When did Max Shier become CISO of Amentum?

The appointment was announced in the week of May 19, 2025, per SecurityWeek Industry Moves. The record holds the announcement, not a start date.

Where did Max Shier work before Amentum?

Before the appointment, Max Shier was VP and CISO at Optiv, according to the announcement (SecurityWeek Industry Moves).

Executive record

Max Shier

Max Shier is Chief Information Security Officer (CISO) at Amentum. The appointment was announced in the week of May 19, 2025, per SecurityWeek Industry Moves.

Before the appointment: VP and CISO at Optiv, per the same source.

1 tracked move on the Wire · Updated September 26, 2026

Career timeline

Every move the record holds for Max Shier, newest first, with the earlier roles the announcements name.

week of May 19, 2025· Appointment
Named Chief Information Security Officer (CISO) at Amentum
Source: SecurityWeek Industry Moves (week of 2025-05-19) ↗ · Move record
Before May 2025· Earlier role
VP and CISO at Optiv
Named in the announcement of the Amentum appointment · Source: SecurityWeek Industry Moves (week of 2025-05-19) ↗

The company: Amentum

Sector: Professional Services
Region: North America
Company record: Who runs security at Amentum: 1 confirmed move on the record
Annual report: Cybersecurity section of the fiscal 2025 Form 10-K, filed November 25, 2025

Appointed in the same period

Other security chiefs in Professional Services whose appointment was announced within 90 days of Max Shier's, nearest first. The Professional Services bench

August 4, 2025
Jim Desmond, Chief Information Security Officer at HireRight

Record facts

Time in the seat: About 1 year 5 months since the appointment was announced (week of May 19, 2025), as of November 2026
Moves on the record: 1 confirmed move, each with its source
On the record since: September 26, 2026
Professional Services in 2026: 6 security-leadership appointments announced in the sector on the record

How these are counted. Time in the seat: Counted in whole months from the announcement of the appointment, the date the record holds; announcements rarely give a start date.

Questions about Max Shier

Who is the CISO of Amentum?: Max Shier is Chief Information Security Officer (CISO) at Amentum. The appointment was announced in the week of May 19, 2025, per SecurityWeek Industry Moves.
When did Max Shier become CISO of Amentum?: The appointment was announced in the week of May 19, 2025, per SecurityWeek Industry Moves. The record holds the announcement, not a start date.
Where did Max Shier work before Amentum?: Before the appointment, Max Shier was VP and CISO at Optiv, according to the announcement (SecurityWeek Industry Moves).

Sources

1.SecurityWeek Industry Moves (week of 2025-05-19) ↗: the appointment at Amentum, week of May 19, 2025
2.SEC EDGAR: Form 10-K, fiscal 2025 ↗: the company's cybersecurity disclosure

This record begins with CISO Tribune's tracking in 2026.

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