CSC Holdings Overview

CSC Holdings, LLC owns and operates cable systems in the United States. The company provides video services under the Optimum brand name; entertainment and advertising services; high-speed data services to residential and small business customers under the Optimum Online name; and Voice over Internet Protocol (VoIP) services to residential and small business customers under the Optimum Voice name. As of December 31, 2016, it served approximately 2.4 million video customers in the New York metropolitan area. It also offers fiber based telecommunications, including Ethernet, data transport, Internet protocol based virtual private networks, and Internet access, as well as voice services comprising session initiation protocol trunking and VoIP services. Further, the company provides managed information technology services to businesses, such as hosted voice services, managed WiFi, managed desktop, and server backup, as well as managed collaboration services comprising audio and Web conferencing; and offers regional news programming services, as well as engages in cable television advertising business. It serves health care, financial, education, legal and professional service companies, and other industries, as well as the public sector and telecommunication providers, such as wireless telecommunication companies, incumbent local exchange carriers, and competitive local exchange carriers. As of December 31, 2016, it had approximately 8,300 locations connected to its fiber network. The company was founded in 1985 and is headquartered in Bethpage, New York. CSC Holdings, LLC is a subsidiary of Altice USA.
The staff at CSC Holdings come from unusually diverse demographic backgrounds. The company is 40.9% female and 43.1% ethnic minorities. CSC Holdings employees are slightly more likely to be members of the Democratic Party than the Republican Party, with 57.0% of employees identifying as members of the Democratic Party. Despite their political differences, employees at CSC Holdings seem to be happy. The company has great employee retention with staff members usually staying for 5.0 years. The average employee at CSC Holdings makes $59,372 per year. Pay at CSC Holdings is significantly lower than some of its highest paying competitors, like Syniverse, Nokia, and Telcordia Technologies, which pay $107,020, $105,208, and $103,378, respectively.
Based in New York, CSC Holdings is an industry leader with 10,000 employees and an annual revenue of $5.9B.







Founded in



Bethpage, NY


Organization Type


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The Team At CSC Holdings

    See Yen Tarn (CEO/Exec Dir/Member)

    Dr Leong Horn Kee (Board Member)

CSC Holdings Company Rankings

CSC Holdings is ranked #23 on the Best Telecommunication Companies to Work For in America list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

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CSC Holdings Salaries

How much does CSC Holdings pay?
The national average salary for an CSC Holdings employee in the United States is $59,372 per year. Employees in the top 10 percent can make over $118,000 per year, while employees at the bottom 10 percent earn less than $29,000 per year.
Salary Score
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Average Employee Earnings

CSC Holdings Salaries By Job Title

The average employee at CSC Holdings earns a yearly salary of $59,372 per year, but different jobs can earn drastically different salaries. The higher paying positions at CSC Holdings include Principal, Senior Software Engineer, Subject Matter Expert, and Solutions Architect. A typical Principal salary at CSC Holdings is $157,610. Some of the other roles at CSC Holdings are Cashier and Data Entry Clerk. A worker with the title Cashier at CSC Holdings earns an average salary of $27,674 per year.
Average Salarydesc
Salary Range129k - 191k$158k$157,610
Senior Software Engineer
Salary Range109k - 146k$127k$126,692
Subject Matter Expert
Salary Range102k - 135k$118k$118,086
Solutions Architect
Salary Range99k - 138k$117k$117,437
Program Director
Salary Range87k - 133k$108k$108,166
Senior Consultant
Salary Range93k - 120k$106k$106,066
Program Manager
Salary Range84k - 129k$105k$104,710
Quality Assurance Lead
Salary Range88k - 119k$102k$102,422
Project Leader
Salary Range84k - 120k$101k$101,101
Software Developer
Salary Range84k - 116k$99k$98,916

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CSC Holdings Careers

On average, employees at CSC Holdings stay with the company for 5.0 years. Employees most commonly join CSC Holdings after leaving United States Army Corps of Engineers. When they leave CSC Holdings, they most frequently get their next job at Computer Science.

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CSC Holdings Employee Demographics

Diversity Score
We calculated the diversity score of companies by measuring multiple factors, including the ethnic background, gender identity, and language skills of their workforce.



