Role

We are looking for a Principal Sales Engineer to join our team located in the South. This role will report to the Director of Sales Engineering for the Americas Field Sales team.

You will be responsible for architecting technical solutions that directly address and resolve critical customer pain points.

What you’ll do (Role Expectations)

• Overseeing the technical sales process
• Running Proof of Value from start to finish, as the technical and industry expert
• Collaborating and supporting internal Zscaler teams

Who You Are (Success Profile)

• You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution.
• You are a problem-solver. You seek out challenges because you are energized by finding solutions, knowing that solving the hard problems delivers the biggest impact.
• You are customer-obsessed. You build deep empathy for the customer—both internal and external—and anchor your decisions in solving their real-world problems. You champion their needs from start to finish, knowing their success is our success.
• You champion simplicity. You are skilled at distilling complex problems, user needs, and technical concepts into clear, simple, and actionable plans. You are a precise communicator who brings clarity and focus to every interaction.
• You are resilient and adaptable. You view change as an opportunity and setbacks as temporary. You maintain composure and focus in high-pressure situations, guiding yourself and your team through complexity with a steady, positive hand.

What We’re Looking for (Minimum Qualifications)

• Bachelor's Degree or equivalent experience
• 10+ years of experience as a Sales Engineer or Systems integrator
• Knowledge of network security technologies

What Will Make You Stand Out (Preferred Qualifications)

• Industry certifications including CCNP, JNCIP, PCNSA, CISSP, or CCSP
• Experience working with large enterprise and major accounts

#LI-Remote

#LI-EV1

Lumos is looking for a full-time OSP Construction Project Engineer! If you are an experienced telecom construction professional who’s excited for a fast-paced experience, ready to help us grow, and ready to recommend process changes that ensure we’re harnessing our technology to the best of our ability while broadening our ability to set up and maintain our service, we want to hear from you!

Our OSP Construction Project Engineers build relationships with subcontractor partners to facilitate the Outside Plant (OSP) Construction & installation of our network within a specific market - tracking all projects for safe, on-time completion in alignment with budget parameters. Lumos’s critical infrastructure builds encompass poles, areal, buried, & underground fiber facilities. Our CPEs must reside within commutable distance of the assigned market - frequent onsite presence is essential.

***Hybrid Position*** Requires regular presence onsite at multiple jobsites in market. Successful candidates must reside within market or within 1 hour commuting distance from Benton County, AR. Company vehicle + Mobile phone provided. Valid, fully unencumbered Driver’s License required.

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

• Builds and maintains relationships with local subcontractor and other partners to manage OSP crews’ activity - accomplishing required work safely, on time & within budget.
• Tracks crew progress and reports on it to internal teams, picking up whatever is required & delivering critical information to ensure leadership understands real-time job progress.
• Partners with & monitors OSP subcontractor crews to drive a safety culture at worksites.
• Ensures OSP subcontractor crews meet NESC code for aerial construction.
• Partners with internal teams on materials forecasting, scheduling, and other activities.
• Coordinates with internal and external teams on all permit needs.
• Complies with all safety regulations & requirements to maintain a successful safety record.
• Performs other duties as assigned, including departmental & cross-functional projects.

Knowledge, Skills, and Abilities Required

• Excellent verbal and written communication skills.
• Strong interpersonal, relationship building & influencing skills.
• Proven project management experience – running multiple concurrent projects across a geographic area by travelling, working onsite & remotely as required.
• Strong knowledge of OSHA rules, site safety, National Electric Safety Code (NESC) requirements, and associated construction and telecommunications federal and local regulations.
• Able to work independently & collaboratively in a fast-paced environment.
• Demonstrates strong work ethic – reporting promptly & consistently, and with a sense of urgency based on deadlines and competing priorities.

Other Experience & Requirements

• 5+ years’ technical experience working in OSP Engineering, Construction, or Operations.
• High school diploma or equivalent required; Associates or Bachelor’s degree preferred.
• Valid, fully unencumbered Driver’s License required.
• Proactive, independent, and ability to take initiative to keep on-task and on-target.
• Fiber or Telecom industry experience essential.

Physical Requirements

• Frequent time spent walking, standing in the elements at construction worksites.
• Must utilize appropriate clothing and footwear to maintain safety.
• Frequent sedentary periods using computer, keyboard, and other peripherals.
• Near-constant use of sight, speech, hearing, comprehension, and reasoning.

