Brennan. Where true performance thrives.

At Brennan, we believe that how technology is delivered is every bit as important as what the technology is. We focus on creating real and relevant value for customers with solutions that fit their specific needs and always reflect their true interests.

It’s a claim backed by our True Performance System – a way of working engineered to get us closer, and deliver better, for our customers and their actual experience of technology.

Why join Brennan
True performance for our customers starts with a true belief in our people.
It’s why we’ve structured our business to help our teams, and their talents, shine bright. It's why we’ve created a workplace where people of all backgrounds, beliefs and experiences are welcomed and empowered. And it’s why we’ve built an organisation where real innovation makes a genuine impact and generates true rewards for our team members.

True rewards

In addition to competitive remuneration, Brennan offers extensive benefits, including:

• Training and certification bonuses
• Culture Awards that recognise excellence
• Brennan Daredevils – our annual, all-expenses paid trip awarded to our top performers and outstanding contributors
• Vibrant, fun social activities
• Discounted hardware and software
• An environment that embraces learning and development

The Role:

• Act as the key interface between clients and Brennan’s Security Engineering teams, translating business requirements into actionable technical outcomes that enhance security posture.
• Focus on advisory, planning, and enablement activities, ensuring our customers’ security programs are aligned with both best practices and Brennan’s managed service capabilities.
• Consultative role that leverages strong communication, analytical thinking, and technical literacy across cybersecurity platforms to drive clarity, trust, and value for our customers.

Role Responsibilities:

Client Advisory and Relationship Management

• Serve as the primary security liaison between clients and Brennan’s internal Security Operations and Engineering teams.
• Conduct stakeholder workshops, maturity assessments, and roadmap sessions to understand business objectives and security priorities.
• Translate complex technical issues into clear business insights and actionable recommendations.
• Communicate incident summaries, project outcomes, and security strategies to technical and executive stakeholders.
• Support customer awareness of evolving threats, risks, and mitigation strategies relevant to their environment.

Security Operations Consultancy

• Advise on operational best practices across Endpoint, Email, Identity, and SIEM/SOAR services, aligning with frameworks such as NIST CSF, ISO 27001, and the Essential 8.
• Coordinate with engineering teams to ensure effective implementation of customer requirements and continuous improvement of controls.
• Develop and present uplift plans, service improvement recommendations, and security health reports.
• Support incident response coordination, ensuring timely communication, stakeholder alignment, and appropriate escalation.
• Contribute to the evolution of Brennan’s service offerings through feedback, insights, and customer advocacy.

Governance, Process, and Continuous Improvement

• Document security recommendations, risk registers, and operational playbooks for customers.
• Identify process improvements that enhance detection, response, and reporting capabilities.
• Maintain awareness of emerging threats, technologies, and compliance obligations affecting managed environments.
• Participate in post-incident reviews and security posture workshops to identify lessons learned and areas for uplift.

Key Competencies and Qualifications Required:

• 5+ years' proven client facing experience in Security Operations.
• Excellent communication and stakeholder engagement skills — able to build trust and credibility with both technical and business audiences.
• Strong understanding of core SecOps technologies (EDR/XDR, Email Security, IAM, SIEM/SOAR) and how they integrate in managed environments.
• Analytical and consultative approach to problem-solving, with the ability to connect operational data to business context.
• Clear and structured written communication for reporting, recommendations, and presentations.
• Ability to balance multiple client engagements while maintaining consistency and quality in delivery.
• Experience in incident response, vulnerability management, or cyber maturity uplift programs will be highly valued.
• Hands-on understanding of technologies such as:
  
  • Endpoint Security: SentinelOne, CrowdStrike, Defender for Endpoint, Trend Vision One, or Sophos.
  • Email Security: Mimecast, Proofpoint, or Microsoft Exchange Online Protection.
  • Identity & Access Management: Microsoft Entra ID, Conditional Access, MFA, Privileged Access.
  • SIEM/SOAR: Microsoft Sentinel, Securonix, or equivalent.

Brennan is an equal opportunity employer.