Company Description
Are you passionate about engineering? Do you want to make a difference? ALTEN
is a global engineering and technology consultancy operating across over 30 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, and many more to deliver innovative engineering solutions that drive technological advancement and 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 tomorrows worldtoday. Job Description
Who we need: Systems Engineers
Defence & Mission Systems | Belfast ALTEN UK is establishing a new
Defence Systems Engineering
capability in
Belfast, supporting a portfolio of advanced
mission and sensing systems. This is an opportunity to work on high-impact projects, defining and delivering complex system architectures that integrate software, hardware, and test disciplines. Youll contribute across the full engineering lifecycle
from
requirements capture to qualification
as part of a growing multidisciplinary team helping shape the next generation of defence technology. Location:
Belfast On-site requirement:
35 days per week Clearance:
Active
SC Clearance
preferred / must be eligible (5+ years UK residency) Seniority:
5+ years experience Key Responsibilities: Develop and manage
system requirements, ensuring clear traceability and flow-down to subsystem and component levels. Support
system architecture design, trade studies, and
interface control documentation (ICD)
development. Contribute to
Model-Based Systems Engineering (MBSE)
using tools such as
MATLAB ,
Simulink, or equivalent modelling environments. Plan and execute
IVVQ activities, maintaining evidence, tracking defects, and ensuring timely closure with stakeholders. Produce and maintain
technical documentation
including design notes, test plans, procedures, and reports. Work collaboratively with
hardware, software, and test teams
to achieve design maturity and milestone readiness for trials and qualification. Qualifications
Required Skills: Experience in
requirements management
tools such as
IBM DOORS
or equivalent. Familiarity with
systems engineering methodologies ,
V-model lifecycle, and
configuration management. Understanding of
verification and validation processes, including test planning and evidence collation. Strong
technical writing
and communication skills for design documentation and stakeholder reporting. Ability to work across multi-disciplinary teams to integrate
HW/SW/test
activities effectively. Desirable Skills: Experience with
MBSE frameworks
(SysML, Simulink, Capella, etc.). Knowledge of
safety-critical systems
or
mission systems integration. Understanding of
risk, issue, and configuration control
within large engineering programmes. Familiarity with
defence or aerospace standards
(e.g.
DEF-STAN 00-56 ,
DO-178C ,
ISO 15288 ). Prior experience working in
high-integrity environments
such as aerospace, defence, or transportation. Required Qualifications: Must be eligible for or already hold UK Security Clearance (SC) A Bachelors or Master's degree in
Systems ,
Aerospace ,
Electronics, or
Software Engineering, or a related field
OR Arelevant technical
military background
with equivalent hands-on engineering experience Additional Information
Why join us? We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently. Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities. We offer incredible opportunities to join inspiring projects in the most innovative companies. We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential. Join our passionate team and start building tomorrow, today! In short you get: A personalised career path and a rewarding management style A chance to work on the most exciting engineering projects and technologies along with Premium Customers A huge diversity of engineering projects and industries A competitive salary Private MedicalInsurance Pension Scheme Cycle-to-work Scheme among many additional benefits Social atmosphere, regular gatherings, and team buildings Flexible way of working (role dependent)
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