Infrastructure Engineer Summary:  

Tenstreet is a fast-growing, market-dominating SaaS-based solutions provider to the trucking industry. Tenstreet’s platform is hosted between its own hardware within a colocation facility and multiple cloud providers. Tenstreet’s Infrastructure team handles everything necessary to manage a highly scalable and secure environment, including specifying, purchasing, implementing, administering, securing, and monitoring hardware, software, and third-party services. This position is a hybrid role that will require trips to the corporate location in Tulsa, Oklahoma as well as days spent working in a co-working facility in NW Arkansas. 

Our infrastructure engineering team has broad expertise in on-prem and cloud architecture, performance, security, system administration, network administration and analysis, database administration, automation, incident response, troubleshooting, access control, and audit. 

A perfect fit for this Infrastructure Engineer position isn’t a person who already has deep experience with every specific tool and technology we use in our environment (some of which are mentioned below). 

Rather, our perfect fit is a person who has a demonstrated ability to learn, implement, and manage technologies that may be new to the person.  Further, this is a person who makes sound decisions and gets stuff done. The Infrastructure Engineer works within an established framework of standards and procedures but operates with tremendous autonomy and responsibility. 

As an Infrastructure Engineer you’ll be specifically responsible for: 

• On premises and cloud server and service administration, including the designing, building, monitoring, and securing of various Linux virtual servers and containers.
• Managing our NetApp storage tier and other file servers.
• Using tools such as Ansible Automation Platform to automate routine activities (server building and provisioning, administration activities, configuration management, etc.)
• Working with our development and product teams to ensure the infrastructure scales and meets the needs of the business
• Using monitoring and analysis tools such as Datadog and Wazuh IDS to collect and analyze system performance metrics for capacity planning, proactive response, and troubleshooting.
• The application and oversight of information security controls across various operating environments.
• Understanding and assisting in the management of our network infrastructure, including firewalls, switches, and third-party services such as Cloudflare for WAF/DDOS. 

More broadly, as an Infrastructure Engineer, you’ll be responsible for: 

• Building and supporting resilient and scalable systems that achieve high availability.
• Managing environmental and architectural changes with a mind to maximize the pace of implementation without compromising security or functionality.
• Identifying technological and procedural impediments to Tenstreet, devising solutions to improve the company’s effectiveness.
• Coherently communicating technical topics and concerns to a diverse assortment of internal and external audiences.
• Administration of a variety of applications and services for both internal and external users.
• Balancing the need to "keep things running" with allocating time to system enhancements and new strategic initiatives.
• Mentoring or training other team members and colleagues from other roles.
• Participating in on-call rotations.
• Troubleshooting and resolving production issues (hardware/software/applications).   

You might be a good fit as an Infrastructure Engineer if you: 

• Have demonstrated the ability to learn new technologies that may or may not be related to what you already know.
• Make sound decisions and work well both autonomously and with a team. 
• Have at least 3-5 years’ experience in Linux systems administration, especially coming from a DevOps-oriented background.
• Have experience with an assortment of common applications and protocols, such as Apache, MySQL, NFS, Squid, Redis, Docker, DHCP, SSH, DNS, LDAP, SMTP, etc. 
• Have some software development and scripting experience, preferably using common interpreted languages (PHP, Perl, Python, Ruby, etc.)
• Have a knack for problem solving, asking the right questions and gathering the right data to take appropriate action.
• Have experience with configuration management and automation tools (Ansible preferred).
• Have a thorough understanding of networking concepts (OSI model, NAT, VLANs, packet filtering, application proxies, etc.)
• Are comfortable working alone when necessary, hunting down answers, thinking critically and solving problems.
• Play well with others and have learned to collaborate, disagree, compromise, and build new things with a team.
• Can juggle multiple projects with competing priorities in a fast-paced environment. 
• Can communicate well and can walk others through complex processes and problems easily and naturally. This includes both written and verbal communications.
• Jump at the chance to deploy automated solutions to eliminate toil. 

What we’ll provide you:    

• A great compensation plan  
• A positive and generative work environment enabling you to develop your skills, collaborate with other professionals and invest in others.   
• A work community that strives to take great care of you through great benefits like health insurance, dental, vision, 401k, PTO and others.