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CenturyLink SR LEAD SOFTWARE DEVELOPER / High Performance Linux/C Web Caching in BROOMFIELD, Colorado

CenturyLink (NYSE: CTL) at http://www.centurylink.com is a global communications and IT services company focused on connecting its customers to the power of the digital world. CenturyLink offers network and data systems management, big data analytics, managed security services, hosting, cloud, and IT consulting services. The company provides broadband, voice, video, advanced data and managed network services over a robust 265,000-route-mile U.S. fiber network and a 360,000-route-mile international transport network. Visit CenturyLink at http://www.centurylink.com/ for more information.

Job Summary

Be a part of the team that is responsible for the architecture, analysis, design, and development of Content Delivery Network software. Work on high-performance distributed systems deployed on a massive scale unmatched in almost any corporate computing environment. You will be responsible for developing automated testing that is vital for ensuring the quality and performance of our products. Development is primarily in Python in the PyTest framework on Linux.

Job Description

  • Designs, develops, maintains, and supports new and existing automated test code, frameworks, and infrastructure.

  • Collaborates with product developers in a fast-moving agile team to define and implement effective and efficient automated tests on Linux.

  • Reviews peers' designs and code.

  • Documents own work to promote transparency and reuse.

  • Understands a complex distributed system end-to-end.


  • Bachelor's degree or higher in CS or similar field, with 5+ years professional experience, or 2-3 years with a Master's Degree

  • Experience developing and/or testing complex performance-sensitive distributed systems

  • Experience with automated testing, preferably in python using pytest

  • Solid knowledge of Python on Linux

  • Detailed working knowledge of web protocols such as HTTP family, DNS, SSL/TLS

  • Outstanding initiative, self-motivation and drive; comfortable learning and working in a team; excellent written and verbal communication skills; ability to estimate, plan, prioritize and multitask

The ideal candidate will also have:

  • Ability to work in Lua and Go languages

  • Detailed knowledge of web service, web caching, content delivery, and related technologies and protocols


Bachelors or Equivalent in Computer Science

Masters or Equivalent in Computer Science

Alternate Location: US-Arizona-Phoenix; US-Arizona-Scottsdale; US-Arizona-Sedona; US-Arizona-Tempe; US-Arkansas-Fayetteville; US-California-El Segundo; US-California-Irvine; US-California-Los Angeles; US-California-San Diego; US-California-San Francisco; US-California-San Jose; US-California-Thousand Oak; US-Colorado-Boulder; US-Colorado-Broomfield; US-Colorado-Denver; US-Colorado-Littleton; US-Florida-Ft Lauderdale; US-Florida-Jacksonville; US-Florida-Naples; US-Florida-Orlando; US-Georgia-Alpharetta; US-Georgia-Atlanta; US-Illinois-Chicago; US-Indiana-Indianapolis; US-Kansas-Overland Park; US-Massachusetts-Boston; US-Michigan-Detroit; US-Minnesota-Eagan; US-Minnesota-Eden Prairie; US-Minnesota-Minneapolis; US-Missouri-St Louis; US-Nevada-Las Vegas; US-Nevada-North Las Vegas; US-Oregon-Portland; US-Texas-Austin; US-Texas-Dallas; US-Texas-Fort Worth; US-Texas-Houston; US-Virginia-Fairfax; US-Virginia-Reston; US-Washington-Seattle

Requisition # : 210952

This job may require successful completion of an online assessment. A brief description of the assessments can be viewed on our website at http://find.centurylink.jobs/testguides/

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.