Network Mgt Security Specialist

BT Plc.

Network Mgt Security Specialist

Salary Not Specified

BT Plc., Birmingham

  • Full time
  • Permanent
  • Onsite working

Posted 3 weeks ago, 28 Aug | Get your application in now before you miss out!

Closing date: Closing date not specified

job Ref: 1bc49a17a2c84330ad38208a6c8a11ed

Full Job Description

The Network Engineering Specialist undertakes engineering activities that contributes towards the delivery of client technical requirements, deploying optimal networking and connectivity solutions that enable clients and the enterprise to achieve their operational and business goals., 1. Undertakes routine daily activities and is accountable for system design, build, testing, validation, maintenance, and ongoing support of all network infrastructure components.
2. Undertakes the implementation of new and enhanced network technology that aligns to customers' strategic direction for enterprise and remote site connectivity.
3. Maintains standards for global network infrastructure, including wireless, LAN and SD-WAN networks and connectivity.
4. Manages the installation, testing, and setup of new network hardware both physical and virtual (firewalls, routers, switching, monitoring) hardware and software.
5. Executes engineering efforts to ensue currency and supportability of networking technology.
6. Participates in technology lifecycle planning, including contributing to the development of the technology roadmaps and Network Health Assessments.
7. Delivers the required documentation, knowledge transfer and training to successfully land new solutions into the support organisation.
8. Delivers support for clients with data protection and overarching cloud capabilities.
9. Drives the implementation of core and cloud infrastructure security to manage risks and exposure.
10. Provides support for problem escalations from the global network support organisation.
11. Drives impact with a range of customer, operational, project or service activities within the Network Engineering team and other related teams.
12. Mentors other Engineering professionals, helping to improve the team's abilities by acting as a technical resource.
13. Champions, continuously develops and shares with team knowledge on emerging trends and changes in Network Engineering., This role is fundamental to maintaining the BT Network Management Systems Security posture. As a business we need to be proactive in identifying security issues, highlight concerns and reduce risk. This works in tandem with our ability to react quickly and effectively when operations are threatened by issues outside of BT's risk appetite.

Ensuring the security of BT's complex architecture, applications and services in-line with the expectations of our customers is a prime objective of our business. Appraising the risk BT faces from the wider connected world this role assures the protection of BT Group's brands and reputation, supports improvements to our Security controls and helps maintain BT's critical business operations.

What you'll be doing

  • Document and implement an appropriate user Access Control Policy on the centralised authentication system for 21CN (RADIUS and TACACS AAA). This includes liaising with individual platform teams to understand their access requirements, and vendors, to produce an appropriate access design for each system. You will also be carrying out early integration testing of authentication functionality, and working with the SASM/CAMS design and support teams to help incorporate the resultant system access design into formal SASM/CAMS support.

  • Document and implement appropriate Citrix client access for users as part of each system's Access Control Policy design.

  • As part of a team, provide consultancy for and implement via Firewalls all interconnect relating to 21CN hosted systems, in both the model and production 21CN environments. This includes evaluating proposed interconnect against best practice, giving guidance to platform teams, including domain build and routing guidance, and clarifying where Telecom Security Act requirements may impact their system design.

  • Provide diagnostic support and general consultancy for any aspect of system interconnect, user access or authentication relating to 21CN hosted platforms, both model and production. This includes checking/analysing firewall rules and firewall log data, plus user authentication policy rules and logs.

  • Accountable for 21CN DCN Network security including the control and management of the 200+ network management systems now hosted/connected to 21CN DCN.

  • Accountable for the auditing and correction of 21CN user access provision.

  • Strong influence and collaboration with CIS and Technology Identity provisioning team, on the architecture, design, and delivery of the User access provisioning systems (CAMS & MUI).

    Troubleshooting

  • Escalation Management
    Issue Resolution
    Network Delivery
    Health & Safety
    Vendor Management
    Network Security
    Network Testing
    Network Configuration
    Technical Documentation
    Network Integration
    Network Implementation
    Network Design
    Incident Management
    Event Planning
    Decision Making
    Growth Mindset
    Inclusive Leadership

    Our leadership standards,
  • A very good understanding of BT Networks and the application of security controls within these environments. Ideally a good understanding of the 21CN DCN Network

  • Experience of connecting different technologies, networks, systems and applications both internally & externally

  • Access control Policy knowledge, design and understanding of roles and responsibilities in a technical role.

  • Understanding of complete End to End assessment of system security.

  • Technical background in large scale network & IT environments.

  • The ability to communicate technical requirements either verbally or written to a diverse group of customers with differing technical skill levels

  • Experience in technical decision making.


  • Nice to have:
  • Membership of a pertinent Security/technology professional body: To hold an external IT networks or security qualification (e.g. CISSP, CISM M.IISP, CRISC)

  • Demonstrable analytical skills to ensure technical risks are fully understood and mitigation solutions can be correctly identified and implemented at a system and local level as required.

  • Proven strong customer facing skills.

  • Efficient problem solver in enterprise environment.

    BT is part of BT Group, along with EE, Openreach, and Plusnet.


  • Millions of people rely on us every day to help them live their lives, power their businesses, and keep their public services running. We connect friends to family, clients to colleagues, people to possibilities. We keep the wheels of business spinning, and the emergency services responding.

    We value diversity and celebrate difference. 'We embed diversity and inclusion into everything that we do. It's fundamental to our purpose: we connect for good.'

    We all stick to the same values: Personal, Simple, and Brilliant. From day one, you'll get stuck in to tough challenges, pitch in with ideas, make things happen. But you won't be alone: we'll be there with help and support, learning and development.

    This is your chance to make a real difference to the world: to be part of the digital transformation of countless lives and businesses. Grab it.

    Looking in:
    Leading inclusively and Safely
    I inspire and build trust through self-awareness, honesty and integrity.
    Owning outcomes
    I take the right decisions that benefit the broader organisation.

    Looking out:
    Delivering for the customer
    I execute brilliantly on clear priorities that add value to our customers and the wider business.
    Commercially savvy
    I demonstrate strong commercial focus, bringing an external perspective to decision-making.

    Looking to the future:
    Growth mindset
    I experiment and identify opportunities for growth for both myself and the organisation.
    Building for the future
    I build diverse future-ready teams where all individuals can be at their best.