Cyber Security Ops. Specialist

Job Description

Recruiter: Krystle James

Career Grade: D

Internal Closing Date: 22/01/2026

Due to the sensitive nature of this role, you will be required to undergo DV (Developed Vetting) level Security Clearance (https://www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels). An allowance of £5k per annum may be payable monthly while you hold this DV and continue to work in a role that requires that level of security clearance. The terms of this allowance will be made available if you are successful in being recruited into this role.

Security isn’t always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are The Protectors. We deal with thousands of cyber-attacks every day, so that millions of people can safely go about their daily lives and run their businesses. We deliver vital work at scale, with real breadth and impact. We connect for good.
You'll be joining a specialist security team that is a trusted partner to governments worldwide, protecting critical national infrastructure and committed to the safety and security of our nation and global communities. Our mission focused work is innovative, inspiring and technologically challenging in a way that makes every day different and stimulating. We provide the opportunity to work on rare projects, with exciting tools and brilliant people. Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued.

Why this job matters

As a key element of critical national infrastructure, telecommunications operators are interwoven into a severe and relentless threat landscape. Dealing with the most advanced and harmful adversaries will be your daily routine.

Our unique and specialist team respond to bespoke analytical requirements. No two days are the same. We use the latest technology to conduct high-precision high-impact analysis which protects our customers, colleagues and the society we live in.

This job role is based in Ipswich. Onsite (5 days office based). Monday-Friday 37.5 hours per week. You will need to be eligible to obtain DV Security Clearance before starting this role. You will need to have lived in the UK for 10+ years to be eligible.

What you’ll be doing

As a Cyber Security Operations Specialist in Cyber Processing and Data Science, you will be doing:

• Data Analysis. Conduct comprehensive analysis of complex problems by planning, executing, and reporting on findings. Document the analytical process clearly, including research, planning, and execution stages. Leverage big data tools to query and integrate data from multiple sources. Develop and apply novel analytical tradecraft and a critical mindset to uncover insights.

• Report Writing. Produce clear, timely, and actionable reports based on analytical findings. Effectively communicate complex technical issues and limitations to both technical and non-technical audiences. Ensure clarity by distinguishing between facts and opinions. Adhere to all information handling policies and procedures.

• Technical leadership. Maintain subject matter expertise in your analytical or technical domain. Take the lead on complex analytical challenges and technical issues when appropriate. Collaborate and innovate with colleagues and stakeholders. Contribute to team growth by sharing knowledge, mentoring peers, and providing constructive feedback.

• Relationship building. Build and maintain strong relationships with analytical stakeholders to ensure a deep understanding of their analytical domain, requirements, and challenges. Engage regularly to assess the relevance and impact of your analysis.

Essential Skills

• Data Analysis
• Technical Reporting
• Security Assessment
• Threat Hunting
• Growth mindset

What we'd like to see on your CV

• Data Analysis. You will be skilled in using programming/scripting languages such as SQL, Python, Scala, R and bash. You may have used these skills to operate big data platforms and queried a diverse range of data types.

• Analytical Mindset. You will be skilled in using your analytical mindset to derive meaning from data, challenge assumptions, analyse competing hypothesis and assess alternative explanations. You may have used these skills in responding to an incident or investigating a complex problem.

• Networking. You will have knowledge of networking concepts such as ports and protocols, the OSI model, TCP/IP suite, routing, subnetting etc. You may have experience using packet analysis tools, intrusion detection systems, SIEM platforms and threat intelligence platforms.

• Cyber or related field. You will have applied your analytical skills in environments such as cyber security, signalling, digital forensics, or network administration. Your experience might include areas like threat hunting, incident response, malware analysis, digital forensics, communications data analysis or open-source intelligence (OSINT) research.

Benefits

• Competitive salary
• 10% on target bonus (Depending on country based)
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
• On-call allowance (Depending on role requirements)
• 25 days annual leave (not including bank holidays), increasing with service
• Huge range of flexible benefits including cycle to work, healthcare, season ticket loan
• World-class training and development opportunities
• From January 2025, equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.​
• Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.​
• 24/7 private virtual GP appointments for UK colleagues​
• 2 weeks paid carer’s leave ​
• World-class training and development opportunities​
• Option to join BT Shares Saving schemes.
• Discounted broadband, mobile and TV packages
• Access to 100’s of retail discounts including the BT shop

#LI-Onsite

Security is one of the fastest growing parts of our global organisation. We are protecting our networks from more than 6,500 cyber attacks each day, investing over £40m in research each year - and in employing nearly 3,000 people, we’re also the largest private cyber employer in the UK. With incredible opportunities to learn, develop and grow your skills, we’ll invest in you, nurture your potential and shape your future – whatever your background or experience.

In today’s world, safe and secure digital connections have never been more vital. You’ll be joining a global company operating at the forefront of the information age: BT employs 90,000 people in 180 countries. With huge scale, we’re capable of achieving great things, striving to be personal, simple, and brilliant for our customers whilst creating an inclusive working environment where people from all backgrounds can succeed. Play your part. Make a difference. We are the Protectors.

A FEW POINTS TO NOTE:

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.

DON'T MEET EVERY SINGLE REQUIREMENT?

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.