313 Security Specialist jobs in the United Kingdom

Cyber Specialist

6 Month Contract | Hybrid - Brighton (1x p/week) | (Apply online only)/day Inside IR35

Harvey Nash are working with a large Government Agency who are looking for multiple Cyber Security Specialists to support on an initial 6 month contract basis.

This is a crucial role following an extensive Cyber Security Audit, with plenty of work to support on. We're looking for well-rounded Cyber Specialists with proven expertise within the Microsoft Ecosystem, including Azure Sentinel & Active Directory.

Contract Details:

• Cyber Specialist
• 6 Months - extensions likely
• Hybrid - 1x per week in Brighton
• ASAP Start - as soon as Monday 13th October.
• (Apply online only)/day
• Inside IR35

Please note - you must be willing to undertake & pass a DBS Check for this role.

If you're interested in this position, please apply now for consideration.

• Design, implement, and manage network security infrastructure, including firewalls, VPNs, IDS/IPS, and web application firewalls (WAFs).
• Monitor network traffic for security breaches and suspicious activities, responding promptly to incidents.
• Conduct regular vulnerability assessments and penetration testing to identify and address security weaknesses.
• Develop and enforce security policies, standards, and procedures.
• Stay abreast of the latest cybersecurity threats, vulnerabilities, and mitigation techniques.
• Collaborate with network engineers and IT teams to ensure security is integrated into all network operations.
• Manage security-related incident response activities, including investigation, containment, and remediation.
• Develop and maintain security documentation, including network diagrams and operational procedures.
• Ensure compliance with relevant security regulations and industry best practices.
• Participate in security awareness training for staff.

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field, or equivalent practical experience.
• Minimum of 4 years of experience in network security engineering or a similar role.
• Strong understanding of network protocols, security architectures, and cybersecurity principles.
• Hands-on experience with security technologies such as firewalls (Palo Alto, Fortinet), IDS/IPS, SIEM, and endpoint security solutions.
• Experience with security frameworks and compliance standards (e.g., ISO 27001, NIST).
• Excellent analytical, problem-solving, and troubleshooting skills.
• Strong written and verbal communication skills.
• Ability to work independently and manage tasks effectively in a remote environment.
• Relevant security certifications such as CISSP, CEH, or Security+ are highly desirable.
• Experience with cloud security (AWS, Azure) is a plus.

Make The Connection.

Vix Technology, a global leader in automatic fare collection, transit information, and transit analytics solutions, is seeking a highly skilled and experienced Cloud Engineer. With a presence in over 200 city and regional transport authorities worldwide, Vix has been at the forefront of transforming fare collection for more than 35 years. At Vix, we are committed to solving problems and delivering innovative solutions that are revolutionizing the world of public transit.

We're on the hunt for a motivated, engaged Cyber Security Specialist to support, maintain and improve/contribute to the management of real time security operations, including real time analysis and ongoing security management across Vix’s application suite. This opportunity will suit someone with similarly aligned experience, working closely with our Platforms and Engineering streams, with excellent collaboration and communications skills. This role is based in our Manchester office, where we prioritise in-person collaboration and teamwork. The role is on-site, Monday to Friday.

We regret that this position is only available for UK citizens/Residents with indefinite leave to remain in the UK, with current full time work rights for the United Kingdom, currently residing in the UK. This position will be located in Manchester, UK.

Requirements

What will you be responsible for?

• Management of vulnerabilities
• Analysis and development of security requirements, including their design and implementation
• Conduct forensic analysis and post-mortem reviews of security incidents
• Assist in the security certification and accreditation processes
• Engagements in engineering activities
• Enhance consistency and transparency in IT Security risk management efforts
• Respond to inquiries from internal and external audits and assessments
• Raise awareness regarding relevant regulatory standards, upstream risks, and industry best practices
• Inform our security engineers about emerging vulnerabilities and threats that need attention in our environments, advising on the appropriate prioritization for remediation.
• Facilitate and execute scanning procedures and utilize various tools
• Continuously analyze CI vulnerability data
• Forge strong partnerships with engineers to ensure a supportive platform for achieving our security objectives
• Engage with Vix Customers to provide guidance on security-related issues

What does our ideal candidate look like?

• Willing and available to work on-site in our Manchester offices, Monday to Friday, full time.

• Relevant certifications/qualifications and/or significant commercial experience within the cybersecurity discipline
• In-depth knowledge and technical proficiency in operational delivery within complex, dispersed on and off-prem infrastructure, including cloud and embedded systems
• Interest and ability to impart knowledge, support and mentor the whole business in the cybersecurity space, including knowledge transfer, best practice and ongoing training and support
• Pragmatic and personable, with great communication skills and ability to build rapport quickly.

