ISCO is an equal opportunity employer with a very diverse employee base consisting of a variety of different positions. ISCO is a privately held entrepreneurial company that offers a flexible and friendly work environment. Its employees enjoy a unique opportunity to see, experience and participate in all aspects of the business. ISCO's open culture provides employees visibility to see how their efforts contribute to the success of the company. 

If you think you are a good fit with the positions described below, fill out the form or send your resume to or call 630-283-3100.

Current Openings

Name *

Apply Now

Sales Engineer


Position Description

In providing wireless systems solutions to service providers such as AT&T and Verizon, the ISCO sales process employs a consultative approach bringing together an understanding of customer challenges with network information, analysis and ISCO's RF spectrum conditioning products.  This individual is expected to be able to assess complex wireless network RF performance issues, create and prove out a solution, then professionally present the winning solution to ISCO customers.  This person will engage in the pre- and post- sale activities as required.  Reporting to the Director of Sales Engineering, this individual will be a key contributor to the success and growth of ISCO.

This position is for someone who is looking to utilize a unique blend of highly technical and business development skills in a "startup size" company environment.  The position also requires mostly domestic travel up to 30%.

Essential Tasks of the Position:

  • Proactively scopes the technical solution required to address customer requirements, assesses customer's met and unmet needs, and recommends solutions that optimize value.
  • Secures input from all necessary solution stakeholders.  Adapts solutions, as necessary, to ensure appropriate support.


  • Bachelor's degree in Electrical Engineering or equivalent.
  • Minimum of 5 years of experience in the wireless telecommunications industry with emphasis on Radio Access in LTE, CPRI, 5G technologies.
  • At least 3 years working experience with LTE in the areas of RF performance, RF performance testing and analysis; Knowledge of VoLTE is a definite plus.
  • Experience working in the wireless industry, wireless operators or equipment manufacturers in a customer-facing position is a definite plus.

Position Requirements:

  • Excellent verbal and written communication skills.
  • Experience in architecture and working knowledge of RAN fronthaul (CPRI)/Fiber-related products.
  • Firm grasp of Network Topology and Performance KPI Metrics.
  • Working knowledge of base station equipment, RF test equipment.
  • Good understanding of U.S. Domestic Wireless competitive landscape.
  • Solid understanding of basic RF concepts such as filter, link budgets, receiver sensitivity, etc.
  • Hands-on experience with basic RF measurements such as noise figure and spectral measurements.
  • Fluency with Tableau, Microsoft PowerPoint, Excel and Word.

Other Essential Abilities, Skills and Requirements:

  • Experience assessing technical business requirements and making recommendations based on the assessment.
  • Contribute with continuous improvements of products, processes and documentation.
  • Deliver complex network designs and solutions based on established processes and procedures and products.  Advanced working knowledge of Visio and PowerPoint.
  • Ability to travel on short notice up to 20%-30% of the time.
  • The ability to personally conduct consultative customer engagements as the lead engineer.
  • Interface with internal Product and Engineering teams to achieve continuous improvement of product documentation based on customer feedback.
  • Exceptional work ethic and character.
  • Team-oriented with good negotiation and argumentation skills.
  • Strong verbal and written communicator, with a demonstrated ability to multi-task.
  • Resiliency, high energy and ability to function exceptionally well in a start-up environment.
  • Proven self-starter, with the demonstrated ability to work with little direction and oversight.
  • Strong technical, problem-solving and analytical abilities.

Reports to: Director of Sales Engineering

Location:  Schaumburg, IL

Director Customer Support and Field Services


Position Description

This position will manage an internal team of customer support engineers/field support engineers who work closely with customers to deliver ISCO solutions.

Areas of Responsibility and Authority:

  • Manage internal team of customer support engineers/field support engineers.
  • Develop and maintain internal operational governance.
  • Coordinate, track, maintain and manage statistical analysis and requisite customer documents, e.g. monthly scorecard.
  • Interface with 3rd party contractors and vendors for services related to training and installation support.
  • Develop repeatable, sustainable and scalable service delivery methodologies.
  • Assist in managing expenses of the Field Services and Customer Support organizations and the delivery of projects and services.
  • Develop, maintain and enhance processes to provide customer escalation point for 24x7 customer support including providing tier 1 & tier 2 technical support for installation efforts as well as customer service issues.
  • Serve as the primary 24x7 Customer Support escalation point for the customer for technical issues.
  • Largely technical management role with internal and external reporting responsibilities.
  • Coordinates efforts required to drive customer technical issues to closure.
  • Maintain overall customer satisfaction based on customer scorecard or other feedback.
  • Administer systems implemented to deliver customer services.

