Ciena Layoffs & WARN Notices — 1,094 Workers Affected

Name: Ciena WARN Act Layoff Notices
Creator: LaborCurrent
License: https://creativecommons.org/publicdomain/zero/1.0/

All WARN Act mass layoff and plant closure notices filed by Ciena.

Data updated 2015-01-13

Total Notices

1,094

Workers Affected

States

2001

First Filing

2015

Latest Filing

Data Insights

Industry Breakdown

Workers affected by industry sector

Layoff Types

Workers affected by notice type

Ciena WARN Act Filings

WARN Act layoff notices
Company	Location	Employees	Notice Date	Type
Ciena	Linthicum Heights, MD	57	2015-01-13
Ciena	Shrewsbury, NJ	89	2006-03-01
Ciena	Linthicum, MD	72	2003-09-08	Layoff
Ciena	A.a, MD	269	2002-09-19	Layoff
Ciena	Alpharetta, GA	48	2002-03-26
Ciena	Linthicum, MD	146	2002-02-04	Layoff
Ciena	Linthicum, MD	110	2002-01-29	Closure
Ciena	Linthicum, MD	153	2001-11-12	Closure
Ciena	Savage, MD	150	2001-11-12	Closure

Ciena Layoff FAQ

Is Ciena laying off in 2026?

Ciena has no 2026 WARN notices on record. The most recent WARN Act filing was in 2015.

How many layoffs has Ciena had?

Ciena has filed 9 WARN Act notices affecting a total of 1,094 workers across 3 states.

When was Ciena's most recent layoff?

Ciena's most recent WARN Act filing was on 2015-01-13.

What states has Ciena laid off workers in?

Ciena has filed WARN Act notices in: Georgia, Maryland, New Jersey.

What is the WARN Act?

The Worker Adjustment and Retraining Notification (WARN) Act is a federal law that requires employers with 100 or more employees to provide 60 calendar days' advance notice of plant closings and mass layoffs.

How do I get notified about Ciena layoffs?

Subscribe using the form above to receive free daily email alerts whenever new WARN Act notices are filed. You can also set up custom filters and webhooks with a paid API plan at laborcurrent.com/pricing.

Latest Layoff Reports

December 2026 report November 2026 report October 2026 report

SEC Filings & Hiring Signals

Cross-dataset signals for Ciena: SEC 8-K event filings and H-1B labor condition applications shown alongside the WARN notices above. They are linked to this employer by matching its name (or an SEC ticker or CIK we assign to it) — the link is an algorithmic estimate, not verified by the SEC, the Department of Labor or any state agency, and the filings are not restricted to the same period as the notices. Matching rules: methodology.

Filed 2026-09-03

Filed 2026-06-11

Filed 2026-06-08

Filed 2026-06-04

Filed 2026-03-31

490 H-1B LCA petitions filed (FY2010–FY2026) — check H-1B layoff risk →