Benefits

What’s in it for you?

Besides the opportunity to work for a global company that is customer and people focused, we offer:

• A focus on learning and development
• A great team of like-minded professionals
• Private Healthcare
• Income Protection Scheme
• Pension
• Group Life Assurance
• Cycle to Work Scheme
• Electric Car Benefit Scheme
• Employee Assistance Programme
• Eyecare and Spectacle Vouchers

Sounds good? Then apply now. Get on board today!

Add your resume and anything else to showcase why you would be a great addition to our team. We regret that this position is only available for UK&I citizens/Residents with indefinite leave to remain in the UK&I, with current full time work rights for the United Kingdom, currently residing in the UK.

No recruitment agencies, please! We won’t accept any introductions.

Vix Technology is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. We are committed to the principle of equal employment opportunity for all people and want to build a workforce as diverse as the community we serve. We aim to have a work environment where everyone feels included and everyone can realise their full potential.

Join us at Gallagher Re, the trailblazers of the reinsurance world, where every day brings new opportunities to shape the future. We empower our clients with cutting-edge analytics and insights, providing them the confidence to make strategic decisions that transform industries. As a team member, you'll be at the forefront of innovation, translating data into impactful solutions and taking the reins of your career like never before.

We believe that every candidate brings something special to the table, including you! So, even if you feel that you’re close but not an exact match, we encourage you to apply.

We are recruiting a Senior Market Security Specialist on a 12-month Fixed Term Contract to join our team in Ipswich! 

The successful candidate will provide operational and analytical support to the dynamic Market Security Team. The role will be pivotal in supporting and developing key team business initiatives across Gallagher Re.

Market Security is focused on establishing confidence that the reinsurers Gallagher Re trade with represent robust and appropriate financial security for our clients. The team undertakes a combination of risk assessment, due diligence, ongoing monitoring and suitable risk mitigation strategies to support this.

Core Market Security activities include:

• Managing data quality within our technology platform which houses a broad range of financial and non-financial data on reinsurance counterparties.
• Employing minimum credit rating thresholds and conducting independent counterparty analysis.
• Providing data and information to colleagues to support clients in understanding and monitoring their reinsurance counterparties.
• Monitoring, understanding, and interpreting the actions taken by the global credit rating agencies.
• Administering the use of non-approved markets in accordance with internal policy and procedures.

Within this role you will support key business initiatives dedicated to operational efficiencies, high quality analysis and data reliability. Suitable training will be provided where appropriate.

It is an excellent opportunity to collaborate with senior team members and contribute to Gallagher Re Market Security growth.

Responsibilities include:

• Contribute to accomplishing the team’s strategic objectives, ensuring and, where applicable, identifying and advancing operational efficiency.
• Providing counterparty credit analytical expertise to support the global business.
• Act as a key support in implementing the team’s key risk controls surrounding non-approved markets.
• Join the analytical team as a valued member, responding promptly and professionally to important client needs.
• Proactively build and maintain relationships with various collaborators, including senior management at Gallagher and important contacts within the industry.

• A strong analytical and numerical mindset.
• Excellent interpersonal, organisational and communication skills.
• Excellent English skills, with track record of successful verbal and written communication.
• Previous experience in analysing financial documents and crafting well-written reports.
• An understanding of key accounting concepts and a proven foundation in the fundamentals of financial statements.
• Strong attention to detail.
• Proficiency and passion for developing and sustaining relationships with a wide array of individuals.
• Developed Excel skills.
• Professional qualification (desirable but not essential).
• Eligible to work in the UK

On top of a competitive salary, great teams and exciting career opportunities, we also offer a wide range of benefits.

Below are the minimum core benefits you’ll get, depending on your job level these benefits may improve:

• Minimum of 25 days holiday, plus bank holidays, and the option to ‘buy’ extra days
• Defined contribution pension scheme, which Gallagher will also contribute to
• Life insurance, which will pay 4x your basic annual salary, which you can top-up to 10x
• Income protection, we’ll cover up to 50% of your annual income, with options to top up
• Health cash plan or Private medical insurance

Other benefits include:

• Three fully paid volunteering days per year
• Employee Stock Purchase plan, offering company shares at a discount
• Share incentive plan, HMRC approved, tax effective, stock purchase plan
• Critical illness cover
• Discounted gym membership, with over 3,000 gyms nationally
• Season ticket loan
• Access to a discounted voucher portal to save money on your weekly shop or next big purchase
• Emergency back-up family care
• And many more…

We value inclusion and diversity

Inclusion and diversity (I&D) is a core part of our business, and it’s embedded into the fabric of our organisation. For more than 95 years, Gallagher has led with a commitment to sustainability and to support the communities where we live and work.

