Jobs and Careers
LU

Senior Lead Site Reliability Engineer

Lumen Technologies
HOME, CA, United Statesfull_timeVerifiedPosted 18 Mar 2025

About the role

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 Role

Operates company's complex high traffic, business critical internet site communications and/or network-based (cloud) product systems. Plans, designs, and implements scalable local and wide-area network solutions between multiple platforms and protocols (including IP and VOIP). Responsible for system performance; supports/troubleshoots network issues and coordinates installation of such items as routers and switches with appropriate vendors. Develops tools to automate the deployment, administration, and monitoring of a network system.

Location

This is a work from home position within Canada. 

The Main Responsibilities

  • Acts as a Subject Matter Expert (SME) for enterprise applications as well as their various hosting environments for organizational projects that involve internal customers, including Application Support, Business and Development teams.
  • Ensures enterprise applications are always running effectively, which includes continuous monitoring and alerting with organizational toolsets and ensuring every reasonable effort is made to restore service as quickly as possible in the event of an outage.
  • Responds to non-critical production issues in a timely and proactive manner to ensure they are resolved before impacting the business in a more profound way the escalates into a critical situation.
  • Alerts and accurately reports KPI's on systems status and availability with tuning recommendations if appropriate at regular intervals using log and APM analysis (IE uptime, Mean time to repair, Mean time between repairs, Probability of failure, etc.).
  • Creates detailed design and runtime (runbooks) documents for associated solutions built around current and new technologies.
  • Maintains up-to-date configuration documentation, diagrams, SOPS, work/incident tickets, training materials and other supporting documentation.
  • Provides and implements solutions for application automation and configuration management using orchestration tool sets such as Jenkins to streamline assembly and deployment, reducing delivery time and reduce errors (commonly known as CICD).
  • Ensures effective release management, change management and quality assurance in project lifecycles are maintained for applications using an ITIL centric approach.
  • Engages and collaborates regularly with infrastructure engineering, software engineering, quality assurance, and other organizational teams (both IT and non-IT) to provide status updates and work on both tactical and strategic plans.
  • Demonstrates various application environment tuning abilities, and able to provide solutions to capacity requirements involving those components (JVM, Web Containers, DB Connections, HTTP servers, etc.).
  • Manages production and non-production environments effectively and accounts for differences in each environment for the purposes of deployments, functional testing, and load testing.
  • Participates and/or leads blameless postmortem incident response sessions to work with teams to determine RCA and long-term recommendations for remediation to infrastructure and application code.
  • Ensures adherence to configuration and operating best practices and standards.

What We Look For in a Candidate

Required:

  • Bachelor’s degree or equivalent in engineering, computer science, or related field.
  • 10+ years of related experience required.
  • 2+ years' previous experience with DevOps, GIT, CICD and/or related certifications.
  • 6-8 years of previous experience working with Java/J2EE, Microservices, Spring, SpringBoot, REST APIs, Postman.
  • Experience with an APM solution: AppDynamics (preferred), Dynatrace.
  • Experience working with infr

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Lumen Technologies

View company profile →