Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.
At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.
This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.
The Central Office Technician is responsible for the installation, maintenance, and repair of telecommunication systems within central office environments. They ensure the smooth operation of communication networks by managing equipment and providing customer support. The position is responsible for the provisioning and maintenance of subscriber loop carrier systems, DSL, POTS, GPON, digital and optical muxes.
This is a full time position located in Great Falls, MT. The typical schedule is Monday - Friday 8am - 4:30pm. Will also include an on call rotation. May also include nights, weekends, and holidays.
- Installs, performs routine maintenance, analyzes defects, tests, adjusts, repairs, and maintains complex equipment such as switching systems, circuit equipment, network terminal equipment, and data/digital equipment by using electrical and or electronic measuring devices.
- Plans jobs and determines materials and resources needed to complete tasks, updates work and maintenance logs, keeps team and managers informed on the status of projects.
- Travels between central office locations
- Reviews and interprets work orders, wiring lists, wiring diagrams, and equipment drawings and follows standard practices in the performance of job duties.
- Utilizes knowledge of general input and analysis of ESS translations.
- Runs diagnostic test programs, analyzes defects and/or tests various types of telephone switching equipment (5ESS, Electronic Data Switching, etc.), uses various types of testing devices, e.g., volt-ohm meters, spectrum analyzers, digital communications, data analyzers, etc.
- At least six months experience diagnosing circuit trouble, and performing testing with volt ohm meters, TMS, or comparable equipment.
- At least six months experience provisioning and maintaining POTS, DSO, DS1/T1, DS3/T3, DSL, and fiber circuits.
- Must be proficient in switch maintenance and routines, working knowledge of IOF, SONET/DWDM equipment and services.
- Requires a valid state drivers’ license with satisfactory driving record.
- Ability to work varying shifts and hours including possible mandatory overtime, and/or callouts, weekends, and holidays.
Preferred Qualifications:
- At least 12 months experience diagnosing circuit trouble, and performing routine testing, including measuring AC/DC current using volt ohm meters, OTDR, or comparable test equipment.
- At least 12 months experience provisioning and maintaining POTS, DSO, DS1/T1, DS3/T3, DSL, and fiber circuits or services.
- Experience working with 5ESS switches.
- Experience including ROADM, Infinera, QMOE, IP Ethernet.
- Certification or training in the maintenance and operation of D4 channel banks, Calix DSL systems, Adtran (DLC), Fujitsu (FO Transport), and Alcatel DSL systems.
- Experience working independently with little supervision.
Pay Ranges
Minimum hourly rate: $14.93
Maximum hourly rate: $40.28
Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing.
Learn more about Lumen's:
Supplemental Pay (see Central Office Technician IBW)
#LI-Onsite #LI-CS2
Requisition #: 342515
Life at Lumen
Life at Lumen is human and connected, even in a fast moving, AI‑focused organization. We set clear expectations and trust people to meet them. With real support and shared accountability, teams collaborate better, move faster, and deliver meaningful outcomes.
Our Lumen 8 behaviors guide how we interact, make decisions, and work together, shaping a culture built to perform and win.
To learn more about Life at Lumen and how we live the Lumen 8, please visit:
https://jobs.lumen.com/global/en/life-at-lumen
Background Screening
If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page. Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
This position is part of a bargaining unit and represented by a union. Depending upon the applicable collective bargaining agreement under which you may be hired, you may be: (a) required to join the union and pay union dues as a condition of employment; or, (b) required to pay union dues, but not join the union as a condition of employment; or (c) free to choose whether or not to join the union, but if you do join the union you would be obligated to pay union dues.
Equal Employment Opportunities
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, gender expression, 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.
Privacy Notice
Lumen is committed to protecting the privacy and security of personal information collected during the recruitment and hiring process. Our Applicant Privacy Notice explains how we collect, use, disclose, and protect applicant information, as well as how individuals may request access to or deletion of their personal data.
To review Lumen’s Global Employment Applicant and Talent Community Privacy Notice, please visit:
https://jobs.lumen.com/global/en/privacy-notice
Disclaimer
The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.
Note: For union-represented postings, wage rates and ranges are governed by applicable collective bargaining agreement provisions.
