Lumen Technologies, Inc. functions as an infrastructure-driven technology and telecommunications provider, offering a diverse array of integrated solutions to both commercial clients and residential customers throughout the United States and internationally. The company delivers these services through its Lumen, Quantum Fiber, and CenturyLink brands. Its business operations are segmented into two primary divisions: Business and Mass Markets. Lumen's comprehensive product suite includes compute and application services, such as cloud computing, IT management, unified communication and collaboration tools, colocation and data center facilities, content delivery networks, and managed security services. It also provides IP and data services, encompassing virtual private networks (VPN), Ethernet connectivity, general internet protocol services, and Voice over IP (VoIP). Additionally, the company furnishes fiber infrastructure services, which feature high-capacity optical wavelength networks, unlit optical fiber leasing, and related professional support. Complementary offerings include various voice and other services, like private line connections for dedicated site-to-site communication, traditional time division multiplexing (TDM) voice systems, synchronous optical network (SONET)-based Ethernet, legacy data hosting, and conferencing capabilities. As of December 31, 2021, the company served approximately 4.5 million broadband subscribers. Incorporated in 1968, the organization was previously known as CenturyLink, Inc. before officially changing its name to Lumen Technologies, Inc. in September 2020. Its corporate headquarters are located in Monroe, Louisiana.
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Lumen Technologies is a telecom company headquartered in Monroe, United States. It is publicly listed (LUMN) with a market capitalisation of $6.5B. Xcout tracks 26 named people at Lumen Technologies, including Kathleen E. Johnson (CEO & Director). Xcout recorded 124 job postings from Lumen Technologies in the last 90 days.
20 more named people on record for Lumen Technologies, with roles, board committees and tenure — see the full roster →
Xcout recorded 124 job postings from Lumen Technologies in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it — see Lumen Technologies's hiring signals →
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Cogent Communications Holdings, Inc., founded in 1999 and based in Washington, D.C., functions as a multinational provider of high-speed internet connectivity, private networking solutions, and data center co-location services. Its extensive reach covers clients across North America, Europe, Asia, South America, Australia, and Africa. The company delivers its core services, including rapid internet access and secure private networks, in two primary ways: directly to customers located within buildings physically connected to its network (referred to as on-net services), and to those outside this direct infrastructure (off-net services). For corporate customers requiring off-net connections, Cogent frequently utilizes other carriers' circuits to complete the final segment of the network link to the customer's premises. Cogent serves a broad spectrum of organizations, from professional services firms like legal practices, financial institutions, advertising and marketing agencies, healthcare providers, and educational institutions, to other key players in the communications sector. This includes other internet service providers, telephone and cable television companies, web hosting providers, media and mobile phone operators, content delivery networks, and commercial content/application developers. Furthermore, Cogent operates 54 data centers, allowing customers to house their equipment securely and connect directly to its network. The company boasts a significant infrastructure presence, providing facilities to 3,035 buildings in total, with direct on-net services available to 1,817 multi-tenant office buildings. Cogent primarily caters to small and medium-sized enterprises, communications service providers, and organizations with substantial bandwidth demands.
NTT, Inc. functions as a prominent telecommunications provider with a significant presence across Japan and internationally. The company structures its operations across four primary divisions: Integrated ICT Business, Regional Communications Business, Global Solutions Business, and its diverse "Others" segment. Within its Integrated ICT unit, NTT delivers an array of services including mobile communications, domestic long-distance and international telephony, integrated solutions, and system development. The Regional Communications division focuses on local (intra-prefectural) communication services and associated support. For its global clientele, the Global Solutions segment offers comprehensive offerings such as system integration, network infrastructure, cloud computing, and global data center management, alongside consulting, managed services, and custom system and software development. Furthermore, the "Others" segment diversifies the company's activities through interests in real estate, construction, and the energy sectors. Founded in 1952, NTT, Inc. was previously known as Nippon Telegraph and Telephone Corporation, officially transitioning to its current name in July 2025. Its corporate headquarters are situated in Tokyo, Japan.
KDDI Corporation operates as a leading telecommunications company, serving customers in Japan and across international markets. Its diverse operations are structured into two primary segments: Personal Services and Business Services. The Personal Services division offers a wide array of mobile communication options, including smartphone and traditional mobile phone services, predominantly marketed under its "au" brand. This segment also delivers fixed-line internet solutions, such as "au Hikari," which provides fiber-to-the-home (FTTH), data transmission, voice, and cable television (CATV) services. Furthermore, it supports Mobile Virtual Network Operator (MVNO) offerings. Beyond core connectivity, KDDI extends its personal services to include the "au PAY" gateway for smartphone-centric payments and financial products, the "au HOME" IoT service for monitoring homes and pets with sensors and cameras, "au Denki" for energy conservation, and educational services through the AEON English conversation school. The Business Services segment focuses on corporate clients, providing global data center facilities under its "TELEHOUSE" brand. This division also supplies a variety of integrated solutions for network and cloud infrastructure, along with specialized smartphones and other devices tailored for business applications. Additionally, KDDI is involved in numerous other ventures, such as broadcasting, wireless broadband, and mail-order retail. The company provides IT support, manages call centers, and offers temporary personnel services. It also plays a crucial role in infrastructure, offering design, construction, maintenance, and operational support for communication equipment and submarine cable systems. Founded in 1953, KDDI Corporation is headquartered in Tokyo, Japan.
Liquid Intelligent Technologies provides fiber connectivity, data centers, cloud services, and cyber security solutions across Africa.
Crown Castle Inc. specializes in critical digital infrastructure across the United States. The company actively manages, operates, and leases an expansive network, featuring over 40,000 cellular communication towers and approximately 80,000 miles of fiber optic cable. This comprehensive infrastructure underpins both small cell deployments and various advanced fiber solutions, spanning every significant U.S. metropolitan area. Through these vital connections, Crown Castle links communities and urban centers to essential data, cutting-edge technology, and indispensable wireless services, thereby delivering crucial information, innovative concepts, and communication capabilities to individuals and enterprises alike. More information can be found at www.crowncastle.com.
KT Corporation provides integrated telecommunications and platform services in South Korea, rest of Asia, and internationally. The company offers mobile voice and data telecommunications services based on 5G, 4G LTE and 3G W-CDMA technology; fixed-line telephone services, including local, domestic long-distance, international long-distance, and voice over Internet protocol telephone services, as well as interconnection services; broadband Internet access service and other Internet-related services; and data communication services, such as fixed-line and leased line services, as well as broadband Internet connection services. It also provides media and content services, including IPTV, satellite TV, digital music, e-commerce, online advertising consulting, and web comics and novels services; and credit card processing and other financial services. In addition, the company offers information technology and network services, and satellite services; sells handsets and miscellaneous telecommunications equipment; develops and sells residential units and commercial real estate; and rents real estate properties. Further, it offers public telephone maintenance; security, B2C and B2B, investment fund, software development and data processing, value-added network, call center, system integration and maintenance, marketing, PCS distribution, transportation and trucking arrangement business, cloud system implementation, satellite communication network, installation and management, and data center development and related services. Additionally, the company is involved in the Internet banking ASP and security solutions, residential building development and supply, sports team management, technology business finance, and submarine cable construction and maintenance businesses. The company was formerly known as Korea Telecom Corp. and changed its name to KT Corporation in March 2002. KT Corporation was founded in 1981 and is based in Seoul, South Korea.
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