Gallagher embraces our employees’ diverse identities, experiences and talents, allowing us to better serve our clients and communities. We see inclusion as a conscious commitment and diversity as a vital strength. By embracing diversity in all its forms, we live out The Gallagher Way to its fullest.

Gallagher is Disability Confident Committed. We have pledged to make sure our recruitment process is inclusive and accessible, in addition to supporting our existing employees with any long-term health conditions or disabilities.

We understand that applicants may have disabilities, if you do, you may find some parts of the recruitment process more challenging than others. Don’t worry, we’re here to help, however, we can only do this if you let us know.

Should you require reasonable adjustments to your application, please get in touch with . If you’d prefer to speak on the phone, please request a call back, leaving details, so we get in touch.

Our employing entity, Arthur J. Gallagher Services (UK) Limited, is proud to be accredited as a Living Wage employer with the Living Wage Foundation. We are committed to diversity and opportunity for all and are opposed to any form of less favourable treatment on the grounds of gender or gender identity, marital status, civil partnership status, parental status, race, ethnicity, colour, nationality, disability, sexual orientation, religion/ belief, age and those with caring responsibilities.

Gallagher believes that all persons are entitled to equal employment opportunity and prohibits any form of discrimination by its managers, employees, vendors or customers based on race, color, religion, creed, gender (including pregnancy status), sexual orientation, gender identity (which includes transgender and other gender non-conforming individuals), gender expression, hair expression, marital status, parental status, age, national origin, ancestry, disability, medical condition, genetic information, veteran or military status, citizenship status, or any other characteristic protected (herein referred to as “protected characteristics”) by applicable federal, state, or local laws.

Equal employment opportunity will be extended in all aspects of the employer-employee relationship, including, but not limited to, recruitment, hiring, training, promotion, transfer, demotion, compensation, benefits, layoff, and termination. In addition, Gallagher will make reasonable accommodations to known physical or mental limitations of an otherwise qualified person with a disability, unless the accommodation would impose an undue hardship on the operation of our business.

Join us at Gallagher Re, the trailblazers of the reinsurance world, where every day brings new opportunities to shape the future. We empower our clients with cutting-edge analytics and insights, providing them the confidence to make strategic decisions that transform industries. As a team member, you'll be at the forefront of innovation, translating data into impactful solutions and taking the reins of your career like never before.

We believe that every candidate brings something special to the table, including you! So, even if you feel that you’re close but not an exact match, we encourage you to apply.

We are recruiting a Senior Market Security Specialist to join our team in Ipswich!

As a Senior Market Security Specialist, you will provide core operational and analytical support to the dynamic Gallagher Re Market Security Team. The role will be pivotal in supporting and developing key team business initiatives across Gallagher Re.

Market Security is passionate about establishing confidence that the reinsurers Gallagher Re trade with represent robust and appropriate financial security for our clients. The team undertakes a combination of risk assessment, due diligence, ongoing monitoring and suitable risk mitigation strategies to support this.

Core Market Security activities include:

• Managing data quality within our technology platform which houses a broad range of financial and non-financial data on reinsurance counterparties.
• Employing minimum credit rating thresholds and conducting independent counterparty analysis.
• Providing data and information to colleagues to support clients in understanding and monitoring their reinsurance counterparties.
• Monitoring, understanding, and interpreting the actions taken by the global credit rating agencies.
• Administering the use of non-approved markets in accordance with internal policy and procedures.

The successful candidate will support key business initiatives focused on operational efficiencies, high quality analysis and data reliability. Suitable training will be provided where appropriate.

The role is a fantastic development opportunity to work closely with senior stakeholders and provide valuable contribution to the continued development of the Gallagher Re Market Security function.

Responsibilities include:

• Contribute to executing the team’s strategic objectives ensuring and, where appropriate identifying and driving forward, operational efficiency.
• Providing counterparty credit analytical expertise to support the global business.
• Act as a key support in implementing the team’s key risk controls surrounding non-approved markets.
• Become a fundamental and trusted member of the analytical team, responding to key stakeholder requests in an efficient and highly professional manner.
• Be proactive in building and maintaining relationships with a range of stakeholders, including Gallagher senior management and key contacts from within the industry.

• A strong analytical and numerical mindset.
• Excellent interpersonal, organisational and communication skills.
• Excellent English skills, with track record of successful verbal and written communication.
• Prior experience of analysing financial statements and producing high quality written reports.
• An understanding of key accounting concepts and a proven foundation in the fundamentals of financial statements.
• Strong attention to detail.
• The ability and desire to build and manage relationships with a range of stakeholders.
• Developed Excel skills.
• Professional qualification (desirable but not essential).
• Eligible to work in the UK.

