Cyber Defence Operations Director

Arm Limited; Cambridge; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

A leading technology company in Cambridge is looking for a Senior Security Operations Lead to oversee global security strategies that protect against evolving threats. Responsibilities include managing incident response, fostering a high-performing team, and collaborating with key stakeholders to enhance security measures. Ideal candidates will have over a decade of relevant experience and strong communication skills. This role offers a hybrid work environment that prioritizes both performance and wellbeing.

Qualifications

• 10+ years in a security role focused on the entire threat lifecycle.
• Demonstrated experience in high-stress operational environments.
• Excellent communication skills for conveying complex security issues.

Responsibilities

• Own and deliver the strategic roadmap for cyber incident detection.
• Develop a high-performing team aligned with business objectives.
• Drive collaboration across departments to execute cyber strategies.

Skills

Security Operations strategies

Threat detection

Incident response

Vulnerability management

Leadership in operations

Education

BSc or higher in a security-related subject

Tools

ITIL

Job description

Job overview:

This is an opportunity to lead global Security Operations focused on safeguarding Arm’s digital environment through exemplary threat detection, incident response, and vulnerability management capabilities.

This senior role, reporting directly into the CISO is accountable for driving the strategic direction of Arm’s Detect & Response function, delivering outstanding performance and ensuring we are resilient against an evolving threat landscape! In addition to operations, you will lead cyber crisis management, C-Suite level stress testing, team development, and top-level cybersecurity thought leadership.

Responsibilities:

• Own and deliver the strategic roadmap for cyber incident and vulnerability detection & response in line with Arm’s threat profile and business objectives. You will guide and develop a high-performing team, driven with context of emerging threats and strategic objectives.
• Ensure Threat Intelligence, Proactive Security Testing and Security Analytics functions develop under your leadership to deliver maximum context into the operational team, as well as enabling real time risk validation and actionable security insights.
• Continue delivering automation and detection as code for security operations, enabling increased scalability and efficiency. Whilst maximising data insights and intelligence to inform operational and strategic decision making.
• Drive collaboration across Arm and external vendors as we embed a shared understanding to deliver our cyber strategies. Provide strategic input and collaborate with IT, Enterprise Security, and business leadership to inform security roadmaps, governance, and operating models.
• Maintain a balanced, comprehensive framework of processes, governance, and performance metrics (e.g., SLAs) for operations. Coordinate security testing, audit, governance, and operational reporting.
• Champion a culture of continuous learning, training, and professional development across the team, including handling wellbeing and performance for an agile, high-impact environment!
• Maintain awareness of internal and external technology development, particularly across emerging AI use, enabling continuous improvement and innovation.

Required skills and experience:

• 10+ years of experience in a security role focused on the entire threat lifecycle with demonstrated experience designing and implementing Security Operations strategies within a sophisticated enterprise and disparate technological landscape. Demonstrated leadership in high-stress, fast paced operational environments.
• Excellent communication skills and ability to convey complex security issues to senior leadership, including the executive committee. Deep understanding of enterprise security domains and how they can be used as a force multiplier for a technology business strategy, with the ability to influence at all levels.
• Extensive people management experience, fostering a culture focused on mentoring, wellbeing and trust.

“Nice to have” skills & experience:

BSc or higher or equivalent experience within a relevant security-related subject.

Certifications such as CISSP, GCIH, GIAC, GCFE, GREM, or SANS certifications. Solid grasp of ITIL and familiarity with project management methodologies.

Experience leading security transformation initiatives, as well as handling third-party vendors and external security partnerships for large scale organisations with a considerable global digital footprint.

Accommodations at Arm

At Arm, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email [e-mail]. To note, by sending us the requested information, you consent to its use by Arm to arrange for appropriate accommodations. All accommodation or adjustment requests will be treated with confidentiality, and information concerning these requests will only be disclosed as necessary to provide the accommodation. Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud, or office accessibility. Please email us about anything we can do to accommodate you during the recruitment process.

Hybrid Working at Arm

Arm’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility. Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs. Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.

Equal Opportunities at Arm

Arm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. We are a diverse organization of dedicated and innovative individuals, and don’t discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.