Network Security Engineer - Security Engineering

Location: Salford Quays, M5 3TT (Hybrid working)

Contract Type: Full Time


As a Network Security Engineer, you will build, maintain, and support key network security technologies and SaaS solutions. You will work to deliver a secure and stable network, ensuring our security tooling aligns with the wider Cloud Business Strategy and security requirements of the TalkTalk Group.

As part of the wider team, you will own the Security Engineering function, from implementation and rollout of new technology to supporting in the investigating, and following hardening, of security incidents. Acting as a Subject Matter Experts you will work with teams around the business to help guide the security of the Network while implementing new technologies and business changes. You will help ensure a cloud first, secure by design approach to everything delivered by the Enterprise Network and Security Team

The Team:

The Enterprise Network and Security Team are responsible for producing high level conceptual and low-level designs, delivering the build of those designs, and ensuring that solutions are supportable when transitioned into run support. The team applies functional knowledge and technical expertise to deliver and maintain systems which ensure that TalkTalk network remains secure and reliable against today’s threats. The team consists of technical experts in Technology and Security, who work as part of the wider Security business unit and align to the strategic objective of continuous improvement of NIST based Security Maturity.

How will I add value in this role?

  • Network and SaaS Security:

    -You will build and support network security and SaaS tooling ensure a stable and secure network.

    -Review and deliver on project requirements to ensure TalkTalk network and security standards are upheld.

    -Maintain equipment across the office, datacentres, and cloud, ensuring devices remain secure, patched, and fit for purpose.

    -You'll manage all Security Engineering assets ensuring everything is accounted for, in life and up to date and manage the end-to-end life cycle of Security Engineering Equipment.

  • Security Engineering BAU:

    -Manage the Security Engineering case queue, ensuring tickets are responded to and closed within SLA.

    - You will be accountable for work delivered, ensuring all work is in line with TalkTalk security and network standards.

    -You'll perform changes and upgrades to the security tooling in a stable and suitable manner, following change management processes and help to perform root cause analysis and problem management on Major Incidents and repeat tickets.

  • Communication:

    - Collaborate with teams across TalkTalk group on risks, improvements, best practices and better understand their challenges.

    -You will challenge colleagues on projects and tickets that do not meet our standards or could lead to security vulnerabilities or support issues.

    - Collaborate with Business Partners and Offshore partners to resolve incidents, validate and plan technical change and problem management, to ensure a high level of support to TalkTalk.

    - You'll interact and coordinate with peers, vendors, suppliers and consultants and work with incident, change and problem management teams as required.

  • Security Architecture:

    - You will contribute to the adoption of principles, patterns, standards, and guidelines that direct the selection, development, implementation, and use of technology within the team’s domain.

    -You'll work with management to create and maintain the technology roadmap for the technologies in use by Security Engineering, with consideration for future architecture direction requirements.

    - Understand and influence the return on investment and value gain from chosen technologies, by working in partnership with other business areas. Recognise improvement requirements and drive priorities forward – We commit, We challenge.

  • Technology:

    · A desire for continuous development of their own technical knowledge from the wider telecommunications and IT industry to ensure adoption of best practice and help to evolve the TalkTalk architecture strategy.

    · You will drive to ensure best practice and build on new and existing processes to ensure efficiency and resilience.

    To be successful you will need:

  • Clear experience of building, maintaining, and supporting network security tooling (3+ Years)

  • Knowledge and Experience of Multi Cloud networks and SAAS applications would be advantageous.

  • Understanding of security best practices and frameworks – NIST, CIS, CAF etc.

  • Able to understand and articulate high-level designs and detailed low-level documentation, and complex network diagrams.

  • Understand and demonstrate experience working with network security technology suites from various vendors (Fortinet, Juniper) and in technology specific areas (WAF, Web Gateways, PAM, PKI etc.)

  • Be familiar with asset management, monitoring, logging, backups, remote access, etc.

As a recognised Top 50 Inclusive Employer in the UK, we know that diversity means success and innovation. We want our workplace to reflect the communities and customer we serve. Being inclusive is part of our DNA; we are all 100% human, and we create a culture where you can truly be yourself.

We’re also not your usual 9-5. We are a dynamic workplace and we want to talk to you about how you like to work.


  • My Wellbeing

    We want you to feel good at work — and not just because you’re doing great things for our customers. We run lots of wellbeing initiatives throughout the year.

  • My Products

    We offer all of our people free TalkTalk Fibre, TV and Phone (you’ll be helping us make them what they are, so it’s only fair that you get to enjoy them).

  • My Flexibility

    We all lead different lives and like to work differently, so whether it's working from home or starting and finishing your day later, we’ll give you the flexibility you need to do your best work.

  • My Benefits

    Think company pension scheme, private medical insurance, income protection and life assurance, plus all sorts of other benefits designed to make your life easier.


Network Security Engineer - Security Engineering

Location: Salford Quays, M5 3TT

Contract Type: Full Time