On top of a competitive salary, great teams and exciting career opportunities, we also offer a wide range of benefits.

Below are the minimum core benefits you’ll get, depending on your job level these benefits may improve:

• Minimum of 25 days holiday, plus bank holidays, and the option to ‘buy’ extra days
• Defined contribution pension scheme, which Gallagher will also contribute to
• Life insurance, which will pay 4x your basic annual salary, which you can top-up to 10x
• Income protection, we’ll cover up to 50% of your annual income, with options to top up
• Health cash plan or Private medical insurance

Other benefits include:

• Three fully paid volunteering days per year
• Employee Stock Purchase plan, offering company shares at a discount
• Share incentive plan, HMRC approved, tax effective, stock purchase plan
• Critical illness cover
• Discounted gym membership, with over 3,000 gyms nationally
• Season ticket loan
• Access to a discounted voucher portal to save money on your weekly shop or next big purchase
• Emergency back-up family care
• And many more…

We value inclusion and diversity

Inclusion and diversity (I&D) is a core part of our business, and it’s embedded into the fabric of our organisation. For more than 95 years, Gallagher has led with a commitment to sustainability and to support the communities where we live and work.

Gallagher embraces our employees’ diverse identities, experiences and talents, allowing us to better serve our clients and communities. We see inclusion as a conscious commitment and diversity as a vital strength. By embracing diversity in all its forms, we live out The Gallagher Way to its fullest.

Gallagher is Disability Confident Committed. We have pledged to make sure our recruitment process is inclusive and accessible, in addition to supporting our existing employees with any long-term health conditions or disabilities.

We understand that applicants may have disabilities, if you do, you may find some parts of the recruitment process more challenging than others. Don’t worry, we’re here to help, however, we can only do this if you let us know.

Should you require reasonable adjustments to your application, please get in touch with . If you’d prefer to speak on the phone, please request a call back, leaving details, so we get in touch.

Our employing entity, Arthur J. Gallagher Services (UK) Limited, is proud to be accredited as a Living Wage employer with the Living Wage Foundation. We are committed to diversity and opportunity for all and are opposed to any form of less favourable treatment on the grounds of gender or gender identity, marital status, civil partnership status, parental status, race, ethnicity, colour, nationality, disability, sexual orientation, religion/ belief, age and those with caring responsibilities.

Gallagher believes that all persons are entitled to equal employment opportunity and prohibits any form of discrimination by its managers, employees, vendors or customers based on race, color, religion, creed, gender (including pregnancy status), sexual orientation, gender identity (which includes transgender and other gender non-conforming individuals), gender expression, hair expression, marital status, parental status, age, national origin, ancestry, disability, medical condition, genetic information, veteran or military status, citizenship status, or any other characteristic protected (herein referred to as “protected characteristics”) by applicable federal, state, or local laws.

Equal employment opportunity will be extended in all aspects of the employer-employee relationship, including, but not limited to, recruitment, hiring, training, promotion, transfer, demotion, compensation, benefits, layoff, and termination. In addition, Gallagher will make reasonable accommodations to known physical or mental limitations of an otherwise qualified person with a disability, unless the accommodation would impose an undue hardship on the operation of our business.

RT Consulting is a Silver ERS Armed Forces Covenant SME with over 15 years’ experience delivering transformation across Defence, Government, Policing, and Transport. We are expanding our consultant network to support a major Defence framework in partnership with Amentum.

Our consultants work on some of the UK’s most complex and high-profile programmes, providing the structure, insight, and governance needed for successful delivery.

The Opportunity

We are seeking an experienced Safety and Security Specialist  to support our largest Defence portfolio to provide support in developing and implementing safety and security strategies, ensuring compliance with requirements, strengthening governance and embedding best practice across health, safety and security functions.

Key Responsibilities

• Lead the development and implementation of portfolio-wide safety and security strategies in line with organisational requirements.
li>Review, improve, and standardise Health & Safety policies, processes, and performance monitoring frameworks.
• Deliver training programmes, safety-first initiatives, and behavioural change campaigns to embed a strong safety culture.
• Establish consistent site safety audit procedures, driving compliance and continuous improvement.
• Design and implement the Security Strategy covering personnel, physical, IT, and document security.
• Act as key liaison with the Security Team and Digital Team, streamlining processes and strengthening governance.
• Develop enclaving strategies for construction sites, including access control, material handling, and security resourcing.

Qualifications & Experience

• Proven experience in Safety and Security within Defence, Government, or other complex programmes.
• Navy experience is desirable
• Must hold active SC Clearance and be a UK Sole National

Contract Details

Duration: 12 months
• Location: Remote with travel to Clyde for site based engagement with stakeholders
• Start Date: October 2025