systems and administration.
  • Experience working with MySQL and PostgreSQL database structures and environments.
  • Deep understanding of routing protocols, network architecture, security principles, and network performance optimization.
  • Strong written and verbal communication skills with the ability to explain technical concepts to both technical and non-technical audiences.

Benefits

Comp & perks
  • Comprehensive health, dental, and vision coverage.
  • Competitive compensation packages, including bonus options for eligible positions.
  • Paid Time Off & Paid Holidays.
  • Health Savings Accounts (HSAs) and Flexible Spending Accounts (FSAs).
  • 100% employer-paid life and disability insurance.
  • Employee Assistance Program (EAP) with access to professional support for life’s challenges.
  • 401K plan w/ up to 5% employer contribution and a self-directed brokerage option.
  • Wellness program offering education and cash incentives for gym attendance and nutrition programs.
  • Employee referral bonuses.
  • Discounts on Lumos Fiber Internet for employees who live in our service areas.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
IP routingnetwork securitynetwork automationIPv6LinuxMySQLPostgreSQLrouting protocolsnetwork architecturenetwork performance optimization
Soft Skills
communicationproblem-solvingcollaborationtechnical escalationdocumentationanalytical skillscustomer experience focusteamworkadaptabilitytraining
Certifications
CCNP