Boundary Managed Service Lead - DV Cleared

Salary: £35,000 - 75,000 per year

Requirements:

• Background in boundary security or network security experience.
• Experience managing boundary security operations or managed security services.
• Strong background in defence, aerospace or government security programmes.
• Demonstrated expertise with boundary security technologies, including firewalls, IDS/IPS and DDoS protection.
• Track record of managing security operations teams and delivering managed services.
• Expert-level knowledge of firewall technologies, intrusion detection/prevention systems and DDoS mitigation.
• Strong understanding of network security architecture and boundary security design.
• Proficiency in security incident investigation and threat analysis.
• Knowledge of security event management, SIEM and log analysis.
• Understanding of vulnerability assessment and remediation processes.
• Familiarity with MOD security requirements, Classification Guides and defence standards.
• Knowledge of managed service delivery models and SLA management.
• Exceptional leadership and team management capabilities.
• Outstanding customer engagement and communication skills.
• Strong decision-making under pressure, particularly in security incidents.
• Detail-oriented with a strong focus on SLA compliance.
• Commitment to security excellence and continuous improvement.

Responsibilities:

• Oversee end-to-end boundary managed service delivery, including design, implementation and operations.
• Manage boundary security SLAs, ensuring full compliance with availability, performance and security targets.
• Lead the boundary security operations team, ensuring round-the-clock monitoring and threat detection.
• Manage boundary service P&L and resource allocation across multiple customer accounts.
• Establish and maintain boundary service quality standards and operational procedures.
• Design and implement boundary security architectures, including firewalls, intrusion detection/prevention and DDoS protection.
• Architect boundary security solutions aligned with MOD security requirements and defence standards.
• Design boundary traffic inspection, content filtering and advanced threat protection.
• Lead boundary security assessments and vulnerability remediation.
• Implement MOD-compliant boundary configurations and security baselines.
• Lead boundary security incident detection, investigation and response.
• Manage security alerts, anomaly investigation and threat escalation.
• Coordinate incident response across the boundary security team and customer security teams.
• Conduct post-incident reviews and implement preventative measures.
• Maintain security event logs and provide compliance reporting to MOD.
• Evaluate and implement boundary security technologies and tools.
• Design automation and orchestration for boundary security operations.
• Lead service improvements and operational efficiency initiatives.
• Manage technology refresh and boundary appliance upgrades.
• Develop and implement boundary security monitoring and reporting dashboards.
• Lead and develop boundary security operations teams.
• Manage customer relationships and provide executive-level reporting on boundary security posture.
• Conduct customer reviews and communicate security recommendations.
• Identify service expansion opportunities and support account growth.
• Ensure boundary services maintain compliance with MOD security standards and regulatory requirements.
• Implement and maintain security event logging and audit capabilities.
• Support security compliance assessments and third-party audits.
• Manage personnel vetting compliance for the boundary security team.

Technologies:

• Architect
• Firewall
• Support
• Network
• Security
• Incident Management

More:

We are DXC Technology, and we are committed to building diverse, inclusive teams. We welcome applications from all backgrounds and particularly encourage interest from women, underrepresented groups and neurodivergent candidates. We offer reasonable adjustments throughout the hiring process and are dedicated to creating a supportive, accessible environment for everyone. This is an onsite role in Farnborough, five days per week, supporting highly secure defence-related work that requires DV clearance.

last updated 31 week of 2026