Employer · WARN Act history · Professional & Technical Services
Leidos
746 workers across 13 WARN notices, primarily in MD - recorded in the current PlainLayoffs dataset.
- 746
- Workers cut
- 13
- WARN notices
- 3
- States
- 57
- Avg / notice
Leidos has 13 recorded WARN filings affecting 746 workers
According to WARN Act filings submitted to state workforce agencies, Leidos has 13 recorded filings covering 746 workers across 3 states, primarily MD, the 229th-largest recorded WARN footprint among 7,009 tracked employers. WARN notices cover qualifying reported events, so this record is not a complete count of the employer's workforce changes.
Leidos accounts for 3.4% of Professional & Technical Services's 21,639 WARN-laid-off workers across 166 tracked employers in the dataset — #7 in Professional & Technical Services by workers affected.
How 746 workers split by filing year
Calendar-year totals from WARN notice_date fields in this dataset, the same figures summed in the notice history below.
Leidos WARN workers by state
Sum of workers_affected on each filing row, grouped by the state agency that received the notice, not a corporate headcount by HQ state.
Leidos WARN workers by year and state
Sum of workers_affected on each filing row, crossed by calendar year and filing state, for the top 3 states by total workers affected.
| Year | MD | VA | IN | Total |
|---|---|---|---|---|
| 2026 | 227 | 93 | – | 320 |
| 2025 | 62 | 29 | – | 91 |
| 2023 | 130 | – | – | 130 |
| 2020 | – | – | 61 | 61 |
| 2018 | – | 52 | – | 52 |
| 2017 | – | 92 | – | 92 |
Leidos city concentration · lead-city
Named cities on WARN filing rows only (city blank on a filing is omitted). Shares are of the city-tagged worker total, not every notice in the record.
Baltimore County leads at 41% of named-city WARN workers across 10 cities (746 workers with a city on the filing).
Lead city Baltimore County · 41% · 10 named cities · top-3 share 63%
DOL WARN employer filing desk
Employer LEIDOS · Leidos 746 workers · 13 filings
NOTC-MID · WORK-HEAVY · PHOTO-UNK · RUNWAY-EXACT · STAT-MULTI · BOOK-MULTI · TYPE-LAYOFF
- NOTC-MID 13 filings
- WORK-HEAVY #229
- PHOTO-UNK No peer
- RUNWAY-EXACT 60d
- STAT-MULTI 3 states
- BOOK-MULTI 3 agencies
- TYPE-LAYOFF 13 layoffs
Stamps derive from filed notice_date, effective_date, workers_affected, state agency source, and filing type in this dataset, not a prediction of future layoffs.
Largest Leidos WARN filings · notice runway
Top 5 rows by workers_affected from this employer's filed notices. Runway = calendar days from notice_date to effective_date when both are published and forward-dated.
- Baltimore County, MD · Layoff · Manufacturing 156 workers · filed Apr 6, 2026 · 60d runway
- Baltimore County, MD · Layoff · Professional & Technical Services 130 workers · filed Nov 1, 2023 · 60d runway
- Ashburn, VA · Layoff · Other Services 93 workers · filed Jan 21, 2026 · 61d runway
- Anne Arundel, MD · Layoff · Professional & Technical Services 71 workers · filed Apr 2, 2026 · 59d runway
- Vienna, VA · Layoff · Other Services 62 workers · filed Oct 24, 2017 · 66d runway
Median forward runway across 13 dated filings: 60 days (3 under 60d · 10 at/above 60d ).
What changed - Leidos WARN filings by year
Computed from filed notice dates in this dataset (calendar years), not a vendor release label. Latest compared pair: .
- 2025 → 2026: WARN workers affected for Leidos rose from 91 in 2025 to 320 in 2026; notice count fell from 5 to 3.
- 2020 → 2023: WARN workers affected for Leidos rose from 61 in 2020 to 130 in 2023; notice count held from 1 to 1.
- 2017 → 2018: WARN workers affected for Leidos fell from 92 in 2017 to 52 in 2018; notice count fell from 2 to 1.
