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Lumen Cloud Virtualization Engineer - Broomfield, CO/Littleton, CO in BROOMFIELD, Colorado

About Lumen

Lumen is guided by our belief that humanity is at its best when technology advances the way we live and work. With 450,000 route fiber miles serving customers in more than 60 countries, we deliver the fastest, most secure global platform for applications and data to help businesses, government and communities deliver amazing experiences. Learn more about Lumen’s network, edge cloud, security and communication and collaboration solutions and our purpose to further human progress through technology at, LinkedIn: /lumentechnologies, Twitter: @lumentechco, Facebook: /lumentechnologies, Instagram: @lumentechnologies and YouTube: /lumentechnologies.

The Role

This Senior Lead Network Engineer position requires extensive experience in engineering, software development, systems administration, testing, and managing distinct environments: Development, QA-Test, and Preproduction of Software Defined Networking (SDN)/Network Function Virtualization (NFV), and Edge Compute platforms. The candidate will also perform software engineering, development, and automation of Virtualization OpenStack, and Kubernetes environments. This includes managing all aspects of the engineering, automation, CI/CD, which includes monitoring, resolution, administration, and engineering of multiple private edge compute virtualization environments. This role includes designing high-performing, scalable software, geographically redundant, and system solutions that must handle a high volume of transactions, throughput, and sessions. The ideal Senior Lead Network Engineer will be a great motivator who can thrive in an Agile environment, with a consistent drive to find ways to improve the process, technology, and fellow employees.

Responsible for development, automation, improving and maintaining our DEV, QA-Test, and Pre-Production infrastructure ensuring availability, security, and scalability. The focus is on continuously improving the speed and efficiency of the environment and the systems required to support it. Extensive experience in automation and Test/Behavior Driven Development (T/BDD) should be part of your operating DNA, where documentation and peer-review of your code are paramount to your success. This individual must be comfortable in a team environment and be willing to manage multiple tasks. The candidate should be a self-starter with the ability to complete tasks without a great deal of handholding.


Engineer, develop, automate, test, and certify Virtualization Platforms and Infrastructure solutions to meet diverse and complex business opportunities. Provide advanced technical leadership in software engineering, development, testing, research, design, analysis, and problem-solving efforts to the Virtualization and Edge Compute products and services. The software engineering, testing, and certification scope include Edge Compute, Storage, Networking and Virtualization Software such as OpenStack and Kubernetes solutions, supporting various Network Function Virtualization (NFVi) infrastructure-based Virtual Network Functions (VNFs) customers.

The Main Responsibilities

The Senior Lead Network Engineer will interface with various organizational units from Marketing, Products, Architecture, Development to Operations, providing key software architectures, engineering, inputs, and solutions to automation, testing, integration, and certification requirements. The Senior Lead Network Engineer represents the Virtualization Engineering, Test and Certification organization, from product inception to operational hand-off/market deployment of the products and services.


  • Work closely with our development teams to support and provide the necessary tools and resources for a wide range of product initiatives

  • Contribute to creating and maintaining scalable infrastructure leveraging modern Cloud Operating environments, and products

  • Make meaningful infrastructure automation improvements

  • Work on containerizing and auto-scaling infrastructure components

  • Maintain expertise in current and emerging technologies and tools

  • Participate in daily scrum and planning as part of our agile practices

  • Collaborate with DevOps team to roll out and automate configuration and release of builds to Production, from Dev, QA-Test, and Preproduction environments using Jenkins CI/CD pipeline.

  • Research, selection, planning, and implementation of new technologies to support scaling of applications to meet customer and business needs.

  • Develop automation tools and scripts to assist with routine maintenance tasks.

  • Large Scale Data Center Bare-Metal servers deployment experience of automated Operating Systems (FreeBSD, Linux) installations using PXE Boot, Kickstart, or Canonical using IPMI, LOM, iDRAC tools.

  • Manage FreeBSD, Linux (CentOS, Ubuntu, Debian), and related open-source applications (apache, bind, postfix, memcache, mysql, postgresql, etc.).

  • Plan and support the implementation of major architectural and engineering changes.

  • Support for all related virtualization products and triage any issues that come up.

  • The candidate must be able to partner and work in a team environment.

