2,139,088open jobs
136,322companies
254,398added this week
Browse all
Location
In office (Portsmouth)
Seniority
Junior
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Nov 6, 2026. ALTEN scores B on the Alion truth index.

Overview
Company
Impact
Profile match
ALTEN is a French engineering and technology consultancy founded in 1988 that supplies project engineers to companies developing complex products and systems. Its consultants work inside client organisations across automotive, aerospace, defence, rail, energy, telecommunications, life sciences and finance, covering embedded software, mechanical and electrical design, simulation, testing, certification and information systems. Listed on Euronext Paris and headquartered in Boulogne-Billancourt, the group employs tens of thousands of engineers across more than thirty countries and has grown through a long sequence of acquisitions of specialist engineering firms.

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow's world today.

Join us and start building tomorrow's world today!

As a Mechanical Integration and Assembly Operator you will join our Portsmouth team to support our activities within the Spacesector.

You will be responsible for the mechanical integration and assembly of aerospace systems, supporting AIT (Assembly, Integration & Test) activities. The role is on-site full-time, across AM/PM shifts, and is suitable for junior technicians who are competent and eager to develop their skills.

  • Location: Portsmouth
  • On Site: Full time
  • Clearance: Clearable
  • Experience Level: Junior

Key Responsibilities:

  • Perform mechanical integration and assembly of aerospace systems
  • Support AIT (Assembly, Integration & Test) activities
  • Follow engineering drawings, manuals, and technical instructions accurately
  • Collaborate with multidisciplinary teams to ensure components are installed correctly
  • Report and document assembly progress and any technical issues

Required Skills:

  • Competent in mechanical assembly and integration techniques
  • Ability to follow technical drawings, schematics, and assembly instructions
  • Experience working in multi-disciplinary engineering teams
  • Willingness to work across AM/PM shifts on-site full time

Required Qualifications:

  • A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
  • Proven experience in mechanical integration or assembly, ideally within aerospace or high-precision manufacturing environments

Desirable Skills:

  • Familiarity with AIT processes and aerospace standards
  • Experience in component installation, jigs, or tooling
  • Knowledge of inspection and quality procedures

Additional Information

Why join us?

  • Work with cutting-edge technology and industry-leading programmes.
  • Be part of a collaborative and innovative engineering environment.
  • Access opportunities for professional development and career progression.
  • Join a global engineering consultancy with a strong presence across multiple high-technology sectors.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,139,088 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Field & Service
Similar stack
Same company
Portsmouth
Process Operator 2 days ago
In office · Full-Time · High School Diploma · Prudhoe
Apply
Lab Technician 1 hour ago
In office · Full-Time · High School Diploma · Cheltenham
Apply
Part Time Cleaner 1 day ago
$34k – $40k per year · In office · Part-Time · Deal
Apply
Part Time Cleaner 1 day ago
$38k – $40k per year · In office · Part-Time · London
Apply
FLT Operative 2 days ago
In office · Full-Time · Chesterfield
Apply
KS2 Class Teacher 1 day ago
In office · Contractor · Portsmouth
Apply
$16k per year · Hybrid · Contractor · Portsmouth
Analytics
Microsoft Excel
Apply
In office · Contractor · Portsmouth
Apply
In office · Full-Time · Master's Degree · Portsmouth
Apply
In office · Contractor · Portsmouth
Apply
See all jobs
This is one of many
2,139,088 more open roles from verified company boards, updated every day.