- 2023 → 2025: WARN workers affected for Leidos fell from 130 in 2023 to 91 in 2025; notice count rose from 1 to 5.
Site-wide YoY movers: /changes (RSS). Dataset corrections: /changelog. Year hubs: /year/2026.
Where Leidos Falls Among Tracked Employers
7,009 employers with a WARN filing, bucketed by total workers affected
Bucket counts (employers by total workers affected, as of September 2026): 1-10: 955; 11-50: 1,411; 51-150: 3,067; 151-500: 1,205; 501-1.5k: 273; 1.5k-5k: 72; 5k-15k: 16; 15k+: 10. Leidos is in the 501-1.5k bucket (#229 of 7,009 by workers affected).
Employer Profile
- Primary State
- MD
- Primary Industry
- Professional & Technical Services
- First Notice
- Jun 30, 2017
- Latest Notice
- Apr 6, 2026
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Apr 2026.
WARN Notice History
2026
Baltimore County, MD · Manufacturing
Effective: Jun 5, 2026
156
workers
Filed Apr 6, 2026
Anne Arundel, MD · Professional & Technical Services
Effective: May 31, 2026
71
workers
Filed Apr 2, 2026
Ashburn, VA · Other Services
Effective: Mar 23, 2026
93
workers
Filed Jan 21, 2026
2025
Frederick, MD · Professional & Technical Services
Effective: Aug 5, 2025
7
workers
Filed Jun 11, 2025
Montgomery County, MD · Finance & Insurance
Effective: Jun 30, 2025
19
workers
Filed Apr 30, 2025
Frederick, MD · Professional & Technical Services
Effective: Jun 1, 2025
16
workers
Filed Apr 2, 2025
Alexandria, VA · Other Services
Effective: May 30, 2025
29
workers
Filed Mar 31, 2025
Baltimore County, MD · Professional & Technical Services
Effective: May 2, 2025
20
workers
Filed Mar 4, 2025
2023
Baltimore County, MD · Professional & Technical Services
Effective: Dec 31, 2023
130
workers
Filed Nov 1, 2023
2020
Indianapolis, IN · Finance & Insurance
Effective: Nov 30, 2020
61
workers
Filed Sep 30, 2020
2018
Charlottesville, VA · Other Services
Effective: Apr 30, 2018
52
workers
Filed Mar 1, 2018
2017
Vienna, VA · Other Services
Effective: Dec 29, 2017
62
workers
Filed Oct 24, 2017
Chantilly, VA · Other Services
Effective: Aug 31, 2017
30
workers
Filed Jun 30, 2017
Questions about this Leidos record
What is the largest Leidos WARN filing on record? ▼
The largest row is the mass layoff filed for Baltimore County, MD on Apr 6, 2026, covering 156 workers in Manufacturing.
Where were Leidos's WARN notices filed? ▼
The filings name Baltimore County, Anne Arundel, and Ashburn, among 10 named cities; together they form 13 mass-layoff filings sourced from Maryland DLLR and Virginia Works and Indiana DWD. States represented in this record: IN, MD, VA.
Where is Leidos's WARN footprint concentrated by city? ▼
Baltimore County leads at 41% of named-city WARN workers across 10 cities (746 workers with a city on the filing).
Does Leidos's filing history show a recurring pattern? ▼
The filing history spans 2017 through 2026 across 6 calendar years; that recurrence is visible in the dated rows rather than inferred from news coverage.
How much advance notice appears in Leidos's record? ▼
The measurable notice runway lands exactly on the federal 60-day baseline; verify the source dates before treating that timing as final.
See also: MD WARN filings · Professional & Technical Services industry WARNs · WARN Act guide
Source: State WARN Act layoff registries Leidos notice history aggregated from state workforce agency filings · September 2026 A WARN filing is a required notice, not a judgment of the employer's management or finances. Coverage follows states with structured public registries; this public-record summary is not legal advice, financial advice, or employment advice.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.