Principal Security Engineer

Broomhill, City of Bristol
2 weeks ago
Create job alert

Principal Security Engineer

The Role:

Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients.

We’re looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solutions. This role sits within our Secure by Design capability and supports both internal development projects and external client engagements. Working alongside the existing team, contributing to security requirements definition, risk assessments, technical security design, and security documentation for both internal platforms and client systems.

Dynamic Working: A blend of home and office-based working is encouraged

Key Responsibilities:

Lead and Deliver Cyber Security work packages to clients, this includes applying Systems Engineering methodologies into Cyber solutions.

Risk identification and management
Requirements Capture
Validation
Verification

Be responsible for the technical content of client deliverables, for example.

Security Management Plans
Security Case Report following Secure by Design through life principals
Verification Plans
Validation Test Schedules and Reporting
Penetration Test Remedial Action Plans

Managing Risk Appetite and Risk Analysis Assessments
Support the Sales and Business Development team in winning work through the generation of proposals and support to client meetings.
Represent Synoptix at conferences, symposia, and trade shows.
Lead Cyber security related research programmes with Academia.
Represent the client and Synoptix at both internal and external customer facing security working groups.  
Delivering Key Management in accordance with agreed management plans.
Assist in the further development of the Synoptix Cyber security capability.
Skills Required:

Essential:

Knowledge of Secure by Design principles
Experience in system security engineering, ideally in defence, space, or critical infrastructure
Familiarity with MOD, NCSC, and ISO standards (e.g. ISO 27001/2, NIST 800-series, JSP 604)
Competence in requirements engineering and systems thinking
Practical experience with security in software and/or system development environments
Effective communication and report-writing skills
Ability to work independently as well as collaboratively within multidisciplinary teams
Desirable:

CISSP, CISM, or relevant NCSC-certified qualifications
Experience with model-based systems engineering (MBSE)
Experience supporting formal security assurance processes
Understanding of space system architectures or satellite communications
DevSecOps awareness or experience with security automation
Benefits:

Annual Company Bonus
25 Days holiday not including bank holidays with the option to buy/sell up to 5 days
Competitive pension contribution
Continuous professional development including incentives
Access to online Udemy training facility
Flexible working arrangements
Bike to work scheme
Electric car scheme
Private health care
Job well done scheme
Please note that due to the nature of our projects we can only accept Sole UK National candidates who will need to be eligible to obtain UK Security Clearance.

By applying for this position, you are confirming that you consent to the retention of your personal data. Your data is held securely on our own premises and under the terms of the Data Protection Act (2018). It will be treated as confidential, and will not be transferred to any third party, or to any other jurisdiction without your consent. We will not hold any data for any longer than is necessary for us to fulfil our obligations and will remove any data at your written request

Related Jobs

View all jobs

Senior Principal Engineer (Aerospace Team Leader)

Principal Avionics Engineer

Principal Engineer – Systems Engineering (Requirements & Acceptance)

Principal Engineer – Systems Engineering (Requirements & Acceptance)

Principal Engineer – Systems Engineering (Requirements & Acceptance)

Principal Engineer – Systems Engineering (Requirements & Acceptance)

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

UK Space Jobs for Career Switchers in Their 30s, 40s & 50s (UK Reality Check)

The UK space sector is no longer a niche reserved for astronauts and rocket scientists. It is a broad, fast-growing industry covering satellites, Earth observation, navigation, telecoms, space data, launch services, space sustainability and defence-related capability. That breadth creates genuine career opportunities for professionals switching careers in their 30s, 40s or 50s — especially in roles where delivery, quality, operations, safety, regulation and customer outcomes matter as much as pure engineering. This article gives you a UK reality check: what space jobs actually look like, which roles are realistic for career switchers, what skills UK employers value, how long retraining tends to take and whether age is a barrier (usually far less than people fear).

How to Write a Space Industry Job Ad That Attracts the Right People

The UK space sector is growing rapidly. From satellite manufacturing and launch services to Earth observation, space data, communications and downstream applications, organisations across the UK are hiring engineers, scientists, software specialists and operations professionals to support increasingly complex space missions. Yet many employers struggle to attract the right candidates. Space industry job adverts often receive very few applications, or attract candidates whose experience does not align with the realities of space programmes. At the same time, experienced space professionals frequently ignore adverts that feel vague, over-ambitious or disconnected from how space projects actually operate. In most cases, the issue is not a lack of talent — it is the clarity and quality of the job advert. Space professionals are systems-focused, risk-aware and highly selective. A poorly written job ad signals weak programme maturity and unrealistic expectations. A clear, well-written one signals credibility, technical seriousness and long-term intent. This guide explains how to write a space industry job ad that attracts the right people, improves applicant quality and positions your organisation as a credible employer in the UK space sector.

Maths for Space Jobs: The Only Topics You Actually Need (& How to Learn Them)

UK space careers can look intimidating from the outside. Job adverts mention “systems engineering” “mission assurance” “GN&C” “RF” “payloads” “flight dynamics” “verification” “ECSS” & suddenly you’re wondering if you need a maths degree just to apply. You don’t. For most UK space jobs, the maths you actually use clusters into a handful of practical topics that map directly to real work across satellites, launch, ground segment, downstream data, mission ops & space software. This article strips it down to what matters most for job readiness plus a 6-week learning plan, portfolio projects & a resources section you can use immediately. UK space is also actively focused on growth & skills. The government’s National Space Strategy sets ambitions to grow the UK’s space ecosystem & spread employment across the UK. The Space Sector Skills Survey 2023 highlights recruitment challenges plus the importance of new skills & technologies including AI & ML. Recent industry reporting also estimates UK space industry employment at 55,550 FTEs plus wider supply-chain jobs. So learning the right maths is not an academic exercise. It’s a practical way to widen the roles you can credibly target.