Senior security engineer Work, Jobs in Roath, Crf (with Salaries)

Senior Principal Systems Engineer
One Big Circle —Bristol
- £40,000 - £65,000 a year
- Full-time
- Research
- Organisational skills
- In-person
Quick apply
14d
Senior DevTest Engineer Biometrics
ASSA ABLOY —Cardiff
- Engineering
- Mentoring
- Scripting
- Annual leave
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LDMS —Cardiff
- Up to £68,000 a year
- Full-time
- Hybrid work
- Mentoring
- AI
- Annual leave
- Employee assistance programme
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Senior Data Engineer and Data Manager
Welsh Revenue Authority —Cardiff
- £47,675 - £56,445 a year
- Full-time
- Hybrid work
- No experience needed
- Analysis skills
- Presentation skills
- Annual leave
- Language training provided
11d
Agile Delivery Manager
Intellectual Property Office —Newport
- £47,766 - £58,850 a year
- Full-time
- Hybrid work
- Presentation skills
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5d
Senior Security Engineer
Bridewell —Cardiff
- Full-time
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Senior or Principal Civil Engineer - Infrastructure
Ramboll —Cardiff
- Full-time
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Senior Cyber Security Engineer
Hodge Bank —Cardiff
- £64,000 - £69,000 a year
- Full-time
- Hybrid work
- Computer Science
- Quality control
- Store discount
- Health & wellbeing programme
Quick apply
Senior Operations Fibre NOC Engineer
BUUK Infrastructure —Cardiff
- Hybrid work
- Organisational skills
- Training & development
- Communication skills
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Senior Firmware Engineer
ASSA ABLOY —Cardiff
- Engineering
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Strategic Lead - Delivery (Defence)
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
1d
Senior Project Controls Engineer Defence
Turner & Townsend —Cardiff
- Full-time
- Hybrid work
- Bachelor's degree
- Mentoring
Quick apply
8d
Refrigeration and Air Conditioning Engineer
OCS Group —Grangetown
- Monday to Friday
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Senior Dynamics Developer
Intellectual Property Office —Newport
- £47,766 - £58,850 a year
- Part-time
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- Azure
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Senior Software Engineer, Architecture & Algorithms
KLA —Newport
- Full-time
- Doctoral degree
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Head of Data Exploitation
Department for Environment, Food and Rural Affairs —Bristol
- £67,730 - £75,480 a year
- Part-time
- Presentation skills
- No degree
- Leadership
1d
Senior Planner
AtkinsRéalis —Bristol
- Full-time
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Senior / Principal Engineer - Nuclear System Engineer
AtkinsRéalis —Bristol
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Senior / Principal Autonomous Systems Safety Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- No degree
- Leadership
12d
Senior Software Engineer - React
ASSA ABLOY —Cardiff
- Hybrid work
- English
- Bachelor's degree
- Agile
- Annual leave

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Senior Principal Systems Engineer

One Big Circle
Bristol

Quick apply

Job details

Permanent | Full-time
£40,000 - £65,000 a year
14 days ago

Benefits

Cycle to work scheme
Company pension
Private medical insurance

Qualifications

Technical troubleshooting
Driving Licence
Research
Risk management
Systems engineering
Organisational skills
Technical writing
Communication skills

Full job description

Senior / Principal Systems Engineer

One Big Circle – Bristol

Full-Time 37.5 hours over 5 Days

Salary £40 - £65k depending on experience

About One Big Circle

Be part of an award-winning workplace: The Sunday Times Best Medium-sized Technology Company 2025

Formed in 2017, One Big Circle is a fast-growing Bristol technology company that provides “Intelligent Video” solutions. We focus entirely on solving real-world industry problems by fusing new technology in the field of Video, IOT, Cloud and AI providing end to end solutions which allow our customers to dramatically improve their operational efficiency and safety. Our culture is one of high-quality technical delivery and we work at a speed that many industries are unaccustomed to; we have done this by building a team dynamic that challenges and empowers our people and creating an environment where everyone contributes and learns. We are growing, profitable and have ambitious plans to continue expansion in and beyond our existing markets.

We are looking for a proactive and motivated individual to join our team to support the business in further growing our flagship award-winning product: AIVR. AIVR (Automated Intelligent Video Review) is a state-of-the-art video technology system used by thousands of people in the rail industry. AIVR has won dozens of awards and is recognised as the market leading solution, but we are building many more opportunities both in existing and new markets which will further accelerate our growth.

We have built a culture where people feel supported, included, and empowered to do their best work. Our team is growing, and we’d love for you to be part of the journey.

Role Summary

We are looking for an experienced Senior or Principal Systems Engineer to be involved in the projects we complete from specification, design, test & build and commissioning.

You will be working on projects primarily destined for the railway environment, as well as other national infrastructure. These systems might typically consist of technology such as line scanning and machine vision cameras, lighting, laser measurement systems, thermal sensors, industrial embedded Linux, IP networking, GPS/4G/5G. The ideal candidate will hold a broad fundamental understanding of integrating and fault finding this type of equipment.

Responsibilities

Deliver solutions on new and existing projects, ensuring compliance to project requirements, budget and timelines.
Identify and mitigate technical project risks.
Take ownership of complex technical problems.
Carry out research in order to make well informed technical decisions.
Communicate proactively with other team members to provide encouragement, identify problems, create solutions and unblock technical issues.
Build relationships with key external stakeholders.
Testing and fault finding.
Create and maintain technical and test documentation.

Personal Qualities:

Self-motivated with strong communication and organisational skills.
Effective working under pressure.
Strong delivery-focused work ethic, with the ability to multitask and ensure priority work is completed on time.
Flexible and adaptable style of approach but with meticulous and systematic attention to detail when it matters.
Strong written communication skills, including document/specification writing.

Experience:

5+ years experience delivering projects in an industrial environment.
Ideally a background/experience in the rail Industry including certification.
Ideally hold a UK Driving license and willingness to drive to various UK site locations.

Company Benefits Include:

Auto enrolment Pension Scheme
25 Days Holiday plus bank holidays
Life Assurance
Private Healthcare Cover
Work related training courses as required
Complimentary snacks and refreshments including fresh fruit
Office-Centric role
Access to Bike to Work Scheme
Secure bike storage and shower facilities
Social events

How to Apply

Join an award-winning team, named ‘The Sunday Times Best Medium-sized Technology Company 2025’. At One Big Circle, you’ll be part of a fast-growing team where your ideas and contributions are truly valued.

Please send your CV and covering letter to [email protected]

Successful applicants will be required to pass a BPSS (Baseline Personnel Security Standard) check.

By applying for this role, you understand that we will process your personal information in accordance with our privacy policy, accessible at https://onebigcircle.co.uk/privacy-policy/

Job Types: Full-time, Permanent

Pay: £40,000.00-£65,000.00 per year

Work Location: In person

Quick apply

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