Sr Lead Infrastructure Engineer

Lumen Technologies; United States; Remote; USD 132,000 - 185,000; Full time

Benefits offered by this job

Health benefits

Life insurance

Lifestyle perks

Job summary

Lumen Technologies seeks an expert Network Engineer to lead enterprise network design, security, and performance across LAN/WAN/WLAN and cloud environments. This remote US role requires mentoring junior engineers and delivering scalable, secure network solutions.

You will design and implement complex infrastructures, drive SD-WAN initiatives, and collaborate with vendors to ensure high availability and resilience in a fast-moving, AI-focused organization.

Qualifications

• Experience implementing enterprise-level networking services including advanced routing protocols (BGP, OSPF, EIGRP)
• Design and maintenance of SD-WAN environments (Cisco, Palo Alto Networks)
• Knowledge of network hardware configuration and maintenance (Cisco, Arista, Juniper)
• Strong TCP/IP, OSI model and enterprise network architecture understanding
• Cloud networking with AWS, Azure, or Google Cloud, including hybrid/multi-cloud environments
• Automation proficiency with Python or Ansible to improve operations
• Leadership experience mentoring junior engineers and guiding cross-functional teams

Responsibilities

• Design, implement, and maintain complex enterprise network infrastructures (LAN/WAN/WLAN/cloud).
• Drive security initiatives including firewall, VPN, and IDS/IPS configurations.
• Monitor and optimize network performance with advanced diagnostic tools.
• Design, implement, and manage hybrid and multi-cloud network architectures.
• Provide high-level technical guidance and resolve escalations to maintain stability.
• Maintain comprehensive network documentation, diagrams, and SOPs.
• Collaborate with vendors and stakeholders on networking solutions.
• Mentor junior engineers and foster knowledge sharing.
• Plan capacity improvements, failure testing, and disaster recovery strategies.
• Utilize automation tools and scripts to streamline deployments.

Skills

Networking Technologies

SD-WAN

Hardware Knowledge

Networking Principles

Cloud Networking

Automation

Leadership

Job description

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.

This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.

The Role

Provide expert technical direction across multiple and complex systems, including planning,designing, implementing, and maintaining enterprise-level network infrastructure. This role combines advanced networking expertise with collaboration and leadership to ensure optimal network performance, security, and scalability across the organization. The position requires working with cross-functional teams, mentoring junior engineers, and developing innovative solutions for complex networking challenges while maintaining high availability and security standards.

Location

This role is designated as a fully remote position within the United States.

This role is designated as a fully remote position within the United States.

The Main Responsibilities

• Design, implement, and maintain complex enterprise network infrastructures, including LAN, WAN, WLAN, and cloud-based systems, ensuring optimal performance and security.
• Understand and drive network integration requirements for security initiatives, including firewall configurations, VPN implementations, and intrusion detection/prevention systems.
• Monitor and optimize network performance through advanced diagnostic tools, implementing necessary adjustments for enhanced efficiency.
• Design, implement, and manage cloud network architectures, including hybrid and multi-cloud environments, ensuring seamless integration with on-premises systems.
• Provide high-level technical guidance and resolve escalated issues from lower support tiers while maintaining system stability.
• Develop and maintain comprehensive network documentation, including detailed network diagrams, design references, and standard operating procedures.
• Collaborate with technology vendors and stakeholders to implement business-focused networking solutions.
• Mentor and provide technical leadership to junior network engineers while fostering a culture of knowledge sharing.
• Plan and execute network capacity improvements, failure testing, and disaster recovery strategies to ensure business continuity.
• Utilize automation tools and scripts to streamline and improve efficiency for network deployments and operations.

What We Look For in a Candidate

Required Qualifications:

• Networking Technologies: Demonstrated expertise in implementing and managing enterprise-level services including advanced routing protocols (BGP, OSPF, EIGRP), virtual routing (VRFs), and network segmentation.
• SD-WAN: Proven experience in designing and maintaining SD-WAN environments utilizing technologies such as Cisco and Palo Alto Networks.
• Hardware Knowledge: Comprehensive knowledge of network hardware configuration and maintenance, including platforms such as Cisco, Arista, or Juniper.
• Networking Principles: Advanced understanding of TCP/IP networking principles, OSI model, and enterprise network architecture best practices.
• Cloud Networking: Expertise in cloud networking technologies and services, such as AWS, Azure, or Google Cloud, with experience in designing and managing hybrid and multi-cloud environments.
• Automation: Proficiency in network automation tools and scripting languages (e.g., Python, Ansible) to enhance operational efficiency.
• Leadership: Demonstrated ability to lead technical teams and mentor junior engineers while maintaining strong cross-functional relationships.

Preferred Qualifications:

• Network Security: Hands‑on experience with enterprise network security systems, including next‑generation firewalls, IDS/IPS, and DDoS mitigation strategies for at least 3 years.
• Network Load-Balancer: Understanding of network traffic load‑balancing technologies, such as local traffic management and global server load‑balancing.

Compensation

This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors. Location Based Pay Ranges $132,232 - $176,310 in these states: AL AR AZ FL GA IA ID IN KS KY LA ME MO MS MT ND NE NM OH OK PA SC SD TN UT VT WI WV WY $138,844 - $185,124 in these states: CO HI MI MN NC NH NV OR RI $145,456 - $193,940 in these states: AK CA CT DC DE IL MA MD NJ NY TX VA WA Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process.

Life at Lumen is human and connected, even in a fast moving, AI‑focused organization. We set clear expectations and trust people to meet them. With real support and shared accountability, teams collaborate better, move faster, and deliver meaningful outcomes.

Our Lumen 8 behaviors guide how we interact, make decisions, and work together, shaping a culture built to perform and win.

If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page . Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.

Privacy Notice

Lumen is committed to protecting the privacy and security of personal information collected during the recruitment and hiring process. Our ApplicantPrivacy Notice explains how we collect, use, disclose, and protect applicant information, as well as how individuals may request access to or deletion of their personal data.

The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.

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