United States onlyAre you ready to take your network engineering career to the next level by driving innovation, security, and enterprise-scale impact?
Lumos is now hiring a highly skilled and motivated IT Engineer – Infrastructure Network with advanced expertise in Cisco Application Centric Infrastructure (ACI), Palo Alto Firewall administration, and strong proficiency in routing and switching technologies. In this role, you will design, implement, secure, and maintain our enterprise network infrastructure to ensure high availability, scalability, and performance. You’ll also serve as a key technical resource within the Corporate Technology Department, leveraging your expertise to troubleshoot issues, optimize systems, and deliver reliable solutions across both data and voice networks.
Company Summary
Lumos is on a mission to deliver lightning-fast, 100% Fiber Optic internet to the communities that need it most. After the merger of Lumos Networks and North State in 2022, we quickly rose to become a leading fiber internet provider. And as of April 1, 2025, we’ve joined forces with T-Mobile to launch T-Fiber—a joint venture that blends Lumos’ infrastructure expertise with T-Mobile’s national reach to bring fiber to more homes than ever before.
We currently connect over 475,000 homes, businesses, and multi-family buildings across nine states in the East and Midwest. With major growth in markets like Ohio, Alabama, Florida, and Georgia—and a shared goal of reaching 12 to 15 million homes by 2030—Lumos is playing a vital role in closing the digital divide.
Our Mission and Values
At Lumos, we are driven by our commitment to a brighter tomorrow. We take pride in being the first to deliver 100% Fiber Optic Internet for families, small businesses, and communities. We know the possibilities of tomorrow can’t be built on the infrastructure of yesterday. And when we deliver uninterrupted Internet and limitless capacity, we create new opportunities for everyone.
We believe that the past is over, and the future is fast. That’s why we are who we are: the disruptors of the status quo. Guided by our purpose and startup mindset, we step up, move first, and adapt as we go. Here, there’s no hierarchy, only hustle.
We are all servant leaders, confident in our purpose and humble enough to pay close attention to the details. We all have the power to help solve problems and find solutions for our customers and teammates - and we do - by putting people first and doing whatever it takes to build loyalty with our customers and within our team.
We’re passionate about our customers’ experience. Their futures don’t stand still, and neither do ours. We’ll never stop reinventing ourselves to meet our customers’ evolving needs - because we know that our work, delivering 100% fiber optic internet, truly changes people’s lives.
Essential Functions
- Design, deploy, and maintain Cisco ACI fabrics, including tenant configuration, contracts, policies, and integration with virtualization platforms.
- Configure, administer, and optimize Palo Alto firewalls, including security policies, VPNs, threat prevention, and high availability.
- Lead advanced troubleshooting and performance optimization for routing and switching protocols, including BGP, EIGRP, and OSPF.
- Manage and maintain core, distribution, and access-layer network devices to ensure reliable operations across multiple sites.
- Collaborate with security teams to ensure network compliance with industry standards and best practices.
- Monitor network health and performance using enterprise monitoring tools, proactively identifying and resolving issues.
- Provide input on capacity planning, architecture improvements, and technology refresh strategies.
- Create and maintain network documentation, including diagrams, standards, and procedures.
- Serve as a subject matter expert for escalations and mentor junior engineers.
Knowledge, Skills, and Abilities Required
- Bachelor’s degree in computer science, information technology, or related field (or equivalent hands-on experience).
- Minimum of 5 years of experience in enterprise network engineering roles.
Other Experience Requirements
- Demonstrated expertise with Cisco ACI (design, implementation, and operations).
- Proven experience administering and securing Palo Alto Networks firewalls (PAN-OS, Panorama).
- Strong background in routing and switching protocols: BGP, EIGRP, OSPF, VLANs, and spanning-tree.
- Hands-on experience with layer 2/3 troubleshooting, packet capture, and traffic analysis tools.
- Solid understanding of network security concepts including segmentation, threat detection, and zero-trust principles.
- Familiarity with high availability and disaster recovery networking designs.
Preferred Qualifications
- Preferred Certifications:
- CCNP
- CCIE
- PCNSE
- Experience integrating Cisco ACI with virtualization platforms (VMware, Hyper-V, or cloud environments).
- Scripting or automation experience (Python, Ansible, etc.) for network operations.
- Experience with SD-WAN technologies and next-generation network architecture.
- Knowledge of compliance frameworks (e.g., PCI-DSS, HIPAA, NIST).
- Strong analytical and problem-solving skills with the ability to troubleshoot complex environments.
- Excellent written and verbal communication skills, including documentation and reporting.
- Basic project management skills, including task prioritization and meeting deadlines.
- Self-motivated and able to work effectively with minimal supervision.
- Strong commitment to continuous learning and professional development.
Physical Requirements
- Regular use of computers, phones, and standard IT equipment.
- The ability to move and transport equipment weighing up to 50 lbs.
- Frequent standing, walking, bending, and reaching during equipment installation or servicing.
- Travel to Lumos locations as needed, including occasional overnight stays.
- Work in office, field, and construction site environments in various weather conditions.
- Continuous use of vision, hearing, speech, and reasoning to perform job duties.
Benefits Perks
Our commitment to communities includes recruiting and rewarding the Lumos team members who are working together to build a brighter tomorrow.
We have:
- 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.
At Lumos we recruit, hire, employ, train, promote, and compensate individuals based on job-related qualifications and abilities. We have a longstanding policy of providing a work environment that respects the dignity and worth of each individual and is free from all forms of employment discrimination, including harassment, because of race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. We will provide reasonable accommodation to qualified individuals with disabilities or based on a sincerely held religious belief, in accordance with applicable laws.
