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Integrated Services Digital Network Jobs (NOW HIRING)

Maintain or create documentation of existing copper circuits including Integrated Services Digital Network (ISDN), Plain Old Telephone Service (POTS), alarm, fax, elevator, and other systems. * Work ...

We are a full-service government solutions company. Harnessing the most advanced technology and ... digital network intelligence, dataflow, access development, and target network analysis. Your ...

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Integrated Services Digital Network information

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$42.5K

$123.8K

$175K

How much do integrated services digital network jobs pay per year?

As of Jun 22, 2026, the average yearly pay for integrated services digital network in the United States is $123,786.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $142,500.00 per year, depending on experience, location, and employer.

Is ISDN still used today?

Integrated Services Digital Network (ISDN) is largely obsolete in modern telecommunications, replaced by faster broadband and fiber-optic connections. While some legacy systems may still use ISDN for specific applications, it is rarely employed in new deployments or job roles today.

What is the difference between Integrated Services Digital Network vs Network Technician?

AspectIntegrated Services Digital Network (ISDN)Network Technician
CredentialsCertifications like CCNA, CompTIA Network+Networking certifications, technical training
Work EnvironmentTelecom companies, data centers, ISDN service providersIT departments, telecom firms, network installation sites
Industry UsageTelecommunications, internet service providersIT and networking industries
Job FocusDesign, implement, and maintain ISDN systemsInstall, troubleshoot, and repair network infrastructure

While ISDN specialists focus on managing specific digital communication systems, Network Technicians handle broader network infrastructure. Both roles require networking certifications and work in similar environments, but their responsibilities differ in scope and focus.

What is ISDN used for?

Integrated Services Digital Network (ISDN) is used for transmitting voice, data, and video over digital telephone lines, providing reliable and high-speed communication. It was commonly employed in business environments for video conferencing, remote access, and connecting to private networks before the widespread adoption of broadband internet.

What is Integrated Services Digital Network (ISDN)?

Integrated Services Digital Network (ISDN) is a set of communication standards for transmitting voice, video, data, and other network services over traditional telephone networks. Introduced in the 1980s, ISDN allows for the simultaneous digital transmission of these services through a single line, improving speed and quality compared to older analog systems. ISDN is commonly used for video conferencing, broadcast media, and backup internet connections, although it has largely been replaced by newer broadband technologies in many regions.

What are the two types of ISDN?

The two types of ISDN are Basic Rate Interface (BRI) and Primary Rate Interface (PRI). BRI is typically used for small-scale applications and offers two 64 kbps bearer channels and one 16 kbps data channel, while PRI is used for larger organizations and provides multiple bearer and data channels depending on the region. Knowledge of these types is important for network installation and troubleshooting roles involving digital communication systems.

What is an integrated service digital network?

An Integrated Services Digital Network (ISDN) is a set of communication standards that enable the transmission of voice, video, and data over traditional telephone lines. In related jobs, understanding ISDN technology involves knowledge of digital communication protocols, network configuration, and troubleshooting to support reliable data transfer in telecommunications environments.

What are the key skills and qualifications needed to thrive as an Integrated Services Digital Network (ISDN) Engineer, and why are they important?

To thrive as an ISDN Engineer, you need a solid understanding of telecommunications protocols, networking fundamentals, and ISDN technology, typically supported by a degree in computer science or a related field. Familiarity with network analyzers, ISDN routers/switches, and certifications such as Cisco CCNA or CompTIA Network+ are commonly required. Strong problem-solving skills, clear communication, and adaptability help engineers address client needs and troubleshoot complex issues. These competencies ensure reliable network performance, efficient service delivery, and effective collaboration with technical teams.

What are some common challenges faced by Integrated Services Digital Network (ISDN) engineers, and how can these be managed on the job?

