> Markdown version of [/jobs/ext/2709693-telecommunications-low-voltage-field-service-technician-in-chicago](https://www.wearedevelopers.com/jobs/ext/2709693-telecommunications-low-voltage-field-service-technician-in-chicago). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Telecommunications / Low-Voltage Field Service Technician in Chicago - **Company:** Energy Jobline - **Location:** Chicago, IL, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** VoIP, Computer Networks, Data Cabling, Ethernet, Network Troubleshooting, Microsoft Office, Internet Protocol Telephony, Bicsi, Cisco - **Published:** September 4, 2026 - **Apply:** https://www.energyjobline.com/job/telecommunications-low-voltage-field-service-technician-chicago-31428749 ## About the Role This is primarily a hands-on field-service position. The ideal candidate enjoys troubleshooting problems, working independently at customer locations, and figuring out why a telephone or communications system isn't working. The position also includes in-office support, including taking customer trouble calls and troubleshooting issues over the phone. This is not primarily a cable-installation position. We are looking for someone who understands traditional telephone wiring and telecommunications infrastructure and is comfortable working with modern VoIP and network-connected telephone equipment. Leadership skills are a bonus and could lead to supervisory responsibilities., * PBX systems * VoIP * SIP * Analog/POTS replacement * ATA devices * Elevator telephone lines * Fire-panel telephone communications * Cellular/Internet-based POTS replacement * Poly, Yealink, Cisco, or similar VoIP equipment * What We're Looking For Required Qualifications * 3+ years of telecommunications, telephone, or low-voltage field-service experience * Strong understanding of telephone wiring and troubleshooting * Ability to trace and identify telephone pairs * Experience working in commercial buildings * Familiarity with MDFs and IDFs * Ability to troubleshoot wiring using appropriate test equipment * Ability to diagnose problems independently * Good verbal and written communication skills * Professional appearance and customer-service skills * Valid driver's license * Reliable transportation * Comfortable working independently in the field * Ability to use an iPhone/iPad for work orders, photographs, and documentation Qualifications * PBX experience * VoIP/SIP experience * Experience with POTS replacement * Experience with analog telephone adapters (ATAs) * Experience with elevator emergency telephone systems * Experience with fire alarm/panel communications * Experience with structured cabling * Experience with Poly, Yealink, Cisco, or similar equipment * Familiarity with basic Ethernet/network troubleshooting * Previous experience providing telecommunications service to apartment/condominium buildings, commercial properties, or HOAs * Supervisory experience Education A college degree is not required. We value hands-on telecommunications experience over formal education. BICSI or other industry certifications are a plus but are not required. ## Description * Respond to service calls at commercial customer locations throughout the Chicago area. * Take trouble calls in the office, troubleshoot and diagnose issues over the phone, and perform on-site work-a balance of on-site and in-office support. * Diagnose and repair telephone, data networking, and low-voltage communication problems. * Troubleshoot analog telephone/POTS circuits and VoIP systems. * Trace, identify, test, and repair telephone wiring. * Work with telephone pairs, blocks, jacks, cross-connects, and building wiring. * Troubleshoot problems between the customer's telephone equipment and the carrier/service provider. * Identify whether a problem is related to wiring, equipment, configuration, or the service provider. * Perform installations, moves, adds, and changes of telephone equipment and wiring. * Work independently at customer locations and communicate professionally with building personnel and customers. Building Telecommunications Infrastructure * Work in MDF and IDF rooms. * Trace telephone and data cabling. * Terminate and repair low-voltage wiring. * Install and troubleshoot telephone jacks and related equipment. * Work with Cat 3, Cat 5e, and Cat 6 cabling. * Perform cable testing and troubleshooting. * Maintain accurate documentation of wiring and service work. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) ## Related Articles - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [How to Write a CV and Interview if You Don't Fully Qualify For The Job](https://www.wearedevelopers.com/magazine/183-how-to-write-a-cv-and-interview-if-you-don-t-fully-qualify-for-the-job) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [Remote Work: Best Practices for Developers](https://www.wearedevelopers.com/magazine/315-remote-work-best-practices-for-developers) - [Tips on mastering remote job interviews](https://www.wearedevelopers.com/magazine/23-tips-on-mastering-remote-job-interviews) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)