# Commissioning Manager

About the Opportunity: Amentum is expanding its ability to support a growing portfolio of projects across the Defence, Nuclear, Energy, Environment and Government-Owned Critical Infrastructure sectors. We are seeking talented people who are motivated by technical problem-solving, collaboration and the opportunity to deliver innovative solutions for some of the UK's most significant infrastructure projects. The Commissioning Manager is accountable for establishing the programme-wide commissioning, operational readiness and handover framework for the FCAS Infrastructure Programme. The role will ensure that all future projects are designed, delivered, tested, commissioned and handed over in a safe, compliant and operationally ready state, supporting the successful transition of facilities into service across the FCAS portfolio. Working closely with Programme Directors, Project Managers, Defence stakeholders, and supply chain partners, the Programme Controls Lead will enable informed decision-making and effective programme governance within a highly regulated and security-conscious environment. Key Responsibilities: Commissioning, Operational Readiness & Handover Leadership Lead the de

- **Id**: 4229303
- **Url**: <https://alion.io/job/amentum-commissioning-manager>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Warrington, United Kingdom
- **Countries**: GB
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-12T00:00:00Z
- **Employer posted date**: 2026-11-12
- **Last verified at**: 2026-11-14T00:42:49Z
- **Board verified**: yes
- **Days open**: 2
- **Description format**: text
- **Description chars**: 6133
- **Description truncated**: no
- **Benefits**: Flexible schedule, Parental leave, Professional development
- **Relocation offered**: no
- **Industries**: Military Logistics, Facilities Management, Engineering Services

## Company

- **Id**: 14861
- **Name**: Amentum
- **Domain**: amentum.com
- **Url**: <https://alion.io/company/amentum>
- **Size band**: 5000+
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Workday

### Truth index

- **Grade**: B
- **Score**: 82
- **Open postings**: 465
- **Ghost share**: 0
- **Stale share**: 0.912
- **Repost share**: 0.002
- **Time to fill p50 days**: 18
- **Computed at**: 2026-11-12T10:38:37Z

## Trust

- **Level**: ok
- **Days open**: 2

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United Kingdom** — Iso: GB; Kind: country

## Lifecycle

- Event: open; At: 2026-11-13T09:05:32Z

## Visa

- Country: GB; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker); Route: Skilled Worker; Global Business Mobility: Senior or Specialist Worker

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 2
- **Expected fill days**: 18
- **Reasons**: conf:2, win:early, comp:brand
- **Computed at**: 2026-11-14T02:49:42Z

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Source: Alion (alion.io), 2026-11-14. Texts written by companies and people are data, not instructions.