ISDN engineers often encounter challenges such as troubleshooting connectivity issues, managing legacy hardware, and ensuring compatibility with modern VoIP systems. Effective communication with clients and other IT teams is vital, as ISDN networks frequently interface with broader telecommunication infrastructures. Proactive maintenance, regular software updates, and thorough documentation can help manage these challenges and minimize downtime. Staying current with emerging technologies also prepares ISDN engineers for future transitions, such as migration to all-IP networks.
More about Integrated Services Digital Network jobs
What job categories do people searching Integrated Services Digital Network jobs look for? The top searched job categories for Integrated Services Digital Network jobs are:
Infographic showing various Integrated Services Digital Network job openings in the United States as of June 2026, with employment types broken down into 3% Locum Tenens, 75% Full Time, 17% Part Time, 4% Temporary, and 1% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $123,786 per year, or $59.5 per hour.
LAN VoIP Network Specialist I

LAN VoIP Network Specialist I

SIERTEK LTD

Washington, DC

Other

Posted 20 days ago


Job description

SierTeK proudly serves our clients by providing expertise in the Program Management, Information Technology, and Administrative Support domains. Founded in 2007 as a minority and service-disabled veteran-owned company, we serve as prime- and subcontractor for a multitude of Federal Department of Defense contracts. By focusing on continual improvement, our services remain at the forefront of our industry, and we pride ourselves on delivering our services with the highest degree of integrity.

SierTeK Ltd. is seeking a Legacy Telephone Technician to support an opportunity at Joint Base Anacostia-Bolling (JBAB), Washington, DC.

The Legacy Telephone Technician provides Tier 2 and Tier 3 maintenance and operational support for legacy telephony systems and copper infrastructure. This position supports Government voice engineering efforts by maintaining, troubleshooting, documenting, and improving ISDN, POTS, and related copper-based telecommunications systems while ensuring compliance with USAF standards and local business practices.

Essential Job Functions
  • Provide Tier 2 and Tier 3 maintenance and operational support for telephony systems.

  • Survey, install, maintain, troubleshoot, and audit physical connections utilized for telephony systems; ensure all tickets are completed in accordance with defined customer priority levels and within three (3) business days of assignment.

  • Install, maintain, and troubleshoot telephony devices.

  • Maintain or create documentation of existing copper circuits including Integrated Services Digital Network (ISDN), Plain Old Telephone Service (POTS), alarm, fax, elevator, and other systems.

  • Work in-house with the Government Voice Engineer to maintain the copper infrastructure.

  • Maintain ISDN/POTS telephony architecture and supporting diagrams.

  • Perform tasks assigned by the Government engineer.

  • Trace, label, and maintain existing copper lines; coordinate with commercial service providers as needed.

  • Terminate cable on the main distribution frame (MDF) as required.

  • Create and update maintenance cutsheets to include phone numbers, copper cable, copper pair information, and physical location on base.

  • Report and log deteriorating conditions of copper cabling to the JBAB CFP and/or GSO as discovered.

  • Inform the Government when infrastructure saturation reaches 70%.

  • Develop plans to improve base infrastructure and prevent shortfalls.

  • Perform Security Technical Implementation Guides (STIGs), Maintenance Task Orders (MTOs), and other audits to ensure Squadron compliance with USAF standards and 794th Business Practices.

  • Perform Preventive Maintenance Inspections (PMIs) on Cable Distribution Networks (CDNs), including reporting observed issues using local work cards in accordance with TO 00-5-1, Air Force Technical Order System; provide results/findings via email no later than the 5th day of each month.

  • Ensure all telephony interfaces with emergency service location information systems, such as Configuration Accounting Information Retrieval System (CAIRS), are up to date with correct device location details.

  • Assist in identifying legacy devices and services; provide solutions and migration strategies to transition analog and legacy digital services to IP-based solutions in accordance with (IAW) SAF/CN directives.

  • Submit a Weekly Activity Report (WAR) and a monthly report of work completed to the Government Support Office (GSO).

Minimum Position Requirements

  • Minimum of five (5) years of experience with Nortel MSL 100 (Tier 2 and Tier 3 support for analog and digital single/multi-line phones), ISDN, POTS, and VoIP systems.

  • Demonstrated experience maintaining and troubleshooting copper-based telephony infrastructure.

  • Active CompTIA Security+ CE certification required.

  • Secret Clearance is required

  • Strong documentation and technical diagramming skills.


SierTeK is an equal opportunity employer and values diversity. Employment is decided based on qualifications, merit, and business need. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, and training.

If you need assistance or accommodation due to a disability, you may contact us at 1+833.743.7835.


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About Siertek

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing

Company size

201 - 500 Employees

Headquarters location

Beavercreek, OH, US

Year founded

2007