Network Security Professional

BT Group; Birmingham; Hybrid; GBP 35,000 - 65,000

Job description

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Network Security Professional

Posting Date: 28 Mar 2025

Function: Infrastructure

Unit: Networks

Location: Snowhill, Birmingham, United Kingdom

Salary: Competitive with Excellent Benefits

Internal Closing Date: 14/04/25

(Our hybrid working model means you are expected to be in the Birmingham office 3 days per week)

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.

We’re a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

The role holder is part of the team responsible for the delivery and management of some of our most critical systems which underpin BT’s networks. Their everyday workload will ensure the ability of the company to provide services to our end customers, whilst managing any technology or security risks which may arise.

What you’ll be doing

• Designs and develops components of smaller and/or less complex projects in partnership with team, ensuring and documenting the quality of delivery.
• Supports the design and development of discreet solutions in line with wider architecture and security standards, demonstrating basic understanding of how solution impacts the wider Technology roadmap.
• Contributes technical and analytical knowledge where needed to support managers, principals or technical experts to resolve issues during projects.
• Identifies and solves routine problems with components designed, performs deep dive data analysis, potentially introducing new components or features to resolve issues.
• Conducts technical peer reviews within the organisation or with suppliers to ensure outputs align to quality standards and customer requirements.
• Responsible for those PCI tasks allocated to me as documented in the PCI Assurance Tool (PAT) for the application(s) I am engaged with.

The skills you'll need

• Understanding of DNS and DHCP protocols.
• Familiarity with DNS and DHCP platforms, such as Windows (Both AD and non AD) and ISC BIND/DHCP.
• Knowledge of TACACS protocol.
• Knowledge of RADIUS protocol.
• Knowledge of TACACS dictionary’s and how they relate to vendor devices.
• Experience supporting remote dedicated authentication services.
• Experience supporting large scale deployments of multi-tenant hosted authentication services.
• Experience of 802.1x Authentication (both wired and wireless).
• Experience of developing code for automation, reporting, auditing and administration.
• Understanding of IP address management and the processes used with BT.
• Experience with SPLUNK reporting tools.
• SQL Server support and SQL queries.
• Supporting enhanced radius encryption technologies (EAP-PEAP, EAP-TLS).
• Networking Protocols (IP/DHCP/DNS).

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.

Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.

BENEFITS:

• Annual On target bonus 10% (personal and company multipliers).
• BT Pension scheme; minimum 5% employee contribution, BT contribution 10%.
• Life Assurance.
• Exclusive colleague discounts on our latest and greatest BT broadband packages.
• 50% off EE mobile pay monthly or SIM only plans and 50% discount for friends and family on EE SIM only plans.
• My Discounts gives colleagues access to unbeatable savings on everyday purchases at hundreds of retailers.
• Discounted EE TV including TNT Sport and the NOW Entertainment membership.
• Great support for working parents including pay whilst on maternity, adoptive, and paternity leave.
• Option to join the Healthcare Cash Plan or other benefits such as dental insurance, gym memberships etc.
• 25 days annual leave (not including bank holidays), increasing with service with buy holiday option.
• Volunteering days so you can give back to your local community.
• Brand new electric vehicle salary sacrifice arrangement, known as ‘My EV’.