Laid off from Mercury Systems.

What Mercury Systems layoffs have meant for employees

Mercury's cuts since 2023 started with a change at the top. On the August 2023 call where he set out his first cost actions, Bill Ballhaus, just named chief executive after holding the job on an interim basis, said the board had concluded its review of strategic alternatives. He also described visiting its major centers of operation and personally leading reviews of the company's challenged programs, and the board had brought in a new chief financial officer, Dave Farnsworth, who later gave the counts for both 2024 rounds. If you were cut in 2023, that's the setting the company described for your round, a new leader, a finished review of options and programs under scrutiny.

Mercury disclosed these cuts itself, on earnings calls, in announcements and, in early 2025, in a filing the Boston Business Journal reported the day it came out. Those disclosures date the company's own description of each round, sometimes only to a fiscal quarter, so they document what Mercury announced rather than the day any one person's job ended. Our WARN tracker has a single Mercury notice, from the Fremont site. If you need to show which round you were part of, the company's dated, public disclosure of that round can show it, while the date your own job ended sits in your employer's records. If Andover was your office, Massachusetts unemployment benefits covers filing in that state.

Mercury's stated reasons moved as the cuts went on. The first actions went at overhead, and on an August 2024 call the CFO put the June 2024 action's expected annualized savings, headcount and other spending together, at about $15 million, with part to be reinvested in the business and the rest supporting profitability. The early 2025 restructuring became public the same day Ballhaus cited a record backlog of $1.4 billion on the February 2025 call, and he tied that cut to a mix of work that had moved toward production, an explanation about the makeup of the workforce, given while orders stood at a record. If a hiring manager wants to know why the job ended and that was your round, the company's own explanation is a plain answer anyone can check.

In 2026 the explanations turned to sites. On the February 2026 call, Ballhaus listed consolidating subscale sites among the quarter's actions. He also described building out a highly automated manufacturing footprint in Phoenix, Arizona, with another 50,000 square feet of factory space coming online. The Fremont notice is typed a permanent closure rather than a layoff in EDD's WARN report, which means Mercury told the state the location itself was ending, and it puts about two months between the notice and its effective date. For the people on that notice, that span is the warning the company gave the state. If you were at the Fremont site, California's process for a claim is at California unemployment benefits.

The 2024 reorganization ran in stages, and Mercury said at the outset that more change was coming. When it merged its divisions in January, Ballhaus said the company expected to further optimize its structure in the year ahead, Intelligence Community News reported, and on a February 2024 call Farnsworth said the January action would bring about $20 million in run-rate savings, part of over $40 million expected from fiscal 2024's cost actions. The June phase followed, per a June 2024 report. A January cut and a June cut that year belong to one plan. If your job ended that June, the company framed your round as the second stage of January's.

A sourced history of Mercury Systems layoffs

• January 2026, Fremont, California site closure notice

  Mercury's January 30, 2026 notice to California, logged in EDD's WARN report, covers 18 employees and the permanent closure of its site at 48025 Fremont Blvd, with March 31 as the effective date.

• Fiscal 2026 second quarter, about 100 people and facilities

  CEO Bill Ballhaus said on the February 3, 2026 earnings call that an action Mercury took in the quarter affected about 100 people and some facilities.

• Early 2025, workforce restructuring of 145 roles

  Mercury cut 145 roles, the Boston Business Journal reported February 4, 2025, from a filing that put annualized savings at about $15 million. Ballhaus told that day's earnings call the restructuring aimed to align the team with a shift toward production work.

• June 2024, second phase of the reorganization

  Mercury called the second phase of its January restructuring complete on June 18, Intelligence Community News reported. On an August 2024 call, CFO Dave Farnsworth tied about $7 million in quarterly charges to a cut of about 100 positions.

• January 2024, two divisions merged into one structure

  Mercury said January 17 it would go from two divisions to one structure, Intelligence Community News reported, and announced that two senior executives would leave after a transition. CFO Dave Farnsworth put the resulting cut at about 100 positions on a February 2024 call.

• August 2023, first cost actions under Bill Ballhaus

  On an August 15, 2023 call, Ballhaus, who had been interim CEO, set out a first set of cost actions, reducing selling, general and administrative headcount and removing redundancy between corporate and divisional organizations, aiming at savings of about $24 million at an annual run rate.

What to do if you're laid off from Mercury Systems

• File for unemployment in the state where you worked. Benefits run from your filing date, and severance usually doesn't block you. Mercury Systems's biggest hubs: Massachusetts, California. Somewhere else? Every state is here.
• Apply for financial and hardship assistance. Unemployment supplements income, but food benefits, health coverage and utility help are often available as well. Here's some of what Mercury Systems's hub states run: Massachusetts, California, and every other state is here.
• Mind the health insurance window. Losing coverage opens a 60-day special enrollment period, and an ACA plan usually beats unsubsidized COBRA. Compare your options before the employer coverage lapses, and read how the COBRA clocks run if you are weighing it seriously.
• Get your real runway number. Severance plus savings divided by reality. The calculator takes five minutes.
• Know which clocks are already running. Severance review windows, COBRA election, visa grace periods, and 401(k) rollovers all run on federal deadlines that started at termination. All five deadlines are here.