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8 months ago
Basic Salary: Depending on experience
Location: Slough
Job type: Permanent
Category: Sales Manager Jobs
O2 is the commercial brand of Telefonica UK Limited, a leading digital communications company owned by Telefonica S.A. With over 25 million customers across the UK, O2 is one of the world’s most innovative companies putting our customers at the heart of everything we do.

We are more than just a network. We open up the endless possibilities of technology, connecting our customers to the things that they love and exploring new ways to open up the world for them.

We are always on the lookout for great talent. Just like our customers, we offer our employees more. From a choice of benefits, rewards, training and ongoing career development there are many reasons to join O2.

About the Team:

About Business Operations

Business Operations is made up of a number of key functional areas all focused on providing a safe and secure environment in which our people and customers can operate. We deliver our services to both internal and external customers every day and we provide the infrastructure (exc. IT and Network) upon which the business operates.

About Technical Security

The Technical Security team help drive and deliver an integrated information security strategy aligned with market expectations and business needs in line with its risk profile. We help ensure that the level of security controls and related processes are commensurate with data protection requirements and in support of our vision to make every day better by personal experiences that count.

Your Role:

The primary purpose of this role is to deliver technical security consultancy, information security governance, and architectural support for the Smart Metering delivery programme. This will be done to ensure that the level of security control and related processes are aligned with the company’s data protection requirements and technology aspirations.


Smart Metering Security

* Develop and maintain a security architecture process that enables Telefonica to develop and implement Smart Metering security solutions and capabilities that are clearly aligned with business, technology and threat drivers.

* Develop the Smart Metering security strategy and roadmaps based on sound enterprise architecture practices and business priorities.

* Manage the assessment of gaps between the “As-Is” and “To-Be” Enterprise Security architectures and define transition strategies and roadmap for addressing them.

* Ensure Telefonica and Smart Metering core technology initiatives are designed and built with the correct levels of security and compliance.

* Act as the Smart Metering security liaison to IT, Networks and Change teams.

* Engage with business stakeholders to understand their propositions in order that business goals can be achieved securely or where necessary with full understanding of the risks involved.

* Track developments and changes in the digital business and threat environments to ensure that these are adequately addressed in Smart Metering security strategy plans and architecture, incorporating into Telefonica’s technology platforms.

* Review security technologies, tools and services, and make recommendations for their use based on security, financial and operational metrics – ensuring full alignment to Telefonica UK’s planned architecture.

* Prioritise workload with Smart Metering CISO and Programme Delivery Director to ensure priority workload is delivered.

* Ensure design and architectural documentation is maintained and supports TUK’s Smart Metering contractual obligations.

* Build and develop long term partnerships with external clients and internal stakeholders.

Security Consultancy & Governance Deliverables

* Ensuring that any project deliverables are completely aligned to ISO27001 and the broader range of certifications and security standards maintained

* Deliver Security Consultancy advice to ensure that all indentify threats can be managed appropriately or to minimise the likelihood of a threat being exploited.

* Setting technical security requirements and governance for new initiatives across the TUK roadmaps in accordance with the F&S Security by Design (SbD) and Telefónica Business requirements.

* To formulate the appropriate security testing and validation process which should implemented in line with the existing service or new initiative identify risk.

* Ensure all identified risks are managed through the effective operation of documented processes & controls.

* Where required deliver Vulnerability Management and threat analyses consultancy support

* Security assessment of new technologies and methodologies and their appropriateness to deliver the security level expected by the business.

Communicating and Building Relationships

* Building relationships and effective communications with the relevant business stakeholders, to support their business objectives.

* Security awareness of the security principle and best practises to internal customers, including F&S, to ensure that service designers deliver a minimum security foundation to build innovative and agile service on.

* To collaborate with the wider cross company security groups to share and learn new ways of thinking and delivering security effectively to the business.

Skills & experience:


* Extensive experience in delivery of security design, building and deployment of security infrastructures.

* Strong experience of security strategies and technologies with experience of defining security architectures and roadmaps within a large sized organisation.

* Strong implementation experience of a wide range of security products such as access audit tools, IDS, IPS, DLP, Firewalls, End Point security, encryption, proxies, DDOS protection, etc.

* Extensive hands-on security engineering experience of Operating Systems, Active Directory, Group Policy, Network Protocols, PKI, proxies, access management, etc.

* Experience of engaging with business stakeholders and helping them to understand their businesses security and risk profile.

* Experience of securing public and private cloud solutions plus understanding of emerging security technologies for mobile and cloud.

* Understanding of Identity, Federation and Authentication technologies e.g. SAML, OAUTH, etc. and cryptographic techniques and encryption services

* Good experience and technical understanding of Public and Private Cloud technologies such as AWS, Azure and VMware


Information Security Risk Management Techniques

* Proven technical leadership of IT Security in an enterprise organisation including managing and developing a team.

* Experience of engaging with business stakeholders and helping them to understand their businesses security and risk profile.

* Capable of working effectively and collaborating with other managed service providers with shared deliverables in Smart Metering ecosystem.

* Experience in using architecture methodologies such as TOGAF

Technical & Information Security

* Detailed practical knowledge of system related security issues and controls to minimise the risk and potential impacts

* Operating system security control

* Web & Mobile application security and E-Commerce

* Security architecture design principles

* Secure coding industry best practices

* Application and Network security assessment techniques

* Incident investigation and forensic techniques

* Intrusion detection and prevention techniques

* Firewalls & Network Security principle

* Authentication & Access control Technologies

* Fraud Risks and Mobile industry

* Security product evaluation and industry marketplace knowledge

* Detailed level of understanding of ISO 27001

* Detailed level of understanding of Data Privacy legislation

* Good level of understanding of TUK products and services, infrastructure and systems

* Degree education or qualifications in a relevant discipline or security related certification preferred i.e. CISSP, CISM, CISA,CIMSP

Salary and benefits:

We are looking to pay a competitive salary (depending on experience) for this position, and in addition we have some great benefits that could include a bonus, life cover, health care, holiday entitlement and lots of flexible benefits too.

Telefonica’s commitment to a great work-life balance allows us to consider flexible approaches to working. Like to know more? Feel free to raise it.

Joining Telefonica means opening up a world of freedom, support and possibility. A fascinating world where you’ll be able to think bigger, be bolder and try new things. And where there are endless opportunities to develop your career.

There’s so much to discover. Your adventure starts here.

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