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hackajob

Senior Cyber Security Consultant

Hybrid

London, United kingdom

Senior

Full Time

04-03-2026

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Skills

Adaptability Risk Management Security Testing Training Architecture Enterprise Architecture Software Development Agile

Job Specifications

hackajob is collaborating with Actica Consulting to connect them with exceptional tech professionals for this role.

Senior Cyber Security Consultant

As a Senior Cyber Security Consultant at Actica, you will have the opportunity to provide support to a wide range of high-profile UK public sector, critical national infrastructure and defence organisations. Your help will enable them to protect their ICT investments, and in doing so play a key role in nationally critical projects which make a real difference to people’s everyday lives.

We are a National Cyber Security Centre Assured Cyber Security Consultancy.

Locations: London, Guildford, Bristol, M4 corridor

Roles and Responsibilities

Working either individually or as part of a larger Actica team, you will undertake a number of varying consultancy assignments. Due to the potential variety in assignments your responsibilities may well depend on your own breadth of experience.

Other Responsibilities Could Include

Providing security expertise for major system procurements and Agile programmes;
Identifying, analysing and evaluating information risks across a range of programmes, projects and systems;
Explaining to risk owners and other stakeholders the causes, likelihood and potential business impacts of information risks throughout the information system lifecycle;
Authoring and/or supporting the development of security assurance documentation in accordance with risk management frameworks;
Developing or reviewing new security architectures that mitigate the risks posed by new technologies and business practices;
Scoping security testing activities, and explaining the results and required remediation.

Your level of experience will determine the amount or responsibility given to you, as a result you may also have the opportunity to lead assignments and be responsible for supervising direct reports whilst ensuring the overall success of the engagement.

You will be given the opportunity to undertake a variety of roles throughout the project lifecycle, working across a wide-ranging set of clients and cutting-edge technologies.

Skills, Knowledge and Expertise

It Is Essential That You Have The Following Experience

Experience of complex ICT systems in a technical delivery or consulting capacity;
A good understanding of enterprise information and communications technology;
The ability to present and justify conclusions to project teams and business stakeholders;
Proven abilities in delivering to client expectations and requirements;
Strong verbal and written communications skills.

Knowledge of or a desire to learn more about the following would be beneficial for the role:

Experience in the UK Defence, Critical National Infrastructure and Public Sectors, particularly in ICT and enterprise solutions, is highly desirable .
Structured security frameworks, such as HMG SPF and ISO27001;
Security, technical and enterprise architecture methods such as TOGAF and SABSA;
Technical risk assessments;
Enterprise security packages;
Software development and delivery;
ICT service delivery, including ITIL.

The fast-moving nature of the ICT environment, together with the need to resource multiple, ad-hoc assignments, also requires our consultants to be quick thinkers, proactive and self-motivated - with the ability to apply a structured approach to often unfamiliar subject matter.

Additional Requirements

Must be eligible and willing to obtain UK Government Security Clearance.

Key Attributes For Success

Ability to engage effectively with stakeholders, including resolving issues and identifying new opportunities.
Strong interpersonal and influencing skills.
Adaptability to a fast-paced, ever-changing environment.

Working Arrangements

Hybrid working model, with an office base in Guildford, Surrey and access to our other offices in London, Swindon and Cheltenham.
Typical working week might involve 2-3 days working at clients’ premises or other locations and the remainder at home or at one of our offices.
Some projects may require up to 5 days per week on-site with colleagues.
The practicalities of some project work means that individuals may need to stay away from home during the working week
Team-based project environment with opportunities to participate in internal initiatives.

Career Development

You will have the opportunity to further your career in consulting, specialising in the application of information assurance and cyber security expertise to a wide range of business problems.

We provide substantial training leading to nationally recognised certifications, such as chartered or principal status with the UK Cyber Security Council, or certifications such as CompTIA, NIST, PCiIAA, CISMP, CISSP, CREST, ISO27001 Lead Implementer/Auditor, SABSA, and TOGAF.

A Mentor will be on hand to provide support and guidance throughout your journey with Actica. You will also work with a Performance and Development Manager, often outside of your project line of control, who wi

About the Company

We’re revolutionising tech hiring with hackajob intelligence - The AI-assisted hiring platform connecting leading tech employers with top talent, globally. Leveraging our unique large language model built from millions of platform data points, companies match with high-intent job seekers based on context and experience, not just keywords. Candidates privately explore highly relevant job offers by accepting or declining their interview requests - 90% respond within 24 hours. Powerful industry benchmarking, brand sentiment, ... Know more