Essential Tasks of the Position:

  • Evolve current FSE team into customer support engineers, as possible.
  • Manage ISCO Field Service Techs to deliver ISCO solutions as sold by ISCO.
  • Support FOA and FFA work with the customer and customer lab and internal operations teams associated with software and hardware rollouts.
  • Ensure Close Out Packages and designated Close Out Package tools are maintained when installations are performed by internal resources.
  • Track and support customer connectivity external modems.
  • Working with the VP of Field Ops, develop a training program to increase the skills of the ISCO field technicians.  As part of the program identify team training gaps for new product and test equipment.
  • Identify required test equipment and maintain test tool inventory list along with physical location.
  • Define and implement systems necessary to deliver contracted customer services.  These systems could include but are not limited to AI systems, monitoring systems and element managements.
  • Support new product development with emphasis on field trials and operations readiness.
  • Quality liaison for FSE and customer support activities to ISCO engineering team.
  • Direct deployment process and processes for all support and services functions.
  • Travel to field or customer location as necessary.
  • Interface with the Sales organization and participate in customer meetings as required.
  • Interface with R&D to support their product development and new product activities.
  • Interface with R&D and product management regarding product requirements necessary to support the solution once deployed or enable the delivery of customer services.  This could include remote access requirements, SNMP requirements, element management requirements.
  • Interface with project management team to confirm project milestones, tasks, deliverables, due dates and owners.
  • Assist in the development and presentations for internal and external monthly, quarterly, and yearly Customer Support Operations reviews.

Education/Experience:  BS degree or equivalent experience

Position Requirements:

  • Experience with management systems and supporting processes.
  • Management skills and managerial courage.
  • Customer Support costing and modeling.
  • History of working with major wireless carriers in a similar role.
  • Experience with customer support related documents required by the customer.
  • Knowledge of wireless systems and field operations.
  • Experience deploying wireless networks on a large scale.
  • Proficiency with Microsoft Office applications.
  • Process documentation and services descriptions.
  • Ability to travel on short notice, if required.

Reports to:  VP of Field Operations

Senior Embedded Software Engineer


Position Description
Senior level programmer with broad engineering skills, innovative spirit, and desire to work in a fast paced, entrepreneurial environment. Candidate should have a background in wireless communication with experience working with embedded Linux at application and kernel levels and a practical knowledge of ARM and/or Altera Nios processors.

This is an excellent position for a talented, motivated engineer seeking the opportunity to make a broad impact.

BS in Engineering, MSEE is a plus, and a minimum of ten years related experience.

Necessary Skills:

  • Embedded SW development, Linux User Space, Linux Kernel/Drivers.
  • Test, validate and debug issues using RF measurement equipment like Spectrum Analyzer.
  • Design and implement embedded SW for Linux platform which is interfacing to FPGA and DSP.
  • Strong C/C++ programming skills in an embedded Linux environment.
  • Familiar with flash memory technology and proficient with Linux device driver development and debugging.
  • Familiar with TCP/IP protocols with hands-on experience debugging networking issues.
  • Familiar with PCIe, SPI, I2C protocols and specifications and have hands-on experience in debugging device hardware and software issues.
  • Experience with the complete software development life cycle, from requirements to design, implementation, testing, and release.
  • Ability to effectively communicate via oral and written communications with senior management and technical staff.

Recommended Skills:

  • Knowledge and experience in adjacent areas — DSP software and/or FPGA.
  • Ability to understand and maintain Python and Bash scripts on Linux platforms.
  • Experience with Linux server platforms including Ubuntu.
  • Experience with automated system testing.
  • Familiarity with ISO 9001:2000 quality standard requirements for documenting all phases of data acquisition is a plus but not necessary.

Senior FPGA Software Engineer


Position Description
Senior level FPGA programmer with broad engineering skills, innovative spirit, and desire to work in a fast paced, entrepreneurial environment. Candidate should have a background in wireless communication with experience working in the data path of wireless communications systems.  The position includes the filter design and implementation, system performance validation and algorithm optimization.

Bachelor's degree from a 4-year university in Electrical Engineering, Computer Science or related technical field required.  Strong GPA (3.5 or higher).  Master's degree a plus.  Minimum of ten years related experience.

Necessary Skills:

  • Excellent knowledge of Verilog.
  • Proficiency with VHDL and System Verilog.
  • Proficiency with a full simulator such as ModelSim.
  • Excellent communication skills, a strong work ethic and the ability to work both independently or part of a team.
  • Experience with Xilinx and Altera FPGA toolflows.
  • Knowledge of Qsys and NIOS a plus.
  • Knowledge of the complete FPGA software development life cycle, from requirements to design, implementation, testing, and release.
  • Ability to create and implement test plans using spectrum analyzers and signal generators.
  • Design and develop efficient, scalable DSP filter structures that are closely integrated with an embedded NIOS controller.
  • Ability to effectively communicate via oral and written communications with senior management and technical staff.