  • Proactive and reactive performance engineering, analysis, monitoring, troubleshooting, and resolution of technical issues

  • Document frequently of systems, applications, engineering tasks, tests, and processes in Atlassian Confluence & Jira

  • Consistently find innovative ways to develop and improve video application software architectures, processes, and technology, with ownership and accountability

  • Map product requirements, develop design and engineering requirements documents and connect to business requirements

  • Produce High-Level, Low-Level Design (HLD/LLD) and Technical Requirements Documents, Test Plans, Executive Presentations of Architectures, Test Results and Designs of Virtualization Service Delivery platform

  • Strong leadership skills, with the ability to communicate effectively under pressure and coach, mentor, and lead teams to execute large development projects

  • Customer focused on all aspect of work including project execution and deliveries with business acumen and understand the landscape for delivering a competitive and just-in-time product to the marketplace

What We Look For in a Candidate


  • Bachelor’s degree in Computer Science (Master’s preferred) or Computer Engineering or EE or equivalent education and relevant Enterprise or Internet Service Provider (ISP) experience. Minimum of 10+ years related experience.


  • Strong working experience in OpenStack and Kubernetes Cloud Operating Systems

  • Intimately familiar with VMware, VirtualBox, KVM, and LXC, Docker/Containers

  • GitHub, Jira, Confluence, X-Ray, Jenkins, Robot, and other CI/CD automation systems

  • Automate and continuous delivery of applications, container, security, compliance, infrastructure using tools such as Ansible

  • Scalable & Redundant Network Storage Files Systems: CEPH, S3, GPFS, and GlusterFS

  • Extensive experience in FreeBSD, Linux, and open-source tools, debugging tools such as dtrace, bpftrace, strace, ltrace

  • Proficient in coding, compiling open-source tools from various FreeBSD ports, and Linux repositories

  • Establish developer workflow and code review process with Atlassian software tools such as Jira, Confluence, GitHub, Bitbucket. Implement continuous integration testing and release

  • Thorough understanding of Standards-based documents and proposals: IEEE, ITU-T, ISO, Internet Standards: W3C and IETF RFCs

  • Working knowledge of core Internet protocols and services (e.g., IPv4, IPv6, TCP, UDP, NTP, DNS, HTTPS, SMTP, SSH, syslog) required.

  • Strong experience with and understanding of virtualization (KVM, Xen, Bhyve, etc.).

  • Experience with Active Directory and related protocols desired (e.g. RADIUS, TACACS+, Kerberos, LDAP, NTP, Samba, etc.).

  • Experience with large scale DNS and Mail systems (experience with Postfix or Sendmail required).

  • Experience with DevOps methodologies and automation tools (Ansible, Puppet, Chef, etc.)

  • Experience with NAS/CEPH/Gluster Storage infrastructure desired.

  • Extensive experience in GitHub and Software Release management best practices

  • Must have a strong background and experience troubleshooting and debugging embedded code, operating systems, and applications.

  • Must be able to work under pressure in restoring high priority systems to operations.

  • Extensive experience in Ixia or Spirent hardware and software-based benchmarking and performance test solutions

  • Excellent written and verbal communication skills. Ability to describe in detail the steps and approach taken to complete your tasks.

Programming Languages and Kernel Development

  • Embedded C, C++, Java, Go, Ruby, and Python

  • IDEs: Eclipse, Visual Code Studio, Postman

Certifications (Desired)

  • RedHat Certified Systems Administrator (RHCSA), RedHat Certified Engineer (RHCE), Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKSS)

Requisition #: 238735

EEO Statement

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, 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.


The above job definition information has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Job duties and responsibilities are subject to change based on changing business needs and conditions.

Salary Range

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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.

This position is eligible for either short-term incentives or sales compensation. Director and VP positions also are eligible for long-term incentive. To learn more about our bonus structure, you can view additional information here. ( We're able to answer any additional questions you may have as you move through the selection process.

As part of our comprehensive benefits package, Lumen offers a broad range of Health, Life, Voluntary Lifestyle and other benefits and perks that enhance your physical, mental, emotional and financial wellbeing. You can learn more by clicking here. (

Note: For union-represented postings, wage rates and ranges are governed by applicable collective bargaining agreement provisions.

Salary Range

Salary Min :


Salary Max :


This information reflects the base salary pay range for this job based on current national market data. Ranges may vary based on the job's location. We offer competitive pay that varies based on individual experience, qualifications and other relevant factors. We encourage you to apply to positions that you are interested in and for which you believe you are qualified. To learn more, you are welcome to discuss with us as you move through the selection process.