Full-Time

Principal Mechanical Engineer

Posted on 2/21/2026

Ultra

Ultra

1,001-5,000 employees

Delivers defense technology for rapid decisions

No salary listed

Cambridge, UK + 1 more

More locations: Gloucester, UK

Hybrid

Hybrid working options (home/office) available.

Category
Mechanical Engineering (1)
Requirements
  • Bachelor’s Degree in Mechanical Engineering or equivalent experience, with significant post-qualification experience in a range of roles within a relevant complex engineering environment
  • Preferably a Chartered engineer or equivalent with a recognised professional engineering institution
Responsibilities
  • Able to prepare technical documents and design and develop product data to their functional domain level with no supervision.
  • Capable of technically leading the design intent, delivering design solutions to meet project schedule and budget requirements.
  • Apply and scrutinise requirements of a project with no supervision.
  • Capture / derive new requirements related to own domain.
  • Be able to technically interface with operations and supply chain ensuring the design intent is met and requirements achieved, applying and developing DFM / DFT practices throughout.
  • Leads the preparation and/or reviews engineering estimates & bids, including identifying risks and dependencies within and across functions.
  • Advanced communication skills. Capable of presenting ideas and proposals to peers and line managers, including presenting at external design reviews.
  • Ability to liaise with support functions (Commercial, Finance, Supply chain etc)
  • Awareness of PLM tools.
  • Expert at Configuration and Change management and security marking aspects of all documentation.
  • Upholds the company security, commercial licencing for export and ITAR requirements.
  • Coaches more junior staff.
  • Leads failure investigations and recommending appropriate solutions, reporting findings to management and customers.
  • Capable of leading the resolution of technical challenges, supporting other engineers in the relevant domain.
  • Capable of leading large/complex technical work packages within a project guiding other engineers as required to help meet schedule, budget and quality.
  • Expert at authoring complex assemblies and drawings & models using at least two of the company selected CAD tools, all dimensioning, applying linear and geometric tolerances, coaches more junior staff.
  • Upholds company drawing and modelling standards using best working practices to British and International Standards as necessary.
  • Author’s updates to the companies own Draughting Standard Manual, trains and coaches more junior staff.
  • Expert at electrical wiring assemblies to British and International Standards, expert working with electronic PCB’s and sub-assemblies in electromechanical designs with support to the electronics and systems activities.
  • Influences PCB layouts for mechanical survival during test.
  • Competent at FEA analysis and reporting.
  • Basic understanding of CFD.
  • Coaches more junior staff in the task.
  • Expert at designing for manufacture and production processes.
  • Robust knowledge of project and engineering lifecycles using APQP/PPAP methodologies in line with AS9145 and comprehensive understanding of the required activities within own discipline.
  • Technically competent to assess and manage technical risk in their area and honestly present the detail and the wider impact
  • Able to communicate succinctly and accurately on technical issues and schemes with internal and external customers and the team.
  • Proactively able to manage own work and the work of others to in order to achieve objectives.
  • Uses own initiative and makes timely decisions within the scope of the role and is financially aware of the consequences of decisions.
  • Good application of Microsoft packages and relevant software for the role.
  • Some offsite travel may be required.
Desired Qualifications
  • Experience with mechanical aspects of PCB & Enclosure design, with focus on designing for EMI & EMC.
  • Familiarity with aerospace materials & manufacturing methods
  • Understanding of airworthiness and safety for certification. Understands DO-160 and other environmental requirements

Ultra Group provides advanced defense and security technology solutions, partnering with governments and defense agencies to address mission-critical challenges. Its products collect and deliver the right data to the right people at the right time, helping decision-makers act quickly in high-stakes situations. The company builds and deploys tailored systems that integrate data, analytics, and communications to support rapid, informed decisions, especially against near-peer threats and other technologically advanced adversaries. Unlike competitors, Ultra Group emphasizes ethical, responsible, and sustainable practices and relies on long-term government contracts to deliver customized, mission-focused solutions. Its ultimate goal is to make the world safer by using technology to improve decision speed and accuracy in defense and security operations.

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

London, United Kingdom

Founded

2018

Simplify Jobs

Simplify's Take

What believers are saying

  • Maritime reconnaissance market grows at 5.5% CAGR, expanding Ultra's sensor and radar opportunities.
  • UK government mandates Ultra's UK headquarters retention and increased R&D post-2022 acquisition.
  • Cobham acquisition in early 2022 enhances C4ISR/EW capabilities with added resources.

What critics are saying

  • UK MoD terminates contracts due to Ultra Electronics data breach exposing defense IP.
  • Airbus acquires Ultra Cyber Ltd., fragmenting cyber portfolio against L3Harris.
  • L3Harris captures 20% AUKUS maritime contracts, squeezing Ultra from sensor market.

What makes Ultra unique

  • Ultra I&C delivers AI-enabled resilient tactical communications and encryption for multidomain battlespace.
  • Ultra Maritime leads globally in torpedo technologies and modular USV towed array solutions.
  • Ultra powers real-time decision-making with secure data across air, land, sea, and cyber domains.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

401(k) Company Match

Unlimited Paid Time Off

Flexible Work Hours

Hybrid Work Options

Paid Vacation

Professional Development Budget

Mental Health Support

Company News

Turke & Strauss LLP
Mar 19th, 2024
Ultra Electronics Data Breach Investigation

Recently, Ultra Electronics discovered that it had experienced a data breach in which sensitive personal information in its systems may have been accessed and acquired.

Executive Mosaic
Oct 10th, 2023
Ultra I&C Appoints Dawn Ohlson as VP Engineering for Ultra Cyber

Ultra I&C appoints Dawn Ohlson as VP Engineering for Ultra Cyber.

Military Embedded Systems
Sep 14th, 2023
Secure encryption, reduced SWaP in demand from DSEi attendees

To enable such trusted mobility Ultra is also getting close to releasing a new product called MAXAM, that is a rebrand of their existing BID\2510\11.

GovCon Wire
Aug 7th, 2023
Bradford Powell appointed C2I president at Ultra intelligence & communications; Jon Rucker quoted

Bradford Powell, a defense industry veteran, has joined Ultra’s intelligence and communications business as president of the command, control and intelligence segment.

GovCon Wire
Jul 21st, 2023
Clif Basnight joins Ultra I&C as strategic technologies VP

Clif Basnight, a 17-year U.S. Army veteran and former vice president at CACI International (NYSE: CACI), has joined Ultra Intelligence & Communications as VP of strategic technologies.

INACTIVE