Recommended Skills:

  • Familiar with flash memory technology and proficient with Linux device driver.
  • Knowledge and experience in adjacent areas -- DSP and RF.
  • C/C++ programming skills.
  • Experience with software optimization of base stations including Lucent and Ericsson.
  • Familiarity with ISO 9001:2000 quality standard requirements for documenting all phases of data acquisition is a plus but not necessary.

Senior Application Software


Position Description

ISCO is looking for a Senior Applications Software Engineer to continue to develop and support ISCO's element management system that interacts with hundreds of Company products that are deployed in commercial, cellular wireless networks.  The element management system is a combination of multiple components (database, analytics, UI, reporting, etc.) that allow ISCO customers to have a real-time view of the RF spectrum and gain performance insights of the cellular network.

Candidate will work in a small, fast-paced software development team and will be responsible for all aspects of the software development cycle:  requirements development, prototyping, software development, test and validation, new feature trials in customer environment, deployment, support, and issue resolution.

Reports to: Vice President - Engineering 

Education/Experience:  BS in Computer Engineering/Science or equivalent, and a minimum of ten years related experience

Position Requirements:

  • 10+ years of working experience using C++, C# .NET and object-oriented concepts
  • Experience in developing real-time multi-threaded applications
  • Experience in developing applications that utilize socket programming, TCP/IP and UDP communications
  • Experience in developing applications that use UI that includes data visualization and manipulation
  • Working experience with WinForm, WCF, WPF,, Javascript, SQL, RESTful APIs
  • Experience with both desktop, server, and web-based development
  • Experience with MS Visual Studio 2013 or later version and source code control tool
  • Ability to work in a fast-paced, deadline-oriented environment with minimal supervision
  • Must be a team player, self-starter, and capable of working in the environment of rapidly changing business priority
  • Strong analytical, decision-making, verbal and written communication skills
  • Ability to interact with customers face-to-face to understand desired product features and translate "voice of the customer" into product requirements
  • Occasional domestic travel is required in support of customer meetings and product deployment
  • BS in Computer Engineering/Science, MS preferred

Recommended Skills:

  • Working experience with moving desktop applications to cloud environment
  • Working experience with application virtualization


RF Distinguished Engineer


PHD in electrical engineering or MSEE in engineering, and a minimum of fifteen years related RF experience.

Position Description
ISCO International seeks an RF Distinguished Engineer with a broad engineering skill set, innovative spirit, and desire to work in a fast paced, entrepreneurial environment. Must have LTE system experience, expertise in modeling and evaluating RF performance in wireless base stations. Engineering responsibilities will begin at the conceptual phase and extend through product design and deployment. This is an excellent position for a talented, motivated seasoned engineer seeking the opportunity to make a broad impact.

Necessary Skills:

  • Leveraging knowledge of LTE architecture and familiarity with other wireless base station architectures.
  • Must have expertise in RF modeling of signals and familiarity with max lab LTE tools, from conception to design validation and verification of product system level RF and power.
  • Expertise in engineering methods, measurement techniques, in high-frequency components to address product design requirements and state of the art of components used in wireless telecom.
  • Expertise in use of industry standard high-frequency test and measurement equipment/design and simulation tools.
  • Familiarity with base station equipment (particularly RF front ends), including Ericsson and Nokia. Also should be familiar with system integration issues.
  • Must be familiar with software development, FPGA development and signal processing algorithm development and analysis.
  • Should have laboratory experience with test equipment, such as spectrum analyzers, network analyzers, power meters, and multimeters.
  • Design expertise state of the art of components used in wireless telecom (400 MHz-3 GHz), to the design, prototyping, and testing of digital receivers and Heterodyne analog RF processing.

Recommended Skills:

  • System level familiarity with all the variants of air interfaces.
  • CPRI interface basic knowledge.
  • Must be familiar with and understand the concepts of radio frequency propagation and transmission theory, including system link budgets, amplifier gain and noise figure, insertion loss, inter-modulation, and return loss.
  • Good communication skills. Able to clearly and concisely communicate with team members, sales team, customers and management on issues concerning designs and other business issues.
  • Signal processing algorithm development and analysis.

Desirable to Have:

  • Good leadership skills, have demonstrated ability to work in a team with various backgrounds.
  • Prior project management experience.
  • Documenting all phases of the design process in compliance with ISO 9001:2000 quality standard requirements is a plus.
  • Willing to be able to do some travel to support sales team and to support introduction of new products evaluation and trials.
  • Applying design for manufacture principles, and supporting manufacturing with engineering expertise as required is a plus.
  • Initiating action to prevent the occurrence of any nonconformities relating to product, process or the quality system, up to and including when necessary stopping production to correct quality problems.