59.1 %


40.9 %



56.9 %

Hispanic or Latino

14.2 %

Black or African American

13.3 %

Foreign Languages Spoken


55.7 %


11.5 %


5.7 %
See More About CSC Holdings Demographics

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CSC Holdings Employees Education

Of the 10,000 employees at CSC Holdings, 12.7% attended University of Maryland - College Park. Employees at CSC Holdings most frequently majored in Business, and most employees’ highest level of education is a Bachelors.


University of Maryland - College Park

12.7 %

George Mason University

12.5 %

Strayer University

11.7 %



22.6 %

Computer Science

15.9 %

Electrical Engineering

6.7 %



51.1 %


15.8 %

High School Diploma

13.8 %

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CSC Holdings Employee Political Affiliation

CSC Holdings employees are most likely to be members of the Democratic Party. The largest donation made to a political party by an CSC Holdings employee was by Beverly Bacon. Beverly Bacon donated $15,251 to the Democratic Party.


Democratic Party

57.6 %

Republican Party

41.0 %

Green Party

0.5 %


0.5 %

Employee Political Donations

NameJob TitlePartyDonation
Beverly BaconProgram ManagerDemocratic Party$15,251
Sarah MartinCommunicationsDemocratic Party$9,250
Lawrence PriorGeneral ManagerDemocratic Party$7,500
Leif UlstrupExecutiveRepublican Party$6,500
Robert WoodwardManagement Services TechnicianDemocratic Party$6,070
Ronald GarfunkelSenior Vice PresidentDemocratic Party$6,000
Samuel VisnerVice PresidentDemocratic Party$5,700
Andrew SaxeManagement ConsultantDemocratic Party$5,450
Dave BarramBoard MemberDemocratic Party$5,400
Doug CouttsConsultantRepublican Party$5,000
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CSC Holdings Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.


> $1B

Founded in


Organization type


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CSC Holdings Competitors

Competitors of CSC Holdings include Syniverse, Nokia, and Telcordia Technologies. The wages at Syniverse average higher than the other similar companies, where the median salary is $107,020 per year. Employees at Nokia earn an average of $105,208 per year, and the employees at Telcordia Technologies earn an average salary of $103,378 per year.
Average Salarydesc
Salary Range87k - 131k$107k$107,020
Salary Range86k - 128k$105k$105,208
Telcordia Technologies
Salary Range80k - 132k$103k$103,378
Nokia Networks
Salary Range83k - 124k$102k$101,695
Salary Range82k - 122k$100k$100,491
Salary Range75k - 113k$92k$92,279


Salary Range66k - 122k$90k$90,411
GE Power Electronics
Salary Range70k - 114k$90k$90,013
Salary Range75k - 106k$90k$89,625
ExteNet Systems
Salary Range68k - 116k$89k$89,259

Frequently Asked Questions about CSC Holdings

When was CSC Holdings founded?

CSC Holdings was founded in 1985.

How many Employees does CSC Holdings have?

CSC Holdings has 10,000 employees.

How much money does CSC Holdings make?

CSC Holdings generates $5.9B in revenue.

What industry is CSC Holdings in?

CSC Holdings is in the telecommunication industry.

What type of company is CSC Holdings?

CSC Holdings is a private company.

Who are CSC Holdings's competitors?

CSC Holdings competitors include Syniverse, Acxiom, Telephone and Data Systems, Kratos Defense & Security Solutions, Telenor, Voltdelta, Telcordia Technologies, GE Power Electronics, TEOCO, Airbus Ds Communications, Ciena, Lucent, Veramark Technologies, Unify, Nokia, ExteNet Systems, Data Systems Worldwide, Intracom Holdings, Bluetooth Sig, Nokia Networks.

Who works at CSC Holdings?

See Yen Tarn (CEO/Exec Dir/Member)

Dr Leong Horn Kee (Board Member)

Where is CSC Holdings's headquarters?

CSC Holdings's headquarters is in Bethpage, NY.

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Zippia gives an in-depth look into the details of CSC Holdings, including salaries, political affiliations, employee data, and more, in order to inform job seekers about CSC Holdings. The employee data is based on information from people who have self-reported their past or current employments at CSC Holdings. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by CSC Holdings. The data presented on this page does not represent the view of CSC Holdings and its employees or that of Zippia.

CSC Holdings may also be known as or be related to CSC Holdings LLC.