principal security engineer Work, Jobs in clifton, bst (with Salaries)

Consultant Systems Engineer (Senior & Principal Grades) – Defence & Security
Raptor CSL —Clifton
- £50,000 - £85,000 a year
- Full-time
- Hybrid work
- Management
- Engineering
- Master's degree
- Life insurance
- Referral programme
Quick apply
Principal Product Security Engineer
NAVANTIA UK —Bristol
- Full-time
- Spanish
- IT
Quick apply
Senior / Principal Nuclear Safety Engineer
AtkinsRéalis —Bristol
- From £50,000 a year
- Full-time
- Hybrid work
Lead/Principal DFT Engineer
Fractile —Bristol
Principal Engineer
Aspris —Bristol
- £80,000 - £100,000 a year
- AWS
- AI
- Communication skills
- Annual leave
- Employee assistance programme
2d
Principal EC&I Engineer
Assystem —Bristol
- Hybrid work
- In-person
- Leadership
4d
Principal Mechanical Engineer
Babcock International —Bristol
- Full-time
- Hybrid work
- Engineering
- No degree
- Communication skills
- Annual leave
- Employee assistance programme
Principal Mechanical Engineer - Team Lead
MBDA —Bristol
- £60,000 a year
- Overtime
- Hybrid work
- CAD
- Project management
- Communication skills
- Free parking
Principal Test Definition Engineer
MBDA —Bristol
- £48,000 - £53,000 a year
- Overtime
- Hybrid work
- Negotiation
- Free parking
Senior Principal Mechanical Engineer
Assystem —Bristol
- Travel
- In-person
- Leadership
Principal Research Engineer
Toshiba EMEA —Bristol
- Azure
- Doctoral degree
- Computer Science
Principal Test Development Engineer
MBDA —Bristol
- £55,000 a year
- Overtime
- Hybrid work
- Military
- Travel
- In-person
- Free parking
- Relocation assistance
Principal Systems Engineer
MBDA —Bristol
- Up to £58,000 a year
- Overtime
- Hybrid work
- Organisational skills
- Communication skills
- Free parking
Principal Mechanical Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Engineering
- IT
- Communication skills
Principal Systems Engineer - Future Products
MBDA —Bristol
- £55,000 a year
- Overtime
- Hybrid work
- System design
- Business development
- Free parking
Principal Clean Water Process Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Engineering
- Communication skills
5d
Principal Systems Engineer
Rowden —Bristol
- £72,000 - £95,000 a year
- Full-time
- Hybrid work
- Engineering
- No degree
- Travel
Quick apply
Principal ICA Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Engineering
- Electrical Engineering
- Communication skills
2d
Principal Systems Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Military
- Mentoring
Principal Modelling and Simulation Engineer
Stirling Dynamics —Bristol
- £45,000 - £72,500 a year
- Hybrid work
- Travel
- Organisational skills
- Python

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principal security engineer jobs near clifton, bst

Consultant Systems Engineer (Senior & Principal Grades) – Defence & Security

Raptor CSL
Clifton

Quick apply

Job details

Permanent | Full-time
£50,000 - £85,000 a year

Benefits

Additional leave
Cycle to work scheme
Company pension
Private medical insurance
Life insurance
Referral programme

Qualifications

SAFe
Management
Engineering
System architecture
Master's degree
Bachelor's degree
Systems engineering
Scrum
Agile
Communication skills

Full job description

About Raptor

Raptor is a Bristol-based consultancy specialising in system-of-systems engineering, enterprise architecture and digital transformation for Defence and Security clients. We work as an independent customer friend, embedding within client teams to help tackle complex challenges, shape coherent architectures, and support confident, evidence-based decisions.

Our work focuses on enabling operational and enterprise-level capability across complex mission and organisational ecosystems. We help clients connect strategy to delivery, navigate technical complexity, and ensure the right decisions are made at the right time.

Alongside this, we advise on effective engagement with the supply chain and can act on the client’s behalf in supplier interactions, ensuring solutions are technically robust, strategically aligned, and deliver genuine value.

The Role

As a Consultant Systems Engineer, you’ll operate at the system-of-systems and enterprise level, supporting clients to define, design and assure complex, interconnected capabilities. You will work across the full lifecycle, often in ambiguous or evolving problem spaces, helping clients make well informed decisions. You will:

Lead architectural development, conceptual exploration and options analysis across mission level or enterprise-level systems.
Apply systems thinking to understand interactions, dependencies and emergent behaviours across whole capabilities.
Guide clients through complex technical and organisational challenges, acting as a trusted advisor.
Work embedded within multidisciplinary, multicompany consultancy teams.
Develop trusted relationships with clients and suppliers, support account growth, and help shape future opportunities.
Contribute thought leadership, mentor colleagues, and shape our systems engineering and consulting capability.

What You'll Bring

Essential

Degree in Engineering or a related discipline.
5+ years’ delivery experience in complex defence, security, or highly regulated programmes.
Strong understanding of systems-of-systems concepts, enterprise-level thinking and systems engineering lifecycle processes.
Model-Based Systems Engineering knowledge and experience, including:
Definition and management of user and system requirement and use of tools (e.g. DOORS, Dimensions RM).
Development of behavioural and structural models to support enterprise and mission level analysis (e.g. Use Case modelling, Mission Engineering).
Applying architectural frameworks (e.g. NAF, TOGAF) and architecture tools (e.g. Sparx EA, BizzDesign, MooD, Cameo).
Excellent communication skills, with an ability to simplify complexity, facilitate workshops, and influence decision-makers.
Eligible for UK SC security clearance (existing SC preferred).

Desirable

Postgraduate qualification (MEng, MSc).
Professional membership (IET, INCOSE, BCS).
Experience working on client-side or advisory roles, such as supporting DE&S, Defence Digital, MOD Front Line Commands, or equivalent government organisations.
Consultancy experience, including client engagement, shaping work packages, and delivering advisory services.
Agile delivery experience (Scrum, SAFe).
Test Management experience (e.g. test-case development, acceptance planning).

What We Offer

We believe in rewarding great work and supporting your long-term growth:

25 days’ holiday + bank holidays + your birthday off.
Flexible leave – option to buy up to 10 extra days.
Rapid Reward Scheme – discretionary bonus every 6 months.
7% pension contribution.
Annual car allowance.
Private medical insurance & life assurance.
Professional development support & membership fee reimbursement.

Pay: £50,000.00-£85,000.00 per year

Benefits:

Additional leave
Company pension
Cycle to work scheme
Life insurance
Private medical insurance
Referral programme

Application question(s):

Do you currently hold, or are you eligible to hold UKSV SC clearance?
Do you have at least 5 years relevant experience in the UK Defence & Security sector?

Education:

Bachelor's (required)

Work Location: Hybrid remote in Clifton BS8 1HP

Quick apply

Refine Your Search

principal security engineer jobs in clifton, bst

Consultant Systems Engineer (Senior & Principal Grades) – Defence & Security

Principal Product Security Engineer

Senior / Principal Nuclear Safety Engineer

Lead/Principal DFT Engineer

Principal Engineer

Principal EC&I Engineer

Principal Mechanical Engineer

Principal Mechanical Engineer - Team Lead

Principal Test Definition Engineer

Senior Principal Mechanical Engineer

Principal Research Engineer

Principal Test Development Engineer

Principal Systems Engineer

Principal Mechanical Engineer

Principal Systems Engineer - Future Products

Principal Clean Water Process Engineer

Principal Systems Engineer

Principal ICA Engineer

Principal Systems Engineer

Principal Modelling and Simulation Engineer

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