Senior IT Infrastructure Engineer
Denver, Denver County, Colorado, 80285, USA
Listed on 2025-12-30
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IT/Tech
Systems Engineer, Cloud Computing
About Lumen
Lumen connects the world. We are igniting business growth by connecting people, data and applications – quickly, securely, and effortlessly. Together, we are building a culture and company from the people up – committed to teamwork, trust and transparency. People power progress.
We’re looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape the future.
The RoleWe are seeking a highly skilled Senior IT Infrastructure Engineer to join our Internal Network Services team. This role is responsible for planning, designing, implementing, and maintaining enterprise-level network and infrastructure systems to ensure reliability, scalability, and security across the organization. A key focus will be circuit provisioning for network connectivity, along with application management tasks supporting business-critical systems. The ideal candidate will also bring a strong interest in cloud technologies and automation scripting to help modernize and streamline infrastructure operations.
This position requires solid technical skills, problem‑solving ability, and collaboration with cross‑functional teams to deliver effective solutions while maintaining high availability and security standards.
This is a work from home position from anywhere within the US.
The Main ResponsibilitiesDesign, implement, and maintain enterprise infrastructure solutions, including servers, storage, virtualization, networking, and cloud‑based systems.
Provision and manage network circuits, ensuring timely activation, configuration, and accurate documentation.
Perform application management tasks, including installation, configuration, patching, and troubleshooting for supported enterprise applications.
Monitor and optimize system performance, capacity planning, and disaster recovery strategies.
Collaborate with cross‑functional teams and vendors to support deployments, upgrades, and business‑focused solutions.
Ensure compliance with security standards and implement best practices for system hardening.
Document processes, configurations, and architecture for operational excellence.
Contribute to infrastructure‑as‑code initiatives for network, server, and database deployments.
Utilize automation tools and scripting to streamline deployments and improve operational efficiency.
Contribute to modernization efforts by leveraging cloud technologies and integration with on‑premises systems.
Strong background in application management, including installation, configuration, patching, and troubleshooting.
Solid understanding of networking fundamentals, virtualization (VMware, Hyper‑V), and Windows/Linux environments.
Familiarity with cloud platforms (Azure, AWS) and experience with automation scripting (Power Shell, Python) to streamline operations.
Understanding of database systems, including security policies, user access, performance, and troubleshooting.
Experience with application management, including installation, configuration, patching, and troubleshooting.
Knowledge of security best practices, backup solutions, and disaster recovery planning.
Excellent problem‑solving skills and ability to work collaboratively across teams.
Understanding of enterprise network security systems, including firewalls, IDS/IPS, and DDoS.
Experience with circuit provisioning and vendor coordination for network connectivity.
Familiarity with monitoring tools such as Solar Winds and Nagios for proactive system management.and Industry certifications such as Microsoft Certified:
Azure Administrator, VMware VCP, or similar credentials.
Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
5+ years of experience in IT infrastructure engineering or systems administration.
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:
$82,969 - $110,625 in these…
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